diff --git a/snippet_data/snippetList.json b/snippet_data/snippetList.json index 38dc181d3..035eba745 100644 --- a/snippet_data/snippetList.json +++ b/snippet_data/snippetList.json @@ -464,14 +464,14 @@ "type": "snippetListing", "title": "coalesce", "attributes": { - "text": "Returns the first non-null/undefined argument.\n\nUse `Array.prototype.find()` to return the first non `null`/`undefined` argument.\n\n", + "text": "Returns the first defined, non-null argument.\n\nUse `Array.prototype.find()` and `Array.prototype.includes()` to find the first value that is not equal to `undefined` or `null`.\n\n", "tags": [ "utility", "beginner" ] }, "meta": { - "hash": "52b7275a934c85ccab144c174f07cf0f3aaf8b1dee913abab020b1be9666d021" + "hash": "7c0db11447039e7d9bce2ed420ca1f69671b25928d272596587192a84aa78e31" } }, { @@ -832,7 +832,7 @@ ] }, "meta": { - "hash": "5ab25ab96afd4f1f481fc318b5b290ba8c57a468ef6bca0ca200cfb7fcf3ba9f" + "hash": "77a01af8797ecbe71b9c9412d21c144c03a46a49dd3d0e7d869c3df38b39b2b4" } }, { @@ -895,7 +895,7 @@ ] }, "meta": { - "hash": "7a228b650ff668f697e524e0d27ebeff1bfa35e04333b6cd5e742ff63bfea25d" + "hash": "6fa14364405f7b99aa49c2157bdc08c02b4ce2f288db29a4348a6983460933c7" } }, { @@ -1034,7 +1034,7 @@ ] }, "meta": { - "hash": "5f38360819f9225b887a94221bfee1a80f1bcc224a364440b3388f60491b03ba" + "hash": "484bd222e636e8a8409c30ddb1fe6e3fe72ab7a43f2edf089b2758d5e9bee528" } }, { @@ -1270,7 +1270,7 @@ ] }, "meta": { - "hash": "55b1ce0a892110d792a9487e40331774015525479faa2b8961f6c2ea6291c27b" + "hash": "0eac852db7a7add352b0d36677b22718b342ed9dc12f11780cac87e3b8260a05" } }, { @@ -1689,7 +1689,7 @@ ] }, "meta": { - "hash": "16c3b724b653dcb31f3e59f1664a59951abb15a93eb3697cade4d3ae0e63c532" + "hash": "9e39c6a3a8ec5b51c5e16f69107fc9e90b2697b2cf2689850872071bb968723e" } }, { @@ -1728,14 +1728,14 @@ "type": "snippetListing", "title": "getType", "attributes": { - "text": "Returns the native type of a value.\n\nReturns lowercased constructor name of value, `\"undefined\"` or `\"null\"` if value is `undefined` or `null`.\n\n", + "text": "Returns the native type of a value.\n\nReturn `\"undefined\"` or `\"null\"` if the value is `undefined` or `null`.\nOtherwise, use `Object.prototype.constructor.name` to get the name of the constructor, `String.prototype.toLowerCase()` to return it in lowercase.\n\n", "tags": [ "type", "beginner" ] }, "meta": { - "hash": "7209ddadbe2402ac811e20f69feecbb682ee8ec0545dc4d0839455d4cb790432" + "hash": "87c0b3cc13caebf6bb46f0769fecc8b13140ea133bbf096136c740154c1d456f" } }, { @@ -1777,14 +1777,15 @@ "type": "snippetListing", "title": "hammingDistance", "attributes": { - "text": "Calculates the Hamming distance between two values.\n\nUse XOR operator (`^`) to find the bit difference between the two numbers, convert to a binary string using `toString(2)`.\nCount and return the number of `1`s in the string, using `match(/1/g)`.\n\n", + "text": "Calculates the Hamming distance between two values.\n\nUse the XOR operator (`^`) to find the bit difference between the two numbers, convert to a binary string using `toString(2)`.\nCount and return the number of `1`s in the string, using `match(/1/g)`.\n\n", "tags": [ "math", - "beginner" + "regexp", + "intermediate" ] }, "meta": { - "hash": "b4234c37a89fb91b38283fc4ce8c4ccb2d7fb62d522f0becad4dd3d6a62efe56" + "hash": "bab775633603d798a5475f4bd22afdcbdea8bfdf81ea58eba661c16ee2a1ffbf" } }, { @@ -2536,14 +2537,14 @@ "type": "snippetListing", "title": "isNil", "attributes": { - "text": "Returns `true` if the specified value is `null` or `undefined`, `false` otherwise.