diff --git a/snippets/accumulate.md b/snippets/accumulate.md
index 6cf46968c..35035db9b 100644
--- a/snippets/accumulate.md
+++ b/snippets/accumulate.md
@@ -1,10 +1,10 @@
 ---
 title: Partial sum array
-tags: math
+type: snippet
+tags: [math]
 author: chalarangelo
 cover: river-house-lights
-firstSeen: 2020-05-04T12:20:46+03:00
-lastUpdated: 2022-01-30T13:10:13+02:00
+dateModified: 2022-01-30T13:10:13+02:00
 ---
 
 Creates an array of partial sums.
diff --git a/snippets/add-class.md b/snippets/add-class.md
index 6b0ec1234..b96d07caa 100644
--- a/snippets/add-class.md
+++ b/snippets/add-class.md
@@ -1,10 +1,10 @@
 ---
 title: Add class to HTML element
-tags: browser
+type: snippet
+tags: [browser]
 author: chalarangelo
 cover: budapest-palace
-firstSeen: 2020-12-30T19:21:15+02:00
-lastUpdated: 2020-12-30T19:21:15+02:00
+dateModified: 2020-12-30T19:21:15+02:00
 ---
 
 Adds a class to an HTML element.
diff --git a/snippets/add-days-to-date.md b/snippets/add-days-to-date.md
index 0f5a655d7..156036690 100644
--- a/snippets/add-days-to-date.md
+++ b/snippets/add-days-to-date.md
@@ -1,9 +1,9 @@
 ---
 title: Add days to date
-tags: date
+type: snippet
+tags: [date]
 cover: digital-nomad-12
-firstSeen: 2020-10-12T03:03:18+03:00
-lastUpdated: 2020-11-28T19:18:29+02:00
+dateModified: 2020-11-28T19:18:29+02:00
 ---
 
 Calculates the date of `n` days from the given date, returning its string representation.
diff --git a/snippets/add-event-listener-all.md b/snippets/add-event-listener-all.md
index ab85f52fe..26d714a62 100644
--- a/snippets/add-event-listener-all.md
+++ b/snippets/add-event-listener-all.md
@@ -1,10 +1,10 @@
 ---
 title: Add event listener to all targets
-tags: browser,event
+type: snippet
+tags: [browser,event]
 author: chalarangelo
 cover: red-mountain
-firstSeen: 2021-04-22T08:53:29+03:00
-lastUpdated: 2021-04-22T08:53:29+03:00
+dateModified: 2021-04-22T08:53:29+03:00
 ---
 
 Attaches an event listener to all the provided targets.
diff --git a/snippets/add-minutes-to-date.md b/snippets/add-minutes-to-date.md
index 7189cc8bb..fd323cd94 100644
--- a/snippets/add-minutes-to-date.md
+++ b/snippets/add-minutes-to-date.md
@@ -1,9 +1,9 @@
 ---
 title: Add minutes to date
-tags: date
+type: snippet
+tags: [date]
 cover: lake-trees
-firstSeen: 2020-11-28T19:27:46+02:00
-lastUpdated: 2020-11-28T19:27:46+02:00
+dateModified: 2020-11-28T19:27:46+02:00
 ---
 
 Calculates the date of `n` minutes from the given date, returning its string representation.
diff --git a/snippets/add-multiple-events.md b/snippets/add-multiple-events.md
index c60e6d893..5de00a0d4 100644
--- a/snippets/add-multiple-events.md
+++ b/snippets/add-multiple-events.md
@@ -1,9 +1,9 @@
 ---
 title: Add multiple listeners
-tags: browser,event
+type: snippet
+tags: [browser,event]
 cover: balloons
-firstSeen: 2020-10-08T00:40:30+03:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Adds multiple event listeners with the same handler to an element.
diff --git a/snippets/add-styles.md b/snippets/add-styles.md
index 560b51355..c6940203e 100644
--- a/snippets/add-styles.md
+++ b/snippets/add-styles.md
@@ -1,10 +1,10 @@
 ---
 title: Add styles to HTML element
-tags: browser
+type: snippet
+tags: [browser]
 author: chalarangelo
 cover: digital-nomad-14
-firstSeen: 2021-01-07T00:37:43+02:00
-lastUpdated: 2021-01-07T00:37:43+02:00
+dateModified: 2021-01-07T00:37:43+02:00
 ---
 
 Adds the provided styles to the given HTML element.
diff --git a/snippets/add-week-days.md b/snippets/add-week-days.md
index a6a881923..18f0e02e3 100644
--- a/snippets/add-week-days.md
+++ b/snippets/add-week-days.md
@@ -1,9 +1,9 @@
 ---
 title: Add weekdays to date
-tags: date
+type: snippet
+tags: [date]
 cover: digital-nomad-9
-firstSeen: 2020-10-11T16:51:39+03:00
-lastUpdated: 2021-01-08T00:23:44+02:00
+dateModified: 2021-01-08T00:23:44+02:00
 ---
 
 Calculates the date after adding the given number of business days.
diff --git a/snippets/all-equal-by.md b/snippets/all-equal-by.md
index 1166afdd7..092c25d23 100644
--- a/snippets/all-equal-by.md
+++ b/snippets/all-equal-by.md
@@ -1,9 +1,9 @@
 ---
 title: Check if array elements are equal based on function
-tags: array
+type: snippet
+tags: [array]
 cover: orange-coffee-2
-firstSeen: 2020-10-19T22:14:49+03:00
-lastUpdated: 2020-10-19T22:14:49+03:00
+dateModified: 2020-10-19T22:14:49+03:00
 ---
 
 Checks if all elements in an array are equal, based on the provided mapping function.
diff --git a/snippets/all-equal.md b/snippets/all-equal.md
index 8ec8011f8..9867d0455 100644
--- a/snippets/all-equal.md
+++ b/snippets/all-equal.md
@@ -1,9 +1,9 @@
 ---
 title: Check if array elements are equal
-tags: array
+type: snippet
+tags: [array]
 cover: shelf-plant
-firstSeen: 2018-08-03T00:03:08+03:00
-lastUpdated: 2020-10-18T20:24:28+03:00
+dateModified: 2020-10-18T20:24:28+03:00
 ---
 
 Checks if all elements in an array are equal.
diff --git a/snippets/all-unique-by.md b/snippets/all-unique-by.md
index 3e63cdbc1..8de787ebd 100644
--- a/snippets/all-unique-by.md
+++ b/snippets/all-unique-by.md
@@ -1,9 +1,9 @@
 ---
 title: Check if all array elements are unique based on function
-tags: array
+type: snippet
+tags: [array]
 cover: digital-nomad-10
-firstSeen: 2020-10-19T22:15:05+03:00
-lastUpdated: 2021-01-08T00:23:44+02:00
+dateModified: 2021-01-08T00:23:44+02:00
 ---
 
 Checks if all elements in an array are unique, based on the provided mapping function.
diff --git a/snippets/all-unique.md b/snippets/all-unique.md
index 70c1af1cc..311a96535 100644
--- a/snippets/all-unique.md
+++ b/snippets/all-unique.md
@@ -1,9 +1,9 @@
 ---
 title: Check if all array elements are unique
-tags: array
+type: snippet
+tags: [array]
 cover: jars-on-shelf
-firstSeen: 2020-10-19T19:47:26+03:00
-lastUpdated: 2021-01-08T00:23:44+02:00
+dateModified: 2021-01-08T00:23:44+02:00
 ---
 
 Checks if all elements in an array are unique.
diff --git a/snippets/all.md b/snippets/all.md
index e4f76162b..c51985517 100644
--- a/snippets/all.md
+++ b/snippets/all.md
@@ -1,9 +1,9 @@
 ---
 title: Test if all array elements are truthy
-tags: array
+type: snippet
+tags: [array]
 cover: touch-flower
-firstSeen: 2018-02-14T11:46:15+02:00
-lastUpdated: 2020-10-18T20:24:28+03:00
+dateModified: 2020-10-18T20:24:28+03:00
 ---
 
 Checks if the provided predicate function returns `true` for all elements in a collection.
diff --git a/snippets/alphabetical.md b/snippets/alphabetical.md
index 6932d6e66..ec219c550 100644
--- a/snippets/alphabetical.md
+++ b/snippets/alphabetical.md
@@ -1,9 +1,10 @@
 ---
 title: Sort array alphabetically
-tags: array
+type: snippet
+tags: [array]
 author: chalarangelo
 cover: boutique-home-office-1
-firstSeen: 2023-02-15T05:00:00-04:00
+dateModified: 2023-02-15T05:00:00-04:00
 ---
 
 Sorts an array of objects alphabetically based on a given property.
diff --git a/snippets/and.md b/snippets/and.md
index 353b9e41b..ccbb8c46b 100644
--- a/snippets/and.md
+++ b/snippets/and.md
@@ -1,10 +1,10 @@
 ---
 title: Logical and
-tags: math,logic
+type: snippet
+tags: [math,logic]
 unlisted: true
 cover: succulent-1
-firstSeen: 2020-05-13T11:35:31+03:00
-lastUpdated: 2021-01-04T13:04:15+02:00
+dateModified: 2021-01-04T13:04:15+02:00
 ---
 
 Checks if both arguments are `true`.
diff --git a/snippets/any.md b/snippets/any.md
index c42c5fdd9..10eed8c19 100644
--- a/snippets/any.md
+++ b/snippets/any.md
@@ -1,9 +1,9 @@
 ---
 title: Test if any array element is truthy
-tags: array
+type: snippet
+tags: [array]
 cover: basket-paper
-firstSeen: 2018-02-14T11:46:15+02:00
-lastUpdated: 2020-10-18T20:24:28+03:00
+dateModified: 2020-10-18T20:24:28+03:00
 ---
 
 Checks if the provided predicate function returns `true` for at least one element in a collection.
diff --git a/snippets/aperture.md b/snippets/aperture.md
index 2f30fa1d8..203f10f4a 100644
--- a/snippets/aperture.md
+++ b/snippets/aperture.md
@@ -1,10 +1,10 @@
 ---
 title: Consecutive element subarrays
-tags: array
+type: snippet
+tags: [array]
 author: chalarangelo
 cover: camera-zoom
-firstSeen: 2020-05-13T13:25:33+03:00
-lastUpdated: 2020-10-18T20:24:28+03:00
+dateModified: 2020-10-18T20:24:28+03:00
 ---
 
 Creates an array of `n`-tuples of consecutive elements.
diff --git a/snippets/approximately-equal.md b/snippets/approximately-equal.md
index 8349f7d56..bf7f4f9a3 100644
--- a/snippets/approximately-equal.md
+++ b/snippets/approximately-equal.md
@@ -1,9 +1,9 @@
 ---
 title: Approximate number equality
-tags: math
+type: snippet
+tags: [math]
 cover: engine
-firstSeen: 2018-02-14T12:47:13+02:00
-lastUpdated: 2020-11-01T20:50:57+02:00
+dateModified: 2020-11-01T20:50:57+02:00
 ---
 
 Checks if two numbers are approximately equal to each other.
diff --git a/snippets/arithmetic-progression.md b/snippets/arithmetic-progression.md
index 130464556..f11e83c96 100644
--- a/snippets/arithmetic-progression.md
+++ b/snippets/arithmetic-progression.md
@@ -1,9 +1,9 @@
 ---
 title: Arithmetic progression
-tags: math,algorithm
+type: snippet
+tags: [math,algorithm]
 cover: u-got-this
-firstSeen: 2020-10-04T11:37:07+03:00
-lastUpdated: 2021-10-13T19:29:39+02:00
+dateModified: 2021-10-13T19:29:39+02:00
 ---
 
 Creates an array of numbers in the arithmetic progression, starting with the given positive integer and up to the specified limit.
diff --git a/snippets/array-to-csv.md b/snippets/array-to-csv.md
index 8899055e2..10212691d 100644
--- a/snippets/array-to-csv.md
+++ b/snippets/array-to-csv.md
@@ -1,9 +1,9 @@
 ---
 title: Array to CSV
-tags: array,string
+type: snippet
+tags: [array,string]
 cover: sunrise-over-city
-firstSeen: 2018-06-27T20:26:43+03:00
-lastUpdated: 2020-11-03T21:55:08+02:00
+dateModified: 2020-11-03T21:55:08+02:00
 ---
 
 Converts a 2D array to a comma-separated values (CSV) string.
diff --git a/snippets/array-to-html-list.md b/snippets/array-to-html-list.md
index 13c1a0c92..0c22d006f 100644
--- a/snippets/array-to-html-list.md
+++ b/snippets/array-to-html-list.md
@@ -1,9 +1,9 @@
 ---
 title: Array to HTML list
-tags: browser,array
+type: snippet
+tags: [browser,array]
 cover: red-succulent
-firstSeen: 2020-10-08T00:02:45+03:00
-lastUpdated: 2020-10-20T11:46:23+03:00
+dateModified: 2020-10-20T11:46:23+03:00
 ---
 
 Converts the given array elements into `<li>` tags and appends them to the list of the given id.
diff --git a/snippets/ary.md b/snippets/ary.md
index 22b1d2d71..8dc3671cc 100644
--- a/snippets/ary.md
+++ b/snippets/ary.md
@@ -1,9 +1,9 @@
 ---
 title: Function arity
-tags: function
+type: snippet
+tags: [function]
 cover: trippy-chemicals
-firstSeen: 2018-01-24T13:59:54+02:00
-lastUpdated: 2020-10-18T20:24:28+03:00
+dateModified: 2020-10-18T20:24:28+03:00
 ---
 
 Creates a function that accepts up to `n` arguments, ignoring any additional arguments.
diff --git a/snippets/assert-valid-keys.md b/snippets/assert-valid-keys.md
index 9cba0d91f..197c3b664 100644
--- a/snippets/assert-valid-keys.md
+++ b/snippets/assert-valid-keys.md
@@ -1,9 +1,10 @@
 ---
 title: Assert object keys are valid
-tags: object
+type: snippet
+tags: [object]
 author: chalarangelo
 cover: river-flow
-firstSeen: 2021-07-18T05:00:00-04:00
+dateModified: 2021-07-18T05:00:00-04:00
 ---
 
 Validates all keys in an object match the given `keys`.
diff --git a/snippets/atob.md b/snippets/atob.md
index 36a5b9b18..97255ebf2 100644
--- a/snippets/atob.md
+++ b/snippets/atob.md
@@ -1,9 +1,9 @@
 ---
 title: Decode Base64 encoded string
-tags: node,string
+type: snippet
+tags: [node,string]
 cover: thread
-firstSeen: 2018-01-17T21:43:21+02:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Decodes a string of data which has been encoded using base-64 encoding.
diff --git a/snippets/attempt.md b/snippets/attempt.md
index a0490705f..aad227256 100644
--- a/snippets/attempt.md
+++ b/snippets/attempt.md
@@ -1,9 +1,9 @@
 ---
 title: Attempt invoking a function
-tags: function
+type: snippet
+tags: [function]
 cover: spanish-resort
-firstSeen: 2018-01-28T14:44:40+02:00
-lastUpdated: 2020-10-18T20:24:28+03:00
+dateModified: 2020-10-18T20:24:28+03:00
 ---
 
 Attempts to invoke a function with the provided arguments, returning either the result or the caught error object.
diff --git a/snippets/average-by.md b/snippets/average-by.md
index 174d7098b..cfdd899d6 100644
--- a/snippets/average-by.md
+++ b/snippets/average-by.md
@@ -1,9 +1,9 @@
 ---
 title: Mapped array average
-tags: math
+type: snippet
+tags: [math]
 cover: rock-climbing
-firstSeen: 2018-01-11T12:25:54+02:00
-lastUpdated: 2020-10-21T21:17:45+03:00
+dateModified: 2020-10-21T21:17:45+03:00
 ---
 
 Calculates the average of an array, after mapping each element to a value using the provided function.
diff --git a/snippets/average.md b/snippets/average.md
index 3834e0840..c3f353ebd 100644
--- a/snippets/average.md
+++ b/snippets/average.md
@@ -1,9 +1,9 @@
 ---
 title: Average of numbers
-tags: math
+type: snippet
+tags: [math]
 cover: interior-8
-firstSeen: 2017-12-29T13:29:49+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Calculates the average of two or more numbers.
diff --git a/snippets/bifurcate-by.md b/snippets/bifurcate-by.md
index edeca5ffe..8d64976c5 100644
--- a/snippets/bifurcate-by.md
+++ b/snippets/bifurcate-by.md
@@ -1,9 +1,9 @@
 ---
 title: Bifurcate array based on function
-tags: array
+type: snippet
+tags: [array]
 cover: canoe
-firstSeen: 2018-02-14T12:13:07+02:00
-lastUpdated: 2020-11-01T20:50:57+02:00
+dateModified: 2020-11-01T20:50:57+02:00
 ---
 
 Splits values into two groups, based on the result of the given filtering function.
diff --git a/snippets/bifurcate.md b/snippets/bifurcate.md
index d9f25d387..92d9c951f 100644
--- a/snippets/bifurcate.md
+++ b/snippets/bifurcate.md
@@ -1,9 +1,9 @@
 ---
 title: Bifurcate array based on values
-tags: array
+type: snippet
+tags: [array]
 cover: two-cities
-firstSeen: 2018-02-14T12:13:07+02:00
-lastUpdated: 2020-11-01T20:50:57+02:00
+dateModified: 2020-11-01T20:50:57+02:00
 ---
 
 Splits values into two groups, based on the result of the given `filter` array.
diff --git a/snippets/binary-search.md b/snippets/binary-search.md
index ea0210cc4..9e7b3ad9c 100644
--- a/snippets/binary-search.md
+++ b/snippets/binary-search.md
@@ -1,10 +1,10 @@
 ---
 title: Binary search
-tags: algorithm,array
+type: snippet
+tags: [algorithm,array]
 author: chalarangelo
 cover: zen-indoors
-firstSeen: 2020-12-28T12:35:44+02:00
-lastUpdated: 2020-12-29T13:06:47+02:00
+dateModified: 2020-12-29T13:06:47+02:00
 ---
 
 Finds the index of a given element in a sorted array using the binary search algorithm.
diff --git a/snippets/binary.md b/snippets/binary.md
index 92b61eab2..40e4ac409 100644
--- a/snippets/binary.md
+++ b/snippets/binary.md
@@ -1,10 +1,10 @@
 ---
 title: Binary function arity
-tags: function
+type: snippet
+tags: [function]
 author: chalarangelo
 cover: blue-bird
-firstSeen: 2020-05-13T13:36:36+03:00
-lastUpdated: 2020-10-18T23:04:45+03:00
+dateModified: 2020-10-18T23:04:45+03:00
 ---
 
 Creates a function that accepts up to two arguments, ignoring any additional arguments.
diff --git a/snippets/bind-all.md b/snippets/bind-all.md
index 7127cb114..2c8cc4a32 100644
--- a/snippets/bind-all.md
+++ b/snippets/bind-all.md
@@ -1,9 +1,9 @@
 ---
 title: Bind all object methods
-tags: object,function
+type: snippet
+tags: [object,function]
 cover: laptop-with-code
-firstSeen: 2018-01-26T14:14:53+02:00
-lastUpdated: 2020-11-03T22:11:18+02:00
+dateModified: 2020-11-03T22:11:18+02:00
 ---
 
 Binds methods of an object to the object itself, overwriting the existing method.
diff --git a/snippets/bind-key.md b/snippets/bind-key.md
index 150a574d4..327e9d262 100644
--- a/snippets/bind-key.md
+++ b/snippets/bind-key.md
@@ -1,9 +1,9 @@
 ---
 title: Bind object method
-tags: function,object
+type: snippet
+tags: [function,object]
 cover: oven-paddle
-firstSeen: 2018-01-24T14:22:43+02:00
-lastUpdated: 2020-10-18T23:04:45+03:00
+dateModified: 2020-10-18T23:04:45+03:00
 ---
 
 Creates a function that invokes the method at a given key of an object, optionally prepending any additional supplied parameters to the arguments.
diff --git a/snippets/bind.md b/snippets/bind.md
index 39949c0a9..9efc73f0e 100644
--- a/snippets/bind.md
+++ b/snippets/bind.md
@@ -1,9 +1,9 @@
 ---
 title: Bind function context
-tags: function,object
+type: snippet
+tags: [function,object]
 cover: tranquility
-firstSeen: 2018-01-24T14:14:49+02:00
-lastUpdated: 2020-10-18T23:04:45+03:00
+dateModified: 2020-10-18T23:04:45+03:00
 ---
 
 Creates a function that invokes `fn` with a given context, optionally prepending any additional supplied parameters to the arguments.
diff --git a/snippets/binomial-coefficient.md b/snippets/binomial-coefficient.md
index 4b206e28c..c3a50ddfd 100644
--- a/snippets/binomial-coefficient.md
+++ b/snippets/binomial-coefficient.md
@@ -1,9 +1,9 @@
 ---
 title: Binomial coefficient
-tags: math,algorithm
+type: snippet
+tags: [math,algorithm]
 cover: blue-red-mountain
-firstSeen: 2018-02-14T12:34:02+02:00
-lastUpdated: 2020-12-28T13:49:24+02:00
+dateModified: 2020-12-28T13:49:24+02:00
 ---
 
 Calculates the number of ways to choose `k` items from `n` items without repetition and without order.
diff --git a/snippets/both.md b/snippets/both.md
index a28103efc..ea5f06b63 100644
--- a/snippets/both.md
+++ b/snippets/both.md
@@ -1,10 +1,10 @@
 ---
 title: Logical and for functions
-tags: function,logic
+type: snippet
+tags: [function,logic]
 unlisted: true
 cover: succulent-2
-firstSeen: 2020-05-13T11:35:36+03:00
-lastUpdated: 2021-01-04T13:04:15+02:00
+dateModified: 2021-01-04T13:04:15+02:00
 ---
 
 Checks if both of the given functions return `true` for a given set of arguments.
diff --git a/snippets/bottom-visible.md b/snippets/bottom-visible.md
index 215e7d84e..62de530ba 100644
--- a/snippets/bottom-visible.md
+++ b/snippets/bottom-visible.md
@@ -1,9 +1,9 @@
 ---
 title: Check if bottom of page is visible
-tags: browser
+type: snippet
+tags: [browser]
 cover: red-mountain
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Checks if the bottom of the page is visible.
diff --git a/snippets/btoa.md b/snippets/btoa.md
index 3a9ff6015..0216078f4 100644
--- a/snippets/btoa.md
+++ b/snippets/btoa.md
@@ -1,9 +1,9 @@
 ---
 title: Encode string to Base64
-tags: node,string
+type: snippet
+tags: [node,string]
 cover: laptop-journey
-firstSeen: 2018-01-17T21:43:21+02:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Creates a base-64 encoded ASCII string from a String object in which each character in the string is treated as a byte of binary data.
diff --git a/snippets/bubble-sort.md b/snippets/bubble-sort.md
index f0b9f843a..df3e57966 100644
--- a/snippets/bubble-sort.md
+++ b/snippets/bubble-sort.md
@@ -1,9 +1,9 @@
 ---
 title: Bubble sort
-tags: algorithm,array
+type: snippet
+tags: [algorithm,array]
 cover: budapest-palace
-firstSeen: 2020-12-27T21:20:31+02:00
-lastUpdated: 2020-12-29T12:18:58+02:00
+dateModified: 2020-12-29T12:18:58+02:00
 ---
 
 Sorts an array of numbers, using the bubble sort algorithm.
diff --git a/snippets/bucket-sort.md b/snippets/bucket-sort.md
index 79b80317f..5bdef533d 100644
--- a/snippets/bucket-sort.md
+++ b/snippets/bucket-sort.md
@@ -1,9 +1,9 @@
 ---
 title: Bucket sort
-tags: algorithm,array
+type: snippet
+tags: [algorithm,array]
 cover: canoe
-firstSeen: 2020-12-28T22:11:56+02:00
-lastUpdated: 2020-12-29T12:22:44+02:00
+dateModified: 2020-12-29T12:22:44+02:00
 ---
 
 Sorts an array of numbers, using the bucket sort algorithm.
diff --git a/snippets/byte-size.md b/snippets/byte-size.md
index 017f19a66..c5fde8e98 100644
--- a/snippets/byte-size.md
+++ b/snippets/byte-size.md
@@ -1,9 +1,9 @@
 ---
 title: Byte size of string
-tags: string
+type: snippet
+tags: [string]
 cover: mountain-lake-cottage-2
-firstSeen: 2017-12-29T14:30:34+02:00
-lastUpdated: 2020-10-18T23:04:45+03:00
+dateModified: 2020-10-18T23:04:45+03:00
 ---
 
 Returns the length of a string in bytes.
diff --git a/snippets/caesar-cipher.md b/snippets/caesar-cipher.md
index d249fbd83..825e51236 100644
--- a/snippets/caesar-cipher.md
+++ b/snippets/caesar-cipher.md
@@ -1,9 +1,9 @@
 ---
 title: Caesar cipher
-tags: algorithm,string
+type: snippet
+tags: [algorithm,string]
 cover: ancient-greek-building
-firstSeen: 2020-12-28T20:10:18+02:00
-lastUpdated: 2020-12-29T12:29:21+02:00
+dateModified: 2020-12-29T12:29:21+02:00
 ---
 
 Encrypts or decrypts a given string using the Caesar cipher.
diff --git a/snippets/call-or-return.md b/snippets/call-or-return.md
index a4761f0f2..319a9e716 100644
--- a/snippets/call-or-return.md
+++ b/snippets/call-or-return.md
@@ -1,9 +1,10 @@
 ---
 title: Call or return
-tags: function
+type: snippet
+tags: [function]
 author: chalarangelo
 cover: cows
-firstSeen: 2022-04-04T05:00:00-04:00
+dateModified: 2022-04-04T05:00:00-04:00
 ---
 
 Calls the argument if it's a function, otherwise returns it.
diff --git a/snippets/call.md b/snippets/call.md
index 8b04dbc18..195ceecf0 100644
--- a/snippets/call.md
+++ b/snippets/call.md
@@ -1,9 +1,9 @@
 ---
 title: Call functions with context
-tags: function
+type: snippet
+tags: [function]
 cover: rabbit-call
-firstSeen: 2017-12-22T21:54:30+02:00
-lastUpdated: 2021-06-13T13:50:25+03:00
+dateModified: 2021-06-13T13:50:25+03:00
 ---
 
 Given a key and a set of arguments, call them when given a context.
diff --git a/snippets/capitalize-every-word.md b/snippets/capitalize-every-word.md
index fb7922e76..4a7b5ae80 100644
--- a/snippets/capitalize-every-word.md
+++ b/snippets/capitalize-every-word.md
@@ -1,9 +1,9 @@
 ---
 title: Capitalize every word
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 cover: laptop-plants
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Capitalizes the first letter of every word in a string.
diff --git a/snippets/capitalize.md b/snippets/capitalize.md
index 72432042d..d0942a200 100644
--- a/snippets/capitalize.md
+++ b/snippets/capitalize.md
@@ -1,9 +1,9 @@
 ---
 title: Capitalize string
-tags: string
+type: snippet
+tags: [string]
 cover: digital-nomad-3
-firstSeen: 2017-12-17T16:41:31+02:00
-lastUpdated: 2020-11-01T20:50:57+02:00
+dateModified: 2020-11-01T20:50:57+02:00
 ---
 
 Capitalizes the first letter of a string.
diff --git a/snippets/cartesian-product.md b/snippets/cartesian-product.md
index b2f3e23eb..532455035 100644
--- a/snippets/cartesian-product.md
+++ b/snippets/cartesian-product.md
@@ -1,9 +1,9 @@
 ---
 title: Cartesian product
-tags: math
+type: snippet
+tags: [math]
 cover: sail-away
-firstSeen: 2020-12-28T20:23:47+02:00
-lastUpdated: 2020-12-29T12:31:43+02:00
+dateModified: 2020-12-29T12:31:43+02:00
 ---
 
 Calculates the cartesian product of two arrays.
diff --git a/snippets/cast-array.md b/snippets/cast-array.md
index f93f760c4..aff0e997c 100644
--- a/snippets/cast-array.md
+++ b/snippets/cast-array.md
@@ -1,9 +1,9 @@
 ---
 title: Cast to array
-tags: type,array
+type: snippet
+tags: [type,array]
 cover: man-red-sunset
-firstSeen: 2018-01-23T20:54:12+02:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Casts the provided value as an array if it's not one.
diff --git a/snippets/celsius-to-fahrenheit.md b/snippets/celsius-to-fahrenheit.md
index d7391a53d..49e9711c7 100644
--- a/snippets/celsius-to-fahrenheit.md
+++ b/snippets/celsius-to-fahrenheit.md
@@ -1,10 +1,10 @@
 ---
 title: Celsius to Fahrenheit
-tags: math
+type: snippet
+tags: [math]
 unlisted: true
 cover: last-light
-firstSeen: 2020-04-16T11:00:06+03:00
-lastUpdated: 2021-01-04T13:04:15+02:00
+dateModified: 2021-01-04T13:04:15+02:00
 ---
 
 Converts Celsius to Fahrenheit.
diff --git a/snippets/chain-async.md b/snippets/chain-async.md
index 9be96230d..0ad8b8a4e 100644
--- a/snippets/chain-async.md
+++ b/snippets/chain-async.md
@@ -1,9 +1,9 @@
 ---
 title: Chain async functions
-tags: function
+type: snippet
+tags: [function]
 cover: tram-car
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Chains asynchronous functions.
diff --git a/snippets/change-lightness.md b/snippets/change-lightness.md
index 122617e27..64f6ceb59 100644
--- a/snippets/change-lightness.md
+++ b/snippets/change-lightness.md
@@ -1,9 +1,9 @@
 ---
 title: Change color lightness
-tags: string,browser,regexp
+type: snippet
+tags: [string,browser,regexp]
 cover: aerial-view-port
-firstSeen: 2020-10-30T17:38:31+02:00
-lastUpdated: 2020-10-31T16:37:54+02:00
+dateModified: 2020-10-31T16:37:54+02:00
 ---
 
 Changes the lightness value of an `hsl()` color string.
diff --git a/snippets/check-prop.md b/snippets/check-prop.md
index 70ae28b98..bb512ffdb 100644
--- a/snippets/check-prop.md
+++ b/snippets/check-prop.md
@@ -1,9 +1,9 @@
 ---
 title: Check property
-tags: function,object
+type: snippet
+tags: [function,object]
 cover: white-tablet-2
-firstSeen: 2019-03-17T03:53:00+02:00
-lastUpdated: 2020-11-01T20:50:57+02:00
+dateModified: 2020-11-01T20:50:57+02:00
 ---
 
 Creates a function that will invoke a predicate function for the specified property on a given object.
diff --git a/snippets/chunk-into-n.md b/snippets/chunk-into-n.md
index 51a27887a..1a48caa23 100644
--- a/snippets/chunk-into-n.md
+++ b/snippets/chunk-into-n.md
@@ -1,10 +1,10 @@
 ---
 title: Split array into n chunks
-tags: array
+type: snippet
+tags: [array]
 author: chalarangelo
 cover: dark-leaves-2
-firstSeen: 2020-05-04T13:00:46+03:00
-lastUpdated: 2020-11-03T21:46:13+02:00
+dateModified: 2020-11-03T21:46:13+02:00
 ---
 
 Chunks an array into `n` smaller arrays.
diff --git a/snippets/chunk.md b/snippets/chunk.md
index 5a55507c5..f136e5a56 100644
--- a/snippets/chunk.md
+++ b/snippets/chunk.md
@@ -1,9 +1,9 @@
 ---
 title: Split into chunks
-tags: array
+type: snippet
+tags: [array]
 cover: filter-coffee-pot
-firstSeen: 2017-12-17T16:41:31+02:00
-lastUpdated: 2020-11-03T21:35:12+02:00
+dateModified: 2020-11-03T21:35:12+02:00
 ---
 
 Chunks an array into smaller arrays of a specified size.
diff --git a/snippets/chunkify.md b/snippets/chunkify.md
index 93a30257c..9a86cdcf4 100644
--- a/snippets/chunkify.md
+++ b/snippets/chunkify.md
@@ -1,10 +1,10 @@
 ---
 title: Chunk iterable
-tags: function,generator,array
+type: snippet
+tags: [function,generator,array]
 author: chalarangelo
 cover: cave-view
-firstSeen: 2021-03-16T22:50:40+02:00
-lastUpdated: 2021-03-16T22:50:40+02:00
+dateModified: 2021-03-16T22:50:40+02:00
 ---
 
 Chunks an iterable into smaller arrays of a specified size.
diff --git a/snippets/clamp-number.md b/snippets/clamp-number.md
index 1c2557e88..b014ce777 100644
--- a/snippets/clamp-number.md
+++ b/snippets/clamp-number.md
@@ -1,9 +1,9 @@
 ---
 title: Clamp number
-tags: math
+type: snippet
+tags: [math]
 cover: clay-pot-horizon
-firstSeen: 2017-12-20T19:19:18+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Clamps `num` within the inclusive range specified by the boundary values `a` and `b`.
diff --git a/snippets/clone-reg-exp.md b/snippets/clone-reg-exp.md
index fe0df0641..3802f2ab5 100644
--- a/snippets/clone-reg-exp.md
+++ b/snippets/clone-reg-exp.md
@@ -1,9 +1,9 @@
 ---
 title: Clone RegExp
-tags: type
+type: snippet
+tags: [type]
 cover: tomatoes
-firstSeen: 2018-01-01T19:45:47+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Clones a regular expression.
diff --git a/snippets/closest.md b/snippets/closest.md
index f850ef8cf..c6877ab71 100644
--- a/snippets/closest.md
+++ b/snippets/closest.md
@@ -1,9 +1,10 @@
 ---
 title: Closest numeric match
-tags: math
+type: snippet
+tags: [math]
 author: chalarangelo
 cover: sparkles
-firstSeen: 2022-03-30T05:00:00-04:00
+dateModified: 2022-03-30T05:00:00-04:00
 ---
 
 Finds the closest number from an array.
diff --git a/snippets/coalesce-factory.md b/snippets/coalesce-factory.md
index 00753ba47..a26e03c7a 100644
--- a/snippets/coalesce-factory.md
+++ b/snippets/coalesce-factory.md
@@ -1,9 +1,9 @@
 ---
 title: Argument coalescing factory
-tags: function,type
+type: snippet
+tags: [function,type]
 cover: coffee-phone-tray
-firstSeen: 2017-12-18T12:15:36+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Customizes a coalesce function that returns the first argument which is `true` based on the given validator.
diff --git a/snippets/coalesce.md b/snippets/coalesce.md
index 0975491dc..3d3acfd74 100644
--- a/snippets/coalesce.md
+++ b/snippets/coalesce.md
@@ -1,9 +1,9 @@
 ---
 title: Argument coalescing
-tags: type
+type: snippet
+tags: [type]
 cover: flower-portrait-1
-firstSeen: 2017-12-17T10:08:55+02:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Returns the first defined, non-null argument.
diff --git a/snippets/collect-into.md b/snippets/collect-into.md
index faefc28a1..d99253406 100644
--- a/snippets/collect-into.md
+++ b/snippets/collect-into.md
@@ -1,9 +1,9 @@
 ---
 title: Convert function to variadic
-tags: function,array
+type: snippet
+tags: [function,array]
 cover: polar-bear
-firstSeen: 2017-12-22T05:08:36+02:00
-lastUpdated: 2021-06-13T13:50:25+03:00
+dateModified: 2021-06-13T13:50:25+03:00
 ---
 
 Changes a function that accepts an array into a variadic function.
diff --git a/snippets/colorize.md b/snippets/colorize.md
index ff9d9cc23..79dd69577 100644
--- a/snippets/colorize.md
+++ b/snippets/colorize.md
@@ -1,9 +1,9 @@
 ---
 title: Colorize text
-tags: node,string
+type: snippet
+tags: [node,string]
 cover: sea-view
-firstSeen: 2018-01-13T13:36:59+02:00
-lastUpdated: 2020-11-03T22:11:18+02:00
+dateModified: 2020-11-03T22:11:18+02:00
 ---
 
 Adds special characters to text to print in color in the console (combined with `console.log()`).
diff --git a/snippets/combine.md b/snippets/combine.md
index 755474f45..ef6e912a9 100644
--- a/snippets/combine.md
+++ b/snippets/combine.md
@@ -1,10 +1,10 @@
 ---
 title: Combine object arrays
-tags: array,object
+type: snippet
+tags: [array,object]
 author: chalarangelo
 cover: digital-nomad-6
-firstSeen: 2020-10-04T00:26:51+03:00
-lastUpdated: 2020-10-08T02:22:39+03:00
+dateModified: 2020-10-08T02:22:39+03:00
 ---
 
 Combines two arrays of objects, using the specified key to match objects.
diff --git a/snippets/common-keys.md b/snippets/common-keys.md
index d277eece5..31921d714 100644
--- a/snippets/common-keys.md
+++ b/snippets/common-keys.md
@@ -1,9 +1,10 @@
 ---
 title: Common keys
-tags: object
+type: snippet
+tags: [object]
 author: chalarangelo
 cover: symmetry-cloudy-mountain
-firstSeen: 2022-04-23T05:00:00-04:00
+dateModified: 2022-04-23T05:00:00-04:00
 ---
 
 Finds the common keys between two objects.
diff --git a/snippets/compact-join.md b/snippets/compact-join.md
index e2a589c8e..91d0ff298 100644
--- a/snippets/compact-join.md
+++ b/snippets/compact-join.md
@@ -1,9 +1,10 @@
 ---
 title: Compact and join array
-tags: array
+type: snippet
+tags: [array]
 author: chalarangelo
 cover: racoon
-firstSeen: 2022-04-08T05:00:00-04:00
+dateModified: 2022-04-08T05:00:00-04:00
 ---
 
 Removes falsy values from an array and combines the remaining values into a string.
diff --git a/snippets/compact-object.md b/snippets/compact-object.md
index d0091fa45..81e5522b2 100644
--- a/snippets/compact-object.md
+++ b/snippets/compact-object.md
@@ -1,9 +1,9 @@
 ---
 title: Compact object
-tags: object,array,recursion
+type: snippet
+tags: [object,array,recursion]
 cover: shapes
-firstSeen: 2020-11-27T13:57:41+02:00
-lastUpdated: 2020-11-27T13:57:41+02:00
+dateModified: 2020-11-27T13:57:41+02:00
 ---
 
 Deeply removes all falsy values from an object or array.
diff --git a/snippets/compact-whitespace.md b/snippets/compact-whitespace.md
index 7a78361ff..395060a09 100644
--- a/snippets/compact-whitespace.md
+++ b/snippets/compact-whitespace.md
@@ -1,9 +1,9 @@
 ---
 title: Compact whitespaces
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 cover: travel-mug-1
-firstSeen: 2018-12-12T19:11:33+02:00
-lastUpdated: 2020-10-18T23:04:45+03:00
+dateModified: 2020-10-18T23:04:45+03:00
 ---
 
