From 2344523e5b0de361bd2a327f373b63c060eda90a Mon Sep 17 00:00:00 2001
From: 30secondsofcode <30secondsofcode@gmail.com>
Date: Tue, 31 Dec 2019 09:38:53 +0000
Subject: [PATCH] Travis build: 1666

---
 snippet_data/snippetList.json          | 22 +++++++-------
 snippet_data/snippets.json             | 42 +++++++++++++-------------
 snippets/deepClone.md                  |  1 -
 snippets/deepMapKeys.md                |  1 -
 snippets/dig.md                        |  1 -
 snippets/factorial.md                  |  1 -
 snippets/getMeridiemSuffixOfInteger.md |  1 -
 snippets/join.md                       |  5 ++-
 snippets/objectToQueryString.md        |  9 +++---
 snippets/pipeAsyncFunctions.md         |  3 +-
 snippets/remove.md                     |  7 +++--
 snippets/size.md                       |  9 +++---
 snippets/weightedSample.md             | 11 ++-----
 test/_30s.js                           | 37 ++++++++++-------------
 vscode_snippets/snippets.json          | 40 ++++++++++++++++--------
 15 files changed, 93 insertions(+), 97 deletions(-)

diff --git a/snippet_data/snippetList.json b/snippet_data/snippetList.json
index ea28d431a..20e372ed1 100644
--- a/snippet_data/snippetList.json
+++ b/snippet_data/snippetList.json
@@ -835,7 +835,7 @@
         ]
       },
       "meta": {
-        "hash": "5ab25ab96afd4f1f481fc318b5b290ba8c57a468ef6bca0ca200cfb7fcf3ba9f"
+        "hash": "77a01af8797ecbe71b9c9412d21c144c03a46a49dd3d0e7d869c3df38b39b2b4"
       }
     },
     {
@@ -898,7 +898,7 @@
         ]
       },
       "meta": {
-        "hash": "7a228b650ff668f697e524e0d27ebeff1bfa35e04333b6cd5e742ff63bfea25d"
+        "hash": "6fa14364405f7b99aa49c2157bdc08c02b4ce2f288db29a4348a6983460933c7"
       }
     },
     {
@@ -1037,7 +1037,7 @@
         ]
       },
       "meta": {
-        "hash": "5f38360819f9225b887a94221bfee1a80f1bcc224a364440b3388f60491b03ba"
+        "hash": "bdc202436bee09f06a353d31841c6cfff33e8efead34c6c56ae1a1413284976d"
       }
     },
     {
@@ -1273,7 +1273,7 @@
         ]
       },
       "meta": {
-        "hash": "55b1ce0a892110d792a9487e40331774015525479faa2b8961f6c2ea6291c27b"
+        "hash": "6e9710c9117f500e74e65c0ee36b39fb80bd55537fa5ff9c4b1136b2667096f2"
       }
     },
     {
@@ -1678,7 +1678,7 @@
         ]
       },
       "meta": {
-        "hash": "16c3b724b653dcb31f3e59f1664a59951abb15a93eb3697cade4d3ae0e63c532"
+        "hash": "f9e6687cc28cd80e68f7a6776f893c7478aaa942710e0eb7144f105eba574a54"
       }
     },
     {
@@ -2864,7 +2864,7 @@
         ]
       },
       "meta": {
-        "hash": "362fddaa6244404741e84bca6fc442a101fdb642af53b299e8b9994d0d7162d8"
+        "hash": "3db3faac666ee61ab86c70766d2ab5d1293ffd818da87edb971bfff7a366364a"
       }
     },
     {
@@ -3425,7 +3425,7 @@
         ]
       },
       "meta": {
-        "hash": "b031c3387ef66411ab5d295788eac4247ada5b4b068dda90603d3c973890bc26"
+        "hash": "e8f820ce6da97eabde082ffb829c9fb700e85efc79bdebe883c67237269e3f52"
       }
     },
     {
@@ -3774,7 +3774,7 @@
         ]
       },
       "meta": {
-        "hash": "17bcf3f13980b7f804d9f0fe274324b2a35ab7d479c03d77322dabba81e1a34a"
+        "hash": "7ccbf66d8d55c60bcf12baa980cf32d67a4ba567894d59e2d798c9af792424ff"
       }
     },
     {
@@ -4171,7 +4171,7 @@
         ]
       },
       "meta": {
-        "hash": "069472d018c3102412dafc2ae8ec6e9396e53c01d0073079f2e3f1ac3c99b6e9"
+        "hash": "c1542907e6295eb81df918174c247a65d73c8daccc56769f2eb32d609b7846fc"
       }
     },
     {
@@ -4487,7 +4487,7 @@
         ]
       },
       "meta": {
-        "hash": "24b93b68a59b49f245590930fed6fb82e286ce09f90e292466cde63c1784c347"
+        "hash": "6dd4c6a51d2c80fa4768c95ae01c16a8359c4140bcad28c7fde0cecd72d7d3e2"
       }
     },
     {
@@ -5483,7 +5483,7 @@
         ]
       },
       "meta": {