 Compacts whitespaces in a string.
diff --git a/snippets/compact.md b/snippets/compact.md
index b1be1474f..fdb1a619f 100644
--- a/snippets/compact.md
+++ b/snippets/compact.md
@@ -1,9 +1,9 @@
 ---
 title: Compact array
-tags: array
+type: snippet
+tags: [array]
 cover: basket-paper
-firstSeen: 2017-12-14T08:19:15+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Removes falsy values from an array.
diff --git a/snippets/complement.md b/snippets/complement.md
index c2080cd51..47e34dea4 100644
--- a/snippets/complement.md
+++ b/snippets/complement.md
@@ -1,9 +1,9 @@
 ---
 title: Logical complement
-tags: function,logic
+type: snippet
+tags: [function,logic]
 cover: flower-portrait-10
-firstSeen: 2020-05-13T11:28:33+03:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Returns a function that is the logical complement of the given function, `fn`.
diff --git a/snippets/compose-right.md b/snippets/compose-right.md
index 9aea65ef1..39d529615 100644
--- a/snippets/compose-right.md
+++ b/snippets/compose-right.md
@@ -1,9 +1,9 @@
 ---
 title: Reverse compose functions
-tags: function
+type: snippet
+tags: [function]
 cover: rocky-beach
-firstSeen: 2018-01-23T22:12:56+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Performs left-to-right function composition.
diff --git a/snippets/compose.md b/snippets/compose.md
index ed2b6ea67..d7377d453 100644
--- a/snippets/compose.md
+++ b/snippets/compose.md
@@ -1,9 +1,9 @@
 ---
 title: Compose functions
-tags: function
+type: snippet
+tags: [function]
 cover: digital-nomad-16
-firstSeen: 2017-12-17T16:41:31+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Performs right-to-left function composition.
diff --git a/snippets/contains-whitespace.md b/snippets/contains-whitespace.md
index a047f66c9..de5eb7c86 100644
--- a/snippets/contains-whitespace.md
+++ b/snippets/contains-whitespace.md
@@ -1,10 +1,10 @@
 ---
 title: Check if string contains whitespace
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 author: chalarangelo
 cover: bag-waiting
-firstSeen: 2020-03-25T12:37:13+02:00
-lastUpdated: 2020-10-18T23:04:45+03:00
+dateModified: 2020-10-18T23:04:45+03:00
 ---
 
 Checks if the given string contains any whitespace characters.
diff --git a/snippets/converge.md b/snippets/converge.md
index cfb4701e5..af7b71c54 100644
--- a/snippets/converge.md
+++ b/snippets/converge.md
@@ -1,10 +1,10 @@
 ---
 title: Converge branching functions
-tags: function
+type: snippet
+tags: [function]
 excerpt: Converges a list of branching functions into a single function and returns the result.
 cover: cherry-trees
-firstSeen: 2018-02-07T12:23:04+02:00
-lastUpdated: 2021-01-08T00:23:44+02:00
+dateModified: 2021-01-08T00:23:44+02:00
 ---
 
 Accepts a converging function and a list of branching functions and returns a function that applies each branching function to the arguments and the results of the branching functions are passed as arguments to the converging function.
diff --git a/snippets/copy-sign.md b/snippets/copy-sign.md
index 3d4d132ff..40d5be1bd 100644
--- a/snippets/copy-sign.md
+++ b/snippets/copy-sign.md
@@ -1,9 +1,9 @@
 ---
 title: Copy sign to number
-tags: math
+type: snippet
+tags: [math]
 cover: keyboard-tea
-firstSeen: 2020-10-07T23:52:57+03:00
-lastUpdated: 2020-10-07T23:52:57+03:00
+dateModified: 2020-10-07T23:52:57+03:00
 ---
 
 Returns the absolute value of the first number, but the sign of the second.
diff --git a/snippets/copy-to-clipboard-async.md b/snippets/copy-to-clipboard-async.md
index fb7acf8a2..a2bcc6700 100644
--- a/snippets/copy-to-clipboard-async.md
+++ b/snippets/copy-to-clipboard-async.md
@@ -1,8 +1,9 @@
 ---
 title: Copy to clipboard async
-tags: browser,string,promise
+type: snippet
+tags: [browser,string,promise]
 cover: typing
-firstSeen: 2022-01-11T05:00:00-04:00
+dateModified: 2022-01-11T05:00:00-04:00
 ---
 
 Copies a string to the clipboard, returning a promise that resolves when the clipboard's contents have been updated.
diff --git a/snippets/copy-to-clipboard.md b/snippets/copy-to-clipboard.md
index 74a4f9055..df79ff504 100644
--- a/snippets/copy-to-clipboard.md
+++ b/snippets/copy-to-clipboard.md
@@ -1,9 +1,9 @@
 ---
 title: Copy to clipboard
-tags: browser,string,event
+type: snippet
+tags: [browser,string,event]
 cover: typing
-firstSeen: 2017-12-31T11:40:33+02:00
-lastUpdated: 2022-01-11T09:32:04+02:00
+dateModified: 2022-01-11T09:32:04+02:00
 ---
 
 Copies a string to the clipboard.
diff --git a/snippets/count-by.md b/snippets/count-by.md
index c18f05a02..9d877d3b8 100644
--- a/snippets/count-by.md
+++ b/snippets/count-by.md
@@ -1,9 +1,9 @@
 ---
 title: Count grouped elements
-tags: array,object
+type: snippet
+tags: [array,object]
 cover: tools
-firstSeen: 2018-01-11T13:45:53+02:00
-lastUpdated: 2020-11-03T22:11:18+02:00
+dateModified: 2020-11-03T22:11:18+02:00
 ---
 
 Groups the elements of an array based on the given function and returns the count of elements in each group.
diff --git a/snippets/count-occurrences.md b/snippets/count-occurrences.md
index 6bd3665ee..7f89cef8e 100644
--- a/snippets/count-occurrences.md
+++ b/snippets/count-occurrences.md
@@ -1,9 +1,9 @@
 ---
 title: Count occurrences
-tags: array
+type: snippet
+tags: [array]
 cover: dark-leaves-4
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-18T23:04:45+03:00
+dateModified: 2020-10-18T23:04:45+03:00
 ---
 
 Counts the occurrences of a value in an array.
diff --git a/snippets/count-substrings.md b/snippets/count-substrings.md
index 6f9011d8c..09f5ffac4 100644
--- a/snippets/count-substrings.md
+++ b/snippets/count-substrings.md
@@ -1,10 +1,10 @@
 ---
 title: Count substrings of string
-tags: string,algorithm
+type: snippet
+tags: [string,algorithm]
 author: chalarangelo
 cover: obelisk
-firstSeen: 2020-12-31T13:58:51+02:00
-lastUpdated: 2021-01-08T00:23:44+02:00
+dateModified: 2021-01-08T00:23:44+02:00
 ---
 
 Counts the occurrences of a substring in a given string.
diff --git a/snippets/count-week-days-between.md b/snippets/count-week-days-between.md
index a4e9bca17..57f3edafa 100644
--- a/snippets/count-week-days-between.md
+++ b/snippets/count-week-days-between.md
@@ -1,9 +1,9 @@
 ---
 title: Count weekdays between two dates
-tags: date
+type: snippet
+tags: [date]
 cover: organizer
-firstSeen: 2020-10-11T11:44:44+03:00
-lastUpdated: 2020-10-20T11:21:07+03:00
+dateModified: 2020-10-20T11:21:07+03:00
 ---
 
 Counts the weekdays between two dates.
diff --git a/snippets/counter.md b/snippets/counter.md
index 5c18a9ef9..d8e6be75a 100644
--- a/snippets/counter.md
+++ b/snippets/counter.md
@@ -1,9 +1,9 @@
 ---
 title: Counter
-tags: browser
+type: snippet
+tags: [browser]
 cover: touch-flower
-firstSeen: 2018-05-06T17:55:46+03:00
-lastUpdated: 2020-11-01T20:50:57+02:00
+dateModified: 2020-11-01T20:50:57+02:00
 ---
 
 Creates a counter with the specified range, step and duration for the specified selector.
diff --git a/snippets/create-dir-if-not-exists.md b/snippets/create-dir-if-not-exists.md
index 59606415e..b581c9fab 100644
--- a/snippets/create-dir-if-not-exists.md
+++ b/snippets/create-dir-if-not-exists.md
@@ -1,9 +1,9 @@
 ---
 title: Create directory if not exists
-tags: node
+type: snippet
+tags: [node]
 cover: sunrise-over-city
-firstSeen: 2018-12-12T19:25:16+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Creates a directory, if it does not exist.
diff --git a/snippets/create-element.md b/snippets/create-element.md
index 8a2409e88..def646f54 100644
--- a/snippets/create-element.md
+++ b/snippets/create-element.md
@@ -1,9 +1,9 @@
 ---
 title: Create HTML element
-tags: browser
+type: snippet
+tags: [browser]
 cover: flower-portrait-4
-firstSeen: 2018-01-05T18:21:44+02:00
-lastUpdated: 2020-10-19T18:51:03+03:00
+dateModified: 2020-10-19T18:51:03+03:00
 ---
 
 Creates an element from a string (without appending it to the document).
diff --git a/snippets/create-event-hub.md b/snippets/create-event-hub.md
index fa13d7646..0ffd8080b 100644
--- a/snippets/create-event-hub.md
+++ b/snippets/create-event-hub.md
@@ -1,9 +1,9 @@
 ---
 title: Create event hub
-tags: browser,event
+type: snippet
+tags: [browser,event]
 cover: city-view
-firstSeen: 2018-01-05T15:07:26+02:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Creates a pub/sub ([publish–subscribe](https://en.wikipedia.org/wiki/Publish%E2%80%93subscribe_pattern)) event hub with `emit`, `on`, and `off` methods.
diff --git a/snippets/csv-to-array.md b/snippets/csv-to-array.md
index a82facd15..c505d1fdc 100644
--- a/snippets/csv-to-array.md
+++ b/snippets/csv-to-array.md
@@ -1,9 +1,9 @@
 ---
 title: CSV to array
-tags: string,array
+type: snippet
+tags: [string,array]
 cover: keyboard-tea
-firstSeen: 2018-06-27T20:57:54+03:00
-lastUpdated: 2022-01-30T12:14:39+02:00
+dateModified: 2022-01-30T12:14:39+02:00
 ---
 
 Converts a comma-separated values (CSV) string to a 2D array.
diff --git a/snippets/csv-to-json.md b/snippets/csv-to-json.md
index 7c39838b8..71b6114af 100644
--- a/snippets/csv-to-json.md
+++ b/snippets/csv-to-json.md
@@ -1,9 +1,9 @@
 ---
 title: CSV to JSON
-tags: string,object
+type: snippet
+tags: [string,object]
 cover: kettle-laptop
-firstSeen: 2018-06-27T21:14:24+03:00
-lastUpdated: 2022-01-30T12:14:39+02:00
+dateModified: 2022-01-30T12:14:39+02:00
 ---
 
 Converts a comma-separated values (CSV) string to a 2D array of objects.
diff --git a/snippets/current-url.md b/snippets/current-url.md
index 3973a5c92..4dbcc5153 100644
--- a/snippets/current-url.md
+++ b/snippets/current-url.md
@@ -1,9 +1,9 @@
 ---
 title: Current URL
-tags: browser
+type: snippet
+tags: [browser]
 cover: tropical-bike
-firstSeen: 2017-12-18T11:05:03+02:00
-lastUpdated: 2020-10-20T11:46:23+03:00
+dateModified: 2020-10-20T11:46:23+03:00
 ---
 
 Returns the current URL.
diff --git a/snippets/curry.md b/snippets/curry.md
index 628d4d22a..135f6da6d 100644
--- a/snippets/curry.md
+++ b/snippets/curry.md
@@ -1,9 +1,9 @@
 ---
 title: Curry function
-tags: function,recursion
+type: snippet
+tags: [function,recursion]
 cover: rocky-beach-2
-firstSeen: 2017-12-10T15:21:35+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Curries a function.
diff --git a/snippets/cycle-generator.md b/snippets/cycle-generator.md
index b3345855c..7e5bbc722 100644
--- a/snippets/cycle-generator.md
+++ b/snippets/cycle-generator.md
@@ -1,10 +1,10 @@
 ---
 title: Cycle generator
-tags: function,generator
+type: snippet
+tags: [function,generator]
 author: chalarangelo
 cover: secret-tree
-firstSeen: 2020-10-11T17:05:38+03:00
-lastUpdated: 2020-10-11T17:05:38+03:00
+dateModified: 2020-10-11T17:05:38+03:00
 ---
 
 Creates a generator, looping over the given array indefinitely.
diff --git a/snippets/date-range-generator.md b/snippets/date-range-generator.md
index 6311c4e46..76f11f76e 100644
--- a/snippets/date-range-generator.md
+++ b/snippets/date-range-generator.md
@@ -1,8 +1,9 @@
 ---
 title: Date range generator
-tags: date,function,generator
+type: snippet
+tags: [date,function,generator]
 cover: portal-timelapse
-firstSeen: 2021-06-21T05:00:00-04:00
+dateModified: 2021-06-21T05:00:00-04:00
 ---
 
 Creates a generator, that generates all dates in the given range using the given step.
diff --git a/snippets/day-name.md b/snippets/day-name.md
index 9678a6faa..10b762831 100644
--- a/snippets/day-name.md
+++ b/snippets/day-name.md
@@ -1,9 +1,9 @@
 ---
 title: Day name
-tags: date
+type: snippet
+tags: [date]
 cover: interior
-firstSeen: 2020-10-04T00:31:08+03:00
-lastUpdated: 2020-11-01T20:50:57+02:00
+dateModified: 2020-11-01T20:50:57+02:00
 ---
 
 Gets the name of the weekday from a `Date` object.
diff --git a/snippets/day-of-year.md b/snippets/day-of-year.md
index e0d32fcf8..f227cb616 100644
--- a/snippets/day-of-year.md
+++ b/snippets/day-of-year.md
@@ -1,9 +1,9 @@
 ---
 title: Day of year
-tags: date
+type: snippet
+tags: [date]
 cover: interior-3
-firstSeen: 2018-09-29T13:22:20+03:00
-lastUpdated: 2020-10-19T18:51:03+03:00
+dateModified: 2020-10-19T18:51:03+03:00
 ---
 
 Gets the day of the year (number in the range 1-366) from a `Date` object.
diff --git a/snippets/days-ago.md b/snippets/days-ago.md
index 9f67c91cc..a744174f5 100644
--- a/snippets/days-ago.md
+++ b/snippets/days-ago.md
@@ -1,9 +1,9 @@
 ---
 title: Days ago
-tags: date
+type: snippet
+tags: [date]
 cover: sunrise-over-city
-firstSeen: 2020-10-06T05:35:23+03:00
-lastUpdated: 2022-01-30T11:48:07+03:00
+dateModified: 2022-01-30T11:48:07+03:00
 ---
 
 Calculates the date of `n` days ago from today as a string representation.
diff --git a/snippets/days-from-now.md b/snippets/days-from-now.md
index 0af451edf..a9c9ccb06 100644
--- a/snippets/days-from-now.md
+++ b/snippets/days-from-now.md
@@ -1,9 +1,9 @@
 ---
 title: Days from now
-tags: date
+type: snippet
+tags: [date]
 cover: tent-stars
-firstSeen: 2020-10-09T02:49:17+03:00
-lastUpdated: 2022-01-30T11:48:07+03:00
+dateModified: 2022-01-30T11:48:07+03:00
 ---
 
 Calculates the date of `n` days from today as a string representation.
diff --git a/snippets/days-in-month.md b/snippets/days-in-month.md
index 7c63600f8..a5ef02d5c 100644
--- a/snippets/days-in-month.md
+++ b/snippets/days-in-month.md
@@ -1,8 +1,9 @@
 ---
 title: Number of days in month
-tags: date
+type: snippet
+tags: [date]
 cover: laptop-plants-2
-firstSeen: 2021-06-13T05:00:00-04:00
+dateModified: 2021-06-13T05:00:00-04:00
 ---
 
 Gets the number of days in the given `month` of the specified `year`.
diff --git a/snippets/debounce-promise.md b/snippets/debounce-promise.md
index bb39ba91f..fdf22665a 100644
--- a/snippets/debounce-promise.md
+++ b/snippets/debounce-promise.md
@@ -1,10 +1,10 @@
 ---
 title: Debounce promise
-tags: function,promise
+type: snippet
+tags: [function,promise]
 excerpt: Creates a debounced function that returns a promise.
 cover: ice
-firstSeen: 2020-10-10T21:09:04+03:00
-lastUpdated: 2020-10-19T18:51:03+03:00
+dateModified: 2020-10-19T18:51:03+03:00
 ---
 
 Creates a debounced function that returns a promise, but delays invoking the provided function until at least `ms` milliseconds have elapsed since the last time it was invoked.
diff --git a/snippets/debounce.md b/snippets/debounce.md
index 73210f268..6d5fcdbf3 100644
--- a/snippets/debounce.md
+++ b/snippets/debounce.md
@@ -1,9 +1,9 @@
 ---
 title: Debounce function
-tags: function
+type: snippet
+tags: [function]
 cover: solitude-beach
-firstSeen: 2018-01-28T15:18:26+02:00
-lastUpdated: 2021-10-13T19:29:39+02:00
+dateModified: 2021-10-13T19:29:39+02:00
 ---
 
 Creates a debounced function that delays invoking the provided function until at least `ms` milliseconds have elapsed since its last invocation.
diff --git a/snippets/decapitalize.md b/snippets/decapitalize.md
index 96e5184f5..430b94690 100644
--- a/snippets/decapitalize.md
+++ b/snippets/decapitalize.md
@@ -1,9 +1,9 @@
 ---
 title: Decapitalize string
-tags: string
+type: snippet
+tags: [string]
 cover: forest-balcony
-firstSeen: 2018-01-11T11:58:40+02:00
-lastUpdated: 2020-11-01T20:50:57+02:00
+dateModified: 2020-11-01T20:50:57+02:00
 ---
 
 Decapitalizes the first letter of a string.
diff --git a/snippets/deep-clone.md b/snippets/deep-clone.md
index 6ba60fbcb..f6960ae53 100644
--- a/snippets/deep-clone.md
+++ b/snippets/deep-clone.md
@@ -1,9 +1,9 @@
 ---
 title: Deep clone object
-tags: object,recursion
+type: snippet
+tags: [object,recursion]
 cover: neon-desk-2
-firstSeen: 2018-01-23T20:48:46+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Creates a deep clone of an object.
diff --git a/snippets/deep-flatten.md b/snippets/deep-flatten.md
index 5949842c5..6b4508acc 100644
--- a/snippets/deep-flatten.md
+++ b/snippets/deep-flatten.md
@@ -1,9 +1,9 @@
 ---
 title: Deep flatten array
-tags: array,recursion
+type: snippet
+tags: [array,recursion]
 cover: digital-nomad-4
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Deep flattens an array.
diff --git a/snippets/deep-freeze.md b/snippets/deep-freeze.md
index b80ea6100..c41429e42 100644
--- a/snippets/deep-freeze.md
+++ b/snippets/deep-freeze.md
@@ -1,9 +1,9 @@
 ---
 title: Deep freeze object
-tags: object,recursion
+type: snippet
+tags: [object,recursion]
 cover: frozen-globe
-firstSeen: 2018-08-25T18:54:16+03:00
-lastUpdated: 2020-10-19T18:51:03+03:00
+dateModified: 2020-10-19T18:51:03+03:00
 ---
 
 Deep freezes an object.
diff --git a/snippets/deep-get.md b/snippets/deep-get.md
index f9712a993..4d2452b75 100644
--- a/snippets/deep-get.md
+++ b/snippets/deep-get.md
@@ -1,9 +1,9 @@
 ---
 title: Get nested value in object based on array of keys
-tags: object
+type: snippet
+tags: [object]
 cover: mask-quiet
-firstSeen: 2019-05-09T13:30:52+03:00
-lastUpdated: 2020-10-19T18:51:03+03:00
+dateModified: 2020-10-19T18:51:03+03:00
 ---
 
 Gets the target value in a nested JSON object, based on the `keys` array.
diff --git a/snippets/deep-map-keys.md b/snippets/deep-map-keys.md
index 01b04a69e..45c4df1f4 100644
--- a/snippets/deep-map-keys.md
+++ b/snippets/deep-map-keys.md
@@ -1,9 +1,9 @@
 ---
 title: Deep map object keys
-tags: object,recursion
+type: snippet
+tags: [object,recursion]
 cover: duck-plants
-firstSeen: 2018-11-29T15:22:53+02:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Deep maps an object's keys.
diff --git a/snippets/deep-merge.md b/snippets/deep-merge.md
index 270252444..cc9e9193b 100644
--- a/snippets/deep-merge.md
+++ b/snippets/deep-merge.md
@@ -1,9 +1,10 @@
 ---
 title: Deep merge objects
-tags: object,function
+type: snippet
+tags: [object,function]
 author: chalarangelo
 cover: coffee-drip
-firstSeen: 2021-07-25T05:00:00-04:00
+dateModified: 2021-07-25T05:00:00-04:00
 ---
 
 Deeply merges two objects, using a function to handle keys present in both.
diff --git a/snippets/defaults.md b/snippets/defaults.md
index 70126ad83..950ea274f 100644
--- a/snippets/defaults.md
+++ b/snippets/defaults.md
@@ -1,9 +1,9 @@
 ---
 title: Assign default values for object properties
-tags: object
+type: snippet
+tags: [object]
 cover: boats
-firstSeen: 2018-01-19T13:51:05+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Assigns default values for all properties in an object that are `undefined`.
diff --git a/snippets/defer.md b/snippets/defer.md
index cc920601a..0b1741e3b 100644
--- a/snippets/defer.md
+++ b/snippets/defer.md
@@ -1,9 +1,9 @@
 ---
 title: Defer function invocation
-tags: function
+type: snippet
+tags: [function]
 cover: cave-view
-firstSeen: 2018-01-01T23:40:31+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Defers invoking a function until the current call stack has cleared.
diff --git a/snippets/degrees-to-rads.md b/snippets/degrees-to-rads.md
index 8a6dadff3..3ab237f46 100644
--- a/snippets/degrees-to-rads.md
+++ b/snippets/degrees-to-rads.md
@@ -1,9 +1,9 @@
 ---
 title: Degrees to radians
-tags: math
+type: snippet
+tags: [math]
 cover: blue-flower
-firstSeen: 2018-02-14T12:24:50+02:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Converts an angle from degrees to radians.
diff --git a/snippets/delay.md b/snippets/delay.md
index fe4e3793f..f43ce6205 100644
--- a/snippets/delay.md
+++ b/snippets/delay.md
@@ -1,9 +1,9 @@
 ---
 title: Delay function execution
-tags: function
+type: snippet
+tags: [function]
 cover: interior-13
-firstSeen: 2018-01-24T14:32:20+02:00
-lastUpdated: 2020-10-19T18:51:03+03:00
+dateModified: 2020-10-19T18:51:03+03:00
 ---
 
 Invokes the provided function after `ms` milliseconds.
diff --git a/snippets/detect-device-type.md b/snippets/detect-device-type.md
index 9e835344c..825b024fd 100644
--- a/snippets/detect-device-type.md
+++ b/snippets/detect-device-type.md
@@ -1,9 +1,9 @@
 ---
 title: Detect device type
-tags: browser,regexp
+type: snippet
+tags: [browser,regexp]
 cover: clutter-2
-firstSeen: 2017-12-24T09:39:23+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Detects whether the page is being viewed on a mobile device or a desktop.
diff --git a/snippets/detect-language.md b/snippets/detect-language.md
index 07df7438c..931cd6b9f 100644
--- a/snippets/detect-language.md
+++ b/snippets/detect-language.md
@@ -1,9 +1,9 @@
 ---
 title: Detect language
-tags: browser
+type: snippet
+tags: [browser]
 cover: accessibility
-firstSeen: 2020-10-05T18:03:26+03:00
-lastUpdated: 2020-10-06T18:47:16+03:00
+dateModified: 2020-10-06T18:47:16+03:00
 ---
 
 Detects the preferred language of the current user.
diff --git a/snippets/difference-by.md b/snippets/difference-by.md
index a4d61523d..5146a0d1e 100644
--- a/snippets/difference-by.md
+++ b/snippets/difference-by.md
@@ -1,9 +1,9 @@
 ---
 title: Mapped array difference
-tags: array
+type: snippet
+tags: [array]
 cover: keyboard
-firstSeen: 2018-01-24T11:49:03+02:00
-lastUpdated: 2020-10-19T18:52:00+03:00
+dateModified: 2020-10-19T18:52:00+03:00
 ---
 
 Returns the difference between two arrays, after applying the provided function to each array element of both.
diff --git a/snippets/difference-with.md b/snippets/difference-with.md
index df39ea833..5f2ff83ac 100644
--- a/snippets/difference-with.md
+++ b/snippets/difference-with.md
@@ -1,9 +1,9 @@
 ---
 title: Array difference based on function
-tags: array
+type: snippet
+tags: [array]
 cover: folded-map
-firstSeen: 2017-12-19T12:32:24+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Filters out all values from an array for which the comparator function does not return `true`.
diff --git a/snippets/difference.md b/snippets/difference.md
index 0b67c29a1..13c26b0e0 100644
--- a/snippets/difference.md
+++ b/snippets/difference.md
@@ -1,9 +1,9 @@
 ---
 title: Array difference
-tags: array
+type: snippet
+tags: [array]
 cover: interior-3
-firstSeen: 2017-12-17T16:41:31+02:00
-lastUpdated: 2020-10-19T18:51:03+03:00
+dateModified: 2020-10-19T18:51:03+03:00
 ---
 
 Calculates the difference between two arrays, without filtering duplicate values.
diff --git a/snippets/dig.md b/snippets/dig.md
index 3b306c7c5..7a3594acb 100644
--- a/snippets/dig.md
+++ b/snippets/dig.md
@@ -1,9 +1,9 @@
 ---
 title: Get nested value in object
-tags: object,recursion
+type: snippet
+tags: [object,recursion]
 cover: brown-bird
-firstSeen: 2018-07-08T23:06:24+03:00
-lastUpdated: 2020-10-19T18:51:03+03:00
+dateModified: 2020-10-19T18:51:03+03:00
 ---
 
 Gets the target value in a nested JSON object, based on the given key.
diff --git a/snippets/digitize.md b/snippets/digitize.md
index 75a5dc7f2..14919c471 100644
--- a/snippets/digitize.md
+++ b/snippets/digitize.md
@@ -1,9 +1,9 @@
 ---
 title: Digitize number
-tags: math
+type: snippet
+tags: [math]
 cover: industrial-tokyo
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-18T14:58:09+03:00
+dateModified: 2020-10-18T14:58:09+03:00
 ---
 
 Converts a number to an array of digits, removing its sign if necessary.
diff --git a/snippets/distance.md b/snippets/distance.md
index 2daaf9971..7ea09f7b0 100644
--- a/snippets/distance.md
+++ b/snippets/distance.md
@@ -1,9 +1,9 @@
 ---
 title: Distance between two points
-tags: math,algorithm
+type: snippet
+tags: [math,algorithm]
 cover: measuring
-firstSeen: 2017-12-17T16:41:31+02:00
-lastUpdated: 2020-12-28T13:49:24+02:00
+dateModified: 2020-12-28T13:49:24+02:00
 ---
 
 Calculates the distance between two points.
diff --git a/snippets/divmod.md b/snippets/divmod.md
index 979e6429c..141d4a025 100644
--- a/snippets/divmod.md
+++ b/snippets/divmod.md
@@ -1,9 +1,9 @@
 ---
 title: Quotient and module of division
-tags: math
+type: snippet
+tags: [math]
 cover: italian-horizon
-firstSeen: 2020-10-07T23:59:13+03:00
-lastUpdated: 2020-10-07T23:59:13+03:00
+dateModified: 2020-10-07T23:59:13+03:00
 ---
 
 Returns an array consisting of the quotient and remainder of the given numbers.
diff --git a/snippets/drop-right-while.md b/snippets/drop-right-while.md
index c73bddd6f..e3be1a373 100644
--- a/snippets/drop-right-while.md
+++ b/snippets/drop-right-while.md
@@ -1,9 +1,9 @@
 ---
 title: Drop list elements from the right based on function
-tags: array
+type: snippet
+tags: [array]
 cover: bridge-drop
-firstSeen: 2018-01-26T12:23:18+02:00
-lastUpdated: 2020-10-19T18:51:03+03:00
+dateModified: 2020-10-19T18:51:03+03:00
 ---
 
 Removes elements from the end of an array until the passed function returns `true`.
diff --git a/snippets/drop-right.md b/snippets/drop-right.md
index 9614c7c92..5fe7f0f36 100644
--- a/snippets/drop-right.md
+++ b/snippets/drop-right.md
@@ -1,9 +1,9 @@
 ---
 title: Drop list elements from the right
-tags: array
+type: snippet
+tags: [array]
 cover: messy-papers
-firstSeen: 2017-12-19T12:06:47+02:00
-lastUpdated: 2020-11-01T20:50:57+02:00
+dateModified: 2020-11-01T20:50:57+02:00
 ---
 
 Creates a new array with `n` elements removed from the right.
diff --git a/snippets/drop-while.md b/snippets/drop-while.md
index 3e865231f..e0dc69dbd 100644
--- a/snippets/drop-while.md
+++ b/snippets/drop-while.md
@@ -1,9 +1,9 @@
 ---
 title: Drop list elements from the left based on function
-tags: array
+type: snippet
+tags: [array]
 cover: colorful-lounge
-firstSeen: 2018-01-26T12:23:18+02:00
-lastUpdated: 2020-10-19T18:51:03+03:00
+dateModified: 2020-10-19T18:51:03+03:00
 ---
 
 Removes elements in an array until the passed function returns `true`.
diff --git a/snippets/drop.md b/snippets/drop.md
index 371e1924a..9f851a5b8 100644
--- a/snippets/drop.md
+++ b/snippets/drop.md
@@ -1,9 +1,9 @@
 ---
 title: Drop list elements from the left
-tags: array
+type: snippet
+tags: [array]
 cover: bridge-drop
-firstSeen: 2018-01-26T12:23:18+02:00
-lastUpdated: 2020-11-01T20:50:57+02:00
+dateModified: 2020-11-01T20:50:57+02:00
 ---
 
 Creates a new array with `n` elements removed from the left.
diff --git a/snippets/either.md b/snippets/either.md
index a11754a80..1685f49cf 100644
--- a/snippets/either.md
+++ b/snippets/either.md
@@ -1,9 +1,9 @@
 ---
 title: Logical or for functions
-tags: function,logic
+type: snippet
+tags: [function,logic]
 cover: man-red-sunset
-firstSeen: 2020-05-13T11:35:46+03:00
-lastUpdated: 2020-10-19T18:51:03+03:00
+dateModified: 2020-10-19T18:51:03+03:00
 ---
 
 Checks if at least one function returns `true` for a given set of arguments.
diff --git a/snippets/element-contains.md b/snippets/element-contains.md
index 281181778..4a2d4eb06 100644
--- a/snippets/element-contains.md
+++ b/snippets/element-contains.md
@@ -1,9 +1,9 @@
 ---
 title: Element contains another element
-tags: browser
+type: snippet
+tags: [browser]
 cover: red-petals
-firstSeen: 2018-06-19T20:57:58+03:00
-lastUpdated: 2020-11-03T22:11:18+02:00
+dateModified: 2020-11-03T22:11:18+02:00
 ---
 
 Checks if the `parent` element contains the `child` element.
diff --git a/snippets/element-is-focused.md b/snippets/element-is-focused.md
index bd86ea9f1..1e058df4b 100644
--- a/snippets/element-is-focused.md
+++ b/snippets/element-is-focused.md
@@ -1,10 +1,10 @@
 ---
 title: Element is focused
-tags: browser
+type: snippet
+tags: [browser]
 author: chalarangelo
 cover: ice
-firstSeen: 2020-08-07T15:21:27+03:00
-lastUpdated: 2020-10-19T18:51:03+03:00
+dateModified: 2020-10-19T18:51:03+03:00
 ---
 
 Checks if the given element is focused.
diff --git a/snippets/element-is-visible-in-viewport.md b/snippets/element-is-visible-in-viewport.md
index 2d28bae6f..52fa6afc4 100644
--- a/snippets/element-is-visible-in-viewport.md
+++ b/snippets/element-is-visible-in-viewport.md
@@ -1,9 +1,9 @@
 ---
 title: Element is visible in viewport
-tags: browser
+type: snippet
+tags: [browser]
 cover: flower-portrait-1
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Checks if the element specified is visible in the viewport.
diff --git a/snippets/ends-with-substring.md b/snippets/ends-with-substring.md
index 84138934f..a018d26b2 100644
--- a/snippets/ends-with-substring.md
+++ b/snippets/ends-with-substring.md
@@ -1,10 +1,11 @@
 ---
 title: String ends with substring
+type: snippet
 shortTitle: Ends with substring
-tags: string
+tags: [string]
 cover: boutique-home-office-4
 author: chalarangelo
-firstSeen: 2022-08-01T05:00:00-04:00
+dateModified: 2022-08-01T05:00:00-04:00
 ---
 
 Checks if a given string ends with a substring of another string.
diff --git a/snippets/equals.md b/snippets/equals.md
index f8340451e..c138112dd 100644
--- a/snippets/equals.md
+++ b/snippets/equals.md
@@ -1,9 +1,9 @@
 ---
 title: Check object equality
-tags: object,array,type,recursion
+type: snippet
+tags: [object,array,type,recursion]
 cover: beach-pineapple
-firstSeen: 2018-01-15T18:34:11+02:00
-lastUpdated: 2021-10-13T19:29:39+02:00
+dateModified: 2021-10-13T19:29:39+02:00
 ---
 
 Performs a deep comparison between two values to determine if they are equivalent.
diff --git a/snippets/escape-html.md b/snippets/escape-html.md
index 9856fd65f..a9015eeb3 100644
--- a/snippets/escape-html.md
+++ b/snippets/escape-html.md
@@ -1,9 +1,9 @@
 ---
 title: Escape HTML
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 cover: periscope
-firstSeen: 2017-12-29T15:09:21+02:00
-lastUpdated: 2021-10-13T19:29:39+02:00
+dateModified: 2021-10-13T19:29:39+02:00
 ---
 
 Escapes a string for use in HTML.
diff --git a/snippets/escape-reg-exp.md b/snippets/escape-reg-exp.md
index 72fd48228..e27d556a9 100644
--- a/snippets/escape-reg-exp.md
+++ b/snippets/escape-reg-exp.md
@@ -1,9 +1,9 @@
 ---
 title: Escape RegExp
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 cover: frog-blue-flower
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Escapes a string to use in a regular expression.
diff --git a/snippets/euclidean-distance.md b/snippets/euclidean-distance.md
index 610812927..6bc808375 100644
--- a/snippets/euclidean-distance.md
+++ b/snippets/euclidean-distance.md
@@ -1,10 +1,10 @@
 ---
 title: Euclidean distance
-tags: math,algorithm
+type: snippet
+tags: [math,algorithm]
 author: chalarangelo
 cover: ancient-greek-building
-firstSeen: 2020-12-28T13:41:19+02:00
-lastUpdated: 2020-12-28T13:41:19+02:00
+dateModified: 2020-12-28T13:41:19+02:00
 ---
 
 Calculates the distance between two points in any number of dimensions.
diff --git a/snippets/every-nth.md b/snippets/every-nth.md
index b028c5f20..d0a62e9e1 100644
--- a/snippets/every-nth.md
+++ b/snippets/every-nth.md
@@ -1,9 +1,9 @@
 ---
 title: Every nth element
-tags: array
+type: snippet
+tags: [array]
 cover: dark-leaves-6
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-19T18:51:03+03:00
+dateModified: 2020-10-19T18:51:03+03:00
 ---
 
 Returns every `nth` element in an array.
diff --git a/snippets/expand-tabs.md b/snippets/expand-tabs.md
index f8aa37144..4da215b19 100644
--- a/snippets/expand-tabs.md
+++ b/snippets/expand-tabs.md
@@ -1,10 +1,10 @@
 ---
 title: Expand tabs into spaces
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 author: chalarangelo
 cover: houses-rock-sea
-firstSeen: 2020-06-01T17:05:39+03:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Convert tabs to spaces, where each tab corresponds to `count` spaces.
diff --git a/snippets/extend-hex.md b/snippets/extend-hex.md
index d63148a26..e3cac9ac6 100644
--- a/snippets/extend-hex.md
+++ b/snippets/extend-hex.md
@@ -1,9 +1,9 @@
 ---
 title: Extend hex value
-tags: string
+type: snippet
+tags: [string]
 cover: red-mountain
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Extends a 3-digit color code to a 6-digit color code.
diff --git a/snippets/factorial.md b/snippets/factorial.md
index 8b7e90076..420a28f87 100644
--- a/snippets/factorial.md
+++ b/snippets/factorial.md
@@ -1,9 +1,9 @@
 ---
 title: Factorial of number
-tags: math,algorithm,recursion
+type: snippet
+tags: [math,algorithm,recursion]
 cover: flower-vase
-firstSeen: 2017-12-07T14:41:33+02:00
-lastUpdated: 2020-12-28T13:49:24+02:00
+dateModified: 2020-12-28T13:49:24+02:00
 ---
 
 Calculates the factorial of a number.
diff --git a/snippets/fahrenheit-to-celsius.md b/snippets/fahrenheit-to-celsius.md
index b3f5690ed..51b5fa7b0 100644
--- a/snippets/fahrenheit-to-celsius.md
+++ b/snippets/fahrenheit-to-celsius.md
@@ -1,10 +1,10 @@
 ---
 title: Fahrenheit to Celsius
-tags: math
+type: snippet
+tags: [math]
 unlisted: true
 cover: last-light
-firstSeen: 2020-04-16T11:00:06+03:00
-lastUpdated: 2021-01-04T13:04:15+02:00
+dateModified: 2021-01-04T13:04:15+02:00
 ---
 
 Converts Fahrenheit to Celsius.
diff --git a/snippets/fibonacci.md b/snippets/fibonacci.md
index 2aaaf88b6..cfbb1f219 100644
--- a/snippets/fibonacci.md
+++ b/snippets/fibonacci.md
@@ -1,9 +1,9 @@
 ---
 title: Fibonacci
-tags: math,algorithm
+type: snippet
+tags: [math,algorithm]
 cover: highlands
-firstSeen: 2017-12-17T16:41:31+02:00
-lastUpdated: 2020-12-28T13:49:24+02:00
+dateModified: 2020-12-28T13:49:24+02:00
 ---
 
 Generates an array, containing the Fibonacci sequence, up until the nth term.
diff --git a/snippets/filter-non-unique-by.md b/snippets/filter-non-unique-by.md
index 7e1b179ce..1d9171219 100644
--- a/snippets/filter-non-unique-by.md
+++ b/snippets/filter-non-unique-by.md
@@ -1,9 +1,9 @@
 ---
 title: Filter non-unique array values based on function
-tags: array
+type: snippet
+tags: [array]
 cover: digital-nomad-16
-firstSeen: 2018-07-18T20:40:53+03:00
-lastUpdated: 2020-11-02T19:40:27+02:00
+dateModified: 2020-11-02T19:40:27+02:00
 ---
 