-        "hash": "6bba5ca7427489cdf18476542772743ae2d5f4eccb42ff93ee61b9f8ba1f55d6"
+        "hash": "94d3b2ea296a94907be873c19381a525eeb96676cd52cb1baf1bd76bc22971a6"
       }
     },
     {
diff --git a/snippet_data/snippets.json b/snippet_data/snippets.json
index e328733b3..c157ae044 100644
--- a/snippet_data/snippets.json
+++ b/snippet_data/snippets.json
@@ -1361,7 +1361,7 @@
         ]
       },
       "meta": {
-        "hash": "5ab25ab96afd4f1f481fc318b5b290ba8c57a468ef6bca0ca200cfb7fcf3ba9f",
+        "hash": "77a01af8797ecbe71b9c9412d21c144c03a46a49dd3d0e7d869c3df38b39b2b4",
         "firstSeen": "1516733326",
         "lastUpdated": "1577431401",
         "updateCount": 54,
@@ -1464,7 +1464,7 @@
         ]
       },
       "meta": {
-        "hash": "7a228b650ff668f697e524e0d27ebeff1bfa35e04333b6cd5e742ff63bfea25d",
+        "hash": "6fa14364405f7b99aa49c2157bdc08c02b4ce2f288db29a4348a6983460933c7",
         "firstSeen": "1544374334\n1543497773",
         "lastUpdated": "1577431401",
         "updateCount": 68,
@@ -1693,7 +1693,7 @@
         ]
       },
       "meta": {
-        "hash": "5f38360819f9225b887a94221bfee1a80f1bcc224a364440b3388f60491b03ba",
+        "hash": "bdc202436bee09f06a353d31841c6cfff33e8efead34c6c56ae1a1413284976d",
         "firstSeen": "1531080384",
         "lastUpdated": "1577431401",
         "updateCount": 88,
@@ -2079,7 +2079,7 @@
         ]
       },
       "meta": {
-        "hash": "55b1ce0a892110d792a9487e40331774015525479faa2b8961f6c2ea6291c27b",
+        "hash": "6e9710c9117f500e74e65c0ee36b39fb80bd55537fa5ff9c4b1136b2667096f2",
         "firstSeen": "1512650493",
         "lastUpdated": "1577431401",
         "updateCount": 93,
@@ -2744,7 +2744,7 @@
         ]
       },
       "meta": {
-        "hash": "16c3b724b653dcb31f3e59f1664a59951abb15a93eb3697cade4d3ae0e63c532",
+        "hash": "f9e6687cc28cd80e68f7a6776f893c7478aaa942710e0eb7144f105eba574a54",
         "firstSeen": "1515856488",
         "lastUpdated": "1577431401",
         "updateCount": 50,
@@ -4670,7 +4670,7 @@
         "fileName": "join.md",
         "text": "Joins all elements of an array into a string and returns this string.\nUses a separator and an end separator.\n\nUse `Array.prototype.reduce()` to combine elements into a string.\nOmit the second argument, `separator`, to use a default separator of `','`.\nOmit the third argument, `end`, to use the same value as `separator` by default.\n\n",
         "codeBlocks": {
-          "es6": "const join = (arr, separator = ',', end = separator) =>\n  arr.reduce(\n    (acc, val, i) =>\n      i === arr.length - 2\n        ? acc + val + end\n        : i === arr.length - 1\n          ? acc + val\n          : acc + val + separator,\n    ''\n  );",
+          "es6": "const join = (arr, separator = ',', end = separator) =>\n  arr.reduce(\n    (acc, val, i) =>\n      i === arr.length - 2\n        ? acc + val + end\n        : i === arr.length - 1\n        ? acc + val\n        : acc + val + separator,\n    ''\n  );",
           "es5": "var join = function join(arr) {\n  var separator = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : ',';\n  var end = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : separator;\n  return arr.reduce(function (acc, val, i) {\n    return i === arr.length - 2 ? acc + val + end : i === arr.length - 1 ? acc + val : acc + val + separator;\n  }, '');\n};",
           "example": "join(['pen', 'pineapple', 'apple', 'pen'], ',', '&'); // \"pen,pineapple,apple&pen\"\njoin(['pen', 'pineapple', 'apple', 'pen'], ','); // \"pen,pineapple,apple,pen\"\njoin(['pen', 'pineapple', 'apple', 'pen']); // \"pen,pineapple,apple,pen\""
         },
@@ -4680,7 +4680,7 @@
         ]
       },
       "meta": {
-        "hash": "362fddaa6244404741e84bca6fc442a101fdb642af53b299e8b9994d0d7162d8",
+        "hash": "3db3faac666ee61ab86c70766d2ab5d1293ffd818da87edb971bfff7a366364a",
         "firstSeen": "1514801920",
         "lastUpdated": "1577431401",
         "updateCount": 56,
@@ -5579,7 +5579,7 @@
         "fileName": "objectToQueryString.md",
         "text": "Returns a query string generated from the key-value pairs of the given object.\n\nUse `Array.prototype.reduce()` on `Object.entries(queryParameters)` to create the query string.\nDetermine the `symbol` to be either `?` or `&` based on the `length` of `queryString` and concatenate `val` to `queryString` only if it's a string.\nReturn the `queryString` or an empty string when the `queryParameters` are falsy.\n\n",
         "codeBlocks": {
-          "es6": "const objectToQueryString = queryParameters => {\n  return queryParameters\n    ? Object.entries(queryParameters).reduce((queryString, [key, val], index) => {\n      const symbol = queryString.length === 0 ? '?' : '&';\n      queryString += typeof val === 'string' ? `${symbol}${key}=${val}` : '';\n      return queryString;\n    }, '')\n    : '';\n};",
+          "es6": "const objectToQueryString = queryParameters => {\n  return queryParameters\n    ? Object.entries(queryParameters).reduce((queryString, [key, val], index) => {\n        const symbol = queryString.length === 0 ? '?' : '&';\n        queryString += typeof val === 'string' ? `${symbol}${key}=${val}` : '';\n        return queryString;\n      }, '')\n    : '';\n};",
           "es5": "function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }\n\nfunction _nonIterableRest() { throw new TypeError(\"Invalid attempt to destructure non-iterable instance\"); }\n\nfunction _iterableToArrayLimit(arr, i) { if (!(Symbol.iterator in Object(arr) || Object.prototype.toString.call(arr) === \"[object Arguments]\")) { return; } var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i[\"return\"] != null) _i[\"return\"](); } finally { if (_d) throw _e; } } return _arr; }\n\nfunction _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }\n\nvar objectToQueryString = function objectToQueryString(queryParameters) {\n  return queryParameters ? Object.entries(queryParameters).reduce(function (queryString, _ref, index) {\n    var _ref2 = _slicedToArray(_ref, 2),\n        key = _ref2[0],\n        val = _ref2[1];\n\n    var symbol = queryString.length === 0 ? '?' : '&';\n    queryString += typeof val === 'string' ? \"\".concat(symbol).concat(key, \"=\").concat(val) : '';\n    return queryString;\n  }, '') : '';\n};",
           "example": "objectToQueryString({ page: '1', size: '2kg', key: undefined }); // '?page=1&size=2kg'"
         },
@@ -5591,7 +5591,7 @@
         ]
       },
       "meta": {
-        "hash": "b031c3387ef66411ab5d295788eac4247ada5b4b068dda90603d3c973890bc26",
+        "hash": "e8f820ce6da97eabde082ffb829c9fb700e85efc79bdebe883c67237269e3f52",
         "firstSeen": "1570824965",
         "lastUpdated": "1577431401",
         "updateCount": 23,
@@ -6150,7 +6150,7 @@
         "codeBlocks": {
           "es6": "const pipeAsyncFunctions = (...fns) => arg => fns.reduce((p, f) => p.then(f), Promise.resolve(arg));",
           "es5": "var pipeAsyncFunctions = function pipeAsyncFunctions() {\n  for (var _len = arguments.length, fns = new Array(_len), _key = 0; _key < _len; _key++) {\n    fns[_key] = arguments[_key];\n  }\n\n  return function (arg) {\n    return fns.reduce(function (p, f) {\n      return p.then(f);\n    }, Promise.resolve(arg));\n  };\n};",
-          "example": "const sum = pipeAsyncFunctions(\n  x => x + 1,\n  x => new Promise(resolve => setTimeout(() => resolve(x + 2), 1000)),\n  x => x + 3,\n  async x => (await x) + 4\n);\n(async() => {\n  console.log(await sum(5)); // 15 (after one second)\n})();"