 Creates an array with the non-unique values filtered out, based on a provided comparator function.
diff --git a/snippets/filter-non-unique.md b/snippets/filter-non-unique.md
index 17521d169..2cbe4f09d 100644
--- a/snippets/filter-non-unique.md
+++ b/snippets/filter-non-unique.md
@@ -1,9 +1,9 @@
 ---
 title: Filter non-unique array values
-tags: array
+type: snippet
+tags: [array]
 cover: digital-nomad-10
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-11-02T19:40:45+02:00
+dateModified: 2020-11-02T19:40:45+02:00
 ---
 
 Creates an array with the non-unique values filtered out.
diff --git a/snippets/filter-unique-by.md b/snippets/filter-unique-by.md
index 59ed43a8e..61a73ad42 100644
--- a/snippets/filter-unique-by.md
+++ b/snippets/filter-unique-by.md
@@ -1,9 +1,9 @@
 ---
 title: Filter unique array values based on function
-tags: array
+type: snippet
+tags: [array]
 cover: washed-ashore
-firstSeen: 2020-11-02T19:41:07+02:00
-lastUpdated: 2020-11-02T19:41:07+02:00
+dateModified: 2020-11-02T19:41:07+02:00
 ---
 
 Creates an array with the unique values filtered out, based on a provided comparator function.
diff --git a/snippets/filter-unique.md b/snippets/filter-unique.md
index 93c5b4a7e..7820661c1 100644
--- a/snippets/filter-unique.md
+++ b/snippets/filter-unique.md
@@ -1,9 +1,9 @@
 ---
 title: Filter unique array values
-tags: array
+type: snippet
+tags: [array]
 cover: tulips-and-reeds
-firstSeen: 2020-11-02T19:41:00+02:00
-lastUpdated: 2020-11-02T19:41:00+02:00
+dateModified: 2020-11-02T19:41:00+02:00
 ---
 
 Creates an array with the unique values filtered out.
diff --git a/snippets/find-closest-anchor.md b/snippets/find-closest-anchor.md
index 088a6e5e8..eca1ab156 100644
--- a/snippets/find-closest-anchor.md
+++ b/snippets/find-closest-anchor.md
@@ -1,10 +1,10 @@
 ---
 title: Find closest anchor
-tags: browser
+type: snippet
+tags: [browser]
 author: chalarangelo
 cover: colorful-lounge
-firstSeen: 2021-04-22T08:45:39+03:00
-lastUpdated: 2021-04-22T08:45:39+03:00
+dateModified: 2021-04-22T08:45:39+03:00
 ---
 
 Finds the anchor node closest to the given `node`, if any.
diff --git a/snippets/find-closest-matching-node.md b/snippets/find-closest-matching-node.md
index df9fcede4..c834edf55 100644
--- a/snippets/find-closest-matching-node.md
+++ b/snippets/find-closest-matching-node.md
@@ -1,10 +1,10 @@
 ---
 title: Find closest matching node
-tags: browser
+type: snippet
+tags: [browser]
 author: chalarangelo
 cover: flowering-hills
-firstSeen: 2021-04-22T08:45:39+03:00
-lastUpdated: 2021-04-22T08:45:39+03:00
+dateModified: 2021-04-22T08:45:39+03:00
 ---
 
 Finds the closest matching node starting at the given `node`.
diff --git a/snippets/find-consecutive.md b/snippets/find-consecutive.md
index de786eb57..bd5ed646b 100644
--- a/snippets/find-consecutive.md
+++ b/snippets/find-consecutive.md
@@ -1,9 +1,10 @@
 ---
 title: Arrays of consecutive elements
-tags: array
+type: snippet
+tags: [array]
 author: chalarangelo
 cover: colorful-pots
-firstSeen: 2022-04-06T05:00:00-04:00
+dateModified: 2022-04-06T05:00:00-04:00
 ---
 
 Finds all arrays of consecutive elements.
diff --git a/snippets/find-first-n.md b/snippets/find-first-n.md
index 6c29617aa..bf5bc3c78 100644
--- a/snippets/find-first-n.md
+++ b/snippets/find-first-n.md
@@ -1,9 +1,9 @@
 ---
 title: Find first n matches
-tags: array
+type: snippet
+tags: [array]
 cover: digital-nomad-5
-firstSeen: 2021-05-09T13:31:36+03:00
-lastUpdated: 2021-05-09T13:31:36+03:00
+dateModified: 2021-05-09T13:31:36+03:00
 ---
 
 Finds the first `n` elements for which the provided function returns a truthy value.
diff --git a/snippets/find-key.md b/snippets/find-key.md
index 35857428d..b51edd076 100644
--- a/snippets/find-key.md
+++ b/snippets/find-key.md
@@ -1,9 +1,9 @@
 ---
 title: Find first matching key
-tags: object
+type: snippet
+tags: [object]
 cover: succulent-crowd
-firstSeen: 2018-01-23T18:23:20+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Finds the first key that satisfies the provided testing function.
diff --git a/snippets/find-keys.md b/snippets/find-keys.md
index bc7c79910..28f2481c1 100644
--- a/snippets/find-keys.md
+++ b/snippets/find-keys.md
@@ -1,9 +1,9 @@
 ---
 title: Find matching keys
-tags: object
+type: snippet
+tags: [object]
 cover: beach-riders
-firstSeen: 2020-10-25T09:59:13+02:00
-lastUpdated: 2020-11-15T14:43:44+02:00
+dateModified: 2020-11-15T14:43:44+02:00
 ---
 
 Finds all the keys in the provided object that match the given value.
diff --git a/snippets/find-last-index.md b/snippets/find-last-index.md
index d1ae4895e..04513bc49 100644
--- a/snippets/find-last-index.md
+++ b/snippets/find-last-index.md
@@ -1,9 +1,9 @@
 ---
 title: Find last matching index
-tags: array
+type: snippet
+tags: [array]
 cover: taking-photos
-firstSeen: 2018-01-24T13:01:51+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Finds the index of the last element for which the provided function returns a truthy value.
diff --git a/snippets/find-last-key.md b/snippets/find-last-key.md
index 2d788d95c..46db2cf00 100644
--- a/snippets/find-last-key.md
+++ b/snippets/find-last-key.md
@@ -1,9 +1,9 @@
 ---
 title: Find last matching key
-tags: object
+type: snippet
+tags: [object]
 cover: sparkles
-firstSeen: 2018-01-23T18:23:20+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Finds the last key that satisfies the provided testing function.
diff --git a/snippets/find-last-n.md b/snippets/find-last-n.md
index 0a6548aec..09ec364ed 100644
--- a/snippets/find-last-n.md
+++ b/snippets/find-last-n.md
@@ -1,9 +1,9 @@
 ---
 title: Find last n matches
-tags: array
+type: snippet
+tags: [array]
 cover: interior-16
-firstSeen: 2021-05-09T13:31:36+03:00
-lastUpdated: 2021-05-09T13:31:36+03:00
+dateModified: 2021-05-09T13:31:36+03:00
 ---
 
 Finds the last `n` elements for which the provided function returns a truthy value.
diff --git a/snippets/find-last.md b/snippets/find-last.md
index 258724656..c47489a9c 100644
--- a/snippets/find-last.md
+++ b/snippets/find-last.md
@@ -1,9 +1,9 @@
 ---
 title: Find last matching value
-tags: array
+type: snippet
+tags: [array]
 cover: misty-mountains
-firstSeen: 2018-01-11T13:51:58+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Finds the last element for which the provided function returns a truthy value.
diff --git a/snippets/first-n.md b/snippets/first-n.md
index 5098af7b5..b6426cffb 100644
--- a/snippets/first-n.md
+++ b/snippets/first-n.md
@@ -1,9 +1,10 @@
 ---
 title: First n elements
-tags: array
+type: snippet
+tags: [array]
 author: chalarangelo
 cover: digital-nomad-16
-firstSeen: 2022-07-22T05:00:00-04:00
+dateModified: 2022-07-22T05:00:00-04:00
 ---
 
 Gets the first `n` elements of an array.
diff --git a/snippets/flags.md b/snippets/flags.md
index abaaa760a..731c7234d 100644
--- a/snippets/flags.md
+++ b/snippets/flags.md
@@ -1,9 +1,10 @@
 ---
 title: Array to flags object
-tags: array,object
+type: snippet
+tags: [array,object]
 author: chalarangelo
 cover: glass-blowing
-firstSeen: 2022-04-12T05:00:00-04:00
+dateModified: 2022-04-12T05:00:00-04:00
 ---
 
 Converts an array of strings into an object mapping to true.
diff --git a/snippets/flat-iterator.md b/snippets/flat-iterator.md
index ae16e854d..97e4288f6 100644
--- a/snippets/flat-iterator.md
+++ b/snippets/flat-iterator.md
@@ -1,9 +1,10 @@
 ---
 title: Flat iterator
-tags: array,iterator,generator
+type: snippet
+tags: [array,iterator,generator]
 author: chalarangelo
 cover: balloons
-firstSeen: 2022-03-09T05:00:00-04:00
+dateModified: 2022-03-09T05:00:00-04:00
 ---
 
 Creates a generator that iterates over an iterable, flattening nested iterables.
diff --git a/snippets/flatten-object.md b/snippets/flatten-object.md
index 30b4890af..bb38946e4 100644
--- a/snippets/flatten-object.md
+++ b/snippets/flatten-object.md
@@ -1,9 +1,9 @@
 ---
 title: Flatten object
-tags: object,recursion
+type: snippet
+tags: [object,recursion]
 cover: lighthouse
-firstSeen: 2018-02-07T11:30:18+02:00
-lastUpdated: 2020-10-19T18:51:03+03:00
+dateModified: 2020-10-19T18:51:03+03:00
 ---
 
 Flattens an object with the paths for keys.
diff --git a/snippets/flatten.md b/snippets/flatten.md
index 9e3f5aa6f..ece9058b4 100644
--- a/snippets/flatten.md
+++ b/snippets/flatten.md
@@ -1,9 +1,9 @@
 ---
 title: Flatten array
-tags: array,recursion
+type: snippet
+tags: [array,recursion]
 cover: green-plant
-firstSeen: 2017-12-17T16:41:31+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Flattens an array up to the specified depth.
diff --git a/snippets/flip.md b/snippets/flip.md
index 9ee6c5f50..1dacfbe6b 100644
--- a/snippets/flip.md
+++ b/snippets/flip.md
@@ -1,9 +1,9 @@
 ---
 title: Flip function arguments
-tags: function
+type: snippet
+tags: [function]
 cover: interior-11
-firstSeen: 2017-12-22T02:42:15+02:00
-lastUpdated: 2021-06-13T13:50:25+03:00
+dateModified: 2021-06-13T13:50:25+03:00
 ---
 
 Takes a function as an argument, then makes the first argument the last.
diff --git a/snippets/for-each-right.md b/snippets/for-each-right.md
index 0051f2ca9..85bb44098 100644
--- a/snippets/for-each-right.md
+++ b/snippets/for-each-right.md
@@ -1,9 +1,9 @@
 ---
 title: Execute function for each array element in reverse
-tags: array
+type: snippet
+tags: [array]
 cover: interior-6
-firstSeen: 2018-01-09T01:38:50+02:00
-lastUpdated: 2020-10-19T22:49:51+03:00
+dateModified: 2020-10-19T22:49:51+03:00
 ---
 
 Executes a provided function once for each array element, starting from the array's last element.
diff --git a/snippets/for-own-right.md b/snippets/for-own-right.md
index 4d681188d..4375e8a3c 100644
--- a/snippets/for-own-right.md
+++ b/snippets/for-own-right.md
@@ -1,9 +1,9 @@
 ---
 title: Iterate over object's own properties in reverse
-tags: object
+type: snippet
+tags: [object]
 cover: sea-view
-firstSeen: 2018-01-18T16:45:56+02:00
-lastUpdated: 2020-10-19T22:49:51+03:00
+dateModified: 2020-10-19T22:49:51+03:00
 ---
 
 Iterates over all own properties of an object in reverse, running a callback for each one.
diff --git a/snippets/for-own.md b/snippets/for-own.md
index 36cb9e0fe..de72704b8 100644
--- a/snippets/for-own.md
+++ b/snippets/for-own.md
@@ -1,9 +1,9 @@
 ---
 title: Iterate over object's own properties
-tags: object
+type: snippet
+tags: [object]
 cover: blank-card
-firstSeen: 2018-01-18T16:45:56+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Iterates over all own properties of an object, running a callback for each one.
diff --git a/snippets/form-to-object.md b/snippets/form-to-object.md
index 2a8774569..f20e2e05a 100644
--- a/snippets/form-to-object.md
+++ b/snippets/form-to-object.md
@@ -1,9 +1,9 @@
 ---
 title: Form to object
-tags: browser,object
+type: snippet
+tags: [browser,object]
 cover: sail-away-2
-firstSeen: 2019-03-13T14:50:06+02:00
-lastUpdated: 2020-10-19T22:49:51+03:00
+dateModified: 2020-10-19T22:49:51+03:00
 ---
 
 Encodes a set of form elements as an `object`.
diff --git a/snippets/format-duration.md b/snippets/format-duration.md
index 669a1c328..10005d51d 100644
--- a/snippets/format-duration.md
+++ b/snippets/format-duration.md
@@ -1,9 +1,9 @@
 ---
 title: Format duration
-tags: date,math,string
+type: snippet
+tags: [date,math,string]
 cover: clock
-firstSeen: 2018-01-04T09:26:42+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Returns the human-readable format of the given number of milliseconds.
diff --git a/snippets/format-number.md b/snippets/format-number.md
index 8bebd830d..351167692 100644
--- a/snippets/format-number.md
+++ b/snippets/format-number.md
@@ -1,9 +1,9 @@
 ---
 title: Format number
-tags: string,math
+type: snippet
+tags: [string,math]
 cover: laptop-plants
-firstSeen: 2020-07-30T11:38:51+03:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Formats a number using the local number format order.
diff --git a/snippets/format-seconds.md b/snippets/format-seconds.md
index 71930a0d7..a68ac6f27 100644
--- a/snippets/format-seconds.md
+++ b/snippets/format-seconds.md
@@ -1,9 +1,9 @@
 ---
 title: Number of seconds to ISO format
-tags: date,math,string
+type: snippet
+tags: [date,math,string]
 cover: rocky-mountains
-firstSeen: 2021-05-09T12:44:55+03:00
-lastUpdated: 2021-10-13T19:29:39+02:00
+dateModified: 2021-10-13T19:29:39+02:00
 ---
 
 Returns the ISO format of the given number of seconds.
diff --git a/snippets/frequencies.md b/snippets/frequencies.md
index 18f762248..39a3cd510 100644
--- a/snippets/frequencies.md
+++ b/snippets/frequencies.md
@@ -1,10 +1,10 @@
 ---
 title: Value frequencies
-tags: array,object
+type: snippet
+tags: [array,object]
 author: chalarangelo
 cover: tropical-waterfall
-firstSeen: 2020-01-03T15:32:35+02:00
-lastUpdated: 2020-10-19T22:49:51+03:00
+dateModified: 2020-10-19T22:49:51+03:00
 ---
 
 Creates an object with the unique values of an array as keys and their frequencies as the values.
diff --git a/snippets/from-camel-case.md b/snippets/from-camel-case.md
index 324357616..41e6cc6dd 100644
--- a/snippets/from-camel-case.md
+++ b/snippets/from-camel-case.md
@@ -1,9 +1,9 @@
 ---
 title: String from camelcase
-tags: string
+type: snippet
+tags: [string]
 cover: mountain-lake-cottage
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Converts a string from camelcase.
diff --git a/snippets/from-timestamp.md b/snippets/from-timestamp.md
index 5071aadfc..9d0fd1a43 100644
--- a/snippets/from-timestamp.md
+++ b/snippets/from-timestamp.md
@@ -1,9 +1,9 @@
 ---
 title: Date from Unix timestamp
-tags: date
+type: snippet
+tags: [date]
 cover: number-2
-firstSeen: 2020-10-15T21:57:17+03:00
-lastUpdated: 2020-10-15T21:57:17+03:00
+dateModified: 2020-10-15T21:57:17+03:00
 ---
 
 Creates a `Date` object from a Unix timestamp.
diff --git a/snippets/frozen-set.md b/snippets/frozen-set.md
index f6748c173..be0230229 100644
--- a/snippets/frozen-set.md
+++ b/snippets/frozen-set.md
@@ -1,9 +1,9 @@
 ---
 title: Freeze Set object
-tags: array
+type: snippet
+tags: [array]
 cover: frozen-globe
-firstSeen: 2020-10-11T11:52:48+03:00
-lastUpdated: 2020-10-11T11:52:48+03:00
+dateModified: 2020-10-11T11:52:48+03:00
 ---
 
 Creates a frozen `Set` object.
diff --git a/snippets/fullscreen.md b/snippets/fullscreen.md
index 120a3a5f6..00cdccbdb 100644
--- a/snippets/fullscreen.md
+++ b/snippets/fullscreen.md
@@ -1,9 +1,9 @@
 ---
 title: Toggle fullscreen mode
-tags: browser
+type: snippet
+tags: [browser]
 cover: antelope
-firstSeen: 2020-10-04T16:48:00+03:00
-lastUpdated: 2020-10-19T22:49:51+03:00
+dateModified: 2020-10-19T22:49:51+03:00
 ---
 
 Opens or closes an element in fullscreen mode.
diff --git a/snippets/function-name.md b/snippets/function-name.md
index 1ce7ac933..8c51e0749 100644
--- a/snippets/function-name.md
+++ b/snippets/function-name.md
@@ -1,9 +1,9 @@
 ---
 title: Get function name
-tags: function
+type: snippet
+tags: [function]
 cover: flower-portrait-5
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-19T22:49:51+03:00
+dateModified: 2020-10-19T22:49:51+03:00
 ---
 
 Logs the name of a function.
diff --git a/snippets/functions.md b/snippets/functions.md
index 8d4ec7461..d9ce411f7 100644
--- a/snippets/functions.md
+++ b/snippets/functions.md
@@ -1,9 +1,9 @@
 ---
 title: Function property names
-tags: object,function
+type: snippet
+tags: [object,function]
 cover: palm-tree-house
-firstSeen: 2018-01-11T21:18:58+02:00
-lastUpdated: 2020-10-20T11:21:07+03:00
+dateModified: 2020-10-20T11:21:07+03:00
 ---
 
 Gets an array of function property names from own (and optionally inherited) enumerable properties of an object.
diff --git a/snippets/gcd.md b/snippets/gcd.md
index 578fa4467..8c9edb689 100644
--- a/snippets/gcd.md
+++ b/snippets/gcd.md
@@ -1,9 +1,9 @@
 ---
 title: Greatest common divisor
-tags: math,algorithm,recursion
+type: snippet
+tags: [math,algorithm,recursion]
 cover: flower-pond
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-12-29T12:36:50+02:00
+dateModified: 2020-12-29T12:36:50+02:00
 ---
 
 Calculates the greatest common divisor between two or more numbers/arrays.
diff --git a/snippets/generate-items.md b/snippets/generate-items.md
index b28301162..8e05f73d3 100644
--- a/snippets/generate-items.md
+++ b/snippets/generate-items.md
@@ -1,9 +1,9 @@
 ---
 title: Generate items
-tags: array,function
+type: snippet
+tags: [array,function]
 cover: generator
-firstSeen: 2020-10-09T20:41:21+03:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Generates an array with the given amount of items, using the given function.
diff --git a/snippets/generate-until.md b/snippets/generate-until.md
index 3ccbaf93d..f8d184716 100644
--- a/snippets/generate-until.md
+++ b/snippets/generate-until.md
@@ -1,9 +1,10 @@
 ---
 title: Generate until condition is met
-tags: function,generator
+type: snippet
+tags: [function,generator]
 author: chalarangelo
 cover: type-stamps
-firstSeen: 2022-01-21T05:00:00-04:00
+dateModified: 2022-01-21T05:00:00-04:00
 ---
 
 Creates a generator, that keeps producing new values until the given condition is met.
diff --git a/snippets/generate-while.md b/snippets/generate-while.md
index 5ee5f20b9..0d7c2e0cd 100644
--- a/snippets/generate-while.md
+++ b/snippets/generate-while.md
@@ -1,9 +1,10 @@
 ---
 title: Generate while condition is met
-tags: function,generator
+type: snippet
+tags: [function,generator]
 author: chalarangelo
 cover: lake-loop
-firstSeen: 2022-01-21T05:00:00-04:00
+dateModified: 2022-01-21T05:00:00-04:00
 ---
 
 Creates a generator, that keeps producing new values as long as the given condition is met.
diff --git a/snippets/generator-to-array.md b/snippets/generator-to-array.md
index 3ebb0d048..494e390f6 100644
--- a/snippets/generator-to-array.md
+++ b/snippets/generator-to-array.md
@@ -1,10 +1,10 @@
 ---
 title: Generator to array
-tags: function,array,generator
+type: snippet
+tags: [function,array,generator]
 author: chalarangelo
 cover: messy-papers
-firstSeen: 2020-12-31T13:22:18+02:00
-lastUpdated: 2020-12-31T13:22:18+02:00
+dateModified: 2020-12-31T13:22:18+02:00
 ---
 
 Converts the output of a generator function to an array.
diff --git a/snippets/geometric-progression.md b/snippets/geometric-progression.md
index 474608676..b4c9fc1af 100644
--- a/snippets/geometric-progression.md
+++ b/snippets/geometric-progression.md
@@ -1,10 +1,10 @@
 ---
 title: Geometric progression
-tags: math,algorithm
+type: snippet
+tags: [math,algorithm]
 cover: book-chair
 excerpt: Initializes an array containing the numbers in the specified geometric progression range.
-firstSeen: 2018-01-03T09:36:23+02:00
-lastUpdated: 2020-12-28T13:49:24+02:00
+dateModified: 2020-12-28T13:49:24+02:00
 ---
 
 Initializes an array containing the numbers in the specified range where `start` and `end` are inclusive and the ratio between two terms is `step`.
diff --git a/snippets/get-ancestors.md b/snippets/get-ancestors.md
index 56fa6da9a..33dbc468f 100644
--- a/snippets/get-ancestors.md
+++ b/snippets/get-ancestors.md
@@ -1,10 +1,10 @@
 ---
 title: Get element ancestors
-tags: browser
+type: snippet
+tags: [browser]
 author: chalarangelo
 cover: interior-8
-firstSeen: 2020-10-15T09:28:34+03:00
-lastUpdated: 2021-01-05T22:45:34+02:00
+dateModified: 2021-01-05T22:45:34+02:00
 ---
 
 Returns all the ancestors of an element from the document root to the given element.
diff --git a/snippets/get-base-url.md b/snippets/get-base-url.md
index 20ea21fb2..ab93d147f 100644
--- a/snippets/get-base-url.md
+++ b/snippets/get-base-url.md
@@ -1,10 +1,10 @@
 ---
 title: Get base URL
-tags: string,browser,regexp
+type: snippet
+tags: [string,browser,regexp]
 author: chalarangelo
 cover: compass
-firstSeen: 2020-05-03T12:20:54+03:00
-lastUpdated: 2021-01-03T20:32:13+02:00
+dateModified: 2021-01-03T20:32:13+02:00
 ---
 
 Gets the current URL without any parameters or fragment identifiers.
diff --git a/snippets/get-cmd-args.md b/snippets/get-cmd-args.md
index 3da853f12..e41461f6b 100644
--- a/snippets/get-cmd-args.md
+++ b/snippets/get-cmd-args.md
@@ -1,9 +1,10 @@
 ---
 title: Command-line arguments
-tags: node
+type: snippet
+tags: [node]
 author: chalarangelo
 cover: terminal
-firstSeen: 2022-04-26T05:00:00-04:00
+dateModified: 2022-04-26T05:00:00-04:00
 ---
 
 Gets the command-line arguments passed to a Node.js script.
diff --git a/snippets/get-colon-time-from-date.md b/snippets/get-colon-time-from-date.md
index 87c6ca3d2..121a469b2 100644
--- a/snippets/get-colon-time-from-date.md
+++ b/snippets/get-colon-time-from-date.md
@@ -1,9 +1,9 @@
 ---
 title: Get colon time from date
-tags: date,string
+type: snippet
+tags: [date,string]
 cover: digital-nomad-5
-firstSeen: 2018-01-13T17:14:48+02:00
-lastUpdated: 2020-10-19T22:49:51+03:00
+dateModified: 2020-10-19T22:49:51+03:00
 ---
 
 Returns a string of the form `HH:MM:SS` from a `Date` object.
diff --git a/snippets/get-days-diff-between-dates.md b/snippets/get-days-diff-between-dates.md
index c7c2e9819..f7b8a8730 100644
--- a/snippets/get-days-diff-between-dates.md
+++ b/snippets/get-days-diff-between-dates.md
@@ -1,9 +1,9 @@
 ---
 title: Date difference in days
-tags: date
+type: snippet
+tags: [date]
 cover: spanish-resort
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2021-04-24T12:42:47+03:00
+dateModified: 2021-04-24T12:42:47+03:00
 ---
 
 Calculates the difference (in days) between two dates.
diff --git a/snippets/get-elements-bigger-than-viewport.md b/snippets/get-elements-bigger-than-viewport.md
index 62d70fc3d..62dec054d 100644
--- a/snippets/get-elements-bigger-than-viewport.md
+++ b/snippets/get-elements-bigger-than-viewport.md
@@ -1,9 +1,9 @@
 ---
 title: Get elements bigger than viewport
-tags: browser
+type: snippet
+tags: [browser]
 cover: case-study
-firstSeen: 2020-10-06T17:41:22+03:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Returns an array of HTML elements whose width is larger than that of the viewport's.
diff --git a/snippets/get-hours-diff-between-dates.md b/snippets/get-hours-diff-between-dates.md
index 654a5d273..7e65b0725 100644
--- a/snippets/get-hours-diff-between-dates.md
+++ b/snippets/get-hours-diff-between-dates.md
@@ -1,9 +1,9 @@
 ---
 title: Date difference in hours
-tags: date
+type: snippet
+tags: [date]
 cover: tram-car-2
-firstSeen: 2021-04-24T12:56:21+03:00
-lastUpdated: 2021-04-24T12:56:21+03:00
+dateModified: 2021-04-24T12:56:21+03:00
 ---
 
 Calculates the difference (in hours) between two dates.
diff --git a/snippets/get-images.md b/snippets/get-images.md
index 57ecd6bec..78852f7a5 100644
--- a/snippets/get-images.md
+++ b/snippets/get-images.md
@@ -1,9 +1,9 @@
 ---
 title: Get all images in element
-tags: browser
+type: snippet
+tags: [browser]
 cover: portal-timelapse
-firstSeen: 2018-10-07T16:24:36+03:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Fetches all images from within an element and puts them into an array.
diff --git a/snippets/get-meridiem-suffix-of-integer.md b/snippets/get-meridiem-suffix-of-integer.md
index 680609392..315612937 100644
--- a/snippets/get-meridiem-suffix-of-integer.md
+++ b/snippets/get-meridiem-suffix-of-integer.md
@@ -1,9 +1,9 @@
 ---
 title: Get meridiem suffix of integer
-tags: date
+type: snippet
+tags: [date]
 cover: dark-leaves-4
-firstSeen: 2018-01-13T17:14:48+02:00
-lastUpdated: 2020-10-19T22:49:51+03:00
+dateModified: 2020-10-19T22:49:51+03:00
 ---
 
 Converts an integer to a suffixed string, adding `am` or `pm` based on its value.
diff --git a/snippets/get-minutes-diff-between-dates.md b/snippets/get-minutes-diff-between-dates.md
index 60d4651da..d8964ed1c 100644
--- a/snippets/get-minutes-diff-between-dates.md
+++ b/snippets/get-minutes-diff-between-dates.md
@@ -1,9 +1,9 @@
 ---
 title: Date difference in minutes
-tags: date
+type: snippet
+tags: [date]
 cover: flower-vase
-firstSeen: 2021-04-24T12:48:49+03:00
-lastUpdated: 2021-04-24T12:48:49+03:00
+dateModified: 2021-04-24T12:48:49+03:00
 ---
 
 Calculates the difference (in minutes) between two dates.
diff --git a/snippets/get-months-diff-between-dates.md b/snippets/get-months-diff-between-dates.md
index ef84d2e3e..7ca23989c 100644
--- a/snippets/get-months-diff-between-dates.md
+++ b/snippets/get-months-diff-between-dates.md
@@ -1,9 +1,9 @@
 ---
 title: Date difference in months
-tags: date
+type: snippet
+tags: [date]
 cover: two-flower-vases
-firstSeen: 2020-08-07T15:15:26+03:00
-lastUpdated: 2020-10-19T22:49:51+03:00
+dateModified: 2020-10-19T22:49:51+03:00
 ---
 
 Calculates the difference (in months) between two dates.
diff --git a/snippets/get-parents-until.md b/snippets/get-parents-until.md
index 18327fc5b..1e6aca590 100644
--- a/snippets/get-parents-until.md
+++ b/snippets/get-parents-until.md
@@ -1,10 +1,10 @@
 ---
 title: Get parents until element matches selector
-tags: browser
+type: snippet
+tags: [browser]
 author: chalarangelo
 cover: colorful-plastic
-firstSeen: 2021-01-05T22:47:21+02:00
-lastUpdated: 2021-01-06T13:04:18+02:00
+dateModified: 2021-01-06T13:04:18+02:00
 ---
 
 Finds all the ancestors of an element up until the element matched by the specified selector.
diff --git a/snippets/get-protocol.md b/snippets/get-protocol.md
index d981714be..234596a79 100644
--- a/snippets/get-protocol.md
+++ b/snippets/get-protocol.md
@@ -1,9 +1,9 @@
 ---
 title: Current page protocol
-tags: browser
+type: snippet
+tags: [browser]
 cover: bamboo-lamp
-firstSeen: 2020-10-07T01:40:53+03:00
-lastUpdated: 2020-10-20T11:46:23+03:00
+dateModified: 2020-10-20T11:46:23+03:00
 ---
 
 Gets the protocol being used on the current page.
diff --git a/snippets/get-scroll-position.md b/snippets/get-scroll-position.md
index d8df97e0e..32bbca438 100644
--- a/snippets/get-scroll-position.md
+++ b/snippets/get-scroll-position.md
@@ -1,9 +1,9 @@
 ---
 title: Scroll position
-tags: browser
+type: snippet
+tags: [browser]
 cover: tranquil-lake
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-19T22:49:51+03:00
+dateModified: 2020-10-19T22:49:51+03:00
 ---
 
 Returns the scroll position of the current page.
diff --git a/snippets/get-scrollbar-width.md b/snippets/get-scrollbar-width.md
index cd773ceac..9bdd0953c 100644
--- a/snippets/get-scrollbar-width.md
+++ b/snippets/get-scrollbar-width.md
@@ -1,9 +1,10 @@
 ---
 title: Scrollbar width
-tags: browser
+type: snippet
+tags: [browser]
 cover: violin
 author: chalarangelo
-firstSeen: 2022-07-16T05:00:00-04:00
+dateModified: 2022-07-16T05:00:00-04:00
 ---
 
 Calculates the width of the window's vertical scrollbar.
diff --git a/snippets/get-seconds-diff-between-dates.md b/snippets/get-seconds-diff-between-dates.md
index 44aab33f6..d3c134ba8 100644
--- a/snippets/get-seconds-diff-between-dates.md
+++ b/snippets/get-seconds-diff-between-dates.md
@@ -1,9 +1,9 @@
 ---
 title: Date difference in seconds
-tags: date
+type: snippet
+tags: [date]
 cover: laptop-journey
-firstSeen: 2021-04-24T12:39:48+03:00
-lastUpdated: 2021-04-24T12:39:48+03:00
+dateModified: 2021-04-24T12:39:48+03:00
 ---
 
 Calculates the difference (in seconds) between two dates.
diff --git a/snippets/get-selected-text.md b/snippets/get-selected-text.md
index 4162817f4..2df748d94 100644
--- a/snippets/get-selected-text.md
+++ b/snippets/get-selected-text.md
@@ -1,10 +1,10 @@
 ---
 title: Get selected text
-tags: browser
+type: snippet
+tags: [browser]
 author: chalarangelo
 cover: white-tablet-2
-firstSeen: 2020-08-07T15:34:53+03:00
-lastUpdated: 2020-10-19T22:49:51+03:00
+dateModified: 2020-10-19T22:49:51+03:00
 ---
 
 Gets the currently selected text.
diff --git a/snippets/get-siblings.md b/snippets/get-siblings.md
index 72bf5ab60..5e57b6484 100644
--- a/snippets/get-siblings.md
+++ b/snippets/get-siblings.md
@@ -1,10 +1,10 @@
 ---
 title: Array of element's siblings
-tags: browser
+type: snippet
+tags: [browser]
 author: chalarangelo
 cover: little-white-flowers
-firstSeen: 2020-08-07T15:31:48+03:00
-lastUpdated: 2020-10-19T22:49:51+03:00
+dateModified: 2020-10-19T22:49:51+03:00
 ---
 
 Returns an array containing all the siblings of the given element.
diff --git a/snippets/get-style.md b/snippets/get-style.md
index 0101c7042..c986d77b9 100644
--- a/snippets/get-style.md
+++ b/snippets/get-style.md
@@ -1,9 +1,9 @@
 ---
 title: Get style for element
-tags: browser,css
+type: snippet
+tags: [browser,css]
 cover: frog-blue-flower
-firstSeen: 2017-12-29T00:08:17+02:00
-lastUpdated: 2020-10-19T22:49:51+03:00
+dateModified: 2020-10-19T22:49:51+03:00
 ---
 
 Retrieves the value of a CSS rule for the specified element.
diff --git a/snippets/get-timestamp.md b/snippets/get-timestamp.md
index 11eec096a..1df9dd19d 100644
--- a/snippets/get-timestamp.md
+++ b/snippets/get-timestamp.md
@@ -1,9 +1,9 @@
 ---
 title: Unix timestamp from date
-tags: date
+type: snippet
+tags: [date]
 cover: interior-14
-firstSeen: 2020-10-08T17:15:56+03:00
-lastUpdated: 2020-10-19T22:49:51+03:00
+dateModified: 2020-10-19T22:49:51+03:00
 ---
 
 Gets the Unix timestamp from a `Date` object.
diff --git a/snippets/get-type.md b/snippets/get-type.md
index b24ec5e42..516b05bc5 100644
--- a/snippets/get-type.md
+++ b/snippets/get-type.md
@@ -1,9 +1,9 @@
 ---
 title: Type of value
-tags: type
+type: snippet
+tags: [type]
 cover: pink-flowers
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-19T22:49:51+03:00
+dateModified: 2020-10-19T22:49:51+03:00
 ---
 
 Returns the native type of a value.
diff --git a/snippets/get-url-parameters.md b/snippets/get-url-parameters.md
index b44c467df..e36eb25a1 100644
--- a/snippets/get-url-parameters.md
+++ b/snippets/get-url-parameters.md
@@ -1,10 +1,10 @@
 ---
 title: URL parameters as object
-tags: browser,string,regexp
+type: snippet
+tags: [browser,string,regexp]
 author: chalarangelo
 cover: compass
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Creates an object containing the parameters of the current URL.
diff --git a/snippets/get-vertical-offset.md b/snippets/get-vertical-offset.md
index a1d197a1d..ffcd58cc7 100644
--- a/snippets/get-vertical-offset.md
+++ b/snippets/get-vertical-offset.md
@@ -1,10 +1,10 @@
 ---
 title: Vertical offset of element
-tags: browser
+type: snippet
+tags: [browser]
 author: chalarangelo
 cover: waves-from-above-2
-firstSeen: 2021-01-05T22:41:09+02:00
-lastUpdated: 2021-01-05T22:41:09+02:00
+dateModified: 2021-01-05T22:41:09+02:00
 ---
 
 Finds the distance from a given element to the top of the document.
diff --git a/snippets/get.md b/snippets/get.md
index ed8dd16cb..7fef0cd65 100644
--- a/snippets/get.md
+++ b/snippets/get.md
@@ -1,9 +1,9 @@
 ---
 title: Get nested object property from path string
-tags: object,regexp
+type: snippet
+tags: [object,regexp]
 cover: brown-bird
-firstSeen: 2018-01-18T17:40:42+02:00
-lastUpdated: 2020-10-19T22:49:51+03:00
+dateModified: 2020-10-19T22:49:51+03:00
 ---
 
 Retrieves a set of properties indicated by the given selectors from an object.
diff --git a/snippets/group-by.md b/snippets/group-by.md
index da7a6fa73..069c99356 100644
--- a/snippets/group-by.md
+++ b/snippets/group-by.md
@@ -1,9 +1,9 @@
 ---
 title: Group array elements
-tags: array,object
+type: snippet
+tags: [array,object]
 cover: man-cup-laptop
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Groups the elements of an array based on the given function.
diff --git a/snippets/hamming-distance.md b/snippets/hamming-distance.md
index 94f5ca3cf..4cd23134c 100644
--- a/snippets/hamming-distance.md
+++ b/snippets/hamming-distance.md
@@ -1,9 +1,9 @@
 ---
 title: Hamming distance
-tags: math,algorithm
+type: snippet
+tags: [math,algorithm]
 cover: colorful-lounge
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-12-28T13:49:24+02:00
+dateModified: 2020-12-28T13:49:24+02:00
 ---
 
 Calculates the Hamming distance between two values.
diff --git a/snippets/has-class.md b/snippets/has-class.md
index fa72a3fc6..1c3a1df06 100644
--- a/snippets/has-class.md
+++ b/snippets/has-class.md
@@ -1,9 +1,9 @@
 ---
 title: Check if HTML element has class
-tags: browser,css
+type: snippet
+tags: [browser,css]
 cover: interior
-firstSeen: 2017-12-28T23:46:33+02:00
-lastUpdated: 2020-10-19T22:49:51+03:00
+dateModified: 2020-10-19T22:49:51+03:00
 ---
 
 Checks if the given element has the specified class.
diff --git a/snippets/has-decimals.md b/snippets/has-decimals.md
index c3d82b95d..206952d9c 100644
--- a/snippets/has-decimals.md
+++ b/snippets/has-decimals.md
@@ -1,9 +1,10 @@
 ---
 title: Number has decimal digits
-tags: math
+type: snippet
+tags: [math]
 author: chalarangelo
 cover: man-cup-laptop
-firstSeen: 2022-05-13T05:00:00-04:00
+dateModified: 2022-05-13T05:00:00-04:00
 ---
 
 Checks if a number has any decimals digits
diff --git a/snippets/has-duplicates.md b/snippets/has-duplicates.md
index 7860190e3..7a50e5495 100644
--- a/snippets/has-duplicates.md
+++ b/snippets/has-duplicates.md
@@ -1,9 +1,9 @@
 ---
 title: Check if array has duplicates
-tags: array
+type: snippet
+tags: [array]
 cover: umbrellas
-firstSeen: 2020-10-22T20:23:09+03:00
-lastUpdated: 2020-10-22T20:23:09+03:00
+dateModified: 2020-10-22T20:23:09+03:00
 ---
 