+          "example": "const sum = pipeAsyncFunctions(\n  x => x + 1,\n  x => new Promise(resolve => setTimeout(() => resolve(x + 2), 1000)),\n  x => x + 3,\n  async x => (await x) + 4\n);\n(async () => {\n  console.log(await sum(5)); // 15 (after one second)\n})();"
         },
         "tags": [
           "adapter",
@@ -6160,7 +6160,7 @@
         ]
       },
       "meta": {
-        "hash": "17bcf3f13980b7f804d9f0fe274324b2a35ab7d479c03d77322dabba81e1a34a",
+        "hash": "7ccbf66d8d55c60bcf12baa980cf32d67a4ba567894d59e2d798c9af792424ff",
         "firstSeen": "1517069864",
         "lastUpdated": "1577431401",
         "updateCount": 80,
@@ -6797,7 +6797,7 @@
         "fileName": "remove.md",
         "text": "Removes elements from an array for which the given function returns `false`.\n\nUse `Array.prototype.filter()` to find array elements that return truthy values and `Array.prototype.reduce()` to remove elements using `Array.prototype.splice()`.\nThe `func` is invoked with three arguments (`value, index, array`).\n\n",
         "codeBlocks": {
-          "es6": "const remove = (arr, func) =>\n  Array.isArray(arr)\n    ? arr.filter(func).reduce((acc, val) => {\n        arr.splice(arr.indexOf(val), 1);\n        return acc.concat(val);\n      }, [])\n    : [];",
+          "es6": "const remove = (arr, func) =>\n  Array.isArray(arr)\n    ? arr.filter(func).reduce((acc, val) => {\n      arr.splice(arr.indexOf(val), 1);\n      return acc.concat(val);\n    }, [])\n    : [];",
           "es5": "var remove = function remove(arr, func) {\n  return Array.isArray(arr) ? arr.filter(func).reduce(function (acc, val) {\n    arr.splice(arr.indexOf(val), 1);\n    return acc.concat(val);\n  }, []) : [];\n};",
           "example": "remove([1, 2, 3, 4], n => n % 2 === 0); // [2, 4]"
         },
@@ -6807,7 +6807,7 @@
         ]
       },
       "meta": {
-        "hash": "069472d018c3102412dafc2ae8ec6e9396e53c01d0073079f2e3f1ac3c99b6e9",
+        "hash": "c1542907e6295eb81df918174c247a65d73c8daccc56769f2eb32d609b7846fc",
         "firstSeen": "1513521691",
         "lastUpdated": "1577431401",
         "updateCount": 77,
@@ -7311,7 +7311,7 @@
         "fileName": "size.md",
         "text": "Gets the size of an array, object or string.\n\nGet type of `val` (`array`, `object` or `string`). \nUse `length` property for arrays.\nUse `length` or `size` value if available or number of keys for objects.\nUse `size` of a [`Blob` object](https://developer.mozilla.org/en-US/docs/Web/API/Blob) created from `val` for strings.\nSplit strings into array of characters with `split('')` and return its length.\n\n",
         "codeBlocks": {
-          "es6": "const size = val =>\n  Array.isArray(val)\n    ? val.length\n    : val && typeof val === 'object'\n      ? val.size || val.length || Object.keys(val).length\n      : typeof val === 'string'\n        ? new Blob([val]).size\n        : 0;",
+          "es6": "const size = val =>\n  Array.isArray(val)\n    ? val.length\n    : val && typeof val === 'object'\n    ? val.size || val.length || Object.keys(val).length\n    : typeof val === 'string'\n    ? new Blob([val]).size\n    : 0;",
           "es5": "function _typeof(obj) { if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\n\nvar size = function size(val) {\n  return Array.isArray(val) ? val.length : val && _typeof(val) === 'object' ? val.size || val.length || Object.keys(val).length : typeof val === 'string' ? new Blob([val]).size : 0;\n};",
           "example": "size([1, 2, 3, 4, 5]); // 5\nsize('size'); // 4\nsize({ one: 1, two: 2, three: 3 }); // 3"
         },
@@ -7323,7 +7323,7 @@
         ]
       },
       "meta": {
-        "hash": "24b93b68a59b49f245590930fed6fb82e286ce09f90e292466cde63c1784c347",
+        "hash": "6dd4c6a51d2c80fa4768c95ae01c16a8359c4140bcad28c7fde0cecd72d7d3e2",
         "firstSeen": "1514645161",
         "lastUpdated": "1577431401",
         "updateCount": 22,
@@ -8938,7 +8938,7 @@
         "fileName": "weightedSample.md",
         "text": "Returns a random element from an array, using the provided `weights` as the probabilities for each element.\n\nUse `Array.prototype.reduce()` to create an array of partial sums for each value in `weights`.\nUse `Math.random()` to generate a random number and `Array.prototype.findIndex()` to find the correct index based on the array previously produced.\nFinally, return the element of `arr` with the produced index.\n\n\n",
         "codeBlocks": {
-          "es6": "const weightedSample = (arr, weights) => {\n  let roll = Math.random();\n  return arr[\n    weights\n      .reduce((acc, w, i) =>\n        i === 0 ? [w] : [...acc, acc[acc.length - 1] + w],\n        []\n      )\n      .findIndex((v, i, s) =>\n        roll >= (i === 0 ? 0 : s[i - 1]) && roll < v\n      )\n  ];\n}",
+          "es6": "const weightedSample = (arr, weights) => {\n  let roll = Math.random();\n  return arr[\n    weights\n      .reduce((acc, w, i) => (i === 0 ? [w] : [...acc, acc[acc.length - 1] + w]), [])\n      .findIndex((v, i, s) => roll >= (i === 0 ? 0 : s[i - 1]) && roll < v)\n  ];\n};",
           "es5": "function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread(); }\n\nfunction _nonIterableSpread() { throw new TypeError(\"Invalid attempt to spread non-iterable instance\"); }\n\nfunction _iterableToArray(iter) { if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === \"[object Arguments]\") return Array.from(iter); }\n\nfunction _arrayWithoutHoles(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } }\n\nvar weightedSample = function weightedSample(arr, weights) {\n  var roll = Math.random();\n  return arr[weights.reduce(function (acc, w, i) {\n    return i === 0 ? [w] : [].concat(_toConsumableArray(acc), [acc[acc.length - 1] + w]);\n  }, []).findIndex(function (v, i, s) {\n    return roll >= (i === 0 ? 0 : s[i - 1]) && roll < v;\n  })];\n};",
           "example": "weightedSample([3, 7, 9, 11], [0.1, 0.2, 0.6, 0.1]); // 9"
         },
@@ -8949,11 +8949,11 @@
         ]
       },
       "meta": {
-        "hash": "6bba5ca7427489cdf18476542772743ae2d5f4eccb42ff93ee61b9f8ba1f55d6",
-        "firstSeen": "",
-        "lastUpdated": "",
-        "updateCount": 1,
-        "authorCount": 1
+        "hash": "94d3b2ea296a94907be873c19381a525eeb96676cd52cb1baf1bd76bc22971a6",
+        "firstSeen": "1577784866",
+        "lastUpdated": "1577784866",
+        "updateCount": 2,
+        "authorCount": 2
       }
     },
     {
diff --git a/snippets/deepClone.md b/snippets/deepClone.md
index 5eefd68bd..583169aa7 100644
--- a/snippets/deepClone.md
+++ b/snippets/deepClone.md
@@ -11,7 +11,6 @@ Use `Object.assign()` and an empty object (`{}`) to create a shallow clone of th
 Use `Object.keys()` and `Array.prototype.forEach()` to determine which key-value pairs need to be deep cloned.
 
 ```js
-
 const deepClone = obj => {
   if (obj === null) return null;
   let clone = Object.assign({}, obj);
diff --git a/snippets/deepMapKeys.md b/snippets/deepMapKeys.md
index 349ba652f..e9561091d 100644
--- a/snippets/deepMapKeys.md
+++ b/snippets/deepMapKeys.md
@@ -10,7 +10,6 @@ Use `Object.keys(obj)` to iterate over the object's keys.
 Use `Array.prototype.reduce()` to create a new object with the same values and mapped keys using `fn`.
 
 ```js
-
 const deepMapKeys = (obj, f) =>
   Array.isArray(obj)
     ? obj.map(val => deepMapKeys(val, f))
diff --git a/snippets/dig.md b/snippets/dig.md
index b1ec83f8e..4484cdd6f 100644
--- a/snippets/dig.md
+++ b/snippets/dig.md
@@ -9,7 +9,6 @@ Use the `in` operator to check if `target` exists in `obj`.
 If found, return the value of `obj[target]`, otherwise use `Object.values(obj)` and `Array.prototype.reduce()` to recursively call `dig` on each nested object until the first matching key/value pair is found.