 Checks if there are duplicate values in a flat array.
diff --git a/snippets/has-flags.md b/snippets/has-flags.md
index a7b346ff4..e3dede426 100644
--- a/snippets/has-flags.md
+++ b/snippets/has-flags.md
@@ -1,9 +1,9 @@
 ---
 title: Check if process arguments contain flags
-tags: node
+type: snippet
+tags: [node]
 cover: white-tablet
-firstSeen: 2018-01-01T18:24:43+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Checks if the current process's arguments contain the specified flags.
diff --git a/snippets/has-key.md b/snippets/has-key.md
index 20b48bf13..bbd98b079 100644
--- a/snippets/has-key.md
+++ b/snippets/has-key.md
@@ -1,10 +1,10 @@
 ---
 title: Check if object has key
-tags: object
+type: snippet
+tags: [object]
 author: chalarangelo
 cover: cloudy-mountaintop
-firstSeen: 2019-10-15T15:45:13+03:00
-lastUpdated: 2020-10-19T22:49:51+03:00
+dateModified: 2020-10-19T22:49:51+03:00
 ---
 
 Checks if the target value exists in a JSON object.
diff --git a/snippets/has-many.md b/snippets/has-many.md
index ff04275a9..47df2dcc9 100644
--- a/snippets/has-many.md
+++ b/snippets/has-many.md
@@ -1,9 +1,10 @@
 ---
 title: Check if array has many matches
-tags: array
+type: snippet
+tags: [array]
 author: chalarangelo
 cover: interior-2
-firstSeen: 2021-07-11T05:00:00-04:00
+dateModified: 2021-07-11T05:00:00-04:00
 ---
 
 Checks if an array has more than one value matching the given function.
diff --git a/snippets/has-one.md b/snippets/has-one.md
index 7368a904a..de45be959 100644
--- a/snippets/has-one.md
+++ b/snippets/has-one.md
@@ -1,9 +1,10 @@
 ---
 title: Check if array has only one match
-tags: array
+type: snippet
+tags: [array]
 author: chalarangelo
 cover: interior-10
-firstSeen: 2021-07-04T05:00:00-04:00
+dateModified: 2021-07-04T05:00:00-04:00
 ---
 
 Checks if an array has only one value matching the given function.
diff --git a/snippets/has-value.md b/snippets/has-value.md
index a2c6b4a19..b99816da5 100644
--- a/snippets/has-value.md
+++ b/snippets/has-value.md
@@ -1,9 +1,10 @@
 ---
 title: Check if object has value
-tags: object
+type: snippet
+tags: [object]
 author: chalarangelo
 cover: plant-corner
-firstSeen: 2023-04-10T05:00:00-04:00
+dateModified: 2023-04-10T05:00:00-04:00
 ---
 
 Checks if the target value exists in a JSON object.
diff --git a/snippets/hash-browser.md b/snippets/hash-browser.md
index 23680b8ce..f026aae30 100644
--- a/snippets/hash-browser.md
+++ b/snippets/hash-browser.md
@@ -1,9 +1,9 @@
 ---
 title: Calculate SHA-256 hash (browser)
-tags: browser,promise
+type: snippet
+tags: [browser,promise]
 cover: padlocks
-firstSeen: 2018-01-17T14:09:01+02:00
-lastUpdated: 2021-10-13T19:29:39+02:00
+dateModified: 2021-10-13T19:29:39+02:00
 ---
 
 Creates a hash for a value using the [SHA-256](https://en.wikipedia.org/wiki/SHA-2) algorithm.
diff --git a/snippets/hash-node.md b/snippets/hash-node.md
index bebbeb1f9..a5a5df5a0 100644
--- a/snippets/hash-node.md
+++ b/snippets/hash-node.md
@@ -1,9 +1,9 @@
 ---
 title: Calculate SHA-256 hash (Node.js)
-tags: node,promise
+type: snippet
+tags: [node,promise]
 cover: padlocks
-firstSeen: 2018-01-17T14:09:01+02:00
-lastUpdated: 2021-10-13T19:29:39+02:00
+dateModified: 2021-10-13T19:29:39+02:00
 ---
 
 Creates a hash for a value using the [SHA-256](https://en.wikipedia.org/wiki/SHA-2) algorithm.
diff --git a/snippets/have-same-contents.md b/snippets/have-same-contents.md
index 2fd4f93b5..3b3ef6633 100644
--- a/snippets/have-same-contents.md
+++ b/snippets/have-same-contents.md
@@ -1,10 +1,10 @@
 ---
 title: Check if arrays have same contents
-tags: array
+type: snippet
+tags: [array]
 author: chalarangelo
 cover: interior-15
-firstSeen: 2020-01-05T21:40:39+02:00
-lastUpdated: 2020-10-19T22:49:51+03:00
+dateModified: 2020-10-19T22:49:51+03:00
 ---
 
 Checks if two arrays contain the same elements regardless of order.
diff --git a/snippets/head.md b/snippets/head.md
index f5f869ddb..fcfa9903c 100644
--- a/snippets/head.md
+++ b/snippets/head.md
@@ -1,9 +1,9 @@
 ---
 title: Head of array
-tags: array
+type: snippet
+tags: [array]
 cover: clay-pot-horizon
-firstSeen: 2017-12-17T16:41:31+02:00
-lastUpdated: 2020-10-19T22:49:51+03:00
+dateModified: 2020-10-19T22:49:51+03:00
 ---
 
 Returns the head of an array.
diff --git a/snippets/heapsort.md b/snippets/heapsort.md
index 1f7305dee..628fd1aac 100644
--- a/snippets/heapsort.md
+++ b/snippets/heapsort.md
@@ -1,10 +1,10 @@
 ---
 title: Heap sort
-tags: algorithm,array,recursion
+type: snippet
+tags: [algorithm,array,recursion]
 author: chalarangelo
 cover: building-blocks
-firstSeen: 2020-12-28T22:48:09+02:00
-lastUpdated: 2020-12-28T22:48:09+02:00
+dateModified: 2020-12-28T22:48:09+02:00
 ---
 
 Sorts an array of numbers, using the heapsort algorithm.
diff --git a/snippets/hex-to-rgb.md b/snippets/hex-to-rgb.md
index e64bc07bb..0636daf57 100644
--- a/snippets/hex-to-rgb.md
+++ b/snippets/hex-to-rgb.md
@@ -1,9 +1,9 @@
 ---
 title: Hex to RGB
-tags: string,math
+type: snippet
+tags: [string,math]
 cover: umbrellas
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-19T22:49:51+03:00
+dateModified: 2020-10-19T22:49:51+03:00
 ---
 
 Converts a color code to an `rgb()` or `rgba()` string if alpha value is provided.
diff --git a/snippets/hide.md b/snippets/hide.md
index 2aad8cf3e..944fa1b62 100644
--- a/snippets/hide.md
+++ b/snippets/hide.md
@@ -1,9 +1,9 @@
 ---
 title: Hide elements
-tags: browser,css
+type: snippet
+tags: [browser,css]
 cover: book-chair
-firstSeen: 2017-12-28T23:33:21+02:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Hides all the elements specified.
diff --git a/snippets/hsb-to-rgb.md b/snippets/hsb-to-rgb.md
index b064e828c..af062dfc2 100644
--- a/snippets/hsb-to-rgb.md
+++ b/snippets/hsb-to-rgb.md
@@ -1,9 +1,9 @@
 ---
 title: HSB to RGB
-tags: math
+type: snippet
+tags: [math]
 cover: houses-rock-sea
-firstSeen: 2020-09-18T14:25:07+03:00
-lastUpdated: 2020-09-18T14:25:07+03:00
+dateModified: 2020-09-18T14:25:07+03:00
 ---
 
 Converts a HSB color tuple to RGB format.
diff --git a/snippets/hsl-to-rgb.md b/snippets/hsl-to-rgb.md
index e32b02112..62a742a34 100644
--- a/snippets/hsl-to-rgb.md
+++ b/snippets/hsl-to-rgb.md
@@ -1,9 +1,9 @@
 ---
 title: HSL to RGB
-tags: math
+type: snippet
+tags: [math]
 cover: maple-leaf-palette
-firstSeen: 2020-10-01T23:15:49+03:00
-lastUpdated: 2020-10-04T11:24:27+03:00
+dateModified: 2020-10-04T11:24:27+03:00
 ---
 
 Converts a HSL color tuple to RGB format.
diff --git a/snippets/http-delete.md b/snippets/http-delete.md
index 1fa0d725b..036f145e3 100644
--- a/snippets/http-delete.md
+++ b/snippets/http-delete.md
@@ -1,9 +1,9 @@
 ---
 title: HTTP delete
-tags: browser
+type: snippet
+tags: [browser]
 cover: beach-from-above
-firstSeen: 2020-04-16T11:21:33+03:00
-lastUpdated: 2020-10-19T22:49:51+03:00
+dateModified: 2020-10-19T22:49:51+03:00
 ---
 
 Makes a `DELETE` request to the passed URL.
diff --git a/snippets/http-get.md b/snippets/http-get.md
index 5b5be8335..8d4c59f82 100644
--- a/snippets/http-get.md
+++ b/snippets/http-get.md
@@ -1,9 +1,9 @@
 ---
 title: HTTP get
-tags: browser
+type: snippet
+tags: [browser]
 cover: boat-port
-firstSeen: 2018-01-08T18:21:52+02:00
-lastUpdated: 2020-10-19T22:49:51+03:00
+dateModified: 2020-10-19T22:49:51+03:00
 ---
 
 Makes a `GET` request to the passed URL.
diff --git a/snippets/http-post.md b/snippets/http-post.md
index 631965bfa..c5a77d040 100644
--- a/snippets/http-post.md
+++ b/snippets/http-post.md
@@ -1,9 +1,9 @@
 ---
 title: HTTP post
-tags: browser
+type: snippet
+tags: [browser]
 cover: boats
-firstSeen: 2018-01-08T22:07:02+02:00
-lastUpdated: 2020-10-19T22:49:51+03:00
+dateModified: 2020-10-19T22:49:51+03:00
 ---
 
 Makes a `POST` request to the passed URL.
diff --git a/snippets/http-put.md b/snippets/http-put.md
index 7dd241742..490756eca 100644
--- a/snippets/http-put.md
+++ b/snippets/http-put.md
@@ -1,9 +1,9 @@
 ---
 title: HTTP put
-tags: browser
+type: snippet
+tags: [browser]
 cover: bridge
-firstSeen: 2020-04-16T11:21:33+03:00
-lastUpdated: 2020-10-19T22:49:51+03:00
+dateModified: 2020-10-19T22:49:51+03:00
 ---
 
 Makes a `PUT` request to the passed URL.
diff --git a/snippets/https-redirect.md b/snippets/https-redirect.md
index b4db67035..f57d5c27c 100644
--- a/snippets/https-redirect.md
+++ b/snippets/https-redirect.md
@@ -1,9 +1,9 @@
 ---
 title: Redirect to HTTPS
-tags: browser
+type: snippet
+tags: [browser]
 cover: blue-lake
-firstSeen: 2017-12-21T08:33:56+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Redirects the page to HTTPS if it's currently in HTTP.
diff --git a/snippets/hz.md b/snippets/hz.md
index 97421b72e..0df4f064e 100644
--- a/snippets/hz.md
+++ b/snippets/hz.md
@@ -1,10 +1,10 @@
 ---
 title: Hertz frequency of function
-tags: function
+type: snippet
+tags: [function]
 unlisted: true
 cover: lake-runner
-firstSeen: 2018-04-11T16:39:49+03:00
-lastUpdated: 2021-01-04T13:04:15+02:00
+dateModified: 2021-01-04T13:04:15+02:00
 ---
 
 Measures the number of times a function is executed per second (hz/hertz).
diff --git a/snippets/in-range.md b/snippets/in-range.md
index 96fb895fd..3a56f9d53 100644
--- a/snippets/in-range.md
+++ b/snippets/in-range.md
@@ -1,9 +1,9 @@
 ---
 title: Number in range
-tags: math
+type: snippet
+tags: [math]
 cover: armchair
-firstSeen: 2017-12-20T18:33:58+02:00
-lastUpdated: 2020-11-01T20:50:57+02:00
+dateModified: 2020-11-01T20:50:57+02:00
 ---
 
 Checks if the given number falls within the given range.
diff --git a/snippets/includes-all.md b/snippets/includes-all.md
index ff74b2afb..42657ffd7 100644
--- a/snippets/includes-all.md
+++ b/snippets/includes-all.md
@@ -1,9 +1,9 @@
 ---
 title: Check if array includes all values
-tags: array
+type: snippet
+tags: [array]
 cover: tomatoes
-firstSeen: 2019-11-04T21:37:16+02:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if all the elements in `values` are included in `arr`.
diff --git a/snippets/includes-any.md b/snippets/includes-any.md
index 4c1836d7a..6f88b3f96 100644
--- a/snippets/includes-any.md
+++ b/snippets/includes-any.md
@@ -1,9 +1,9 @@
 ---
 title: Check if array includes any values
-tags: array
+type: snippet
+tags: [array]
 cover: book-stopper
-firstSeen: 2019-11-03T23:49:17+02:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if at least one element of `values` is included in `arr`.
diff --git a/snippets/includes-case-insensitive.md b/snippets/includes-case-insensitive.md
index 03dfa0889..02ac1c5f0 100644
--- a/snippets/includes-case-insensitive.md
+++ b/snippets/includes-case-insensitive.md
@@ -1,9 +1,10 @@
 ---
 title: Case-insensitive substring search
-tags: string
+type: snippet
+tags: [string]
 author: chalarangelo
 cover: cup-of-orange
-firstSeen: 2022-07-28T05:00:00-04:00
+dateModified: 2022-07-28T05:00:00-04:00
 ---
 
 Checks if a string contains a substring, case-insensitive.
diff --git a/snippets/indent-string.md b/snippets/indent-string.md
index 7bd83b4f6..0c698c7e9 100644
--- a/snippets/indent-string.md
+++ b/snippets/indent-string.md
@@ -1,9 +1,9 @@
 ---
 title: Indent string
-tags: string
+type: snippet
+tags: [string]
 cover: clutter
-firstSeen: 2018-09-24T22:14:27+03:00
-lastUpdated: 2020-11-01T20:50:57+02:00
+dateModified: 2020-11-01T20:50:57+02:00
 ---
 
 Indents each line in the provided string.
diff --git a/snippets/index-by.md b/snippets/index-by.md
index d9c2319df..a68310819 100644
--- a/snippets/index-by.md
+++ b/snippets/index-by.md
@@ -1,9 +1,10 @@
 ---
 title: Index array based on function
-tags: array,object
+type: snippet
+tags: [array,object]
 author: chalarangelo
 cover: guitar-living-room
-firstSeen: 2021-06-20T05:00:00-04:00
+dateModified: 2021-06-20T05:00:00-04:00
 ---
 
 Creates an object from an array, using a function to map each value to a key.
diff --git a/snippets/index-of-all.md b/snippets/index-of-all.md
index ab3cea00c..6c381a5d3 100644
--- a/snippets/index-of-all.md
+++ b/snippets/index-of-all.md
@@ -1,9 +1,9 @@
 ---
 title: Index of all matches
-tags: array
+type: snippet
+tags: [array]
 cover: jars-on-shelf-2
-firstSeen: 2018-01-06T12:07:56+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Finds all indexes of `val` in an array.
diff --git a/snippets/index-of-substrings.md b/snippets/index-of-substrings.md
index 9355dad94..90470a428 100644
--- a/snippets/index-of-substrings.md
+++ b/snippets/index-of-substrings.md
@@ -1,10 +1,10 @@
 ---
 title: Index of substrings
-tags: string,algorithm,generator
+type: snippet
+tags: [string,algorithm,generator]
 author: chalarangelo
 cover: violin
-firstSeen: 2020-12-31T13:58:51+02:00
-lastUpdated: 2020-12-31T13:58:51+02:00
+dateModified: 2020-12-31T13:58:51+02:00
 ---
 
 Finds all the indexes of a substring in a given string.
diff --git a/snippets/index-on.md b/snippets/index-on.md
index 12dd1a03e..49bd08203 100644
--- a/snippets/index-on.md
+++ b/snippets/index-on.md
@@ -1,9 +1,10 @@
 ---
 title: Array to object based on key
-tags: array,object
+type: snippet
+tags: [array,object]
 author: chalarangelo
 cover: lavender-shelf
-firstSeen: 2021-06-27T05:00:00-04:00
+dateModified: 2021-06-27T05:00:00-04:00
 ---
 
 Creates an object from an array, using the specified key and excluding it from each value.
diff --git a/snippets/initial.md b/snippets/initial.md
index f87f98b2c..a0933b270 100644
--- a/snippets/initial.md
+++ b/snippets/initial.md
@@ -1,9 +1,9 @@
 ---
 title: Array without last element
-tags: array
+type: snippet
+tags: [array]
 cover: red-light
-firstSeen: 2017-12-17T16:41:31+02:00
-lastUpdated: 2020-11-03T21:46:13+02:00
+dateModified: 2020-11-03T21:46:13+02:00
 ---
 
 Returns all the elements of an array except the last one.
diff --git a/snippets/initialize-array-with-range-right.md b/snippets/initialize-array-with-range-right.md
index 127dc8eb3..4305ad485 100644
--- a/snippets/initialize-array-with-range-right.md
+++ b/snippets/initialize-array-with-range-right.md
@@ -1,9 +1,9 @@
 ---
 title: Initialize array with reversed range
-tags: array
+type: snippet
+tags: [array]
 cover: interior-4
-firstSeen: 2018-01-16T17:09:39+02:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Initializes an array containing the numbers in the specified range (in reverse) where `start` and `end` are inclusive with their common difference `step`.
diff --git a/snippets/initialize-array-with-range.md b/snippets/initialize-array-with-range.md
index c53ca297f..deaa349a7 100644
--- a/snippets/initialize-array-with-range.md
+++ b/snippets/initialize-array-with-range.md
@@ -1,9 +1,9 @@
 ---
 title: Initialize array with range
-tags: array
+type: snippet
+tags: [array]
 cover: white-flower
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Initializes an array containing the numbers in the specified range where `start` and `end` are inclusive with their common difference `step`.
diff --git a/snippets/initialize-array-with-values.md b/snippets/initialize-array-with-values.md
index 9d9b46cab..c42f5d32c 100644
--- a/snippets/initialize-array-with-values.md
+++ b/snippets/initialize-array-with-values.md
@@ -1,9 +1,9 @@
 ---
 title: Initialize array with values
-tags: array
+type: snippet
+tags: [array]
 cover: flower-portrait-1
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Initializes and fills an array with the specified values.
diff --git a/snippets/initialize-nd-array.md b/snippets/initialize-nd-array.md
index 786a98883..7cd3ebc5b 100644
--- a/snippets/initialize-nd-array.md
+++ b/snippets/initialize-nd-array.md
@@ -1,9 +1,9 @@
 ---
 title: Initialize n-dimensional array
-tags: array,recursion
+type: snippet
+tags: [array,recursion]
 cover: colorful-pots
-firstSeen: 2018-04-14T10:52:39+03:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Create a n-dimensional array with given value.
diff --git a/snippets/initialize2-d-array.md b/snippets/initialize2-d-array.md
index d4d30b539..8f2295ec9 100644
--- a/snippets/initialize2-d-array.md
+++ b/snippets/initialize2-d-array.md
@@ -1,9 +1,9 @@
 ---
 title: Initialize 2D array
-tags: array
+type: snippet
+tags: [array]
 cover: cloudy-rock-formation
-firstSeen: 2017-12-19T23:38:18+02:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Initializes a 2D array of given width and height and value.
diff --git a/snippets/inject-css.md b/snippets/inject-css.md
index 506f75e29..bddb272ea 100644
--- a/snippets/inject-css.md
+++ b/snippets/inject-css.md
@@ -1,9 +1,9 @@
 ---
 title: Inject CSS
-tags: browser,css
+type: snippet
+tags: [browser,css]
 cover: dark-leaves-5
-firstSeen: 2020-10-15T22:18:00+03:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Injects the given CSS code into the current document
diff --git a/snippets/insert-after.md b/snippets/insert-after.md
index 150c59470..b42bbf044 100644
--- a/snippets/insert-after.md
+++ b/snippets/insert-after.md
@@ -1,9 +1,9 @@
 ---
 title: Insert HTML string after element
-tags: browser
+type: snippet
+tags: [browser]
 cover: malibu
-firstSeen: 2018-06-19T20:57:58+03:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Inserts an HTML string after the end of the specified element.
diff --git a/snippets/insert-at.md b/snippets/insert-at.md
index 99b47d30c..5bb57592d 100644
--- a/snippets/insert-at.md
+++ b/snippets/insert-at.md
@@ -1,10 +1,10 @@
 ---
 title: Insert value at array index
-tags: array
+type: snippet
+tags: [array]
 author: chalarangelo
 cover: messy-papers
-firstSeen: 2020-05-22T09:07:35+03:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Mutates the original array to insert the given values after the specified index.
diff --git a/snippets/insert-before.md b/snippets/insert-before.md
index 81d4f131f..b377e0c77 100644
--- a/snippets/insert-before.md
+++ b/snippets/insert-before.md
@@ -1,9 +1,9 @@
 ---
 title: Insert HTML string before element
-tags: browser
+type: snippet
+tags: [browser]
 cover: engine
-firstSeen: 2018-06-19T20:57:58+03:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Inserts an HTML string before the start of the specified element.
diff --git a/snippets/insertion-sort.md b/snippets/insertion-sort.md
index e63e8c50f..69cb7c500 100644
--- a/snippets/insertion-sort.md
+++ b/snippets/insertion-sort.md
@@ -1,10 +1,10 @@
 ---
 title: Insertion sort
-tags: algorithm,array
+type: snippet
+tags: [algorithm,array]
 author: chalarangelo
 cover: goat-wooden-cottage
-firstSeen: 2020-12-28T21:53:53+02:00
-lastUpdated: 2020-12-28T21:53:53+02:00
+dateModified: 2020-12-28T21:53:53+02:00
 ---
 
 Sorts an array of numbers, using the insertion sort algorithm.
diff --git a/snippets/intersection-by.md b/snippets/intersection-by.md
index 9b5807f3b..a617fd1d9 100644
--- a/snippets/intersection-by.md
+++ b/snippets/intersection-by.md
@@ -1,9 +1,9 @@
 ---
 title: Mapped array intersection
-tags: array
+type: snippet
+tags: [array]
 cover: cobbled-street
-firstSeen: 2018-01-24T12:53:18+02:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Returns the elements that exist in both arrays, after applying the provided function to each array element of both.
diff --git a/snippets/intersection-with.md b/snippets/intersection-with.md
index 517eb0675..c5481d160 100644
--- a/snippets/intersection-with.md
+++ b/snippets/intersection-with.md
@@ -1,9 +1,9 @@
 ---
 title: Array intersection based on function
-tags: array
+type: snippet
+tags: [array]
 cover: digital-nomad-2
-firstSeen: 2018-01-24T12:53:18+02:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Returns the elements that exist in both arrays, using a provided comparator function.
diff --git a/snippets/intersection.md b/snippets/intersection.md
index f48a2b0af..5aaa89fba 100644
--- a/snippets/intersection.md
+++ b/snippets/intersection.md
@@ -1,9 +1,9 @@
 ---
 title: Array intersection
-tags: array
+type: snippet
+tags: [array]
 cover: red-berries
-firstSeen: 2017-12-17T16:41:31+02:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Returns the elements that exist in both arrays, filtering duplicate values.
diff --git a/snippets/intersects.md b/snippets/intersects.md
index fe85f1f71..dfeb6b03c 100644
--- a/snippets/intersects.md
+++ b/snippets/intersects.md
@@ -1,9 +1,10 @@
 ---
 title: Check if two arrays intersect
-tags: array
+type: snippet
+tags: [array]
 author: chalarangelo
 cover: interior-5
-firstSeen: 2023-02-17T05:00:00-04:00
+dateModified: 2023-02-17T05:00:00-04:00
 ---
 
 Determines if two arrays have a common item.
diff --git a/snippets/invert-key-values.md b/snippets/invert-key-values.md
index 359a7a1f5..7dedff56e 100644
--- a/snippets/invert-key-values.md
+++ b/snippets/invert-key-values.md
@@ -1,9 +1,9 @@
 ---
 title: Invert object
-tags: object
+type: snippet
+tags: [object]
 cover: pineapple-on-green
-firstSeen: 2018-01-01T17:33:46+02:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Inverts the key-value pairs of an object, without mutating it.
diff --git a/snippets/is-absolute-url.md b/snippets/is-absolute-url.md
index 727bda5a7..06a6da3a2 100644
--- a/snippets/is-absolute-url.md
+++ b/snippets/is-absolute-url.md
@@ -1,9 +1,9 @@
 ---
 title: Check if absolute URL
-tags: string,browser,regexp
+type: snippet
+tags: [string,browser,regexp]
 cover: coffee-phone-tray-2
-firstSeen: 2017-12-31T14:42:45+02:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if the given string is an absolute URL.
diff --git a/snippets/is-after-date.md b/snippets/is-after-date.md
index 69a2c9732..b19187b12 100644
--- a/snippets/is-after-date.md
+++ b/snippets/is-after-date.md
@@ -1,9 +1,9 @@
 ---
 title: Check if date is after another date
-tags: date
+type: snippet
+tags: [date]
 cover: flower-portrait-4
-firstSeen: 2018-09-29T13:58:38+03:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if a date is after another date.
diff --git a/snippets/is-alpha-numeric.md b/snippets/is-alpha-numeric.md
index 7a58a0d59..6ea340439 100644
--- a/snippets/is-alpha-numeric.md
+++ b/snippets/is-alpha-numeric.md
@@ -1,9 +1,9 @@
 ---
 title: String is alphanumeric
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 cover: mountain-lake-cottage-2
-firstSeen: 2020-09-06T07:59:16+03:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if a string contains only alphanumeric characters.
diff --git a/snippets/is-alpha.md b/snippets/is-alpha.md
index af8d9f0e3..ed7d6ab77 100644
--- a/snippets/is-alpha.md
+++ b/snippets/is-alpha.md
@@ -1,9 +1,9 @@
 ---
 title: String is alpha
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 cover: coffee-phone-tray-3
-firstSeen: 2020-12-31T14:01:42+02:00
-lastUpdated: 2020-12-31T14:01:42+02:00
+dateModified: 2020-12-31T14:01:42+02:00
 ---
 
 Checks if a string contains only alpha characters.
diff --git a/snippets/is-anagram.md b/snippets/is-anagram.md
index 1947b0135..d481891c1 100644
--- a/snippets/is-anagram.md
+++ b/snippets/is-anagram.md
@@ -1,9 +1,9 @@
 ---
 title: String is anagram
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 cover: new-york
-firstSeen: 2018-02-19T15:47:47+02:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if a string is an anagram of another string (case-insensitive, ignores spaces, punctuation and special characters).
diff --git a/snippets/is-array-like.md b/snippets/is-array-like.md
index 9d7fdd7bc..5c5c4b8d1 100644
--- a/snippets/is-array-like.md
+++ b/snippets/is-array-like.md
@@ -1,9 +1,9 @@
 ---
 title: Value is array-like
-tags: type,array
+type: snippet
+tags: [type,array]
 cover: colorful-plastic
-firstSeen: 2017-12-31T14:53:01+02:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if the provided argument is array-like (i.e. is iterable).
diff --git a/snippets/is-async-function.md b/snippets/is-async-function.md
index 05a3594f8..b5bc01158 100644
--- a/snippets/is-async-function.md
+++ b/snippets/is-async-function.md
@@ -1,10 +1,10 @@
 ---
 title: Value is async function
-tags: type,function
+type: snippet
+tags: [type,function]
 author: chalarangelo
 cover: interior-12
-firstSeen: 2020-08-07T15:41:55+03:00
-lastUpdated: 2020-10-20T11:21:07+03:00
+dateModified: 2020-10-20T11:21:07+03:00
 ---
 
 Checks if the given argument is an `async` function.
diff --git a/snippets/is-before-date.md b/snippets/is-before-date.md
index 6905e436e..91d067441 100644
--- a/snippets/is-before-date.md
+++ b/snippets/is-before-date.md
@@ -1,9 +1,9 @@
 ---
 title: Check if date is before another date
-tags: date
+type: snippet
+tags: [date]
 cover: flower-portrait-3
-firstSeen: 2018-09-29T13:58:38+03:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if a date is before another date.
diff --git a/snippets/is-between-dates.md b/snippets/is-between-dates.md
index 1630b4f83..e3fd68f9a 100644
--- a/snippets/is-between-dates.md
+++ b/snippets/is-between-dates.md
@@ -1,9 +1,9 @@
 ---
 title: Check if date is between two dates
-tags: date
+type: snippet
+tags: [date]
 cover: flower-portrait-6
-firstSeen: 2020-10-07T20:31:52+03:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if a date is between two other dates.
diff --git a/snippets/is-boolean.md b/snippets/is-boolean.md
index f6957df93..36bf24d12 100644
--- a/snippets/is-boolean.md
+++ b/snippets/is-boolean.md
@@ -1,9 +1,9 @@
 ---
 title: Value is boolean
-tags: type
+type: snippet
+tags: [type]
 cover: book-stopper
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Checks if the given argument is a native boolean element.
diff --git a/snippets/is-browser-tab-focused.md b/snippets/is-browser-tab-focused.md
index 64a4c6c2b..5bfca7cb5 100644
--- a/snippets/is-browser-tab-focused.md
+++ b/snippets/is-browser-tab-focused.md
@@ -1,9 +1,9 @@
 ---
 title: Check if browser tab is focused
-tags: browser
+type: snippet
+tags: [browser]
 cover: overgrown
-firstSeen: 2018-04-15T19:18:44+03:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if the browser tab of the page is focused.
diff --git a/snippets/is-browser.md b/snippets/is-browser.md
index a767df85c..f9636af94 100644
--- a/snippets/is-browser.md
+++ b/snippets/is-browser.md
@@ -1,9 +1,9 @@
 ---
 title: Environment is browser
-tags: browser
+type: snippet
+tags: [browser]
 cover: travel-mug-3
-firstSeen: 2018-03-19T04:50:55+02:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Determines if the current runtime environment is a browser so that front-end modules can run on the server (Node) without throwing errors.
diff --git a/snippets/is-contained-in.md b/snippets/is-contained-in.md
index e127ea8e9..023ed64ff 100644
--- a/snippets/is-contained-in.md
+++ b/snippets/is-contained-in.md
@@ -1,10 +1,10 @@
 ---
 title: Array is contained in other array
-tags: array
+type: snippet
+tags: [array]
 author: chalarangelo
 cover: island-corridor
-firstSeen: 2020-01-05T21:40:51+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Checks if the elements of the first array are contained in the second one regardless of order.
diff --git a/snippets/is-date-valid.md b/snippets/is-date-valid.md
index 202f1f444..14a180687 100644
--- a/snippets/is-date-valid.md
+++ b/snippets/is-date-valid.md
@@ -1,9 +1,9 @@
 ---
 title: Check if date is valid
-tags: date
+type: snippet
+tags: [date]
 cover: two-cities
-firstSeen: 2020-10-08T16:39:23+03:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if a valid date object can be created from the given values.
diff --git a/snippets/is-deep-frozen.md b/snippets/is-deep-frozen.md
index 8f6d97fc4..db8878941 100644
--- a/snippets/is-deep-frozen.md
+++ b/snippets/is-deep-frozen.md
@@ -1,9 +1,9 @@
 ---
 title: Check if object is deep frozen
-tags: object,recursion
+type: snippet
+tags: [object,recursion]
 cover: godray-computer-mug
-firstSeen: 2020-09-04T20:20:11+03:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if an object is deeply frozen.
diff --git a/snippets/is-disjoint.md b/snippets/is-disjoint.md
index ed347e9e3..a79e98009 100644
--- a/snippets/is-disjoint.md
+++ b/snippets/is-disjoint.md
@@ -1,9 +1,9 @@
 ---
 title: Disjointed iterables
-tags: array
+type: snippet
+tags: [array]
 cover: interior-9
-firstSeen: 2020-10-11T11:53:01+03:00
-lastUpdated: 2020-10-11T11:53:01+03:00
+dateModified: 2020-10-11T11:53:01+03:00
 ---
 
 Checks if the two iterables are disjointed (have no common values).
diff --git a/snippets/is-divisible.md b/snippets/is-divisible.md
index bfd648eac..747dd054b 100644
--- a/snippets/is-divisible.md
+++ b/snippets/is-divisible.md
@@ -1,9 +1,9 @@
 ---
 title: Number is divisible
-tags: math
+type: snippet
+tags: [math]
 cover: clutter-2
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Checks if the first numeric argument is divisible by the second one.
diff --git a/snippets/is-duplex-stream.md b/snippets/is-duplex-stream.md
index 42faab17c..9ab5e43a9 100644
--- a/snippets/is-duplex-stream.md
+++ b/snippets/is-duplex-stream.md
@@ -1,9 +1,9 @@
 ---
 title: Stream is duplex
-tags: node,type
+type: snippet
+tags: [node,type]
 cover: digital-nomad-11
-firstSeen: 2018-10-03T22:16:10+03:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if the given argument is a duplex (readable and writable) stream.
diff --git a/snippets/is-empty.md b/snippets/is-empty.md
index 348927366..662b26f60 100644
--- a/snippets/is-empty.md
+++ b/snippets/is-empty.md
@@ -1,9 +1,9 @@
 ---
 title: Collection is empty
-tags: type,array,object,string
+type: snippet
+tags: [type,array,object,string]
 cover: book-chair
-firstSeen: 2018-01-23T19:25:17+02:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if the a value is an empty object/collection, has no enumerable properties or is any type that is not considered a collection.
diff --git a/snippets/is-even.md b/snippets/is-even.md
index 56bf61279..6470e66ba 100644
--- a/snippets/is-even.md
+++ b/snippets/is-even.md
@@ -1,9 +1,9 @@
 ---
 title: Number is even
-tags: math
+type: snippet
+tags: [math]
 cover: by-the-lighthouse
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if the given number is even.
diff --git a/snippets/is-function.md b/snippets/is-function.md
index 547a8d8b4..e47c0dbaa 100644
--- a/snippets/is-function.md
+++ b/snippets/is-function.md
@@ -1,9 +1,9 @@
 ---
 title: Value is function
-tags: type,function
+type: snippet
+tags: [type,function]
 cover: boulder-beach
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Checks if the given argument is a function.
diff --git a/snippets/is-generator-function.md b/snippets/is-generator-function.md
index e3b6e16f9..9684bf208 100644
--- a/snippets/is-generator-function.md
+++ b/snippets/is-generator-function.md
@@ -1,10 +1,10 @@
 ---
 title: Value is generator function
-tags: type,function
+type: snippet
+tags: [type,function]
 author: chalarangelo
 cover: interior-4
-firstSeen: 2020-08-07T15:40:38+03:00
-lastUpdated: 2020-10-20T11:21:07+03:00
+dateModified: 2020-10-20T11:21:07+03:00
 ---
 
 Checks if the given argument is a generator function.
diff --git a/snippets/is-iso-string.md b/snippets/is-iso-string.md
index e5ed50c49..ad6d35519 100644
--- a/snippets/is-iso-string.md
+++ b/snippets/is-iso-string.md
@@ -1,10 +1,10 @@
 ---
 title: String is ISO formatted date
-tags: date
+type: snippet
+tags: [date]
 author: chalarangelo
 cover: perfect-timing
-firstSeen: 2020-11-29T12:16:43+02:00
-lastUpdated: 2020-11-29T12:16:43+02:00
+dateModified: 2020-11-29T12:16:43+02:00
 ---
 
 Checks if the given string is valid in the simplified extended ISO format (ISO 8601).
diff --git a/snippets/is-leap-year.md b/snippets/is-leap-year.md
index 15ead593f..d6d0b5aa6 100644
--- a/snippets/is-leap-year.md
+++ b/snippets/is-leap-year.md
@@ -1,9 +1,9 @@
 ---
 title: Check for leap year
-tags: date
+type: snippet
+tags: [date]
 cover: flowering-hills
-firstSeen: 2020-02-05T14:00:03+02:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if the given `year` is a leap year.
diff --git a/snippets/is-local-storage-enabled.md b/snippets/is-local-storage-enabled.md
index 4d430af27..53ba98eb9 100644
--- a/snippets/is-local-storage-enabled.md
+++ b/snippets/is-local-storage-enabled.md
@@ -1,10 +1,10 @@
 ---
 title: Check if localStorage is enabled
-tags: browser
+type: snippet
+tags: [browser]
 author: chalarangelo
 cover: guitar-living-room
-firstSeen: 2020-12-31T13:13:47+02:00
-lastUpdated: 2020-12-31T13:13:47+02:00
+dateModified: 2020-12-31T13:13:47+02:00
 ---
 
 Checks if `localStorage` is enabled.
diff --git a/snippets/is-lower-case.md b/snippets/is-lower-case.md
index a060a2df1..4e6a06df1 100644
--- a/snippets/is-lower-case.md
+++ b/snippets/is-lower-case.md
@@ -1,9 +1,9 @@
 ---
 title: String is lowercase
-tags: string
+type: snippet
+tags: [string]
 cover: flower-portrait-7
-firstSeen: 2018-01-06T11:16:05+02:00
-lastUpdated: 2020-10-20T11:21:07+03:00
+dateModified: 2020-10-20T11:21:07+03:00
 ---
 
 Checks if a string is lower case.
diff --git a/snippets/is-negative-zero.md b/snippets/is-negative-zero.md
index 31f434445..f2c8e7a4b 100644
--- a/snippets/is-negative-zero.md
+++ b/snippets/is-negative-zero.md
@@ -1,9 +1,9 @@
 ---
 title: Number is negative zero
-tags: math
+type: snippet
+tags: [math]
 cover: flower-portrait-8
-firstSeen: 2018-11-12T15:45:36+02:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if the given value is equal to negative zero (`-0`).
diff --git a/snippets/is-nil.md b/snippets/is-nil.md
index 02d0c6503..ee3c2d80f 100644
--- a/snippets/is-nil.md
+++ b/snippets/is-nil.md
@@ -1,9 +1,9 @@
 ---
 title: Value is nil
-tags: type
+type: snippet
+tags: [type]
 cover: river-houses
-firstSeen: 2018-01-16T16:50:21+02:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if the specified value is `null` or `undefined`.
diff --git a/snippets/is-node.md b/snippets/is-node.md
index eaccc9430..c7143167a 100644
--- a/snippets/is-node.md
+++ b/snippets/is-node.md
@@ -1,9 +1,9 @@
 ---
 title: Environment is Node.js
-tags: node
+type: snippet
+tags: [node]
 cover: cloudy-rock-formation
-firstSeen: 2020-10-12T20:01:21+03:00
-lastUpdated: 2021-04-02T11:45:13+03:00
+dateModified: 2021-04-02T11:45:13+03:00
 ---
 