 
 ```js
-
 const dig = (obj, target) =>
   target in obj
     ? obj[target]
diff --git a/snippets/factorial.md b/snippets/factorial.md
index baa668b8f..461dbd4f1 100644
--- a/snippets/factorial.md
+++ b/snippets/factorial.md
@@ -11,7 +11,6 @@ Otherwise, return the product of `n` and the factorial of `n - 1`.
 Throws an exception if `n` is a negative number.
 
 ```js
-
 const factorial = n =>
   n < 0
     ? (() => {
diff --git a/snippets/getMeridiemSuffixOfInteger.md b/snippets/getMeridiemSuffixOfInteger.md
index 74ac86ec7..1d9c01ee0 100644
--- a/snippets/getMeridiemSuffixOfInteger.md
+++ b/snippets/getMeridiemSuffixOfInteger.md
@@ -8,7 +8,6 @@ Converts an integer to a suffixed string, adding `am` or `pm` based on its value
 Use the modulo operator (`%`) and conditional checks to transform an integer to a stringified 12-hour format with meridiem suffix.
 
 ```js
-
 const getMeridiemSuffixOfInteger = num =>
   num === 0 || num === 24
     ? 12 + 'am'
diff --git a/snippets/join.md b/snippets/join.md
index 6bf258224..6df3c9145 100644
--- a/snippets/join.md
+++ b/snippets/join.md
@@ -11,15 +11,14 @@ Omit the second argument, `separator`, to use a default separator of `','`.
 Omit the third argument, `end`, to use the same value as `separator` by default.
 
 ```js
-
 const join = (arr, separator = ',', end = separator) =>
   arr.reduce(
     (acc, val, i) =>
       i === arr.length - 2
         ? acc + val + end
         : i === arr.length - 1
-          ? acc + val
-          : acc + val + separator,
+        ? acc + val
+        : acc + val + separator,
     ''
   );
 ```
diff --git a/snippets/objectToQueryString.md b/snippets/objectToQueryString.md
index 0b63cd94f..e83fdddce 100644
--- a/snippets/objectToQueryString.md
+++ b/snippets/objectToQueryString.md
@@ -10,14 +10,13 @@ Determine the `symbol` to be either `?` or `&` based on the `length` of `querySt
 Return the `queryString` or an empty string when the `queryParameters` are falsy.
 
 ```js
-
 const objectToQueryString = queryParameters => {
   return queryParameters
     ? Object.entries(queryParameters).reduce((queryString, [key, val], index) => {
-      const symbol = queryString.length === 0 ? '?' : '&';
-      queryString += typeof val === 'string' ? `${symbol}${key}=${val}` : '';
-      return queryString;
-    }, '')
+        const symbol = queryString.length === 0 ? '?' : '&';
+        queryString += typeof val === 'string' ? `${symbol}${key}=${val}` : '';
+        return queryString;
+      }, '')
     : '';
 };
 ```
diff --git a/snippets/pipeAsyncFunctions.md b/snippets/pipeAsyncFunctions.md
index 31bbfbd21..4904b600a 100644
--- a/snippets/pipeAsyncFunctions.md
+++ b/snippets/pipeAsyncFunctions.md
@@ -14,14 +14,13 @@ const pipeAsyncFunctions = (...fns) => arg => fns.reduce((p, f) => p.then(f), Pr
 ```
 
 ```js
-
 const sum = pipeAsyncFunctions(
   x => x + 1,
   x => new Promise(resolve => setTimeout(() => resolve(x + 2), 1000)),
   x => x + 3,
   async x => (await x) + 4
 );
-(async() => {
+(async () => {
   console.log(await sum(5)); // 15 (after one second)
 })();
 ```
\ No newline at end of file
diff --git a/snippets/remove.md b/snippets/remove.md
index 1b3b066a1..c9f127afb 100644
--- a/snippets/remove.md
+++ b/snippets/remove.md
@@ -9,12 +9,13 @@ Use `Array.prototype.filter()` to find array elements that return truthy values
 The `func` is invoked with three arguments (`value, index, array`).
 
 ```js
+
 const remove = (arr, func) =>
   Array.isArray(arr)
     ? arr.filter(func).reduce((acc, val) => {
-        arr.splice(arr.indexOf(val), 1);
-        return acc.concat(val);
-      }, [])
+      arr.splice(arr.indexOf(val), 1);
+      return acc.concat(val);
+    }, [])
     : [];
 ```
 
diff --git a/snippets/size.md b/snippets/size.md
index c658adcb7..b940a8ea5 100644
--- a/snippets/size.md
+++ b/snippets/size.md
@@ -12,15 +12,14 @@ Use `size` of a [`Blob` object](https://developer.mozilla.org/en-US/docs/Web/API
 Split strings into array of characters with `split('')` and return its length.
 
 ```js
-
 const size = val =>
   Array.isArray(val)
     ? val.length
     : val && typeof val === 'object'
-      ? val.size || val.length || Object.keys(val).length
-      : typeof val === 'string'
-        ? new Blob([val]).size
-        : 0;
+    ? val.size || val.length || Object.keys(val).length
+    : typeof val === 'string'
+    ? new Blob([val]).size
+    : 0;
 ```
 
 ```js
diff --git a/snippets/weightedSample.md b/snippets/weightedSample.md
index 17ccb3202..b74ee3497 100644
--- a/snippets/weightedSample.md
+++ b/snippets/weightedSample.md
@@ -15,15 +15,10 @@ const weightedSample = (arr, weights) => {
   let roll = Math.random();
   return arr[
     weights
-      .reduce((acc, w, i) =>
-        i === 0 ? [w] : [...acc, acc[acc.length - 1] + w],
-        []
-      )
-      .findIndex((v, i, s) =>
-        roll >= (i === 0 ? 0 : s[i - 1]) && roll < v
-      )
+      .reduce((acc, w, i) => (i === 0 ? [w] : [...acc, acc[acc.length - 1] + w]), [])
+      .findIndex((v, i, s) => roll >= (i === 0 ? 0 : s[i - 1]) && roll < v)
   ];
-}
+};
 ```
 
 ```js
diff --git a/test/_30s.js b/test/_30s.js
index 32f4e9790..c67d8922c 100644
--- a/test/_30s.js
+++ b/test/_30s.js
@@ -656,8 +656,8 @@ const join = (arr, separator = ',', end = separator) =>
       i === arr.length - 2
         ? acc + val + end
         : i === arr.length - 1
-          ? acc + val
-          : acc + val + separator,
+        ? acc + val
+        : acc + val + separator,
     ''
   );
 const JSONtoCSV = (arr, columns, delimiter = ',') =>
@@ -776,10 +776,10 @@ const objectToPairs = obj => Object.keys(obj).map(k => [k, obj[k]]);
 const objectToQueryString = queryParameters => {
   return queryParameters
     ? Object.entries(queryParameters).reduce((queryString, [key, val], index) => {
-      const symbol = queryString.length === 0 ? '?' : '&';
-      queryString += typeof val === 'string' ? `${symbol}${key}=${val}` : '';
-      return queryString;
-    }, '')
+        const symbol = queryString.length === 0 ? '?' : '&';
+        queryString += typeof val === 'string' ? `${symbol}${key}=${val}` : '';
+        return queryString;
+      }, '')
     : '';
 };
 const observeMutations = (element, callback, options) => {
@@ -1011,9 +1011,9 @@ const reject = (pred, array) => array.filter((...args) => !pred(...args));
 const remove = (arr, func) =>
   Array.isArray(arr)
     ? arr.filter(func).reduce((acc, val) => {
-        arr.splice(arr.indexOf(val), 1);
-        return acc.concat(val);
-      }, [])
+      arr.splice(arr.indexOf(val), 1);
+      return acc.concat(val);
+    }, [])
     : [];
 const removeNonASCII = str => str.replace(/[^\x20-\x7E]/g, '');
 const renameKeys = (keysMap, obj) =>
@@ -1091,10 +1091,10 @@ const size = val =>
   Array.isArray(val)
     ? val.length
     : val && typeof val === 'object'
-      ? val.size || val.length || Object.keys(val).length
-      : typeof val === 'string'
-        ? new Blob([val]).size
-        : 0;
+    ? val.size || val.length || Object.keys(val).length
+    : typeof val === 'string'
+    ? new Blob([val]).size
+    : 0;
 const sleep = ms => new Promise(resolve => setTimeout(resolve, ms));
 const smoothScroll = element =>
   document.querySelector(element).scrollIntoView({
@@ -1379,15 +1379,10 @@ const weightedSample = (arr, weights) => {
   let roll = Math.random();
   return arr[
     weights
-      .reduce((acc, w, i) =>
-        i === 0 ? [w] : [...acc, acc[acc.length - 1] + w],
-        []
-      )
-      .findIndex((v, i, s) =>
-        roll >= (i === 0 ? 0 : s[i - 1]) && roll < v
-      )
+      .reduce((acc, w, i) => (i === 0 ? [w] : [...acc, acc[acc.length - 1] + w]), [])
+      .findIndex((v, i, s) => roll >= (i === 0 ? 0 : s[i - 1]) && roll < v)
   ];
-}
+};
 const when = (pred, whenTrue) => x => (pred(x) ? whenTrue(x) : x);
 const without = (arr, ...args) => arr.filter(v => !args.includes(v));
 const words = (str, pattern = /[^a-zA-Z-]+/) => str.split(pattern).filter(Boolean);