 Determines if the current runtime environment is Node.js.
diff --git a/snippets/is-null.md b/snippets/is-null.md
index 242beb260..da8d28645 100644
--- a/snippets/is-null.md
+++ b/snippets/is-null.md
@@ -1,9 +1,9 @@
 ---
 title: Value is null
-tags: type
+type: snippet
+tags: [type]
 cover: broken-screen
-firstSeen: 2017-12-31T12:26:19+02:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if the specified value is `null`.
diff --git a/snippets/is-number.md b/snippets/is-number.md
index ba565597a..11420c6be 100644
--- a/snippets/is-number.md
+++ b/snippets/is-number.md
@@ -1,9 +1,9 @@
 ---
 title: Value is number
-tags: type,math
+type: snippet
+tags: [type,math]
 cover: red-petals
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Checks if the given argument is a number.
diff --git a/snippets/is-object-like.md b/snippets/is-object-like.md
index 5718e2ff7..4cb3d52f5 100644
--- a/snippets/is-object-like.md
+++ b/snippets/is-object-like.md
@@ -1,9 +1,9 @@
 ---
 title: Value is object-like
-tags: type,object
+type: snippet
+tags: [type,object]
 cover: orange-flower
-firstSeen: 2018-01-23T19:30:03+02:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Checks if a value is object-like.
diff --git a/snippets/is-object.md b/snippets/is-object.md
index c6455765c..8fac2723e 100644
--- a/snippets/is-object.md
+++ b/snippets/is-object.md
@@ -1,9 +1,9 @@
 ---
 title: Value is object
-tags: type,object
+type: snippet
+tags: [type,object]
 cover: flower-portrait-9
-firstSeen: 2018-01-11T12:24:06+02:00
-lastUpdated: 2021-01-08T00:23:44+02:00
+dateModified: 2021-01-08T00:23:44+02:00
 ---
 
 Checks if the passed value is an object or not.
diff --git a/snippets/is-odd.md b/snippets/is-odd.md
index f71e26925..69cd347f7 100644
--- a/snippets/is-odd.md
+++ b/snippets/is-odd.md
@@ -1,9 +1,9 @@
 ---
 title: Number is odd
-tags: math
+type: snippet
+tags: [math]
 cover: flower-portrait-5
-firstSeen: 2019-09-25T20:35:06+03:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if the given number is odd.
diff --git a/snippets/is-plain-object.md b/snippets/is-plain-object.md
index 79cbe5a39..c22884c02 100644
--- a/snippets/is-plain-object.md
+++ b/snippets/is-plain-object.md
@@ -1,9 +1,9 @@
 ---
 title: Value is plain object
-tags: type,object
+type: snippet
+tags: [type,object]
 cover: yellow-white-mug-1
-firstSeen: 2018-01-19T13:59:12+02:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if the provided value is an object created by the Object constructor.
diff --git a/snippets/is-power-of-ten.md b/snippets/is-power-of-ten.md
index 6bf2d7985..a0781dbad 100644
--- a/snippets/is-power-of-ten.md
+++ b/snippets/is-power-of-ten.md
@@ -1,10 +1,10 @@
 ---
 title: Number is power of ten
-tags: math
+type: snippet
+tags: [math]
 author: chalarangelo
 cover: boulder-beach
-firstSeen: 2021-01-06T22:53:58+02:00
-lastUpdated: 2021-01-06T22:53:58+02:00
+dateModified: 2021-01-06T22:53:58+02:00
 ---
 
 Checks if the given number is a power of `10`.
diff --git a/snippets/is-power-of-two.md b/snippets/is-power-of-two.md
index 179500c48..032fb9cf4 100644
--- a/snippets/is-power-of-two.md
+++ b/snippets/is-power-of-two.md
@@ -1,10 +1,10 @@
 ---
 title: Number is power of two
-tags: math
+type: snippet
+tags: [math]
 author: chalarangelo
 cover: flower-portrait-10
-firstSeen: 2019-12-31T13:17:12+02:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if the given number is a power of `2`.
diff --git a/snippets/is-prime.md b/snippets/is-prime.md
index b187984ba..c13237943 100644
--- a/snippets/is-prime.md
+++ b/snippets/is-prime.md
@@ -1,9 +1,9 @@
 ---
 title: Number is prime
-tags: math,algorithm
+type: snippet
+tags: [math,algorithm]
 cover: thread
-firstSeen: 2017-12-19T22:35:56+02:00
-lastUpdated: 2021-01-12T19:36:36+02:00
+dateModified: 2021-01-12T19:36:36+02:00
 ---
 
 Checks if the provided integer is a prime number.
diff --git a/snippets/is-primitive.md b/snippets/is-primitive.md
index da647817e..33f603ed4 100644
--- a/snippets/is-primitive.md
+++ b/snippets/is-primitive.md
@@ -1,9 +1,9 @@
 ---
 title: Number is primitive
-tags: type
+type: snippet
+tags: [type]
 cover: flower-camera
-firstSeen: 2017-12-31T12:48:13+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Checks if the passed value is primitive or not.
diff --git a/snippets/is-promise-like.md b/snippets/is-promise-like.md
index f6423a3fc..1afdc6cef 100644
--- a/snippets/is-promise-like.md
+++ b/snippets/is-promise-like.md
@@ -1,9 +1,9 @@
 ---
 title: Value is promise-like
-tags: type,function,promise
+type: snippet
+tags: [type,function,promise]
 cover: digital-nomad-13
-firstSeen: 2017-12-31T14:25:43+02:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if an object looks like a [`Promise`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise).
diff --git a/snippets/is-readable-stream.md b/snippets/is-readable-stream.md
index 77f4fd711..a18f4a8a7 100644
--- a/snippets/is-readable-stream.md
+++ b/snippets/is-readable-stream.md
@@ -1,9 +1,9 @@
 ---
 title: Stream is readable
-tags: node,type
+type: snippet
+tags: [node,type]
 cover: working-bee
-firstSeen: 2018-10-03T22:16:10+03:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if the given argument is a readable stream.
diff --git a/snippets/is-same-date.md b/snippets/is-same-date.md
index 86a364d22..119bb9d48 100644
--- a/snippets/is-same-date.md
+++ b/snippets/is-same-date.md
@@ -1,9 +1,9 @@
 ---
 title: Date is same as another date
-tags: date
+type: snippet
+tags: [date]
 cover: pineapple-at-work
-firstSeen: 2018-09-29T13:58:38+03:00
-lastUpdated: 2020-11-03T22:11:18+02:00
+dateModified: 2020-11-03T22:11:18+02:00
 ---
 
 Checks if a date is the same as another date.
diff --git a/snippets/is-same-origin.md b/snippets/is-same-origin.md
index c669cd738..2d9862ef9 100644
--- a/snippets/is-same-origin.md
+++ b/snippets/is-same-origin.md
@@ -1,10 +1,10 @@
 ---
 title: Same-origin URLs
-tags: browser
+type: snippet
+tags: [browser]
 author: chalarangelo
 cover: keyboard-tea
-firstSeen: 2021-04-22T08:27:41+03:00
-lastUpdated: 2021-04-22T08:27:41+03:00
+dateModified: 2021-04-22T08:27:41+03:00
 ---
 
 Checks if two URLs are on the same origin.
diff --git a/snippets/is-session-storage-enabled.md b/snippets/is-session-storage-enabled.md
index 7d1ecf1e0..72a6f3de6 100644
--- a/snippets/is-session-storage-enabled.md
+++ b/snippets/is-session-storage-enabled.md
@@ -1,10 +1,10 @@
 ---
 title: Check if sessionStorage is enabled
-tags: browser
+type: snippet
+tags: [browser]
 author: chalarangelo
 cover: flower-camera
-firstSeen: 2020-12-31T13:13:47+02:00
-lastUpdated: 2020-12-31T13:13:47+02:00
+dateModified: 2020-12-31T13:13:47+02:00
 ---
 
 Checks if `sessionStorage` is enabled.
diff --git a/snippets/is-sorted.md b/snippets/is-sorted.md
index 638f22e78..6f3c99143 100644
--- a/snippets/is-sorted.md
+++ b/snippets/is-sorted.md
@@ -1,9 +1,9 @@
 ---
 title: Array is sorted
-tags: array
+type: snippet
+tags: [array]
 cover: italian-horizon
-firstSeen: 2018-01-01T19:30:14+02:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if a numeric array is sorted.
diff --git a/snippets/is-stream.md b/snippets/is-stream.md
index 6799e41c1..acee28f4f 100644
--- a/snippets/is-stream.md
+++ b/snippets/is-stream.md
@@ -1,9 +1,9 @@
 ---
 title: Value is stream
-tags: node,type
+type: snippet
+tags: [node,type]
 cover: mountain-lake-cottage-2
-firstSeen: 2018-10-01T20:12:19+03:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if the given argument is a stream.
diff --git a/snippets/is-string.md b/snippets/is-string.md
index a6a69de09..1f344db71 100644
--- a/snippets/is-string.md
+++ b/snippets/is-string.md
@@ -1,9 +1,9 @@
 ---
 title: Value is string
-tags: type,string
+type: snippet
+tags: [type,string]
 cover: overgrown
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if the given argument is a string.
diff --git a/snippets/is-symbol.md b/snippets/is-symbol.md
index 5934f0871..ed9327d24 100644
--- a/snippets/is-symbol.md
+++ b/snippets/is-symbol.md
@@ -1,9 +1,9 @@
 ---
 title: Value is symbol
-tags: type
+type: snippet
+tags: [type]
 cover: naming-conventions
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Checks if the given argument is a symbol.
diff --git a/snippets/is-travis-ci.md b/snippets/is-travis-ci.md
index 0e52eefd9..cb2c72daa 100644
--- a/snippets/is-travis-ci.md
+++ b/snippets/is-travis-ci.md
@@ -1,10 +1,10 @@
 ---
 title: Environment is Travis CI
-tags: node
+type: snippet
+tags: [node]
 unlisted: true
 cover: succulent-5
-firstSeen: 2018-01-01T17:28:08+02:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if the current environment is [Travis CI](https://travis-ci.org/).
diff --git a/snippets/is-undefined.md b/snippets/is-undefined.md
index 4f163407c..9d48adbc4 100644
--- a/snippets/is-undefined.md
+++ b/snippets/is-undefined.md
@@ -1,9 +1,9 @@
 ---
 title: Value is undefined
-tags: type
+type: snippet
+tags: [type]
 cover: peaches
-firstSeen: 2018-01-16T16:50:21+02:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if the specified value is `undefined`.
diff --git a/snippets/is-upper-case.md b/snippets/is-upper-case.md
index 27b0e9433..6c5420a72 100644
--- a/snippets/is-upper-case.md
+++ b/snippets/is-upper-case.md
@@ -1,9 +1,9 @@
 ---
 title: String is uppercase
-tags: string
+type: snippet
+tags: [string]
 cover: flower-portrait-7
-firstSeen: 2018-01-06T11:16:05+02:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Checks if a string is upper case.
diff --git a/snippets/is-valid-json.md b/snippets/is-valid-json.md
index 1fb3d260e..f766d4d5c 100644
--- a/snippets/is-valid-json.md
+++ b/snippets/is-valid-json.md
@@ -1,9 +1,9 @@
 ---
 title: String is valid JSON
-tags: type
+type: snippet
+tags: [type]
 cover: italian-horizon
-firstSeen: 2017-12-31T14:53:01+02:00
-lastUpdated: 2020-10-18T13:49:49+03:00
+dateModified: 2020-10-18T13:49:49+03:00
 ---
 
 Checks if the provided string is a valid JSON.
diff --git a/snippets/is-weekday.md b/snippets/is-weekday.md
index 94c4a9c58..b07cbcdb9 100644
--- a/snippets/is-weekday.md
+++ b/snippets/is-weekday.md
@@ -1,9 +1,9 @@
 ---
 title: Date is weekday
-tags: date
+type: snippet
+tags: [date]
 cover: typewriter
-firstSeen: 2019-07-19T12:12:09+03:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if the given date is a weekday.
diff --git a/snippets/is-weekend.md b/snippets/is-weekend.md
index 91803483d..ffa6308a5 100644
--- a/snippets/is-weekend.md
+++ b/snippets/is-weekend.md
@@ -1,9 +1,9 @@
 ---
 title: Date is weekend
-tags: date
+type: snippet
+tags: [date]
 cover: tropical-bike
-firstSeen: 2019-07-19T17:07:02+03:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if the given date is a weekend.
diff --git a/snippets/is-writable-stream.md b/snippets/is-writable-stream.md
index 1a1db05d6..7436885d9 100644
--- a/snippets/is-writable-stream.md
+++ b/snippets/is-writable-stream.md
@@ -1,9 +1,9 @@
 ---
 title: Stream is writable
-tags: node,type
+type: snippet
+tags: [node,type]
 cover: digital-nomad-3
-firstSeen: 2018-10-03T22:16:10+03:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if the given argument is a writable stream.
diff --git a/snippets/is.md b/snippets/is.md
index a0998d20d..8323bfd3c 100644
--- a/snippets/is.md
+++ b/snippets/is.md
@@ -1,9 +1,9 @@
 ---
 title: Check if value is of type
-tags: type
+type: snippet
+tags: [type]
 cover: coffee-phone-tray
-firstSeen: 2018-01-17T21:23:46+02:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Checks if the provided value is of the specified type.
diff --git a/snippets/join.md b/snippets/join.md
index 277deed0a..9d30a4a50 100644
--- a/snippets/join.md
+++ b/snippets/join.md
@@ -1,9 +1,9 @@
 ---
 title: Join array into string
-tags: array
+type: snippet
+tags: [array]
 cover: couch-laptop
-firstSeen: 2018-01-01T12:18:40+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Joins all elements of an array into a string and returns this string.
diff --git a/snippets/jso-nto-csv.md b/snippets/jso-nto-csv.md
index 02772c77b..07a596959 100644
--- a/snippets/jso-nto-csv.md
+++ b/snippets/jso-nto-csv.md
@@ -1,9 +1,9 @@
 ---
 title: JSON to CSV
-tags: array,string,object
+type: snippet
+tags: [array,string,object]
 cover: horse-sunset
-firstSeen: 2018-07-06T20:25:46+03:00
-lastUpdated: 2021-10-13T19:29:39+02:00
+dateModified: 2021-10-13T19:29:39+02:00
 ---
 
 Converts an array of objects to a comma-separated values (CSV) string that contains only the `columns` specified.
diff --git a/snippets/json-to-file.md b/snippets/json-to-file.md
index b4676f6ea..3a975a236 100644
--- a/snippets/json-to-file.md
+++ b/snippets/json-to-file.md
@@ -1,9 +1,9 @@
 ---
 title: JSON to file
-tags: node
+type: snippet
+tags: [node]
 cover: travel-mug-3
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Writes a JSON object to a file.
diff --git a/snippets/juxt.md b/snippets/juxt.md
index 742ba1aa6..f09e257b4 100644
--- a/snippets/juxt.md
+++ b/snippets/juxt.md
@@ -1,9 +1,9 @@
 ---
 title: Juxtapose functions
-tags: function
+type: snippet
+tags: [function]
 cover: colorful-plastic
-firstSeen: 2020-05-20T19:58:39+03:00
-lastUpdated: 2020-10-20T23:29:39+03:00
+dateModified: 2020-10-20T23:29:39+03:00
 ---
 
 Takes several functions as argument and returns a function that is the juxtaposition of those functions.
diff --git a/snippets/k-means.md b/snippets/k-means.md
index dda9dcdd5..a11bd0c45 100644
--- a/snippets/k-means.md
+++ b/snippets/k-means.md
@@ -1,10 +1,10 @@
 ---
 title: K-means clustering
-tags: algorithm,array
+type: snippet
+tags: [algorithm,array]
 author: chalarangelo
 cover: antelope
-firstSeen: 2020-12-28T15:38:40+02:00
-lastUpdated: 2020-12-29T16:32:46+02:00
+dateModified: 2020-12-29T16:32:46+02:00
 ---
 
 Groups the given data into `k` clusters, using the [k-means clustering](https://en.wikipedia.org/wiki/K-means_clustering) algorithm.
diff --git a/snippets/k-nearest-neighbors.md b/snippets/k-nearest-neighbors.md
index bf1c92f59..c6c66d421 100644
--- a/snippets/k-nearest-neighbors.md
+++ b/snippets/k-nearest-neighbors.md
@@ -1,10 +1,10 @@
 ---
 title: K-nearest neighbors
-tags: algorithm,array
+type: snippet
+tags: [algorithm,array]
 author: chalarangelo
 cover: building-blocks
-firstSeen: 2020-12-28T16:31:43+02:00
-lastUpdated: 2021-10-13T19:29:39+02:00
+dateModified: 2021-10-13T19:29:39+02:00
 ---
 
 Classifies a data point relative to a labelled data set, using the [k-nearest neighbors](https://en.wikipedia.org/wiki/K-nearest_neighbors_algorithm) algorithm.
diff --git a/snippets/km-to-miles.md b/snippets/km-to-miles.md
index 94b7d605b..de7ed1164 100644
--- a/snippets/km-to-miles.md
+++ b/snippets/km-to-miles.md
@@ -1,10 +1,10 @@
 ---
 title: Km to miles
-tags: math
+type: snippet
+tags: [math]
 unlisted: true
 cover: succulent-3
-firstSeen: 2020-10-04T00:50:13+03:00
-lastUpdated: 2021-01-04T13:04:15+02:00
+dateModified: 2021-01-04T13:04:15+02:00
 ---
 
 Converts kilometers to miles.
diff --git a/snippets/last-date-of-month.md b/snippets/last-date-of-month.md
index 3d1e1a165..89b79881e 100644
--- a/snippets/last-date-of-month.md
+++ b/snippets/last-date-of-month.md
@@ -1,9 +1,9 @@
 ---
 title: Last date of month
-tags: date
+type: snippet
+tags: [date]
 cover: polar-bear
-firstSeen: 2020-10-09T20:36:54+03:00
-lastUpdated: 2020-10-09T22:01:42+03:00
+dateModified: 2020-10-09T22:01:42+03:00
 ---
 
 Returns the string representation of the last date in the given date's month.
diff --git a/snippets/last-n.md b/snippets/last-n.md
index 5395f3a59..d1693ecec 100644
--- a/snippets/last-n.md
+++ b/snippets/last-n.md
@@ -1,9 +1,10 @@
 ---
 title: Last n elements
-tags: array
+type: snippet
+tags: [array]
 author: chalarangelo
 cover: interior-5
-firstSeen: 2022-07-23T05:00:00-04:00
+dateModified: 2022-07-23T05:00:00-04:00
 ---
 
 Gets the last `n` elements of an array.
diff --git a/snippets/last.md b/snippets/last.md
index 382e62ad3..ee3a3a96d 100644
--- a/snippets/last.md
+++ b/snippets/last.md
@@ -1,9 +1,9 @@
 ---
 title: Last array element
-tags: array
+type: snippet
+tags: [array]
 cover: white-laptop
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-20T23:02:01+03:00
+dateModified: 2020-10-20T23:02:01+03:00
 ---
 
 Returns the last element in an array.
diff --git a/snippets/lcm.md b/snippets/lcm.md
index 07a2ce493..c1e568dfd 100644
--- a/snippets/lcm.md
+++ b/snippets/lcm.md
@@ -1,9 +1,9 @@
 ---
 title: Least common multiple
-tags: math,algorithm,recursion
+type: snippet
+tags: [math,algorithm,recursion]
 cover: waving-over-lake
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-12-28T13:49:24+02:00
+dateModified: 2020-12-28T13:49:24+02:00
 ---
 
 Calculates the least common multiple of two or more numbers.
diff --git a/snippets/left-substr-generator.md b/snippets/left-substr-generator.md
index 1012a3642..56324df5a 100644
--- a/snippets/left-substr-generator.md
+++ b/snippets/left-substr-generator.md
@@ -1,9 +1,10 @@
 ---
 title: Left substring generator
-tags: string,generator
+type: snippet
+tags: [string,generator]
 cover: boutique-home-office-1
 author: chalarangelo
-firstSeen: 2022-07-24T05:00:00-04:00
+dateModified: 2022-07-24T05:00:00-04:00
 ---
 
 Generates all left substrings of a given string.
diff --git a/snippets/levenshtein-distance.md b/snippets/levenshtein-distance.md
index 68d80db7d..37f2b67b8 100644
--- a/snippets/levenshtein-distance.md
+++ b/snippets/levenshtein-distance.md
@@ -1,10 +1,10 @@
 ---
 title: Levenshtein distance
-tags: string,algorithm
+type: snippet
+tags: [string,algorithm]
 author: chalarangelo
 cover: armchair
-firstSeen: 2020-12-27T19:49:12+02:00
-lastUpdated: 2020-12-29T16:27:50+02:00
+dateModified: 2020-12-29T16:27:50+02:00
 ---
 
 Calculates the difference between two strings, using the [Levenshtein distance](https://en.wikipedia.org/wiki/Levenshtein_distance) algorithm.
diff --git a/snippets/linear-search.md b/snippets/linear-search.md
index c78274ec3..b8853ad3d 100644
--- a/snippets/linear-search.md
+++ b/snippets/linear-search.md
@@ -1,9 +1,9 @@
 ---
 title: Linear search
-tags: algorithm,array
+type: snippet
+tags: [algorithm,array]
 cover: coworking-space
-firstSeen: 2020-12-28T12:07:53+02:00
-lastUpdated: 2020-12-28T12:07:53+02:00
+dateModified: 2020-12-28T12:07:53+02:00
 ---
 
 Finds the first index of a given element in an array using the linear search algorithm.
diff --git a/snippets/listen-once.md b/snippets/listen-once.md
index c53530a70..e6c068e30 100644
--- a/snippets/listen-once.md
+++ b/snippets/listen-once.md
@@ -1,10 +1,10 @@
 ---
 title: Listen for an event only once
-tags: browser,event
+type: snippet
+tags: [browser,event]
 author: chalarangelo
 cover: dog-waiting
-firstSeen: 2020-06-01T16:58:52+03:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Adds an event listener to an element that will only run the callback the first time the event is triggered.
diff --git a/snippets/listify.md b/snippets/listify.md
index 9da9ff6b7..6063dea38 100644
--- a/snippets/listify.md
+++ b/snippets/listify.md
@@ -1,9 +1,10 @@
 ---
 title: Map an object to an array
-tags: object,array
+type: snippet
+tags: [object,array]
 author: chalarangelo
 cover: metro-arrival
-firstSeen: 2023-02-05T05:00:00-04:00
+dateModified: 2023-02-05T05:00:00-04:00
 ---
 
 Maps an object to an object array, using the provided mapping function.
diff --git a/snippets/log-base.md b/snippets/log-base.md
index 556934a41..c454b372e 100644
--- a/snippets/log-base.md
+++ b/snippets/log-base.md
@@ -1,9 +1,9 @@
 ---
 title: Logarithm in specific base
-tags: math
+type: snippet
+tags: [math]
 cover: yellow-white-mug-2
-firstSeen: 2020-10-07T19:14:30+03:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Calculates the logarithm of the given number in the given base.
diff --git a/snippets/longest-item.md b/snippets/longest-item.md
index 7668fd00a..93395eadb 100644
--- a/snippets/longest-item.md
+++ b/snippets/longest-item.md
@@ -1,9 +1,9 @@
 ---
 title: Longest item in array
-tags: array
+type: snippet
+tags: [array]
 cover: interior-14
-firstSeen: 2018-01-08T21:33:47+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Takes any number of iterable objects or objects with a `length` property and returns the longest one.
diff --git a/snippets/lowerize.md b/snippets/lowerize.md
index 58456a543..07fa49fbb 100644
--- a/snippets/lowerize.md
+++ b/snippets/lowerize.md
@@ -1,9 +1,10 @@
 ---
 title: Lowercase object keys
-tags: object
+type: snippet
+tags: [object]
 author: chalarangelo
 cover: building-facade
-firstSeen: 2023-02-12T05:00:00-04:00
+dateModified: 2023-02-12T05:00:00-04:00
 ---
 
 Converts all the keys of an object to lower case.
diff --git a/snippets/luhn-check.md b/snippets/luhn-check.md
index fe657739a..9e844754b 100644
--- a/snippets/luhn-check.md
+++ b/snippets/luhn-check.md
@@ -1,10 +1,10 @@
 ---
 title: Luhn check
-tags: math,algorithm
+type: snippet
+tags: [math,algorithm]
 cover: blank-card
 excerpt: Implements the Luhn Algorithm, used to validate a variety of identification numbers.
-firstSeen: 2018-01-03T11:02:35+02:00
-lastUpdated: 2022-01-30T13:37:39+02:00
+dateModified: 2022-01-30T13:37:39+02:00
 ---
 
 Implements the [Luhn Algorithm](https://en.wikipedia.org/wiki/Luhn_algorithm) used to validate a variety of identification numbers, such as credit card numbers, IMEI numbers, National Provider Identifier numbers etc.
diff --git a/snippets/map-consecutive.md b/snippets/map-consecutive.md
index ef754de91..0dd70addb 100644
--- a/snippets/map-consecutive.md
+++ b/snippets/map-consecutive.md
@@ -1,9 +1,10 @@
 ---
 title: Map consecutive elements
-tags: array
+type: snippet
+tags: [array]
 author: chalarangelo
 cover: cold-mountains
-firstSeen: 2021-08-08T05:00:00-04:00
+dateModified: 2021-08-08T05:00:00-04:00
 ---
 
 Maps each block of `n` consecutive elements using the given function, `fn`.
diff --git a/snippets/map-keys.md b/snippets/map-keys.md
index 9d13b1c16..7023a4d4c 100644
--- a/snippets/map-keys.md
+++ b/snippets/map-keys.md
@@ -1,9 +1,9 @@
 ---
 title: Map object keys
-tags: object
+type: snippet
+tags: [object]
 cover: rocky-mountains-2
-firstSeen: 2018-01-11T20:33:14+02:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Maps the keys of an object using the provided function, generating a new object.
diff --git a/snippets/map-num-range.md b/snippets/map-num-range.md
index 83d15df3f..090c3f827 100644
--- a/snippets/map-num-range.md
+++ b/snippets/map-num-range.md
@@ -1,9 +1,9 @@
 ---
 title: Map number to range
-tags: math
+type: snippet
+tags: [math]
 cover: clutter
-firstSeen: 2019-02-23T12:38:16+02:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Maps a number from one range to another range.
diff --git a/snippets/map-object.md b/snippets/map-object.md
index a38c53302..712e26709 100644
--- a/snippets/map-object.md
+++ b/snippets/map-object.md
@@ -1,9 +1,9 @@
 ---
 title: Map array to object
-tags: array,object
+type: snippet
+tags: [array,object]
 cover: two-lighthouses
-firstSeen: 2017-12-18T12:11:58+02:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Maps the values of an array to an object using a function.
diff --git a/snippets/map-string.md b/snippets/map-string.md
index f5a53e459..a50e87392 100644
--- a/snippets/map-string.md
+++ b/snippets/map-string.md
@@ -1,9 +1,9 @@
 ---
 title: Map string
-tags: string
+type: snippet
+tags: [string]
 cover: budapest-palace
-firstSeen: 2018-07-14T10:59:56+03:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Creates a new string with the results of calling a provided function on every character in the given string.
diff --git a/snippets/map-to-object.md b/snippets/map-to-object.md
index fe1acd260..a6fe96128 100644
--- a/snippets/map-to-object.md
+++ b/snippets/map-to-object.md
@@ -1,10 +1,11 @@
 ---
 title: Convert Map to object
+type: snippet
 shortTitle: Map to object
-tags: object
+tags: [object]
 author: chalarangelo
 cover: succulent-1
-firstSeen: 2022-06-16T05:00:00-04:00
+dateModified: 2022-06-16T05:00:00-04:00
 ---
 
 Converts a `Map` to an object.
diff --git a/snippets/map-values.md b/snippets/map-values.md
index ca4643916..4a63cf5c0 100644
--- a/snippets/map-values.md
+++ b/snippets/map-values.md
@@ -1,9 +1,9 @@
 ---
 title: Map object values
-tags: object
+type: snippet
+tags: [object]
 cover: feathers
-firstSeen: 2018-01-11T20:33:14+02:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Maps the values of an object using the provided function, generating a new object with the same keys.
diff --git a/snippets/mask.md b/snippets/mask.md
index b9cc068a5..eda0707d3 100644
--- a/snippets/mask.md
+++ b/snippets/mask.md
@@ -1,9 +1,9 @@
 ---
 title: Mask a value
-tags: string
+type: snippet
+tags: [string]
 cover: rocky-beach-3
-firstSeen: 2018-01-01T13:02:59+02:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Replaces all but the last `num` of characters with the specified mask character.
diff --git a/snippets/matches-with.md b/snippets/matches-with.md
index e96df4986..70e1cd088 100644
--- a/snippets/matches-with.md
+++ b/snippets/matches-with.md
@@ -1,9 +1,9 @@
 ---
 title: Matches object properties based on function
-tags: object
+type: snippet
+tags: [object]
 cover: watermelon-bike
-firstSeen: 2018-01-23T20:17:32+02:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Compares two objects to determine if the first one contains equivalent property values to the second one, based on a provided function.
diff --git a/snippets/matches.md b/snippets/matches.md
index 8c58b9d28..f6103b651 100644
--- a/snippets/matches.md
+++ b/snippets/matches.md
@@ -1,9 +1,9 @@
 ---
 title: Match object properties
-tags: object
+type: snippet
+tags: [object]
 cover: two-flower-vases
-firstSeen: 2018-01-23T20:17:32+02:00
-lastUpdated: 2020-11-03T22:11:18+02:00
+dateModified: 2020-11-03T22:11:18+02:00
 ---
 
 Compares two objects to determine if the first one contains equivalent property values to the second one.
diff --git a/snippets/max-by.md b/snippets/max-by.md
index 630a88ff1..9b8b502f4 100644
--- a/snippets/max-by.md
+++ b/snippets/max-by.md
@@ -1,9 +1,9 @@
 ---
 title: Max array value based on function
-tags: math,array
+type: snippet
+tags: [math,array]
 cover: digital-nomad-4
-firstSeen: 2018-01-11T12:25:54+02:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Returns the maximum value of an array, after mapping each element to a value using the provided function.
diff --git a/snippets/max-date.md b/snippets/max-date.md
index d29237398..d5af95bac 100644
--- a/snippets/max-date.md
+++ b/snippets/max-date.md
@@ -1,9 +1,9 @@
 ---
 title: Max date
-tags: date
+type: snippet
+tags: [date]
 cover: interior-15
-firstSeen: 2018-09-29T13:38:20+03:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Returns the maximum of the given dates.
diff --git a/snippets/max-n.md b/snippets/max-n.md
index 71200cb85..91daca55d 100644
--- a/snippets/max-n.md
+++ b/snippets/max-n.md
@@ -1,9 +1,9 @@
 ---
 title: N max elements
-tags: math
+type: snippet
+tags: [math]
 cover: digital-nomad-15
-firstSeen: 2018-01-03T05:18:29+02:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Returns the `n` maximum elements from the provided array.
diff --git a/snippets/max-subarray.md b/snippets/max-subarray.md
index 3d8b5415a..8522149e6 100644
--- a/snippets/max-subarray.md
+++ b/snippets/max-subarray.md
@@ -1,9 +1,10 @@
 ---
 title: Maximum subarray
-tags: algorithm,math,array
+type: snippet
+tags: [algorithm,math,array]
 author: chalarangelo
 cover: work-hard-computer
-firstSeen: 2022-09-07T05:00:00-04:00
+dateModified: 2022-09-07T05:00:00-04:00
 ---
 
 Finds a contiguous subarray with the largest sum within an array of numbers.
diff --git a/snippets/median.md b/snippets/median.md
index f58e91226..a47999849 100644
--- a/snippets/median.md
+++ b/snippets/median.md
@@ -1,9 +1,9 @@
 ---
 title: Median
-tags: math
+type: snippet
+tags: [math]
 cover: old-consoles
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-22T20:23:47+03:00
+dateModified: 2020-10-22T20:23:47+03:00
 ---
 
 Calculates the median of an array of numbers.
diff --git a/snippets/memoize.md b/snippets/memoize.md
index cf8d991b2..7767c1859 100644
--- a/snippets/memoize.md
+++ b/snippets/memoize.md
@@ -1,9 +1,9 @@
 ---
 title: Memoize function
-tags: function
+type: snippet
+tags: [function]
 cover: hard-disk
-firstSeen: 2017-12-31T13:55:55+02:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Returns the memoized (cached) function.
diff --git a/snippets/merge-sort.md b/snippets/merge-sort.md
index 639336d91..c0cfc7372 100644
--- a/snippets/merge-sort.md
+++ b/snippets/merge-sort.md
@@ -1,9 +1,9 @@
 ---
 title: Merge sort
-tags: algorithm,array,recursion
+type: snippet
+tags: [algorithm,array,recursion]
 cover: baloons-field
-firstSeen: 2020-12-27T22:44:32+02:00
-lastUpdated: 2020-12-27T22:44:32+02:00
+dateModified: 2020-12-27T22:44:32+02:00
 ---
 
 Sorts an array of numbers, using the merge sort algorithm.
diff --git a/snippets/merge-sorted-arrays.md b/snippets/merge-sorted-arrays.md
index 53436ccd0..6f419f039 100644
--- a/snippets/merge-sorted-arrays.md
+++ b/snippets/merge-sorted-arrays.md
@@ -1,9 +1,9 @@
 ---
 title: Merge sorted arrays
-tags: array
+type: snippet
+tags: [array]
 cover: digital-nomad-6
-firstSeen: 2020-12-27T22:55:37+02:00
-lastUpdated: 2020-12-27T22:55:37+02:00
+dateModified: 2020-12-27T22:55:37+02:00
 ---
 
 Merges two sorted arrays into one.
diff --git a/snippets/merge.md b/snippets/merge.md
index 95f910c45..fb378df9e 100644
--- a/snippets/merge.md
+++ b/snippets/merge.md
@@ -1,9 +1,9 @@
 ---
 title: Merge objects
-tags: object,array
+type: snippet
+tags: [object,array]
 cover: guitar-living-room
-firstSeen: 2018-01-12T14:44:20+02:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Creates a new object from the combination of two or more objects.
diff --git a/snippets/midpoint.md b/snippets/midpoint.md
index 74327e641..789b706fe 100644
--- a/snippets/midpoint.md
+++ b/snippets/midpoint.md
@@ -1,9 +1,9 @@
 ---
 title: Midpoint
-tags: math
+type: snippet
+tags: [math]
 cover: curve
-firstSeen: 2018-11-15T17:49:04+02:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Calculates the midpoint between two pairs of (x,y) points.
diff --git a/snippets/miles-to-km.md b/snippets/miles-to-km.md
index 860400a6e..3c3ce4ce0 100644
--- a/snippets/miles-to-km.md
+++ b/snippets/miles-to-km.md
@@ -1,10 +1,10 @@
 ---
 title: Miles to km
-tags: math
+type: snippet
+tags: [math]
 unlisted: true
 cover: succulent-2
-firstSeen: 2020-10-04T00:51:51+03:00
-lastUpdated: 2021-01-04T13:04:15+02:00
+dateModified: 2021-01-04T13:04:15+02:00
 ---
 
 Converts miles to kilometers.
diff --git a/snippets/min-by.md b/snippets/min-by.md
index cfdca360a..7eacdd302 100644
--- a/snippets/min-by.md
+++ b/snippets/min-by.md
@@ -1,9 +1,9 @@
 ---
 title: Min array value based on function
-tags: math,array
+type: snippet
+tags: [math,array]
 cover: digital-nomad-9
-firstSeen: 2018-01-11T12:25:54+02:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Returns the minimum value of an array, after mapping each element to a value using the provided function.
diff --git a/snippets/min-date.md b/snippets/min-date.md
index f9f83461e..3b2213ebc 100644
--- a/snippets/min-date.md
+++ b/snippets/min-date.md
@@ -1,9 +1,9 @@
 ---
 title: Min date
-tags: date
+type: snippet
+tags: [date]
 cover: interior-2
-firstSeen: 2018-09-29T13:38:20+03:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Returns the minimum of the given dates.
diff --git a/snippets/min-n.md b/snippets/min-n.md
index 6382cbb73..8f74003ab 100644
--- a/snippets/min-n.md
+++ b/snippets/min-n.md
@@ -1,9 +1,9 @@
 ---
 title: N min elements
-tags: math
+type: snippet
+tags: [math]
 cover: digital-nomad-8
-firstSeen: 2018-01-03T05:18:29+02:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Returns the `n` minimum elements from the provided array.
diff --git a/snippets/most-frequent.md b/snippets/most-frequent.md
index 7441257b4..d892864f4 100644
--- a/snippets/most-frequent.md
+++ b/snippets/most-frequent.md
@@ -1,10 +1,10 @@
 ---
 title: Most frequent element in array
-tags: array
+type: snippet
+tags: [array]
 author: chalarangelo
 cover: clock
-firstSeen: 2020-01-03T15:32:46+02:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Returns the most frequent element in an array.
diff --git a/snippets/most-performant.md b/snippets/most-performant.md
index dab83f93f..bfe9075e1 100644
--- a/snippets/most-performant.md
+++ b/snippets/most-performant.md
@@ -1,9 +1,9 @@
 ---
 title: Most performant function
-tags: function
+type: snippet
+tags: [function]
 cover: lake-runner
-firstSeen: 2018-02-14T13:38:45+02:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Returns the index of the function in an array of functions which executed the fastest.
diff --git a/snippets/negate.md b/snippets/negate.md
index 51858eeb9..1d30519a3 100644
--- a/snippets/negate.md
+++ b/snippets/negate.md
@@ -1,9 +1,9 @@
 ---
 title: Negate predicate
-tags: function
+type: snippet
+tags: [function]
 cover: blue-bird
-firstSeen: 2017-12-24T08:28:52+02:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Negates a predicate function.
diff --git a/snippets/nest.md b/snippets/nest.md
index 8b46655ee..73929fa2d 100644
--- a/snippets/nest.md
+++ b/snippets/nest.md
@@ -1,9 +1,9 @@
 ---
 title: Nest objects
-tags: object,recursion
+type: snippet
+tags: [object,recursion]
 cover: birds
-firstSeen: 2018-02-24T13:49:56+02:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Nests recursively objects linked to one another in a flat array.
diff --git a/snippets/node-list-to-array.md b/snippets/node-list-to-array.md
index ad83fecae..9f4b6864f 100644
--- a/snippets/node-list-to-array.md
+++ b/snippets/node-list-to-array.md
@@ -1,9 +1,9 @@
 ---
 title: NodeList to array
-tags: browser,array
+type: snippet
+tags: [browser,array]
 cover: colors-mural
-firstSeen: 2018-05-06T18:11:21+03:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Converts a `NodeList` to an array.
diff --git a/snippets/none.md b/snippets/none.md
index 32e40806f..0d94fca63 100644
--- a/snippets/none.md
+++ b/snippets/none.md
@@ -1,9 +1,9 @@
 ---
 title: Test if all array elements are falsy
-tags: array
+type: snippet
+tags: [array]
 cover: bug
-firstSeen: 2018-02-14T11:46:15+02:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Checks if the provided predicate function returns `false` for all elements in a collection.
diff --git a/snippets/nor.md b/snippets/nor.md
index cfcd029a1..5b198494a 100644
--- a/snippets/nor.md
+++ b/snippets/nor.md
@@ -1,10 +1,10 @@
 ---
 title: Logical nor
-tags: math,logic
+type: snippet
+tags: [math,logic]
 unlisted: true
 cover: succulent-8
-firstSeen: 2021-03-29T21:20:41+03:00
-lastUpdated: 2021-04-02T16:47:15+03:00
+dateModified: 2021-04-02T16:47:15+03:00
 ---
 
 Checks if none of the arguments are `true`.
diff --git a/snippets/normalize-line-endings.md b/snippets/normalize-line-endings.md
index bcf4b7565..0f96fe325 100644
--- a/snippets/normalize-line-endings.md
+++ b/snippets/normalize-line-endings.md
@@ -1,10 +1,10 @@
 ---
 title: Normalize line endings
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 author: chalarangelo
 cover: red-light
-firstSeen: 2020-05-04T12:33:13+03:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Normalizes line endings in a string.
diff --git a/snippets/not.md b/snippets/not.md
index 1403e6519..8b6b84ace 100644
--- a/snippets/not.md
+++ b/snippets/not.md
@@ -1,10 +1,10 @@
 ---
 title: Logical not
-tags: math,logic
+type: snippet
+tags: [math,logic]
 unlisted: true
 cover: succulent-7
-firstSeen: 2020-05-13T11:28:26+03:00
-lastUpdated: 2021-01-04T13:04:15+02:00
+dateModified: 2021-01-04T13:04:15+02:00
 ---
 
 Returns the logical inverse of the given value.
diff --git a/snippets/nth-arg.md b/snippets/nth-arg.md
index 40b64b6c2..e06ea5e0c 100644
--- a/snippets/nth-arg.md
+++ b/snippets/nth-arg.md
@@ -1,9 +1,9 @@
 ---
 title: Nth argument
-tags: function
+type: snippet
+tags: [function]
 cover: mug-flower-book
-firstSeen: 2018-01-23T21:27:37+02:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Creates a function that gets the argument at index `n`.
diff --git a/snippets/nth-element.md b/snippets/nth-element.md
index 1a9199cdd..f7ecb16c2 100644
--- a/snippets/nth-element.md
+++ b/snippets/nth-element.md
@@ -1,9 +1,9 @@
 ---
 title: Nth element
-tags: array
+type: snippet
+tags: [array]
 cover: laptop-plants
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Returns the nth element of an array.
diff --git a/snippets/nth-root.md b/snippets/nth-root.md
index d24425f39..c1d523109 100644
--- a/snippets/nth-root.md
+++ b/snippets/nth-root.md
@@ -1,10 +1,10 @@
 ---
 title: Nth root of number
-tags: math
+type: snippet
+tags: [math]
 author: chalarangelo
 cover: tree-roots
-firstSeen: 2021-01-06T22:47:48+02:00
-lastUpdated: 2021-01-06T22:47:48+02:00
+dateModified: 2021-01-06T22:47:48+02:00
 ---
 
 Calculates the nth root of a given number.
diff --git a/snippets/object-from-pairs.md b/snippets/object-from-pairs.md
index 03bf8ccc4..a3aa96c1e 100644
--- a/snippets/object-from-pairs.md
+++ b/snippets/object-from-pairs.md
@@ -1,9 +1,9 @@
 ---
 title: Object from pairs
-tags: object,array
+type: snippet
+tags: [object,array]
 cover: silver-flat-screen
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Creates an object from the given key-value pairs.
diff --git a/snippets/object-to-entries.md b/snippets/object-to-entries.md
index 8f605459a..d1523cbea 100644
--- a/snippets/object-to-entries.md
+++ b/snippets/object-to-entries.md
@@ -1,10 +1,10 @@
 ---
 title: Object to entries
-tags: object,array
+type: snippet
+tags: [object,array]
 author: chalarangelo
 cover: shapes
-firstSeen: 2020-04-16T11:10:13+03:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Creates an array of key-value pair arrays from an object.
diff --git a/snippets/object-to-map.md b/snippets/object-to-map.md
index c89936546..99a86795e 100644
--- a/snippets/object-to-map.md
+++ b/snippets/object-to-map.md
@@ -1,10 +1,11 @@
 ---
 title: Convert object to Map
+type: snippet
 shortTitle: Object to Map
-tags: object
+tags: [object]
 author: chalarangelo
 cover: succulent-2
-firstSeen: 2022-06-16T05:00:00-04:00
+dateModified: 2022-06-16T05:00:00-04:00
 ---
 
 Converts an object to a `Map`.
diff --git a/snippets/object-to-pairs.md b/snippets/object-to-pairs.md
index 31da5689e..6c71eafb5 100644
--- a/snippets/object-to-pairs.md
+++ b/snippets/object-to-pairs.md
@@ -1,10 +1,10 @@
 ---
 title: Object to pairs
-tags: object,array
+type: snippet
+tags: [object,array]
 author: chalarangelo
 cover: interior-5
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Creates an array of key-value pair arrays from an object.
diff --git a/snippets/object-to-query-string.md b/snippets/object-to-query-string.md
index 847ace9af..89ccac1fe 100644
--- a/snippets/object-to-query-string.md
+++ b/snippets/object-to-query-string.md
@@ -1,9 +1,9 @@
 ---
 title: Object to query string
-tags: object
+type: snippet
+tags: [object]
 cover: standing-stones
-firstSeen: 2019-10-11T23:16:05+03:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Generates a query string from the key-value pairs of the given object.
diff --git a/snippets/objectify.md b/snippets/objectify.md
index 2acc6ba0c..5bae28449 100644
--- a/snippets/objectify.md
+++ b/snippets/objectify.md
@@ -1,9 +1,10 @@
 ---
 title: Map an array to an object
-tags: array,object
+type: snippet
+tags: [array,object]
 author: chalarangelo
 cover: metro-tunnel
-firstSeen: 2023-02-04T05:00:00-04:00
+dateModified: 2023-02-04T05:00:00-04:00
 ---
 
 Maps an object array to an object, using the provided mapping functions.
diff --git a/snippets/observe-mutations.md b/snippets/observe-mutations.md
index 8675e76d1..e572f4f90 100644
--- a/snippets/observe-mutations.md
+++ b/snippets/observe-mutations.md
@@ -1,9 +1,9 @@
 ---
 title: Observe element mutations
-tags: browser,event
+type: snippet
+tags: [browser,event]
 cover: blue-sunrise
-firstSeen: 2018-01-13T14:58:52+02:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Creates a new `MutationObserver` and runs the provided callback for each mutation on the specified element.
diff --git a/snippets/off.md b/snippets/off.md
index 27c68a79c..3e741f1ac 100644
--- a/snippets/off.md
+++ b/snippets/off.md
@@ -1,9 +1,9 @@
 ---
 title: Remove event listener from element
-tags: browser,event
+type: snippet
+tags: [browser,event]
 cover: mug-flower-book
-firstSeen: 2018-01-05T14:33:48+02:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Removes an event listener from an element.
diff --git a/snippets/offset.md b/snippets/offset.md
index 550061f57..e33f57d7a 100644
--- a/snippets/offset.md
+++ b/snippets/offset.md
@@ -1,9 +1,9 @@
 ---
 title: Offset array elements
-tags: array
+type: snippet
+tags: [array]
 cover: interior-10
-firstSeen: 2018-04-10T19:07:50+03:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Moves the specified amount of elements to the end of the array.
diff --git a/snippets/omit-by.md b/snippets/omit-by.md
index ae9083e00..61c699590 100644
--- a/snippets/omit-by.md
+++ b/snippets/omit-by.md
@@ -1,9 +1,9 @@
 ---
 title: Omit matching object keys
-tags: object
+type: snippet
+tags: [object]
 cover: leafy-screens
-firstSeen: 2018-01-19T13:23:45+02:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Creates an object composed of the properties the given function returns falsy for.
diff --git a/snippets/omit.md b/snippets/omit.md
index 307591448..2e5864905 100644
--- a/snippets/omit.md
+++ b/snippets/omit.md
@@ -1,9 +1,9 @@
 ---
 title: Omit object keys
-tags: object
+type: snippet
+tags: [object]
 cover: broken-screen
-firstSeen: 2018-01-19T13:14:46+02:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Omits the key-value pairs corresponding to the given keys from an object.
diff --git a/snippets/on-click-outside.md b/snippets/on-click-outside.md
index 5365c962e..cd4dc1832 100644
--- a/snippets/on-click-outside.md
+++ b/snippets/on-click-outside.md
@@ -1,10 +1,10 @@
 ---
 title: Handle click outside
-tags: browser,event
+type: snippet
+tags: [browser,event]
 author: chalarangelo
 cover: interior-13
-firstSeen: 2021-01-06T13:57:56+02:00
-lastUpdated: 2021-01-06T13:57:56+02:00
+dateModified: 2021-01-06T13:57:56+02:00
 ---
 
 Runs the callback whenever the user clicks outside of the specified element.
diff --git a/snippets/on-scroll-stop.md b/snippets/on-scroll-stop.md
index 0f7ac47a0..3217e5d94 100644
--- a/snippets/on-scroll-stop.md
+++ b/snippets/on-scroll-stop.md
@@ -1,10 +1,10 @@
 ---
 title: Handle scroll stop
-tags: browser,event
+type: snippet
+tags: [browser,event]
 author: chalarangelo
 cover: flower-pond
-firstSeen: 2021-01-07T00:31:14+02:00
-lastUpdated: 2021-01-07T00:31:14+02:00
+dateModified: 2021-01-07T00:31:14+02:00
 ---
 
 Runs the callback whenever the user has stopped scrolling.
diff --git a/snippets/on-user-input-change.md b/snippets/on-user-input-change.md
index 402a9f56a..b2c70c54c 100644
--- a/snippets/on-user-input-change.md
+++ b/snippets/on-user-input-change.md
@@ -1,9 +1,9 @@
 ---
 title: Handle user input change
-tags: browser,event
+type: snippet
+tags: [browser,event]
 cover: digital-nomad-12
-firstSeen: 2017-12-29T17:41:53+02:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Runs the callback whenever the user input type changes (`mouse` or `touch`).
diff --git a/snippets/on.md b/snippets/on.md
index f42f18215..586862d58 100644
--- a/snippets/on.md
+++ b/snippets/on.md
@@ -1,9 +1,9 @@
 ---
 title: Add event listener to element
-tags: browser,event
+type: snippet
+tags: [browser,event]
 cover: wooden-bowl
-firstSeen: 2018-01-05T14:33:48+02:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Adds an event listener to an element with the ability to use event delegation.
diff --git a/snippets/once.md b/snippets/once.md
index 4e0ecd6f5..ef0b69e87 100644
--- a/snippets/once.md
+++ b/snippets/once.md
@@ -1,9 +1,9 @@
 ---
 title: Call function once
-tags: function
+type: snippet
+tags: [function]
 cover: pink-flower-tree
-firstSeen: 2018-01-02T00:40:46+02:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Ensures a function is called only once.
diff --git a/snippets/or.md b/snippets/or.md
index 3403a41da..1977e4334 100644
--- a/snippets/or.md
+++ b/snippets/or.md
@@ -1,10 +1,10 @@
 ---
 title: Logical or
-tags: math,logic
+type: snippet
+tags: [math,logic]
 unlisted: true
 cover: succulent-4
-firstSeen: 2020-05-13T11:35:41+03:00
-lastUpdated: 2021-01-04T13:04:15+02:00
+dateModified: 2021-01-04T13:04:15+02:00
 ---
 
 Checks if at least one of the arguments is `true`.
diff --git a/snippets/order-by.md b/snippets/order-by.md
index 9b8fb64c4..051dbaeda 100644
--- a/snippets/order-by.md
+++ b/snippets/order-by.md
@@ -1,9 +1,9 @@
 ---
 title: Order array of objects
-tags: object,array
+type: snippet
+tags: [object,array]
 cover: volcano-sunset
-firstSeen: 2017-12-20T11:33:20+02:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Sorts an array of objects, ordered by properties and orders.
diff --git a/snippets/order-with.md b/snippets/order-with.md
index aaedf4234..33a759991 100644
--- a/snippets/order-with.md
+++ b/snippets/order-with.md
@@ -1,9 +1,9 @@
 ---
 title: Order array of objects based on property order
-tags: array,object
+type: snippet
+tags: [array,object]
 cover: san-francisco-skyline
-firstSeen: 2020-10-04T12:11:10+03:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Sorts an array of objects, ordered by a property, based on the array of orders provided.
diff --git a/snippets/over-args.md b/snippets/over-args.md
index b438148c1..e87dd8203 100644
--- a/snippets/over-args.md
+++ b/snippets/over-args.md
@@ -1,9 +1,9 @@
 ---
 title: Transform function arguments
-tags: function
+type: snippet
+tags: [function]
 cover: flower-shape-sunset
-firstSeen: 2018-01-28T14:54:16+02:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Creates a function that invokes the provided function with its arguments transformed.
diff --git a/snippets/over.md b/snippets/over.md
index 70746a322..4cebbf2be 100644
--- a/snippets/over.md
+++ b/snippets/over.md
@@ -1,9 +1,9 @@
 ---
 title: Invoke functions on arguments
-tags: function
+type: snippet
+tags: [function]
 cover: jars-on-shelf
-firstSeen: 2018-01-23T21:02:17+02:00
-lastUpdated: 2020-10-21T21:54:53+03:00
+dateModified: 2020-10-21T21:54:53+03:00
 ---
 
 Creates a function that invokes each provided function with the arguments it receives and returns the results.
diff --git a/snippets/pad-number.md b/snippets/pad-number.md
index d53c56053..30fa458de 100644
--- a/snippets/pad-number.md
+++ b/snippets/pad-number.md
@@ -1,9 +1,9 @@
 ---
 title: Pad number
-tags: string,math
+type: snippet
+tags: [string,math]
 cover: flower-portrait-2
-firstSeen: 2020-10-03T23:31:08+03:00
-lastUpdated: 2020-10-03T23:31:08+03:00
+dateModified: 2020-10-03T23:31:08+03:00
 ---
 
 Pads a given number to the specified length.
diff --git a/snippets/pad.md b/snippets/pad.md
index f8aaf89ad..42f54b932 100644
--- a/snippets/pad.md
+++ b/snippets/pad.md
@@ -1,9 +1,9 @@
 ---
 title: Pad string
-tags: string
+type: snippet
+tags: [string]
 cover: blue-lake
-firstSeen: 2018-02-24T11:51:27+02:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Pads a string on both sides with the specified character, if it's shorter than the specified `length`.
diff --git a/snippets/palindrome.md b/snippets/palindrome.md
index 18c0dc503..d74d4d656 100644
--- a/snippets/palindrome.md
+++ b/snippets/palindrome.md
@@ -1,9 +1,9 @@
 ---
 title: Palindrome
-tags: string
+type: snippet
+tags: [string]
 cover: bridge-drop
-firstSeen: 2017-12-17T16:41:31+02:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Checks if the given string is a palindrome.
diff --git a/snippets/parse-cookie.md b/snippets/parse-cookie.md
index c5d6a8a2c..89619dd5b 100644
--- a/snippets/parse-cookie.md
+++ b/snippets/parse-cookie.md
@@ -1,9 +1,9 @@
 ---
 title: Parse cookie
-tags: browser,string
+type: snippet
+tags: [browser,string]
 cover: three-vases
-firstSeen: 2018-01-13T14:19:21+02:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Parses an HTTP Cookie header string, returning an object of all cookie name-value pairs.
diff --git a/snippets/partial-right.md b/snippets/partial-right.md
index 466023c96..9687bb2d1 100644
--- a/snippets/partial-right.md
+++ b/snippets/partial-right.md
@@ -1,9 +1,9 @@
 ---
 title: Append function arguments
-tags: function
+type: snippet
+tags: [function]
 cover: jars-on-shelf-2
-firstSeen: 2018-01-24T14:40:16+02:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Creates a function that invokes `fn` with `partials` appended to the arguments it receives.
diff --git a/snippets/partial.md b/snippets/partial.md
index 5f0a2bea3..9d4f51280 100644
--- a/snippets/partial.md
+++ b/snippets/partial.md
@@ -1,9 +1,9 @@
 ---
 title: Prepend function arguments
-tags: function
+type: snippet
+tags: [function]
 cover: interior-6
-firstSeen: 2018-01-24T14:40:16+02:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Creates a function that invokes `fn` with `partials` prepended to the arguments it receives.
diff --git a/snippets/partition-by.md b/snippets/partition-by.md
index 01cb1f647..36810e85f 100644
--- a/snippets/partition-by.md
+++ b/snippets/partition-by.md
@@ -1,9 +1,9 @@
 ---
 title: Partition array
-tags: array,object
+type: snippet
+tags: [array,object]
 cover: people-on-beach
-firstSeen: 2020-05-20T17:48:13+03:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Applies `fn` to each value in `arr`, splitting it each time the provided function returns a new value.
diff --git a/snippets/partition.md b/snippets/partition.md
index 94a7f54ab..7673f9a00 100644
--- a/snippets/partition.md
+++ b/snippets/partition.md
@@ -1,9 +1,9 @@
 ---
 title: Partition array in two
-tags: array,object
+type: snippet
+tags: [array,object]
 cover: sunflowers
-firstSeen: 2018-01-08T16:58:23+02:00
-lastUpdated: 2020-11-03T21:46:13+02:00
+dateModified: 2020-11-03T21:46:13+02:00
 ---
 
 Groups the elements into two arrays, depending on the provided function's truthiness for each element.
diff --git a/snippets/percentile.md b/snippets/percentile.md
index a8809e338..0d549c679 100644
--- a/snippets/percentile.md
+++ b/snippets/percentile.md
@@ -1,9 +1,9 @@
 ---
 title: Percentile of matches
-tags: math
+type: snippet
+tags: [math]
 cover: red-berries
-firstSeen: 2017-12-13T12:50:16+02:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Calculates the percentage of numbers in the given array that are less or equal to the given value.
diff --git a/snippets/permutations.md b/snippets/permutations.md
index d8dcb2b40..29008939d 100644
--- a/snippets/permutations.md
+++ b/snippets/permutations.md
@@ -1,9 +1,9 @@
 ---
 title: Array permutations
-tags: array,algorithm,recursion
+type: snippet
+tags: [array,algorithm,recursion]
 cover: body-of-water
-firstSeen: 2018-02-19T15:47:47+02:00
-lastUpdated: 2020-12-28T13:49:24+02:00
+dateModified: 2020-12-28T13:49:24+02:00
 ---
 
 Generates all permutations of an array's elements (contains duplicates).
diff --git a/snippets/pick-by.md b/snippets/pick-by.md
index 5f8b40c01..1a477efbc 100644
--- a/snippets/pick-by.md
+++ b/snippets/pick-by.md
@@ -1,9 +1,9 @@
 ---
 title: Pick matching object keys
-tags: object
+type: snippet
+tags: [object]
 cover: lake-bench
-firstSeen: 2018-01-19T13:23:45+02:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Creates an object composed of the properties the given function returns truthy for.
diff --git a/snippets/pick.md b/snippets/pick.md
index 383672a26..10fb43580 100644
--- a/snippets/pick.md
+++ b/snippets/pick.md
@@ -1,9 +1,9 @@
 ---
 title: Pick object keys
-tags: object
+type: snippet
+tags: [object]
 cover: fruit-feast
-firstSeen: 2017-12-13T23:51:34+02:00
-lastUpdated: 2020-10-18T14:58:09+03:00
+dateModified: 2020-10-18T14:58:09+03:00
 ---
 
 Picks the key-value pairs corresponding to the given keys from an object.
diff --git a/snippets/pipe-async-functions.md b/snippets/pipe-async-functions.md
index 5315b0aa4..f96b14cd6 100644
--- a/snippets/pipe-async-functions.md
+++ b/snippets/pipe-async-functions.md
@@ -1,9 +1,9 @@
 ---
 title: Pipe async functions
-tags: function,promise
+type: snippet
+tags: [function,promise]
 cover: new-york-skyline
-firstSeen: 2018-01-27T18:17:44+02:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Performs left-to-right function composition for asynchronous functions.
diff --git a/snippets/pipe-functions.md b/snippets/pipe-functions.md
index 3ee884b2f..3407054c9 100644
--- a/snippets/pipe-functions.md
+++ b/snippets/pipe-functions.md
@@ -1,9 +1,9 @@
 ---
 title: Pipe functions
-tags: function
+type: snippet
+tags: [function]
 cover: goat-wooden-cottage
-firstSeen: 2017-12-26T19:02:27+02:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Performs left-to-right function composition.
diff --git a/snippets/pluck.md b/snippets/pluck.md
index 2a2d5389a..7df82f5fb 100644
--- a/snippets/pluck.md
+++ b/snippets/pluck.md
@@ -1,9 +1,9 @@
 ---
 title: Pluck values from array of objects
-tags: array,object
+type: snippet
+tags: [array,object]
 cover: birds
-firstSeen: 2020-10-18T01:19:37+03:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Converts an array of objects into an array of values corresponding to the specified `key`.
diff --git a/snippets/pluralize.md b/snippets/pluralize.md
index 7d8fa62a4..1c6e3cc5c 100644
--- a/snippets/pluralize.md
+++ b/snippets/pluralize.md
@@ -1,9 +1,9 @@
 ---
 title: Pluralize string
-tags: string
+type: snippet
+tags: [string]
 cover: shell-focus
-firstSeen: 2018-01-03T13:17:19+02:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Returns the singular or plural form of the word based on the input number, using an optional dictionary if supplied.
diff --git a/snippets/powerset.md b/snippets/powerset.md
index a9d28faf6..c82706f45 100644
--- a/snippets/powerset.md
+++ b/snippets/powerset.md
@@ -1,9 +1,9 @@
 ---
 title: Powerset
-tags: math,algorithm
+type: snippet
+tags: [math,algorithm]
 cover: new-plant
-firstSeen: 2017-12-07T14:41:33+02:00
-lastUpdated: 2021-09-27T15:27:07+02:00
+dateModified: 2021-09-27T15:27:07+02:00
 ---
 
 Returns the powerset of a given array of numbers.
diff --git a/snippets/prefers-dark-color-scheme.md b/snippets/prefers-dark-color-scheme.md
index d25e62a0f..67fa8a22a 100644
--- a/snippets/prefers-dark-color-scheme.md
+++ b/snippets/prefers-dark-color-scheme.md
@@ -1,10 +1,10 @@
 ---
 title: User prefers dark color scheme
-tags: browser
+type: snippet
+tags: [browser]
 author: chalarangelo
 cover: blue-lake
-firstSeen: 2020-05-04T12:50:35+03:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Checks if the user color scheme preference is `dark`.
diff --git a/snippets/prefers-light-color-scheme.md b/snippets/prefers-light-color-scheme.md
index cb658fc4e..bce6bf273 100644
--- a/snippets/prefers-light-color-scheme.md
+++ b/snippets/prefers-light-color-scheme.md
@@ -1,10 +1,10 @@
 ---
 title: User prefers light color scheme
-tags: browser
+type: snippet
+tags: [browser]
 author: chalarangelo
 cover: dark-mode
-firstSeen: 2020-05-04T12:50:35+03:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Checks if the user color scheme preference is `light`.
diff --git a/snippets/prefix.md b/snippets/prefix.md
index 739015ada..bb2d5d67b 100644
--- a/snippets/prefix.md
+++ b/snippets/prefix.md
@@ -1,9 +1,9 @@
 ---
 title: Prefix CSS property
-tags: browser
+type: snippet
+tags: [browser]
 cover: cancel-typographer
-firstSeen: 2018-03-08T15:22:54+02:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Prefixes a CSS property based on the current browser.
diff --git a/snippets/pretty-bytes.md b/snippets/pretty-bytes.md
index 8c5d3d5ed..6b12cea2c 100644
--- a/snippets/pretty-bytes.md
+++ b/snippets/pretty-bytes.md
@@ -1,9 +1,9 @@
 ---
 title: Pretty-print number of bytes
-tags: string,math
+type: snippet
+tags: [string,math]
 cover: digital-nomad
-firstSeen: 2018-01-01T18:20:09+02:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Converts a number in bytes to a human-readable string.
diff --git a/snippets/prime-factors.md b/snippets/prime-factors.md
index d7a12ec43..fbb29fcfd 100644
--- a/snippets/prime-factors.md
+++ b/snippets/prime-factors.md
@@ -1,9 +1,9 @@
 ---
 title: Prime factors of number
-tags: math,algorithm
+type: snippet
+tags: [math,algorithm]
 cover: dark-leaves-3
-firstSeen: 2020-12-28T13:11:01+02:00
-lastUpdated: 2020-12-28T13:11:01+02:00
+dateModified: 2020-12-28T13:11:01+02:00
 ---
 
 Finds the prime factors of a given number using the trial division algorithm.
diff --git a/snippets/primes.md b/snippets/primes.md
index 0fb40e927..fd3e087fe 100644
--- a/snippets/primes.md
+++ b/snippets/primes.md
@@ -1,9 +1,9 @@
 ---
 title: Primes up to given number
-tags: math,algorithm
+type: snippet
+tags: [math,algorithm]
 cover: apples
-firstSeen: 2017-12-21T12:20:22+02:00
-lastUpdated: 2020-12-28T13:49:24+02:00
+dateModified: 2020-12-28T13:49:24+02:00
 ---
 
 Generates primes up to a given number, using the Sieve of Eratosthenes.
diff --git a/snippets/prod.md b/snippets/prod.md
index 60e58c1ef..1ccad8035 100644
--- a/snippets/prod.md
+++ b/snippets/prod.md
@@ -1,9 +1,9 @@
 ---
 title: Product of numeric values
-tags: math
+type: snippet
+tags: [math]
 cover: travel-mug-1
-firstSeen: 2020-10-15T21:56:51+03:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Calculates the product of two or more numbers/arrays.
diff --git a/snippets/promisify.md b/snippets/promisify.md
index 8352d951b..e7ba466f8 100644
--- a/snippets/promisify.md
+++ b/snippets/promisify.md
@@ -1,9 +1,9 @@
 ---
 title: Promisify function
-tags: function,promise
+type: snippet
+tags: [function,promise]
 cover: duck-plants
-firstSeen: 2017-12-13T12:27:43+02:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Converts an asynchronous function to return a promise.
diff --git a/snippets/pull-at-index.md b/snippets/pull-at-index.md
index 2e7d3cac1..36329c9e3 100644
--- a/snippets/pull-at-index.md
+++ b/snippets/pull-at-index.md
@@ -1,9 +1,9 @@
 ---
 title: Pull values from array at index
-tags: array
+type: snippet
+tags: [array]
 cover: bug
-firstSeen: 2017-12-19T00:42:47+02:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Mutates the original array to filter out the values at the specified indexes.
diff --git a/snippets/pull-at-value.md b/snippets/pull-at-value.md
index addb482ac..dd9614d9c 100644
--- a/snippets/pull-at-value.md
+++ b/snippets/pull-at-value.md
@@ -1,9 +1,9 @@
 ---
 title: Pull matching values from array
-tags: array
+type: snippet
+tags: [array]
 cover: light-leaves
-firstSeen: 2017-12-19T08:06:29+02:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Mutates the original array to filter out the values specified.
diff --git a/snippets/pull-by.md b/snippets/pull-by.md
index 0ea408f99..a03bb3e64 100644
--- a/snippets/pull-by.md
+++ b/snippets/pull-by.md
@@ -1,9 +1,9 @@
 ---
 title: Pull values from array based on function
-tags: array
+type: snippet
+tags: [array]
 cover: fishermen
-firstSeen: 2018-01-26T13:48:50+02:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Mutates the original array to filter out the values specified, based on a given iterator function.
diff --git a/snippets/pull.md b/snippets/pull.md
index cb49dcaf9..299db56d8 100644
--- a/snippets/pull.md
+++ b/snippets/pull.md
@@ -1,9 +1,9 @@
 ---
 title: Pull values from array
-tags: array
+type: snippet
+tags: [array]
 cover: last-light
-firstSeen: 2017-12-17T16:41:31+02:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Mutates the original array to filter out the values specified.
diff --git a/snippets/quarter-of-year.md b/snippets/quarter-of-year.md
index 9779b9ad5..4c237aff2 100644
--- a/snippets/quarter-of-year.md
+++ b/snippets/quarter-of-year.md
@@ -1,9 +1,9 @@
 ---
 title: Quarter of year
-tags: date
+type: snippet
+tags: [date]
 cover: fallen-leaves
-firstSeen: 2020-10-09T10:23:55+03:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Returns the quarter and year to which the supplied date belongs to.
diff --git a/snippets/query-string-to-object.md b/snippets/query-string-to-object.md
index f1a9f356e..350340f98 100644
--- a/snippets/query-string-to-object.md
+++ b/snippets/query-string-to-object.md
@@ -1,9 +1,9 @@
 ---
 title: Query string to object
-tags: object
+type: snippet
+tags: [object]
 cover: dark-mode
-firstSeen: 2020-10-20T20:25:32+03:00
-lastUpdated: 2020-11-03T22:11:18+02:00
+dateModified: 2020-11-03T22:11:18+02:00
 ---
 
 Generates an object from the given query string or URL.
diff --git a/snippets/quick-sort.md b/snippets/quick-sort.md
index 8bb1b744a..0bde5aa62 100644
--- a/snippets/quick-sort.md
+++ b/snippets/quick-sort.md
@@ -1,9 +1,9 @@
 ---
 title: Quick sort
-tags: algorithm,array,recursion
+type: snippet
+tags: [algorithm,array,recursion]
 cover: eagle
-firstSeen: 2017-12-28T13:42:41+02:00
-lastUpdated: 2021-10-13T19:29:39+02:00
+dateModified: 2021-10-13T19:29:39+02:00
 ---
 
 Sorts an array of numbers, using the quicksort algorithm.
diff --git a/snippets/rads-to-degrees.md b/snippets/rads-to-degrees.md
index 195cee64d..435600f76 100644
--- a/snippets/rads-to-degrees.md
+++ b/snippets/rads-to-degrees.md
@@ -1,9 +1,9 @@
 ---
 title: Radians to degrees
-tags: math
+type: snippet
+tags: [math]
 cover: flower-portrait-6
-firstSeen: 2018-02-14T12:24:50+02:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Converts an angle from radians to degrees.
diff --git a/snippets/random-alpha-numeric.md b/snippets/random-alpha-numeric.md
index fc3f4aed5..1a6390b83 100644
--- a/snippets/random-alpha-numeric.md
+++ b/snippets/random-alpha-numeric.md
@@ -1,9 +1,9 @@
 ---
 title: Random alphanumeric string
-tags: string,random
+type: snippet
+tags: [string,random]
 cover: interior-5
-firstSeen: 2020-10-06T18:33:29+03:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Generates a random string with the specified length.
diff --git a/snippets/random-boolean.md b/snippets/random-boolean.md
index 5e0e554bd..f2db1a476 100644
--- a/snippets/random-boolean.md
+++ b/snippets/random-boolean.md
@@ -1,10 +1,10 @@
 ---
 title: Random boolean value
-tags: math,random
+type: snippet
+tags: [math,random]
 author: chalarangelo
 cover: malibu
-firstSeen: 2021-01-20T16:20:08+02:00
-lastUpdated: 2021-01-20T16:20:08+02:00
+dateModified: 2021-01-20T16:20:08+02:00
 ---
 
 Generates a random boolean value.
diff --git a/snippets/random-gauss.md b/snippets/random-gauss.md
index 4cc8025f9..c8ae44e71 100644
--- a/snippets/random-gauss.md
+++ b/snippets/random-gauss.md
@@ -1,9 +1,10 @@
 ---
 title: Generate Gaussian random numbers
-tags: math,random
+type: snippet
+tags: [math,random]
 cover: chess-pawns
 author: chalarangelo
-firstSeen: 2023-04-03T05:00:00-04:00
+dateModified: 2023-04-03T05:00:00-04:00
 ---
 
 Generates Gaussian (normally distributed) random numbers.
diff --git a/snippets/random-hex-color-code.md b/snippets/random-hex-color-code.md
index 7d50de95e..b983dbb1e 100644
--- a/snippets/random-hex-color-code.md
+++ b/snippets/random-hex-color-code.md
@@ -1,9 +1,9 @@
 ---
 title: Random hex color code
-tags: math,random
+type: snippet
+tags: [math,random]
 cover: feathers
-firstSeen: 2017-12-24T14:39:21+02:00
-lastUpdated: 2021-01-08T00:23:44+02:00
+dateModified: 2021-01-08T00:23:44+02:00
 ---
 
 Generates a random hexadecimal color code.
diff --git a/snippets/random-int-array-in-range.md b/snippets/random-int-array-in-range.md
index 6751676b4..fe15448ff 100644
--- a/snippets/random-int-array-in-range.md
+++ b/snippets/random-int-array-in-range.md
@@ -1,9 +1,9 @@
 ---
 title: Random integer array in range
-tags: math,random
+type: snippet
+tags: [math,random]
 cover: digital-nomad-11
-firstSeen: 2018-01-15T13:25:18+02:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Generates an array of `n` random integers in the specified range.
diff --git a/snippets/random-integer-in-range.md b/snippets/random-integer-in-range.md
index 6432107c9..54945a023 100644
--- a/snippets/random-integer-in-range.md
+++ b/snippets/random-integer-in-range.md
@@ -1,9 +1,9 @@
 ---
 title: Random integer in range
-tags: math,random
+type: snippet
+tags: [math,random]
 cover: painters-desk
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Generates a random integer in the specified range.
diff --git a/snippets/random-number-in-range.md b/snippets/random-number-in-range.md
index d5dd38bdd..79fde3cc9 100644
--- a/snippets/random-number-in-range.md
+++ b/snippets/random-number-in-range.md
@@ -1,9 +1,9 @@
 ---
 title: Random number in range
-tags: math,random
+type: snippet
+tags: [math,random]
 cover: white-laptop
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Generates a random number in the specified range.
diff --git a/snippets/range-generator.md b/snippets/range-generator.md
index a9ff5b11b..723290bcc 100644
--- a/snippets/range-generator.md
+++ b/snippets/range-generator.md
@@ -1,10 +1,10 @@
 ---
 title: Range generator
-tags: function,generator
+type: snippet
+tags: [function,generator]
 author: chalarangelo
 cover: dark-leaves-6
-firstSeen: 2020-10-11T17:05:55+03:00
-lastUpdated: 2020-10-11T17:05:55+03:00
+dateModified: 2020-10-11T17:05:55+03:00
 ---
 
 Creates a generator, that generates all values in the given range using the given step.
diff --git a/snippets/ranking.md b/snippets/ranking.md
index 24910f130..aa64e202e 100644
--- a/snippets/ranking.md
+++ b/snippets/ranking.md
@@ -1,9 +1,10 @@
 ---
 title: Array ranking
-tags: array,math
+type: snippet
+tags: [array,math]
 author: chalarangelo
 cover: eagle
-firstSeen: 2022-04-13T05:00:00-04:00
+dateModified: 2022-04-13T05:00:00-04:00
 ---
 
 Calculates the ranking of an array based on a comparator function.
diff --git a/snippets/read-file-lines.md b/snippets/read-file-lines.md
index e35b9cee3..675a260d8 100644
--- a/snippets/read-file-lines.md
+++ b/snippets/read-file-lines.md
@@ -1,9 +1,9 @@
 ---
 title: Read file lines
-tags: node
+type: snippet
+tags: [node]
 cover: solitude-beach
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Returns an array of lines from the specified file.
diff --git a/snippets/rearg.md b/snippets/rearg.md
index f5e42951e..3ff2dea92 100644
--- a/snippets/rearg.md
+++ b/snippets/rearg.md
@@ -1,9 +1,9 @@
 ---
 title: Rearrange function arguments
-tags: function
+type: snippet
+tags: [function]
 cover: island-corridor
-firstSeen: 2018-01-28T15:04:21+02:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Creates a function that invokes the provided function with its arguments arranged according to the specified indexes.
diff --git a/snippets/record-animation-frames.md b/snippets/record-animation-frames.md
index 8af9e0867..ebaa98b75 100644
--- a/snippets/record-animation-frames.md
+++ b/snippets/record-animation-frames.md
@@ -1,9 +1,9 @@
 ---
 title: Record animation frames
-tags: browser,recursion
+type: snippet
+tags: [browser,recursion]
 cover: curve
-firstSeen: 2018-02-28T08:19:07+02:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Invokes the provided callback on each animation frame.
diff --git a/snippets/redirect.md b/snippets/redirect.md
index 122b99df9..24b0da81a 100644
--- a/snippets/redirect.md
+++ b/snippets/redirect.md
@@ -1,9 +1,9 @@
 ---
 title: Redirect to URL
-tags: browser
+type: snippet
+tags: [browser]
 cover: coffee-phone-tray-2
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-20T11:46:23+03:00
+dateModified: 2020-10-20T11:46:23+03:00
 ---
 
 Redirects to a specified URL.
diff --git a/snippets/reduce-successive.md b/snippets/reduce-successive.md
index ad918e48e..d01e0f062 100644
--- a/snippets/reduce-successive.md
+++ b/snippets/reduce-successive.md
@@ -1,9 +1,9 @@
 ---
 title: Array of successive values
-tags: array
+type: snippet
+tags: [array]
 cover: laptop-view
-firstSeen: 2018-01-24T16:38:08+02:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Applies a function against an accumulator and each element in the array (from left to right), returning an array of successively reduced values.
diff --git a/snippets/reduce-which.md b/snippets/reduce-which.md
index 5602b57f8..ca95eede4 100644
--- a/snippets/reduce-which.md
+++ b/snippets/reduce-which.md
@@ -1,9 +1,9 @@
 ---
 title: Min and max of array based on provided function
-tags: array
+type: snippet
+tags: [array]
 cover: orange-coffee
-firstSeen: 2018-01-24T12:41:03+02:00
-lastUpdated: 2020-11-03T22:11:18+02:00
+dateModified: 2020-11-03T22:11:18+02:00
 ---
 
 Returns the minimum/maximum value of an array, after applying the provided function to set the comparing rule.
diff --git a/snippets/reduced-filter.md b/snippets/reduced-filter.md
index b618e0815..07b6e6320 100644
--- a/snippets/reduced-filter.md
+++ b/snippets/reduced-filter.md
@@ -1,9 +1,9 @@
 ---
 title: Filter matching and unspecified values
-tags: array
+type: snippet
+tags: [array]
 cover: little-bird
-firstSeen: 2017-12-22T09:37:36+02:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Filters an array of objects based on a condition while also filtering out unspecified keys.
diff --git a/snippets/reject.md b/snippets/reject.md
index b0ce84558..cf6ed7682 100644
--- a/snippets/reject.md
+++ b/snippets/reject.md
@@ -1,9 +1,9 @@
 ---
 title: Reject non-matching values
-tags: array
+type: snippet
+tags: [array]
 cover: interior-7
-firstSeen: 2018-04-27T03:17:15+03:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Filters an array's values based on a predicate function, returning only values for which the predicate function returns `false`.
diff --git a/snippets/remove-accents.md b/snippets/remove-accents.md
index 88da906ce..34b0caf97 100644
--- a/snippets/remove-accents.md
+++ b/snippets/remove-accents.md
@@ -1,9 +1,9 @@
 ---
 title: Remove accents
-tags: string
+type: snippet
+tags: [string]
 cover: pink-flowers
-firstSeen: 2020-10-04T02:23:40+03:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Removes accents from strings.
diff --git a/snippets/remove-attributes.md b/snippets/remove-attributes.md
index aff359e06..7f42376bd 100644
--- a/snippets/remove-attributes.md
+++ b/snippets/remove-attributes.md
@@ -1,9 +1,10 @@
 ---
 title: Remove attributes
-tags: browser
+type: snippet
+tags: [browser]
 cover: new-york
 author: chalarangelo
-firstSeen: 2022-07-20T05:00:00-04:00
+dateModified: 2022-07-20T05:00:00-04:00
 ---
 