diff --git a/vscode_snippets/snippets.json b/vscode_snippets/snippets.json
index 2e2468dcb..3a1711367 100644
--- a/vscode_snippets/snippets.json
+++ b/vscode_snippets/snippets.json
@@ -1743,8 +1743,8 @@
       "      i === arr.length - 2",
       "        ? acc + val + end",
       "        : i === arr.length - 1",
-      "          ? acc + val",
-      "          : acc + val + separator,",
+      "        ? acc + val",
+      "        : acc + val + separator,",
       "    ''",
       "  );"
     ],
@@ -2073,10 +2073,10 @@
       "const objectToQueryString = queryParameters => {",
       "  return queryParameters",
       "    ? Object.entries(queryParameters).reduce((queryString, [key, val], index) => {",
-      "      const symbol = queryString.length === 0 ? '?' : '&';",
-      "      queryString += typeof val === 'string' ? `${symbol}${key}=${val}` : '';",
-      "      return queryString;",
-      "    }, '')",
+      "        const symbol = queryString.length === 0 ? '?' : '&';",
+      "        queryString += typeof val === 'string' ? `${symbol}${key}=${val}` : '';",
+      "        return queryString;",
+      "      }, '')",
       "    : '';",
       "};"
     ],
@@ -2590,9 +2590,9 @@
       "const remove = (arr, func) =>",
       "  Array.isArray(arr)",
       "    ? arr.filter(func).reduce((acc, val) => {",
-      "        arr.splice(arr.indexOf(val), 1);",
-      "        return acc.concat(val);",
-      "      }, [])",
+      "      arr.splice(arr.indexOf(val), 1);",
+      "      return acc.concat(val);",
+      "    }, [])",
       "    : [];"
     ],
     "description": "Removes elements from an array for which the given function returns `false`.\n\nUse `Array.prototype.filter()` to find array elements that return truthy values and `Array.prototype.reduce()` to remove elements using `Array.prototype.splice()`.\nThe `func` is invoked with three arguments (`value, index, array`).\n"
@@ -2790,10 +2790,10 @@
       "  Array.isArray(val)",
       "    ? val.length",
       "    : val && typeof val === 'object'",
-      "      ? val.size || val.length || Object.keys(val).length",
-      "      : typeof val === 'string'",
-      "        ? new Blob([val]).size",
-      "        : 0;"
+      "    ? val.size || val.length || Object.keys(val).length",
+      "    : typeof val === 'string'",
+      "    ? new Blob([val]).size",
+      "    : 0;"
     ],
     "description": "Gets the size of an array, object or string.\n\nGet type of `val` (`array`, `object` or `string`). \nUse `length` property for arrays.\nUse `length` or `size` value if available or number of keys for objects.\nUse `size` of a [`Blob` object](https://developer.mozilla.org/en-US/docs/Web/API/Blob) created from `val` for strings.\nSplit strings into array of characters with `split('')` and return its length.\n"
   },
@@ -3449,6 +3449,20 @@
     ],
     "description": "Returns the distance between two vectors.\n\nUse `Array.prototype.reduce()`, `Math.pow()` and `Math.sqrt()` to calculate the Euclidean distance between two vectors.\n"
   },
+  "weightedSample": {
+    "prefix": "30s_weightedSample",
+    "body": [
+      "const weightedSample = (arr, weights) => {",
+      "  let roll = Math.random();",
+      "  return arr[",
+      "    weights",
+      "      .reduce((acc, w, i) => (i === 0 ? [w] : [...acc, acc[acc.length - 1] + w]), [])",
+      "      .findIndex((v, i, s) => roll >= (i === 0 ? 0 : s[i - 1]) && roll < v)",
+      "  ];",
+      "};"
+    ],
+    "description": "Returns a random element from an array, using the provided `weights` as the probabilities for each element.\n\nUse `Array.prototype.reduce()` to create an array of partial sums for each value in `weights`.\nUse `Math.random()` to generate a random number and `Array.prototype.findIndex()` to find the correct index based on the array previously produced.\nFinally, return the element of `arr` with the produced index.\n\n"
+  },
   "when": {
     "prefix": "30s_when",
     "body": [