 Removes all attributes from an HTML element.
diff --git a/snippets/remove-class.md b/snippets/remove-class.md
index 6574a378f..f71753533 100644
--- a/snippets/remove-class.md
+++ b/snippets/remove-class.md
@@ -1,10 +1,10 @@
 ---
 title: Remove class from HTML element
-tags: browser
+type: snippet
+tags: [browser]
 author: chalarangelo
 cover: bag-waiting
-firstSeen: 2020-12-30T19:21:15+02:00
-lastUpdated: 2020-12-30T19:21:15+02:00
+dateModified: 2020-12-30T19:21:15+02:00
 ---
 
 Removes a class from an HTML element.
diff --git a/snippets/remove-element.md b/snippets/remove-element.md
index 1b9feb8bc..b13f08cac 100644
--- a/snippets/remove-element.md
+++ b/snippets/remove-element.md
@@ -1,10 +1,10 @@
 ---
 title: Remove DOM element
-tags: browser
+type: snippet
+tags: [browser]
 author: chalarangelo
 cover: by-the-lighthouse
-firstSeen: 2021-01-07T00:20:34+02:00
-lastUpdated: 2021-01-07T00:20:34+02:00
+dateModified: 2021-01-07T00:20:34+02:00
 ---
 
 Removes an element from the DOM.
diff --git a/snippets/remove-event-listener-all.md b/snippets/remove-event-listener-all.md
index 044db2ebf..2c170dd6e 100644
--- a/snippets/remove-event-listener-all.md
+++ b/snippets/remove-event-listener-all.md
@@ -1,10 +1,10 @@
 ---
 title: Remove event listeners from target
-tags: browser,event
+type: snippet
+tags: [browser,event]
 author: chalarangelo
 cover: snowy-mountains
-firstSeen: 2021-04-22T08:53:29+03:00
-lastUpdated: 2021-04-22T08:53:29+03:00
+dateModified: 2021-04-22T08:53:29+03:00
 ---
 
 Detaches an event listener from all the provided targets.
diff --git a/snippets/remove-non-ascii.md b/snippets/remove-non-ascii.md
index b492c08cd..f6b2c73ab 100644
--- a/snippets/remove-non-ascii.md
+++ b/snippets/remove-non-ascii.md
@@ -1,9 +1,9 @@
 ---
 title: Remove non ASCII characters
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 cover: tram-car
-firstSeen: 2018-01-26T14:00:54+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Removes non-printable ASCII characters.
diff --git a/snippets/remove-whitespace.md b/snippets/remove-whitespace.md
index 12bff3b19..bcc51c59c 100644
--- a/snippets/remove-whitespace.md
+++ b/snippets/remove-whitespace.md
@@ -1,9 +1,9 @@
 ---
 title: Remove whitespaces
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 cover: tropical-bike
-firstSeen: 2020-10-13T09:37:17+03:00
-lastUpdated: 2020-11-03T21:46:13+02:00
+dateModified: 2020-11-03T21:46:13+02:00
 ---
 
 Returns a string with whitespaces removed.
diff --git a/snippets/remove.md b/snippets/remove.md
index 93b0af853..aaef585f1 100644
--- a/snippets/remove.md
+++ b/snippets/remove.md
@@ -1,9 +1,9 @@
 ---
 title: Remove matching elements from array
-tags: array
+type: snippet
+tags: [array]
 cover: highlands
-firstSeen: 2017-12-17T16:41:31+02:00
-lastUpdated: 2020-10-22T20:24:04+03:00
+dateModified: 2020-10-22T20:24:04+03:00
 ---
 
 Mutates an array by removing elements for which the given function returns `false`.
diff --git a/snippets/rename-keys.md b/snippets/rename-keys.md
index 710929b84..f344627de 100644
--- a/snippets/rename-keys.md
+++ b/snippets/rename-keys.md
@@ -1,9 +1,9 @@
 ---
 title: Rename object keys
-tags: object
+type: snippet
+tags: [object]
 cover: fallen-leaves
-firstSeen: 2018-04-10T20:22:39+03:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Replaces the names of multiple object keys with the values provided.
diff --git a/snippets/render-element.md b/snippets/render-element.md
index cfd44039b..44cbe3ec7 100644
--- a/snippets/render-element.md
+++ b/snippets/render-element.md
@@ -1,10 +1,10 @@
 ---
 title: Render DOM element
-tags: browser,recursion
+type: snippet
+tags: [browser,recursion]
 author: chalarangelo
 cover: maple-leaf-palette
-firstSeen: 2020-05-03T11:55:42+03:00
-lastUpdated: 2021-10-13T19:29:39+02:00
+dateModified: 2021-10-13T19:29:39+02:00
 ---
 
 Renders the given DOM tree in the specified DOM element.
diff --git a/snippets/repeat-generator.md b/snippets/repeat-generator.md
index 0829c6b14..b32721977 100644
--- a/snippets/repeat-generator.md
+++ b/snippets/repeat-generator.md
@@ -1,10 +1,10 @@
 ---
 title: Repeat generator
-tags: function,generator
+type: snippet
+tags: [function,generator]
 author: chalarangelo
 cover: white-flower
-firstSeen: 2020-10-11T17:05:48+03:00
-lastUpdated: 2020-10-11T17:05:48+03:00
+dateModified: 2020-10-11T17:05:48+03:00
 ---
 
 Creates a generator, repeating the given value indefinitely.
diff --git a/snippets/replace-last.md b/snippets/replace-last.md
index e1aa1690d..d7a2b6cf9 100644
--- a/snippets/replace-last.md
+++ b/snippets/replace-last.md
@@ -1,10 +1,10 @@
 ---
 title: Replace last occurrence in string
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 author: chalarangelo
 cover: waves
-firstSeen: 2021-04-22T09:01:22+03:00
-lastUpdated: 2021-04-22T09:01:22+03:00
+dateModified: 2021-04-22T09:01:22+03:00
 ---
 
 Replaces the last occurrence of a pattern in a string.
diff --git a/snippets/replace-or-append.md b/snippets/replace-or-append.md
index ad53362da..c9226c90d 100644
--- a/snippets/replace-or-append.md
+++ b/snippets/replace-or-append.md
@@ -1,9 +1,10 @@
 ---
 title: Replace or append array value
-tags: array
+type: snippet
+tags: [array]
 author: chalarangelo
 cover: boutique-home-office-2
-firstSeen: 2023-02-19T05:00:00-04:00
+dateModified: 2023-02-19T05:00:00-04:00
 ---
 
 Replaces an item in an array or appends it, if it doesn't exist.
diff --git a/snippets/require-uncached.md b/snippets/require-uncached.md
index 99829e1a1..abd897a42 100644
--- a/snippets/require-uncached.md
+++ b/snippets/require-uncached.md
@@ -1,10 +1,10 @@
 ---
 title: Uncached module require
-tags: node
+type: snippet
+tags: [node]
 author: chalarangelo
 cover: curve
-firstSeen: 2020-08-07T15:49:39+03:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Loads a module after removing it from the cache (if exists).
diff --git a/snippets/resolve-after.md b/snippets/resolve-after.md
index 99a4518f1..d96c83831 100644
--- a/snippets/resolve-after.md
+++ b/snippets/resolve-after.md
@@ -1,9 +1,10 @@
 ---
 title: Resolve promise after given amount of time
-tags: function,promise
+type: snippet
+tags: [function,promise]
 author: chalarangelo
 cover: filter-coffee-pot
-firstSeen: 2022-01-08T05:00:00-04:00
+dateModified: 2022-01-08T05:00:00-04:00
 ---
 
 Creates a promise that resolves after a given amount of time to the provided value.
diff --git a/snippets/reverse-number.md b/snippets/reverse-number.md
index f1960a5c6..7255cfc2f 100644
--- a/snippets/reverse-number.md
+++ b/snippets/reverse-number.md
@@ -1,9 +1,9 @@
 ---
 title: Reverse number
-tags: math,string
+type: snippet
+tags: [math,string]
 cover: walking
-firstSeen: 2020-07-17T16:41:28+03:00
-lastUpdated: 2020-09-18T21:19:23+03:00
+dateModified: 2020-09-18T21:19:23+03:00
 ---
 
 Reverses a number.
diff --git a/snippets/reverse-string.md b/snippets/reverse-string.md
index 908c0f4d3..fd141a4eb 100644
--- a/snippets/reverse-string.md
+++ b/snippets/reverse-string.md
@@ -1,9 +1,9 @@
 ---
 title: Reverse string
-tags: string
+type: snippet
+tags: [string]
 cover: type-stamps
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-18T14:58:09+03:00
+dateModified: 2020-10-18T14:58:09+03:00
 ---
 
 Reverses a string.
diff --git a/snippets/rgb-to-hex.md b/snippets/rgb-to-hex.md
index ca179d3c3..d9c2fece6 100644
--- a/snippets/rgb-to-hex.md
+++ b/snippets/rgb-to-hex.md
@@ -1,9 +1,9 @@
 ---
 title: RGB to hex
-tags: string,math
+type: snippet
+tags: [string,math]
 cover: colors-mural
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-11-03T22:11:18+02:00
+dateModified: 2020-11-03T22:11:18+02:00
 ---
 
 Converts the values of RGB components to a hexadecimal color code.
diff --git a/snippets/rgb-to-hsb.md b/snippets/rgb-to-hsb.md
index 4dbb441b6..ac68ce627 100644
--- a/snippets/rgb-to-hsb.md
+++ b/snippets/rgb-to-hsb.md
@@ -1,9 +1,9 @@
 ---
 title: RGB to HSB
-tags: math
+type: snippet
+tags: [math]
 cover: dark-leaves
-firstSeen: 2020-09-18T14:25:07+03:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Converts a RGB color tuple to HSB format.
diff --git a/snippets/rgb-to-hsl.md b/snippets/rgb-to-hsl.md
index 09a0c31f1..85f12e921 100644
--- a/snippets/rgb-to-hsl.md
+++ b/snippets/rgb-to-hsl.md
@@ -1,9 +1,9 @@
 ---
 title: RGB to HSL
-tags: math
+type: snippet
+tags: [math]
 cover: planning
-firstSeen: 2020-10-01T23:16:30+03:00
-lastUpdated: 2020-10-04T11:25:12+03:00
+dateModified: 2020-10-04T11:25:12+03:00
 ---
 
 Converts a RGB color tuple to HSL format.
diff --git a/snippets/right-substr-generator.md b/snippets/right-substr-generator.md
index cd9d47a58..b1a44720c 100644
--- a/snippets/right-substr-generator.md
+++ b/snippets/right-substr-generator.md
@@ -1,9 +1,10 @@
 ---
 title: Right substring generator
-tags: string,generator
+type: snippet
+tags: [string,generator]
 cover: boutique-home-office-2
 author: chalarangelo
-firstSeen: 2022-07-25T05:00:00-04:00
+dateModified: 2022-07-25T05:00:00-04:00
 ---
 
 Generates all right substrings of a given string.
diff --git a/snippets/round.md b/snippets/round.md
index 5a5e27682..d6f290817 100644
--- a/snippets/round.md
+++ b/snippets/round.md
@@ -1,9 +1,9 @@
 ---
 title: Round number to given precision
-tags: math
+type: snippet
+tags: [math]
 cover: yellow-white-mug-1
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Rounds a number to a specified amount of digits.
diff --git a/snippets/run-async.md b/snippets/run-async.md
index 433b14adf..f73507f8b 100644
--- a/snippets/run-async.md
+++ b/snippets/run-async.md
@@ -1,10 +1,10 @@
 ---
 title: Run function asynchronously
-tags: browser,function,promise
+type: snippet
+tags: [browser,function,promise]
 excerpt: Runs a function in a separate thread by using a Web Worker.
 cover: purple-sunset
-firstSeen: 2018-01-02T02:17:52+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Runs a function in a separate thread by using a [Web Worker](https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API/Using_web_workers), allowing long running functions to not block the UI.
diff --git a/snippets/run-promises-in-series.md b/snippets/run-promises-in-series.md
index a0a6138f8..699a43f26 100644
--- a/snippets/run-promises-in-series.md
+++ b/snippets/run-promises-in-series.md
@@ -1,9 +1,9 @@
 ---
 title: Run promises in series
-tags: function,promise
+type: snippet
+tags: [function,promise]
 cover: sail-away
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Runs an array of promises in series.
diff --git a/snippets/sample-size.md b/snippets/sample-size.md
index f24edce68..7fd1c4892 100644
--- a/snippets/sample-size.md
+++ b/snippets/sample-size.md
@@ -1,9 +1,9 @@
 ---
 title: N random elements in array
-tags: array,random
+type: snippet
+tags: [array,random]
 cover: tree-roots
-firstSeen: 2017-12-31T13:56:28+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Gets `n` random elements at unique keys from an array up to the size of the array.
diff --git a/snippets/sample.md b/snippets/sample.md
index 225f431b1..e260bf868 100644
--- a/snippets/sample.md
+++ b/snippets/sample.md
@@ -1,9 +1,9 @@
 ---
 title: Random element in array
-tags: array,string,random
+type: snippet
+tags: [array,string,random]
 cover: paper-card
-firstSeen: 2017-12-17T16:41:31+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Gets a random element from an array.
diff --git a/snippets/scroll-to-top.md b/snippets/scroll-to-top.md
index ec7932a38..6c7d06424 100644
--- a/snippets/scroll-to-top.md
+++ b/snippets/scroll-to-top.md
@@ -1,9 +1,9 @@
 ---
 title: Scroll page to top
-tags: browser
+type: snippet
+tags: [browser]
 cover: tranquil-lake
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Smooth-scrolls to the top of the page.
diff --git a/snippets/sdbm.md b/snippets/sdbm.md
index 107ce314a..f83299fae 100644
--- a/snippets/sdbm.md
+++ b/snippets/sdbm.md
@@ -1,9 +1,9 @@
 ---
 title: Hash string into number
-tags: math
+type: snippet
+tags: [math]
 cover: dark-leaves
-firstSeen: 2017-12-27T17:12:34+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Hashes the input string into a whole number.
diff --git a/snippets/selection-sort.md b/snippets/selection-sort.md
index 0fd22509b..feec49751 100644
--- a/snippets/selection-sort.md
+++ b/snippets/selection-sort.md
@@ -1,10 +1,10 @@
 ---
 title: Selection sort
-tags: algorithm,array
+type: snippet
+tags: [algorithm,array]
 author: chalarangelo
 cover: violin
-firstSeen: 2020-12-27T22:22:44+02:00
-lastUpdated: 2021-10-13T19:29:39+02:00
+dateModified: 2021-10-13T19:29:39+02:00
 ---
 
 Sorts an array of numbers, using the selection sort algorithm.
diff --git a/snippets/serialize-cookie.md b/snippets/serialize-cookie.md
index d8d2b2b3a..a9573e3ee 100644
--- a/snippets/serialize-cookie.md
+++ b/snippets/serialize-cookie.md
@@ -1,9 +1,9 @@
 ---
 title: Serialize cookie
-tags: browser,string
+type: snippet
+tags: [browser,string]
 cover: three-vases
-firstSeen: 2018-01-13T14:19:21+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Serializes a cookie name-value pair into a Set-Cookie header string.
diff --git a/snippets/serialize-form.md b/snippets/serialize-form.md
index e180e3fd3..7d7d35a12 100644
--- a/snippets/serialize-form.md
+++ b/snippets/serialize-form.md
@@ -1,9 +1,9 @@
 ---
 title: Serialize form
-tags: browser,string
+type: snippet
+tags: [browser,string]
 cover: down-the-stream
-firstSeen: 2019-03-13T14:29:45+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Encodes a set of form elements as a query string.
diff --git a/snippets/set-style.md b/snippets/set-style.md
index 881f90876..40af9bfb7 100644
--- a/snippets/set-style.md
+++ b/snippets/set-style.md
@@ -1,9 +1,9 @@
 ---
 title: Set style for element
-tags: browser
+type: snippet
+tags: [browser]
 cover: laptop-plants-2
-firstSeen: 2017-12-29T00:08:17+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Sets the value of a CSS rule for the specified HTML element.
diff --git a/snippets/shallow-clone.md b/snippets/shallow-clone.md
index 2d4a20ab1..c976077c8 100644
--- a/snippets/shallow-clone.md
+++ b/snippets/shallow-clone.md
@@ -1,9 +1,9 @@
 ---
 title: Shallow clone object
-tags: object
+type: snippet
+tags: [object]
 cover: neon-desk-1
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Creates a shallow clone of an object.
diff --git a/snippets/shank.md b/snippets/shank.md
index c2c6ca750..92aba7ce8 100644
--- a/snippets/shank.md
+++ b/snippets/shank.md
@@ -1,10 +1,10 @@
 ---
 title: Remove elements from array
-tags: array
+type: snippet
+tags: [array]
 cover: avocado-slices
 excerpt: Removes an element from an array without mutating it.
-firstSeen: 2018-09-27T01:55:30+03:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Has the same functionality as [`Array.prototype.splice()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/splice), but returning a new array instead of mutating the original array.
diff --git a/snippets/show.md b/snippets/show.md
index b470a03f3..c15f89ca7 100644
--- a/snippets/show.md
+++ b/snippets/show.md
@@ -1,9 +1,9 @@
 ---
 title: Show elements
-tags: browser,css
+type: snippet
+tags: [browser,css]
 cover: green-plant
-firstSeen: 2017-12-28T23:33:21+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Shows all the elements specified.
diff --git a/snippets/shuffle.md b/snippets/shuffle.md
index 1d3576230..e55124b8d 100644
--- a/snippets/shuffle.md
+++ b/snippets/shuffle.md
@@ -1,9 +1,9 @@
 ---
 title: Shuffle array
-tags: array,random,algorithm
+type: snippet
+tags: [array,random,algorithm]
 cover: interior-11
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2021-02-20T21:17:38+02:00
+dateModified: 2021-02-20T21:17:38+02:00
 ---
 
 Randomizes the order of the values of an array, returning a new array.
diff --git a/snippets/similarity.md b/snippets/similarity.md
index 279a7a8ce..4f54eaf33 100644
--- a/snippets/similarity.md
+++ b/snippets/similarity.md
@@ -1,9 +1,9 @@
 ---
 title: Array similarity
-tags: array,math
+type: snippet
+tags: [array,math]
 cover: dark-leaves-5
-firstSeen: 2017-12-17T16:41:31+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Returns an array of elements that appear in both arrays.
diff --git a/snippets/size.md b/snippets/size.md
index d08f266b5..ddcd60afb 100644
--- a/snippets/size.md
+++ b/snippets/size.md
@@ -1,9 +1,9 @@
 ---
 title: Size of array, object or string
-tags: object,array,string
+type: snippet
+tags: [object,array,string]
 cover: digital-nomad-13
-firstSeen: 2017-12-30T16:46:01+02:00
-lastUpdated: 2023-01-20T13:25:47+03:00
+dateModified: 2023-01-20T13:25:47+03:00
 ---
 
 Gets the size of an array, object or string.
diff --git a/snippets/sleep.md b/snippets/sleep.md
index 4bbe7d8ed..b9356b4f5 100644
--- a/snippets/sleep.md
+++ b/snippets/sleep.md
@@ -1,9 +1,9 @@
 ---
 title: Delay async function execution
-tags: function,promise
+type: snippet
+tags: [function,promise]
 cover: sleepy-cat
-firstSeen: 2017-12-13T22:40:56+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Delays the execution of an asynchronous function.
diff --git a/snippets/slugify.md b/snippets/slugify.md
index 748be8040..94173c036 100644
--- a/snippets/slugify.md
+++ b/snippets/slugify.md
@@ -1,9 +1,9 @@
 ---
 title: String to slug
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 cover: houses-rock-sea
-firstSeen: 2020-10-04T09:45:43+03:00
-lastUpdated: 2020-10-04T10:36:38+03:00
+dateModified: 2020-10-04T10:36:38+03:00
 ---
 
 Converts a string to a URL-friendly slug.
diff --git a/snippets/smooth-scroll.md b/snippets/smooth-scroll.md
index 1af66a3e9..519fffc90 100644
--- a/snippets/smooth-scroll.md
+++ b/snippets/smooth-scroll.md
@@ -1,9 +1,9 @@
 ---
 title: Smooth scroll element into view
-tags: browser,css
+type: snippet
+tags: [browser,css]
 cover: carrots
-firstSeen: 2018-03-02T18:22:51+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Smoothly scrolls the element on which it's called into the visible area of the browser window.
diff --git a/snippets/sort-characters-in-string.md b/snippets/sort-characters-in-string.md
index 8194374b3..35caf2c5d 100644
--- a/snippets/sort-characters-in-string.md
+++ b/snippets/sort-characters-in-string.md
@@ -1,9 +1,9 @@
 ---
 title: Sort characters in string
-tags: string
+type: snippet
+tags: [string]
 cover: purple-flower-field
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Alphabetically sorts the characters in a string.
diff --git a/snippets/sorted-index-by.md b/snippets/sorted-index-by.md
index 9d35cd784..252b4c683 100644
--- a/snippets/sorted-index-by.md
+++ b/snippets/sorted-index-by.md
@@ -1,9 +1,9 @@
 ---
 title: Insertion index in sorted array based on function
-tags: array,math
+type: snippet
+tags: [array,math]
 cover: digital-nomad-15
-firstSeen: 2018-01-26T13:39:09+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Finds the lowest index at which a value should be inserted into an array in order to maintain its sorting order, based on the provided iterator function.
diff --git a/snippets/sorted-index.md b/snippets/sorted-index.md
index 668ead41d..26b9ee6b7 100644
--- a/snippets/sorted-index.md
+++ b/snippets/sorted-index.md
@@ -1,9 +1,9 @@
 ---
 title: Insertion index in sorted array
-tags: array,math
+type: snippet
+tags: [array,math]
 cover: apples
-firstSeen: 2017-12-31T16:39:06+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Finds the lowest index at which a value should be inserted into an array in order to maintain its sorting order.
diff --git a/snippets/sorted-last-index-by.md b/snippets/sorted-last-index-by.md
index d0923488f..51d70c790 100644
--- a/snippets/sorted-last-index-by.md
+++ b/snippets/sorted-last-index-by.md
@@ -1,9 +1,9 @@
 ---
 title: Last insertion index in sorted array based on function
-tags: array
+type: snippet
+tags: [array]
 cover: hard-disk
-firstSeen: 2018-01-26T13:39:09+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Finds the highest index at which a value should be inserted into an array in order to maintain its sort order, based on a provided iterator function.
diff --git a/snippets/sorted-last-index.md b/snippets/sorted-last-index.md
index ca3c7e8ed..cdaab2200 100644
--- a/snippets/sorted-last-index.md
+++ b/snippets/sorted-last-index.md
@@ -1,9 +1,9 @@
 ---
 title: Last insertion index in sorted array
-tags: array
+type: snippet
+tags: [array]
 cover: rocky-beach-3
-firstSeen: 2018-01-24T13:16:47+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Finds the highest index at which a value should be inserted into an array in order to maintain its sort order.
diff --git a/snippets/split-lines.md b/snippets/split-lines.md
index 0b8a71fd5..2c4f01bdd 100644
--- a/snippets/split-lines.md
+++ b/snippets/split-lines.md
@@ -1,9 +1,9 @@
 ---
 title: Split into lines
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 cover: two-cities
-firstSeen: 2017-12-29T12:58:58+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Splits a multiline string into an array of lines.
diff --git a/snippets/spread-over.md b/snippets/spread-over.md
index 77e72e3c3..a97f0388b 100644
--- a/snippets/spread-over.md
+++ b/snippets/spread-over.md
@@ -1,9 +1,9 @@
 ---
 title: Convert function from variadic
-tags: function
+type: snippet
+tags: [function]
 cover: tent-stars
-firstSeen: 2017-12-22T04:33:57+02:00
-lastUpdated: 2021-06-13T13:50:25+03:00
+dateModified: 2021-06-13T13:50:25+03:00
 ---
 
 Takes a variadic function and returns a function that accepts an array of arguments.
diff --git a/snippets/stable-sort.md b/snippets/stable-sort.md
index 0ee696006..e0458143f 100644
--- a/snippets/stable-sort.md
+++ b/snippets/stable-sort.md
@@ -1,9 +1,9 @@
 ---
 title: Stable sort
-tags: array
+type: snippet
+tags: [array]
 cover: horse-sunset
-firstSeen: 2018-02-06T18:33:49+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Performs stable sorting of an array, preserving the initial indexes of items when their values are the same.
diff --git a/snippets/standard-deviation.md b/snippets/standard-deviation.md
index 5ba2443c9..6a6f3f4ad 100644
--- a/snippets/standard-deviation.md
+++ b/snippets/standard-deviation.md
@@ -1,9 +1,9 @@
 ---
 title: Standard deviation
-tags: math
+type: snippet
+tags: [math]
 cover: interior-16
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Calculates the standard deviation of an array of numbers.
diff --git a/snippets/starts-with-substring.md b/snippets/starts-with-substring.md
index c301023a6..5d32dcf52 100644
--- a/snippets/starts-with-substring.md
+++ b/snippets/starts-with-substring.md
@@ -1,10 +1,11 @@
 ---
 title: String starts with substring
+type: snippet
 shortTitle: Starts with substring
-tags: string
+tags: [string]
 cover: boutique-home-office-3
 author: chalarangelo
-firstSeen: 2022-07-31T05:00:00-04:00
+dateModified: 2022-07-31T05:00:00-04:00
 ---
 
 Checks if a given string starts with a substring of another string.
diff --git a/snippets/string-permutations.md b/snippets/string-permutations.md
index d0a800e37..6c39df64f 100644
--- a/snippets/string-permutations.md
+++ b/snippets/string-permutations.md
@@ -1,9 +1,9 @@
 ---
 title: String permutations
-tags: string,recursion
+type: snippet
+tags: [string,recursion]
 cover: mac-and-coffee
-firstSeen: 2018-02-19T15:47:47+02:00
-lastUpdated: 2020-11-15T17:13:42+02:00
+dateModified: 2020-11-15T17:13:42+02:00
 ---
 
 Generates all permutations of a string (contains duplicates).
diff --git a/snippets/stringify-circular-json.md b/snippets/stringify-circular-json.md
index 3122775e4..edfca29dd 100644
--- a/snippets/stringify-circular-json.md
+++ b/snippets/stringify-circular-json.md
@@ -1,9 +1,9 @@
 ---
 title: Stringify circular JSON
-tags: object
+type: snippet
+tags: [object]
 cover: periscope
-firstSeen: 2020-10-06T12:32:28+03:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Serializes a JSON object containing circular references into a JSON format.
diff --git a/snippets/strip-html-tags.md b/snippets/strip-html-tags.md
index a32d2ec67..86bb506bd 100644
--- a/snippets/strip-html-tags.md
+++ b/snippets/strip-html-tags.md
@@ -1,9 +1,9 @@
 ---
 title: Strip HTML tags
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 cover: coffee-phone-tray-3
-firstSeen: 2018-01-26T14:17:29+02:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Removes HTML/XML tags from string.
diff --git a/snippets/sub-set.md b/snippets/sub-set.md
index c6a66aff2..7560a576e 100644
--- a/snippets/sub-set.md
+++ b/snippets/sub-set.md
@@ -1,9 +1,9 @@
 ---
 title: Subset of iterable
-tags: array
+type: snippet
+tags: [array]
 cover: last-light
-firstSeen: 2020-10-11T11:53:08+03:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Checks if the first iterable is a subset of the second one, excluding duplicate values.
diff --git a/snippets/sum-by.md b/snippets/sum-by.md
index f420c67f0..426419647 100644
--- a/snippets/sum-by.md
+++ b/snippets/sum-by.md
@@ -1,9 +1,9 @@
 ---
 title: Mapped array sum
-tags: math,array
+type: snippet
+tags: [math,array]
 cover: avocado-slices
-firstSeen: 2018-01-11T12:25:54+02:00
-lastUpdated: 2020-11-03T22:11:18+02:00
+dateModified: 2020-11-03T22:11:18+02:00
 ---
 
 Calculates the sum of an array, after mapping each element to a value using the provided function.
diff --git a/snippets/sum-n.md b/snippets/sum-n.md
index 7c3fe4954..ef6554585 100644
--- a/snippets/sum-n.md
+++ b/snippets/sum-n.md
@@ -1,9 +1,9 @@
 ---
 title: Sum of numbers until n
-tags: math
+type: snippet
+tags: [math]
 cover: blue-flower
-firstSeen: 2020-10-08T16:52:55+03:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Sums all the numbers between `1` and `n`.
diff --git a/snippets/sum-power.md b/snippets/sum-power.md
index 9d57cc26e..78fcb2253 100644
--- a/snippets/sum-power.md
+++ b/snippets/sum-power.md
@@ -1,9 +1,9 @@
 ---
 title: Sum of powers in range
-tags: math
+type: snippet
+tags: [math]
 cover: boat-port
-firstSeen: 2018-01-01T15:49:25+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Calculates the sum of the powers of all the numbers from `start` to `end` (both inclusive).
diff --git a/snippets/sum.md b/snippets/sum.md
index db77495d1..750e7421e 100644
--- a/snippets/sum.md
+++ b/snippets/sum.md
@@ -1,9 +1,9 @@
 ---
 title: Array sum
-tags: math
+type: snippet
+tags: [math]
 cover: lake-trees
-firstSeen: 2017-12-29T13:29:49+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Calculates the sum of two or more numbers/arrays.
diff --git a/snippets/super-set.md b/snippets/super-set.md
index 341625fd6..7d6e1a4ea 100644
--- a/snippets/super-set.md
+++ b/snippets/super-set.md
@@ -1,9 +1,9 @@
 ---
 title: Superset of iterable
-tags: array
+type: snippet
+tags: [array]
 cover: waves-from-above-2
-firstSeen: 2020-10-11T11:53:19+03:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Checks if the first iterable is a superset of the second one, excluding duplicate values.
diff --git a/snippets/supports-touch-events.md b/snippets/supports-touch-events.md
index 27de251a5..4f445446f 100644
--- a/snippets/supports-touch-events.md
+++ b/snippets/supports-touch-events.md
@@ -1,10 +1,10 @@
 ---
 title: Device supports touch events
-tags: browser
+type: snippet
+tags: [browser]
 author: chalarangelo
 cover: man-red-sunset
-firstSeen: 2020-05-04T12:57:23+03:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Checks if touch events are supported.
diff --git a/snippets/swap-case.md b/snippets/swap-case.md
index 727e6d683..423064ca4 100644
--- a/snippets/swap-case.md
+++ b/snippets/swap-case.md
@@ -1,9 +1,9 @@
 ---
 title: Swapcase string
-tags: string
+type: snippet
+tags: [string]
 cover: mountain-lake-2
-firstSeen: 2020-11-15T13:09:03+02:00
-lastUpdated: 2020-11-15T13:09:03+02:00
+dateModified: 2020-11-15T13:09:03+02:00
 ---
 
 Creates a string with uppercase characters converted to lowercase and vice versa.
diff --git a/snippets/symbolize-keys.md b/snippets/symbolize-keys.md
index f5a7eeb80..722686ffb 100644
--- a/snippets/symbolize-keys.md
+++ b/snippets/symbolize-keys.md
@@ -1,9 +1,10 @@
 ---
 title: Symbolize object keys
-tags: object
+type: snippet
+tags: [object]
 author: chalarangelo
 cover: rocky-lake
-firstSeen: 2021-08-01T05:00:00-04:00
+dateModified: 2021-08-01T05:00:00-04:00
 ---
 
 Creates a new object, converting each key to a `Symbol`.
diff --git a/snippets/symmetric-difference-by.md b/snippets/symmetric-difference-by.md
index 6b63d4d93..237e64dae 100644
--- a/snippets/symmetric-difference-by.md
+++ b/snippets/symmetric-difference-by.md
@@ -1,9 +1,9 @@
 ---
 title: Mapped array symmetric difference
-tags: array
+type: snippet
+tags: [array]
 cover: river-houses
-firstSeen: 2018-01-24T11:59:02+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Returns the symmetric difference between two arrays, after applying the provided function to each array element of both.
diff --git a/snippets/symmetric-difference-with.md b/snippets/symmetric-difference-with.md
index 1363b9b99..ab00d7c46 100644
--- a/snippets/symmetric-difference-with.md
+++ b/snippets/symmetric-difference-with.md
@@ -1,9 +1,9 @@
 ---
 title: Array symmetric difference
-tags: array
+type: snippet
+tags: [array]
 cover: digital-nomad
-firstSeen: 2018-01-24T11:59:02+02:00
-lastUpdated: 2020-10-18T14:58:09+03:00
+dateModified: 2020-10-18T14:58:09+03:00
 ---
 
 Returns the symmetric difference between two arrays, using a provided function as a comparator.
diff --git a/snippets/symmetric-difference.md b/snippets/symmetric-difference.md
index 45e2768b1..e34aa495e 100644
--- a/snippets/symmetric-difference.md
+++ b/snippets/symmetric-difference.md
@@ -1,9 +1,9 @@
 ---
 title: Array symmetric difference
-tags: array,math
+type: snippet
+tags: [array,math]
 cover: trippy-chemicals
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Returns the symmetric difference between two arrays, without filtering out duplicate values.
diff --git a/snippets/tail.md b/snippets/tail.md
index 63b3f1744..486707fd9 100644
--- a/snippets/tail.md
+++ b/snippets/tail.md
@@ -1,9 +1,9 @@
 ---
 title: Array tail
-tags: array
+type: snippet
+tags: [array]
 cover: waves-from-above
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Returns all elements in an array except for the first one.
diff --git a/snippets/take-right-until.md b/snippets/take-right-until.md
index 93118b0a7..518ae8acf 100644
--- a/snippets/take-right-until.md
+++ b/snippets/take-right-until.md
@@ -1,9 +1,9 @@
 ---
 title: Remove list elements from the end until condition is met
-tags: array
+type: snippet
+tags: [array]
 cover: fruit-feast
-firstSeen: 2020-11-29T12:04:53+02:00
-lastUpdated: 2020-11-29T12:04:53+02:00
+dateModified: 2020-11-29T12:04:53+02:00
 ---
 
 Removes elements from the end of an array until the passed function returns `true`.
diff --git a/snippets/take-right-while.md b/snippets/take-right-while.md
index bc3fa0ba3..d15b59b24 100644
--- a/snippets/take-right-while.md
+++ b/snippets/take-right-while.md
@@ -1,9 +1,9 @@
 ---
 title: Remove list elements from the end while condition is met
-tags: array
+type: snippet
+tags: [array]
 cover: beach-pineapple
-firstSeen: 2018-01-26T12:55:31+02:00
-lastUpdated: 2020-11-29T12:04:53+02:00
+dateModified: 2020-11-29T12:04:53+02:00
 ---
 
 Removes elements from the end of an array until the passed function returns `false`.
diff --git a/snippets/take-right.md b/snippets/take-right.md
index b31152f89..8d44e7cab 100644
--- a/snippets/take-right.md
+++ b/snippets/take-right.md
@@ -1,9 +1,9 @@
 ---
 title: Remove list elements from the end
-tags: array
+type: snippet
+tags: [array]
 cover: interior-7
-firstSeen: 2017-12-15T02:00:10+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Creates an array with `n` elements removed from the end.
diff --git a/snippets/take-until.md b/snippets/take-until.md
index c487a4d81..e13e2d945 100644
--- a/snippets/take-until.md
+++ b/snippets/take-until.md
@@ -1,9 +1,9 @@
 ---
 title: Remove list elements until condition is met
-tags: array
+type: snippet
+tags: [array]
 cover: purple-sunset-beach
-firstSeen: 2020-11-29T12:04:53+02:00
-lastUpdated: 2020-11-29T12:04:53+02:00
+dateModified: 2020-11-29T12:04:53+02:00
 ---
 
 Removes elements in an array until the passed function returns `true`.
diff --git a/snippets/take-while.md b/snippets/take-while.md
index 2284c9df3..f41cce401 100644
--- a/snippets/take-while.md
+++ b/snippets/take-while.md
@@ -1,9 +1,9 @@
 ---
 title: Remove list elements while condition is met
-tags: array
+type: snippet
+tags: [array]
 cover: colors-mural
-firstSeen: 2018-01-26T12:55:31+02:00
-lastUpdated: 2020-11-29T12:04:53+02:00
+dateModified: 2020-11-29T12:04:53+02:00
 ---
 
 Removes elements in an array until the passed function returns `false`.
diff --git a/snippets/take.md b/snippets/take.md
index d75dab096..7600304c0 100644
--- a/snippets/take.md
+++ b/snippets/take.md
@@ -1,9 +1,9 @@
 ---
 title: Remove list elements
-tags: array
+type: snippet
+tags: [array]
 cover: interior-9
-firstSeen: 2017-12-14T11:35:14+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Creates an array with `n` elements removed from the beginning.
diff --git a/snippets/throttle.md b/snippets/throttle.md
index fb061da63..97fa915d5 100644
--- a/snippets/throttle.md
+++ b/snippets/throttle.md
@@ -1,9 +1,9 @@
 ---
 title: Throttle function
-tags: function
+type: snippet
+tags: [function]
 cover: waves-from-above
-firstSeen: 2018-01-28T15:23:01+02:00
-lastUpdated: 2021-10-13T19:29:39+02:00
+dateModified: 2021-10-13T19:29:39+02:00
 ---
 
 Creates a throttled function that only invokes the provided function at most once per every `wait` milliseconds
diff --git a/snippets/time-taken.md b/snippets/time-taken.md
index c94deeae5..41c732784 100644
--- a/snippets/time-taken.md
+++ b/snippets/time-taken.md
@@ -1,9 +1,9 @@
 ---
 title: Time taken by function
-tags: function
+type: snippet
+tags: [function]
 cover: shelf-plant
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Measures the time it takes for a function to execute.
diff --git a/snippets/times.md b/snippets/times.md
index 57ca4c707..9101ba08d 100644
--- a/snippets/times.md
+++ b/snippets/times.md
@@ -1,9 +1,9 @@
 ---
 title: Iterate n times
-tags: function
+type: snippet
+tags: [function]
 cover: lake-loop
-firstSeen: 2018-01-24T13:50:49+02:00
-lastUpdated: 2020-10-20T11:21:07+03:00
+dateModified: 2020-10-20T11:21:07+03:00
 ---
 
 Iterates over a callback `n` times.
diff --git a/snippets/to-camel-case.md b/snippets/to-camel-case.md
index 2aae88115..856b4c8cd 100644
--- a/snippets/to-camel-case.md
+++ b/snippets/to-camel-case.md
@@ -1,9 +1,9 @@
 ---
 title: Camelcase string
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 cover: meteora
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Converts a string to camelcase.
diff --git a/snippets/to-char-array.md b/snippets/to-char-array.md
index 271dfd270..e6d22e104 100644
--- a/snippets/to-char-array.md
+++ b/snippets/to-char-array.md
@@ -1,9 +1,9 @@
 ---
 title: String to character array
-tags: string
+type: snippet
+tags: [string]
 cover: waving-over-lake
-firstSeen: 2020-10-08T15:17:22+03:00
-lastUpdated: 2020-10-08T15:17:22+03:00
+dateModified: 2020-10-08T15:17:22+03:00
 ---
 
 Converts a string to an array of characters.
diff --git a/snippets/to-currency.md b/snippets/to-currency.md
index 787bfd6eb..4ff38c502 100644
--- a/snippets/to-currency.md
+++ b/snippets/to-currency.md
@@ -1,9 +1,9 @@
 ---
 title: Number to currency string
-tags: math,string
+type: snippet
+tags: [math,string]
 cover: planning
-firstSeen: 2018-01-27T17:15:48+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Takes a number and returns it in the specified currency formatting.
diff --git a/snippets/to-decimal-mark.md b/snippets/to-decimal-mark.md
index 378227ec9..a852e3c55 100644
--- a/snippets/to-decimal-mark.md
+++ b/snippets/to-decimal-mark.md
@@ -1,9 +1,9 @@
 ---
 title: Number to decimal mark
-tags: math
+type: snippet
+tags: [math]
 cover: blue-bench
-firstSeen: 2017-12-21T16:29:51+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Converts a number to a decimal mark formatted string.
diff --git a/snippets/to-hash.md b/snippets/to-hash.md
index 3cc91303d..8525164a0 100644
--- a/snippets/to-hash.md
+++ b/snippets/to-hash.md
@@ -1,9 +1,9 @@
 ---
 title: Iterable to hash
-tags: array
+type: snippet
+tags: [array]
 cover: sleepy-cat
-firstSeen: 2018-05-31T02:14:04+03:00
-lastUpdated: 2022-01-30T12:45:30+03:00
+dateModified: 2022-01-30T12:45:30+03:00
 ---
 
 Reduces a given iterable into a value hash (keyed data store).
diff --git a/snippets/to-hsl-array.md b/snippets/to-hsl-array.md
index c2bf5f259..1d361cae0 100644
--- a/snippets/to-hsl-array.md
+++ b/snippets/to-hsl-array.md
@@ -1,9 +1,9 @@
 ---
 title: HSL to array
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 cover: kettle-laptop
-firstSeen: 2020-10-16T21:46:29+03:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Converts an `hsl()` color string to an array of values.
diff --git a/snippets/to-hsl-object.md b/snippets/to-hsl-object.md
index 50ed6af11..aa954121b 100644
--- a/snippets/to-hsl-object.md
+++ b/snippets/to-hsl-object.md
@@ -1,9 +1,9 @@
 ---
 title: HSL to object
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 cover: measuring
-firstSeen: 2020-10-16T21:48:31+03:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Converts an `hsl()` color string to an object with the values of each color.
diff --git a/snippets/to-identity-object.md b/snippets/to-identity-object.md
index 569ba122b..ccd239d9c 100644
--- a/snippets/to-identity-object.md
+++ b/snippets/to-identity-object.md
@@ -1,9 +1,10 @@
 ---
 title: Convert array to identity object
-tags: array
+type: snippet
+tags: [array]
 author: chalarangelo
 cover: rain-shopping
-firstSeen: 2023-04-16T05:00:00-04:00
+dateModified: 2023-04-16T05:00:00-04:00
 ---
 
 Converts an array of values into an object with the same values as keys and values.
diff --git a/snippets/to-iso-string-with-timezone.md b/snippets/to-iso-string-with-timezone.md
index ca2198787..8d69fe8a8 100644
--- a/snippets/to-iso-string-with-timezone.md
+++ b/snippets/to-iso-string-with-timezone.md
@@ -1,9 +1,9 @@
 ---
 title: Date to ISO format with timezone
-tags: date
+type: snippet
+tags: [date]
 cover: pop-of-green
-firstSeen: 2020-10-07T09:25:05+03:00
-lastUpdated: 2021-10-13T19:29:39+02:00
+dateModified: 2021-10-13T19:29:39+02:00
 ---
 
 Converts a date to extended ISO format (ISO 8601), including timezone offset.
diff --git a/snippets/to-kebab-case.md b/snippets/to-kebab-case.md
index dd530ae93..c79ff561e 100644
--- a/snippets/to-kebab-case.md
+++ b/snippets/to-kebab-case.md
@@ -1,9 +1,9 @@
 ---
 title: Kebabcase string
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 cover: old-consoles
-firstSeen: 2017-12-22T19:14:51+02:00
-lastUpdated: 2020-12-16T13:42:27+02:00
+dateModified: 2020-12-16T13:42:27+02:00
 ---
 
 Converts a string to kebab case.
diff --git a/snippets/to-optional-fixed.md b/snippets/to-optional-fixed.md
index 28b51a1a8..317ac280c 100644
--- a/snippets/to-optional-fixed.md
+++ b/snippets/to-optional-fixed.md
@@ -1,9 +1,10 @@
 ---
 title: Number to fixed-point notation without trailing zeros
-tags: math,string
+type: snippet
+tags: [math,string]
 author: chalarangelo
 cover: red-succulent
-firstSeen: 2022-05-10T05:00:00-04:00
+dateModified: 2022-05-10T05:00:00-04:00
 ---
 
 Formats a number using fixed-point notation, if it has decimals.
diff --git a/snippets/to-ordinal-suffix.md b/snippets/to-ordinal-suffix.md
index df25fec46..f43fa4265 100644
--- a/snippets/to-ordinal-suffix.md
+++ b/snippets/to-ordinal-suffix.md
@@ -1,9 +1,9 @@
 ---
 title: Number to ordinal suffix
-tags: math
+type: snippet
+tags: [math]
 cover: tram-car-2
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-11-13T19:49:57+02:00
+dateModified: 2020-11-13T19:49:57+02:00
 ---
 
 Takes a number and returns it as a string with the correct ordinal indicator suffix.
diff --git a/snippets/to-pairs.md b/snippets/to-pairs.md
index 13e2b9d08..987f311cd 100644
--- a/snippets/to-pairs.md
+++ b/snippets/to-pairs.md
@@ -1,10 +1,10 @@
 ---
 title: Object to pairs
-tags: object,array
+type: snippet
+tags: [object,array]
 author: chalarangelo
 cover: purple-leaves
-firstSeen: 2020-03-23T15:07:23+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Creates an array of key-value pair arrays from an object or other iterable.
diff --git a/snippets/to-pascal-case.md b/snippets/to-pascal-case.md
index b5af9b486..a3dd32ef3 100644
--- a/snippets/to-pascal-case.md
+++ b/snippets/to-pascal-case.md
@@ -1,8 +1,9 @@
 ---
 title: Pascalcase string
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 cover: camera-zoom
-firstSeen: 2021-09-08T19:21:13+00:00
+dateModified: 2021-09-08T19:21:13+00:00
 ---
 
 Converts a string to pascal case.
diff --git a/snippets/to-rgb-array.md b/snippets/to-rgb-array.md
index 18330e8f5..f195f5ad5 100644
--- a/snippets/to-rgb-array.md
+++ b/snippets/to-rgb-array.md
@@ -1,9 +1,9 @@
 ---
 title: RGB to array
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 cover: greek-coffee
-firstSeen: 2020-10-14T20:36:18+03:00
-lastUpdated: 2021-06-13T13:50:25+03:00
+dateModified: 2021-06-13T13:50:25+03:00
 ---
 
 Converts an `rgb()` color string to an array of values.
diff --git a/snippets/to-rgb-object.md b/snippets/to-rgb-object.md
index e59713dfd..12b6f0071 100644
--- a/snippets/to-rgb-object.md
+++ b/snippets/to-rgb-object.md
@@ -1,10 +1,10 @@
 ---
 title: RGB to object
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 author: chalarangelo
 cover: organizer
-firstSeen: 2020-10-14T21:58:14+03:00
-lastUpdated: 2020-10-22T20:24:44+03:00
+dateModified: 2020-10-22T20:24:44+03:00
 ---
 
 Converts an `rgb()` color string to an object with the values of each color.
diff --git a/snippets/to-roman-numeral.md b/snippets/to-roman-numeral.md
index e59f66980..c3ac89b39 100644
--- a/snippets/to-roman-numeral.md
+++ b/snippets/to-roman-numeral.md
@@ -1,9 +1,9 @@
 ---
 title: Integer to roman numeral
-tags: math,string
+type: snippet
+tags: [math,string]
 cover: ancient-greek-building
-firstSeen: 2020-10-06T19:56:22+03:00
-lastUpdated: 2020-10-22T20:24:44+03:00
+dateModified: 2020-10-22T20:24:44+03:00
 ---
 
 Converts an integer to its roman numeral representation.
diff --git a/snippets/to-safe-integer.md b/snippets/to-safe-integer.md
index 7de88ba56..f002ee99d 100644
--- a/snippets/to-safe-integer.md
+++ b/snippets/to-safe-integer.md
@@ -1,9 +1,9 @@
 ---
 title: Value to safe integer
-tags: math
+type: snippet
+tags: [math]
 cover: mask-quiet
-firstSeen: 2018-01-08T17:12:46+02:00
-lastUpdated: 2020-10-22T20:24:44+03:00
+dateModified: 2020-10-22T20:24:44+03:00
 ---
 
 Converts a value to a safe integer.
diff --git a/snippets/to-sentence-case.md b/snippets/to-sentence-case.md
index 731764d59..16894a71c 100644
--- a/snippets/to-sentence-case.md
+++ b/snippets/to-sentence-case.md
@@ -1,9 +1,10 @@
 ---
 title: Sentencecase string
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 cover: sofia-tram
 author: chalarangelo
-firstSeen: 2023-03-27T05:00:00-04:00
+dateModified: 2023-03-27T05:00:00-04:00
 ---
 
 Converts a string to sentence case.
diff --git a/snippets/to-snake-case.md b/snippets/to-snake-case.md
index f46b8b6ab..2d2a53bfc 100644
--- a/snippets/to-snake-case.md
+++ b/snippets/to-snake-case.md
@@ -1,9 +1,9 @@
 ---
 title: Snakecase string
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 cover: rustic-cup
-firstSeen: 2017-12-22T18:13:22+02:00
-lastUpdated: 2021-06-28T15:27:44+03:00
+dateModified: 2021-06-28T15:27:44+03:00
 ---
 
 Converts a string to snake case.
diff --git a/snippets/to-title-case.md b/snippets/to-title-case.md
index 8a45cd5d9..7b3babb17 100644
--- a/snippets/to-title-case.md
+++ b/snippets/to-title-case.md
@@ -1,9 +1,9 @@
 ---
 title: Titlecase string
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 cover: plant-candle
-firstSeen: 2018-10-19T04:49:34+03:00
-lastUpdated: 2020-10-22T20:24:44+03:00
+dateModified: 2020-10-22T20:24:44+03:00
 ---
 
 Converts a string to title case.
diff --git a/snippets/toggle-class.md b/snippets/toggle-class.md
index 97b55c7c8..a56b49f87 100644
--- a/snippets/toggle-class.md
+++ b/snippets/toggle-class.md
@@ -1,9 +1,9 @@
 ---
 title: Toggle class of HTML element
-tags: browser
+type: snippet
+tags: [browser]
 cover: laptop-plants-2
-firstSeen: 2017-12-28T23:46:33+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Toggles a class for an HTML element.
diff --git a/snippets/toggle-element.md b/snippets/toggle-element.md
index 6dee19989..5f22eac2a 100644
--- a/snippets/toggle-element.md
+++ b/snippets/toggle-element.md
@@ -1,9 +1,10 @@
 ---
 title: Toggle element in array
-tags: array
+type: snippet
+tags: [array]
 author: chalarangelo
 cover: digital-nomad-7
-firstSeen: 2022-04-15T05:00:00-04:00
+dateModified: 2022-04-15T05:00:00-04:00
 ---
 
 Removes an element from an array if it's included in the array, or pushes it to the array if it isn't.
diff --git a/snippets/tomorrow.md b/snippets/tomorrow.md
index ff7cb1ab7..1c6bad617 100644
--- a/snippets/tomorrow.md
+++ b/snippets/tomorrow.md
@@ -1,9 +1,9 @@
 ---
 title: Date of tomorrow
-tags: date
+type: snippet
+tags: [date]
 cover: travel-mug-2
-firstSeen: 2017-12-26T18:56:24+02:00
-lastUpdated: 2020-10-22T20:24:30+03:00
+dateModified: 2020-10-22T20:24:30+03:00
 ---
 
 Results in a string representation of tomorrow's date.
diff --git a/snippets/transform.md b/snippets/transform.md
index 2562e3ed6..c83c82851 100644
--- a/snippets/transform.md
+++ b/snippets/transform.md
@@ -1,9 +1,9 @@
 ---
 title: Transform object
-tags: object
+type: snippet
+tags: [object]
 cover: fishermen
-firstSeen: 2018-01-12T13:55:49+02:00
-lastUpdated: 2020-10-22T20:24:44+03:00
+dateModified: 2020-10-22T20:24:44+03:00
 ---
 
 Applies a function against an accumulator and each key in the object (from left to right).
diff --git a/snippets/transpose.md b/snippets/transpose.md
index 1f209d429..6a19d8ab2 100644
--- a/snippets/transpose.md
+++ b/snippets/transpose.md
@@ -1,9 +1,10 @@
 ---
 title: Transpose matrix
-tags: array
+type: snippet
+tags: [array]
 author: chalarangelo
 cover: painters-desk
-firstSeen: 2022-04-20T05:00:00-04:00
+dateModified: 2022-04-20T05:00:00-04:00
 ---
 
 Transposes a two-dimensional array.
diff --git a/snippets/trigger-event.md b/snippets/trigger-event.md
index 6a70ce88c..9253dd1da 100644
--- a/snippets/trigger-event.md
+++ b/snippets/trigger-event.md
@@ -1,9 +1,9 @@
 ---
 title: Trigger event on HTML element
-tags: browser,event
+type: snippet
+tags: [browser,event]
 cover: cloudy-mountaintop-2
-firstSeen: 2018-06-19T20:57:58+03:00
-lastUpdated: 2020-10-22T20:24:44+03:00
+dateModified: 2020-10-22T20:24:44+03:00
 ---
 
 Triggers a specific event on a given element, optionally passing custom data.
diff --git a/snippets/truncate-string-at-whitespace.md b/snippets/truncate-string-at-whitespace.md
index aa67a899e..ccb5e84ab 100644
--- a/snippets/truncate-string-at-whitespace.md
+++ b/snippets/truncate-string-at-whitespace.md
@@ -1,9 +1,9 @@
 ---
 title: Truncate string at whitespace
-tags: string
+type: snippet
+tags: [string]
 cover: cloudy-mountaintop-2
-firstSeen: 2020-10-19T11:11:16+03:00
-lastUpdated: 2020-10-21T21:17:45+03:00
+dateModified: 2020-10-21T21:17:45+03:00
 ---
 
 Truncates a string up to specified length, respecting whitespace when possible.
diff --git a/snippets/truncate-string.md b/snippets/truncate-string.md
index 904ab7522..e95016a0d 100644
--- a/snippets/truncate-string.md
+++ b/snippets/truncate-string.md
@@ -1,9 +1,9 @@
 ---
 title: Truncate string
-tags: string
+type: snippet
+tags: [string]
 cover: bamboo-lamp
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-21T21:17:45+03:00
+dateModified: 2020-10-21T21:17:45+03:00
 ---
 
 Truncates a string up to a specified length.
diff --git a/snippets/truth-check-collection.md b/snippets/truth-check-collection.md
index c7bcb3068..a4b9a3f41 100644
--- a/snippets/truth-check-collection.md
+++ b/snippets/truth-check-collection.md
@@ -1,9 +1,9 @@
 ---
 title: Truth check collection
-tags: object,logic,array
+type: snippet
+tags: [object,logic,array]
 cover: digital-nomad-8
-firstSeen: 2017-12-18T13:05:21+02:00
-lastUpdated: 2020-10-22T20:24:44+03:00
+dateModified: 2020-10-22T20:24:44+03:00
 ---
 
 Checks if the predicate function is truthy for all elements of a collection.
diff --git a/snippets/unary.md b/snippets/unary.md
index b65aa39fb..2c5c1361e 100644
--- a/snippets/unary.md
+++ b/snippets/unary.md
@@ -1,9 +1,9 @@
 ---
 title: Unary function arity
-tags: function
+type: snippet
+tags: [function]
 cover: flower-portrait-2
-firstSeen: 2018-01-24T13:22:32+02:00
-lastUpdated: 2020-10-22T20:24:44+03:00
+dateModified: 2020-10-22T20:24:44+03:00
 ---
 
 Creates a function that accepts up to one argument, ignoring any additional arguments.
diff --git a/snippets/uncurry.md b/snippets/uncurry.md
index d5131ce40..824aad993 100644
--- a/snippets/uncurry.md
+++ b/snippets/uncurry.md
@@ -1,9 +1,9 @@
 ---
 title: Uncurry function
-tags: function
+type: snippet
+tags: [function]
 cover: perfect-timing
-firstSeen: 2018-02-14T11:56:44+02:00
-lastUpdated: 2020-10-22T20:24:44+03:00
+dateModified: 2020-10-22T20:24:44+03:00
 ---
 
 Uncurries a function up to depth `n`.
diff --git a/snippets/unescape-html.md b/snippets/unescape-html.md
index a6eae5608..b2122f22a 100644
--- a/snippets/unescape-html.md
+++ b/snippets/unescape-html.md
@@ -1,9 +1,9 @@
 ---
 title: Unescape HTML
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 cover: little-tree
-firstSeen: 2017-12-29T15:09:10+02:00
-lastUpdated: 2020-10-22T20:24:44+03:00
+dateModified: 2020-10-22T20:24:44+03:00
 ---
 
 Unescapes escaped HTML characters.
diff --git a/snippets/unflatten-object.md b/snippets/unflatten-object.md
index 4e7c181ae..874e5388f 100644
--- a/snippets/unflatten-object.md
+++ b/snippets/unflatten-object.md
@@ -1,9 +1,9 @@
 ---
 title: Unflatten object
-tags: object
+type: snippet
+tags: [object]
 cover: purple-flower-bunch
-firstSeen: 2018-02-07T11:30:18+02:00
-lastUpdated: 2020-10-22T20:24:44+03:00
+dateModified: 2020-10-22T20:24:44+03:00
 ---
 
 Unflatten an object with the paths for keys.
diff --git a/snippets/unfold.md b/snippets/unfold.md
index 2e27dc580..4f18d5a6f 100644
--- a/snippets/unfold.md
+++ b/snippets/unfold.md
@@ -1,9 +1,9 @@
 ---
 title: Unfold array
-tags: function,array
+type: snippet
+tags: [function,array]
 cover: dog-waiting
-firstSeen: 2018-01-24T16:22:14+02:00
-lastUpdated: 2020-09-15T16:28:04+03:00
+dateModified: 2020-09-15T16:28:04+03:00
 ---
 
 Builds an array, using an iterator function and an initial seed value.
diff --git a/snippets/union-by.md b/snippets/union-by.md
index 999e63ecb..3cbd18013 100644
--- a/snippets/union-by.md
+++ b/snippets/union-by.md
@@ -1,9 +1,9 @@
 ---
 title: Mapped array union
-tags: array
+type: snippet
+tags: [array]
 cover: lake-church
-firstSeen: 2018-01-24T12:19:41+02:00
-lastUpdated: 2020-10-22T20:24:44+03:00
+dateModified: 2020-10-22T20:24:44+03:00
 ---
 
 Returns every element that exists in any of the two arrays at least once, after applying the provided function to each array element of both.
diff --git a/snippets/union-with.md b/snippets/union-with.md
index a75a219bd..79c001a20 100644
--- a/snippets/union-with.md
+++ b/snippets/union-with.md
@@ -1,9 +1,9 @@
 ---
 title: Array union based on function
-tags: array
+type: snippet
+tags: [array]
 cover: orange-coffee-4
-firstSeen: 2018-01-24T12:19:41+02:00
-lastUpdated: 2020-10-22T20:24:44+03:00
+dateModified: 2020-10-22T20:24:44+03:00
 ---
 
 Returns every element that exists in any of the two arrays at least once, using a provided comparator function.
diff --git a/snippets/union.md b/snippets/union.md
index 1953a2534..4e538a83c 100644
--- a/snippets/union.md
+++ b/snippets/union.md
@@ -1,9 +1,9 @@
 ---
 title: Array union
-tags: array
+type: snippet
+tags: [array]
 cover: yellow-white-mug-2
-firstSeen: 2017-12-17T16:41:31+02:00
-lastUpdated: 2020-10-22T20:24:44+03:00
+dateModified: 2020-10-22T20:24:44+03:00
 ---
 
 Returns every element that exists in any of the two arrays at least once.
diff --git a/snippets/unique-elements-by-right.md b/snippets/unique-elements-by-right.md
index b52623ad2..cf284627d 100644
--- a/snippets/unique-elements-by-right.md
+++ b/snippets/unique-elements-by-right.md
@@ -1,9 +1,9 @@
 ---
 title: Reversed unique values in array based on function
-tags: array
+type: snippet
+tags: [array]
 cover: beach-from-above
-firstSeen: 2018-07-18T20:49:07+03:00
-lastUpdated: 2021-10-13T19:29:39+02:00
+dateModified: 2021-10-13T19:29:39+02:00
 ---
 
 Finds all unique values of an array, based on a provided comparator function, starting from the right.
diff --git a/snippets/unique-elements-by.md b/snippets/unique-elements-by.md
index ba8b88128..cb3798732 100644
--- a/snippets/unique-elements-by.md
+++ b/snippets/unique-elements-by.md
@@ -1,9 +1,9 @@
 ---
 title: Unique values in array based on function
-tags: array
+type: snippet
+tags: [array]
 cover: sunrise-over-mountains
-firstSeen: 2018-07-18T20:49:07+03:00
-lastUpdated: 2021-10-13T19:29:39+02:00
+dateModified: 2021-10-13T19:29:39+02:00
 ---
 
 Finds all unique values of an array, based on a provided comparator function.
diff --git a/snippets/unique-elements.md b/snippets/unique-elements.md
index 05d1d1fb1..6876b74a7 100644
--- a/snippets/unique-elements.md
+++ b/snippets/unique-elements.md
@@ -1,9 +1,9 @@
 ---
 title: Unique values in array
-tags: array
+type: snippet
+tags: [array]
 cover: architectural
-firstSeen: 2018-01-17T19:02:49+02:00
-lastUpdated: 2020-10-22T20:24:44+03:00
+dateModified: 2020-10-22T20:24:44+03:00
 ---
 
 Finds all unique values in an array.
diff --git a/snippets/unique-symmetric-difference.md b/snippets/unique-symmetric-difference.md
index f00bf9797..f38e16c87 100644
--- a/snippets/unique-symmetric-difference.md
+++ b/snippets/unique-symmetric-difference.md
@@ -1,9 +1,9 @@
 ---
 title: Array unique symmetric difference
-tags: array,math
+type: snippet
+tags: [array,math]
 cover: paper-card
-firstSeen: 2018-08-17T08:37:08+03:00
-lastUpdated: 2020-10-22T20:24:44+03:00
+dateModified: 2020-10-22T20:24:44+03:00
 ---
 
 Returns the unique symmetric difference between two arrays, not containing duplicate values from either array.
diff --git a/snippets/untildify.md b/snippets/untildify.md
index 810b4a2df..180eb042f 100644
--- a/snippets/untildify.md
+++ b/snippets/untildify.md
@@ -1,9 +1,9 @@
 ---
 title: Convert to absolute path
-tags: node,string
+type: snippet
+tags: [node,string]
 cover: lighthouse
-firstSeen: 2018-01-01T17:43:18+02:00
-lastUpdated: 2020-10-22T20:24:44+03:00
+dateModified: 2020-10-22T20:24:44+03:00
 ---
 
 Converts a tilde path to an absolute path.
diff --git a/snippets/unwind.md b/snippets/unwind.md
index f9cd6b16b..460dd5862 100644
--- a/snippets/unwind.md
+++ b/snippets/unwind.md
@@ -1,9 +1,10 @@
 ---
 title: Unwind object
-tags: object
+type: snippet
+tags: [object]
 author: chalarangelo
 cover: waves-from-above
-firstSeen: 2022-04-18T05:00:00-04:00
+dateModified: 2022-04-18T05:00:00-04:00
 ---
 
 Produces an array of objects from an object and one of its array-valued properties.
diff --git a/snippets/unzip-with.md b/snippets/unzip-with.md
index 61f7a9d3e..bc56b5f9d 100644
--- a/snippets/unzip-with.md
+++ b/snippets/unzip-with.md
@@ -1,9 +1,9 @@
 ---
 title: Ungroup array elements based on function
-tags: array
+type: snippet
+tags: [array]
 cover: coconuts
-firstSeen: 2018-01-24T12:44:16+02:00
-lastUpdated: 2022-01-23T13:18:50+03:00
+dateModified: 2022-01-23T13:18:50+03:00
 ---
 
 Creates an array of elements, ungrouping the elements in an array produced by [zip](/js/s/zip) and applying the provided function.
diff --git a/snippets/unzip.md b/snippets/unzip.md
index 30f8b35e2..4fbce6a22 100644
--- a/snippets/unzip.md
+++ b/snippets/unzip.md
@@ -1,9 +1,9 @@
 ---
 title: Ungroup array elements
-tags: array
+type: snippet
+tags: [array]
 cover: glass-blowing
-firstSeen: 2018-01-24T12:35:25+02:00
-lastUpdated: 2020-10-22T20:24:44+03:00
+dateModified: 2020-10-22T20:24:44+03:00
 ---
 
 Creates an array of arrays, ungrouping the elements in an array produced by [zip](/js/s/zip).
diff --git a/snippets/upperize.md b/snippets/upperize.md
index c62ea1cf4..52597e749 100644
--- a/snippets/upperize.md
+++ b/snippets/upperize.md
@@ -1,9 +1,10 @@
 ---
 title: Uppercase object keys
-tags: object
+type: snippet
+tags: [object]
 author: chalarangelo
 cover: sofia-tram
-firstSeen: 2023-02-11T05:00:00-04:00
+dateModified: 2023-02-11T05:00:00-04:00
 ---
 
 Converts all the keys of an object to upper case.
diff --git a/snippets/url-join.md b/snippets/url-join.md
index 7bae61b25..62236626d 100644
--- a/snippets/url-join.md
+++ b/snippets/url-join.md
@@ -1,9 +1,9 @@
 ---
 title: Join URL segments
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 cover: digital-nomad-2
-firstSeen: 2018-01-16T15:53:03+02:00
-lastUpdated: 2020-10-22T20:24:44+03:00
+dateModified: 2020-10-22T20:24:44+03:00
 ---
 
 Joins all given URL segments together, then normalizes the resulting URL.
diff --git a/snippets/uuid-generator-browser.md b/snippets/uuid-generator-browser.md
index 338c5df44..ffcea1eb0 100644
--- a/snippets/uuid-generator-browser.md
+++ b/snippets/uuid-generator-browser.md
@@ -1,9 +1,9 @@
 ---
 title: Generate UUID (browser)
-tags: browser,random
+type: snippet
+tags: [browser,random]
 cover: mountain-lake-cottage
-firstSeen: 2017-12-29T09:47:10+02:00
-lastUpdated: 2020-10-22T20:24:44+03:00
+dateModified: 2020-10-22T20:24:44+03:00
 ---
 
 Generates a UUID in a browser.
diff --git a/snippets/uuid-generator-node.md b/snippets/uuid-generator-node.md
index b794f382b..5eb55954a 100644
--- a/snippets/uuid-generator-node.md
+++ b/snippets/uuid-generator-node.md
@@ -1,9 +1,9 @@
 ---
 title: Generate UUID (Node.js)
-tags: node,random
+type: snippet
+tags: [node,random]
 cover: digital-nomad-7
-firstSeen: 2017-12-29T09:47:10+02:00
-lastUpdated: 2022-03-14T17:41:43+03:00
+dateModified: 2022-03-14T17:41:43+03:00
 ---
 
 Generates a UUID in Node.JS.
diff --git a/snippets/validate-number.md b/snippets/validate-number.md
index 7bdd0ed37..48982a51a 100644
--- a/snippets/validate-number.md
+++ b/snippets/validate-number.md
@@ -1,9 +1,9 @@
 ---
 title: Validate number
-tags: math
+type: snippet
+tags: [math]
 cover: flower-portrait-9
-firstSeen: 2017-12-17T17:55:51+02:00
-lastUpdated: 2020-10-22T20:23:26+03:00
+dateModified: 2020-10-22T20:23:26+03:00
 ---
 
 Checks if the given value is a number.
diff --git a/snippets/vector-angle.md b/snippets/vector-angle.md
index a60bbe318..2169fb990 100644
--- a/snippets/vector-angle.md
+++ b/snippets/vector-angle.md
@@ -1,9 +1,9 @@
 ---
 title: Vector angle
-tags: math
+type: snippet
+tags: [math]
 cover: avocado-slices
-firstSeen: 2019-12-16T16:43:13+02:00
-lastUpdated: 2021-01-08T00:23:44+02:00
+dateModified: 2021-01-08T00:23:44+02:00
 ---
 
 Calculates the angle (theta) between two vectors.
diff --git a/snippets/vector-distance.md b/snippets/vector-distance.md
index 9a9c6a7ea..7c1a5d244 100644
--- a/snippets/vector-distance.md
+++ b/snippets/vector-distance.md
@@ -1,9 +1,9 @@
 ---
 title: Vector distance
-tags: math,algorithm
+type: snippet
+tags: [math,algorithm]
 cover: orange-coffee-3
-firstSeen: 2019-02-23T19:13:48+02:00
-lastUpdated: 2020-12-28T13:49:24+02:00
+dateModified: 2020-12-28T13:49:24+02:00
 ---
 
 Calculates the distance between two vectors.
diff --git a/snippets/walk-through.md b/snippets/walk-through.md
index 99fbed9a7..84671623c 100644
--- a/snippets/walk-through.md
+++ b/snippets/walk-through.md
@@ -1,10 +1,10 @@
 ---
 title: Walk through object
-tags: object,recursion,generator
+type: snippet
+tags: [object,recursion,generator]
 author: chalarangelo
 cover: bridge
-firstSeen: 2020-12-31T13:03:15+02:00
-lastUpdated: 2021-11-15T13:18:18+02:00
+dateModified: 2021-11-15T13:18:18+02:00
 ---
 
 Creates a generator, that walks through all the keys of a given object.
diff --git a/snippets/week-of-year.md b/snippets/week-of-year.md
index d7a96aa5b..4aebc9f1b 100644
--- a/snippets/week-of-year.md
+++ b/snippets/week-of-year.md
@@ -1,9 +1,10 @@
 ---
 title: Week of year
-tags: date
+type: snippet
+tags: [date]
 author: chalarangelo
 cover: godray-computer-mug
-firstSeen: 2021-08-15T05:00:00-04:00
+dateModified: 2021-08-15T05:00:00-04:00
 ---
 
 Returns the zero-indexed week of the year that a date corresponds to.
diff --git a/snippets/weighted-average.md b/snippets/weighted-average.md
index d812caaa8..d1bb98a8b 100644
--- a/snippets/weighted-average.md
+++ b/snippets/weighted-average.md
@@ -1,9 +1,9 @@
 ---
 title: Weighted average
-tags: math
+type: snippet
+tags: [math]
 cover: interior-12
-firstSeen: 2020-10-04T00:38:33+03:00
-lastUpdated: 2020-11-03T21:46:13+02:00
+dateModified: 2020-11-03T21:46:13+02:00
 ---
 
 Calculates the weighted average of two or more numbers.
diff --git a/snippets/weighted-sample.md b/snippets/weighted-sample.md
index 2a47c30ad..aa8e8d65b 100644
--- a/snippets/weighted-sample.md
+++ b/snippets/weighted-sample.md
@@ -1,10 +1,10 @@
 ---
 title: Weighted sample
-tags: array,random
+type: snippet
+tags: [array,random]
 author: chalarangelo
 cover: digital-nomad-14
-firstSeen: 2019-12-31T11:34:26+02:00
-lastUpdated: 2020-10-22T20:24:44+03:00
+dateModified: 2020-10-22T20:24:44+03:00
 ---
 
 Gets a random element from an array, using the provided `weights` as the probabilities for each element.
diff --git a/snippets/when.md b/snippets/when.md
index 9c996b530..9ecddaa8c 100644
--- a/snippets/when.md
+++ b/snippets/when.md
@@ -1,9 +1,9 @@
 ---
 title: Apply function when condition is met
-tags: function,logic
+type: snippet
+tags: [function,logic]
 cover: flower-portrait-8
-firstSeen: 2018-04-19T03:45:32+03:00
-lastUpdated: 2020-10-22T20:24:44+03:00
+dateModified: 2020-10-22T20:24:44+03:00
 ---
 
 Returns a function that takes one argument and runs a callback if it's truthy or returns it if falsy.
diff --git a/snippets/without.md b/snippets/without.md
index d8c75b1c6..1090a5a50 100644
--- a/snippets/without.md
+++ b/snippets/without.md
@@ -1,9 +1,9 @@
 ---
 title: Filter out matching array elements
-tags: array
+type: snippet
+tags: [array]
 cover: dying-flowers
-firstSeen: 2017-12-15T09:35:30+02:00
-lastUpdated: 2020-10-22T20:24:44+03:00
+dateModified: 2020-10-22T20:24:44+03:00
 ---
 
 Filters out the elements of an array that have one of the specified values.
diff --git a/snippets/word-wrap.md b/snippets/word-wrap.md
index 319f7ae6e..a7dbdedc7 100644
--- a/snippets/word-wrap.md
+++ b/snippets/word-wrap.md
@@ -1,9 +1,9 @@
 ---
 title: Word wrap string
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 cover: white-tablet
-firstSeen: 2020-10-06T11:48:41+03:00
-lastUpdated: 2020-10-22T20:24:44+03:00
+dateModified: 2020-10-22T20:24:44+03:00
 ---
 
 Wraps a string to a given number of characters using a string break character.
diff --git a/snippets/words.md b/snippets/words.md
index 024fb2e4e..328ce3fdb 100644
--- a/snippets/words.md
+++ b/snippets/words.md
@@ -1,9 +1,9 @@
 ---
 title: String to words
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 cover: sea-view-2
-firstSeen: 2017-12-21T14:50:57+02:00
-lastUpdated: 2020-10-22T20:24:44+03:00
+dateModified: 2020-10-22T20:24:44+03:00
 ---
 
 Converts a given string into an array of words.
diff --git a/snippets/x-prod.md b/snippets/x-prod.md
index 81493a7fd..937b65020 100644
--- a/snippets/x-prod.md
+++ b/snippets/x-prod.md
@@ -1,9 +1,9 @@
 ---
 title: Cross product of arrays
-tags: math,array
+type: snippet
+tags: [math,array]
 cover: cup-of-orange
-firstSeen: 2018-01-24T15:55:03+02:00
-lastUpdated: 2020-10-22T20:24:44+03:00
+dateModified: 2020-10-22T20:24:44+03:00
 ---
 
 Creates a new array out of the two supplied by creating each possible pair from the arrays.
diff --git a/snippets/xor.md b/snippets/xor.md
index 24963ffb3..e3de470e4 100644
--- a/snippets/xor.md
+++ b/snippets/xor.md
@@ -1,10 +1,10 @@
 ---
 title: Logical xor
-tags: math,logic
+type: snippet
+tags: [math,logic]
 unlisted: true
 cover: succulent-11
-firstSeen: 2020-10-05T21:19:21+03:00
-lastUpdated: 2021-01-04T13:04:15+02:00
+dateModified: 2021-01-04T13:04:15+02:00
 ---
 
 Checks if only one of the arguments is `true`.
diff --git a/snippets/yes-no.md b/snippets/yes-no.md
index dea9d257b..81f763e4c 100644
--- a/snippets/yes-no.md
+++ b/snippets/yes-no.md
@@ -1,10 +1,10 @@
 ---
 title: Check yes/no string
-tags: string,regexp
+type: snippet
+tags: [string,regexp]
 unlisted: true
 cover: mask-quiet
-firstSeen: 2017-12-30T18:35:54+02:00
-lastUpdated: 2021-01-04T13:04:15+02:00
+dateModified: 2021-01-04T13:04:15+02:00
 ---
 
 Returns `true` if the string is `'y'`/`'yes'` or `false` if the string is `'n'`/`'no'`.
diff --git a/snippets/yesterday.md b/snippets/yesterday.md
index 4e7b998f2..087f165cf 100644
--- a/snippets/yesterday.md
+++ b/snippets/yesterday.md
@@ -1,9 +1,9 @@
 ---
 title: Date of yesterday
-tags: date
+type: snippet
+tags: [date]
 cover: travel-mug-2
-firstSeen: 2019-07-19T10:57:21+03:00
-lastUpdated: 2020-10-22T20:24:44+03:00
+dateModified: 2020-10-22T20:24:44+03:00
 ---
 
 Results in a string representation of yesterday's date.
diff --git a/snippets/zip-object.md b/snippets/zip-object.md
index 174e88935..8de68d882 100644
--- a/snippets/zip-object.md
+++ b/snippets/zip-object.md
@@ -1,9 +1,9 @@
 ---
 title: Group array into object
-tags: array,object
+type: snippet
+tags: [array,object]
 cover: baloons-field
-firstSeen: 2017-12-21T00:55:18+02:00
-lastUpdated: 2020-10-22T20:24:44+03:00
+dateModified: 2020-10-22T20:24:44+03:00
 ---
 
 Associates properties to values, given array of valid property identifiers and an array of values.
diff --git a/snippets/zip-with.md b/snippets/zip-with.md
index 8541bd4e6..d5d34e658 100644
--- a/snippets/zip-with.md
+++ b/snippets/zip-with.md
@@ -1,9 +1,9 @@
 ---
 title: Group array elements based on function
-tags: array
+type: snippet
+tags: [array]
 cover: switzerland-night
-firstSeen: 2018-01-20T17:21:34+02:00
-lastUpdated: 2020-11-03T21:46:13+02:00
+dateModified: 2020-11-03T21:46:13+02:00
 ---
 
 Creates an array of elements, grouped based on the position in the original arrays and using a function to specify how grouped values should be combined.
diff --git a/snippets/zip.md b/snippets/zip.md
index 0e5a6eda0..236868d01 100644
--- a/snippets/zip.md
+++ b/snippets/zip.md
@@ -1,9 +1,9 @@
 ---
 title: Group array elements
-tags: array
+type: snippet
+tags: [array]
 cover: orange-flower
-firstSeen: 2017-12-17T16:41:31+02:00
-lastUpdated: 2020-10-22T20:24:44+03:00
+dateModified: 2020-10-22T20:24:44+03:00
 ---
 
 Creates an array of elements, grouped based on their position in the original arrays.