\n\nUse the strict equality operator to check if the value and of `val` are equal to `null` or `undefined`.\n\n", + "text": "Returns `true` if the specified value is `null` or `undefined`, `false` otherwise.\n\nUse the strict equality operator to check if the value of `val` is equal to `null` or `undefined`.\n\n", "tags": [ "type", "beginner" ] }, "meta": { - "hash": "fd508fc1174e19116709b5979af67b3bcc48100b19e5a87e15b9545ba0a56d88" + "hash": "c09e927ebf399af3fa3bd3873b407f26130f86e6abb7871f88e1892baed899bf" } }, { @@ -2551,14 +2552,14 @@ "type": "snippetListing", "title": "isNull", "attributes": { - "text": "Returns `true` if the specified value is `null`, `false` otherwise.\n\nUse the strict equality operator to check if the value and of `val` are equal to `null`.\n\n", + "text": "Returns `true` if the specified value is `null`, `false` otherwise.\n\nUse the strict equality operator to check if the value of `val` is equal to `null`.\n\n", "tags": [ "type", "beginner" ] }, "meta": { - "hash": "ecce7adac512977eb9a1f6ea9644c1e1318ca8611512009fbd55ea38519aa1c3" + "hash": "4247f69d4cb570cccbe23e147336e5a610070be0fce5d3c5011f7b04a6f9ed3e" } }, { @@ -2820,14 +2821,14 @@ "type": "snippetListing", "title": "isUndefined", "attributes": { - "text": "Returns `true` if the specified value is `undefined`, `false` otherwise.\n\nUse the strict equality operator to check if the value and of `val` are equal to `undefined`.\n\n", + "text": "Returns `true` if the specified value is `undefined`, `false` otherwise.\n\nUse the strict equality operator to check if `val` is equal to `undefined`.\n\n", "tags": [ "type", "beginner" ] }, "meta": { - "hash": "6ebaa03264b6b2f637f8380b8796ebdc820a2031db72fcfd5d6d657af79b496c" + "hash": "c76d495087390da80a6a0d54f27220254b0cd547a79ac1357a4b04e43938794a" } }, { @@ -2920,7 +2921,7 @@ ] }, "meta": { - "hash": "3db3faac666ee61ab86c70766d2ab5d1293ffd818da87edb971bfff7a366364a" + "hash": "362fddaa6244404741e84bca6fc442a101fdb642af53b299e8b9994d0d7162d8" } }, { @@ -3495,7 +3496,7 @@ ] }, "meta": { - "hash": "e8f820ce6da97eabde082ffb829c9fb700e85efc79bdebe883c67237269e3f52" + "hash": "b031c3387ef66411ab5d295788eac4247ada5b4b068dda90603d3c973890bc26" } }, { @@ -3841,7 +3842,7 @@ ] }, "meta": { - "hash": "a2b9ac4f1209c3791caa6f40f0d041acd75514e9ee8909f2e3833635f357c0bd" + "hash": "0eb844801e767edcaa6a882a6dce4b5b1dadecb53a92d6ec259d36c57b6a3dd0" } }, { @@ -4235,7 +4236,7 @@ ] }, "meta": { - "hash": "c1542907e6295eb81df918174c247a65d73c8daccc56769f2eb32d609b7846fc" + "hash": "069472d018c3102412dafc2ae8ec6e9396e53c01d0073079f2e3f1ac3c99b6e9" } }, { @@ -4551,7 +4552,7 @@ ] }, "meta": { - "hash": "6dd4c6a51d2c80fa4768c95ae01c16a8359c4140bcad28c7fde0cecd72d7d3e2" + "hash": "24b93b68a59b49f245590930fed6fb82e286ce09f90e292466cde63c1784c347" } }, { @@ -5117,7 +5118,7 @@ ] }, "meta": { - "hash": "ebe1997777f4fb4c97cd5ae23a0cc590a0aab8f6762ae1d39c17f27bf2efe1c6" + "hash": "b893c5ab5d118c46dc7b673413adbeddd967093c36225eb31cf446c95de0ff39" } }, { diff --git a/snippet_data/snippets.json b/snippet_data/snippets.json index 317827985..b8a94a107 100644 --- a/snippet_data/snippets.json +++ b/snippet_data/snippets.json @@ -755,11 +755,11 @@ "type": "snippet", "attributes": { "fileName": "coalesce.md", - "text": "Returns the first non-null/undefined argument.\n\nUse `Array.prototype.find()` to return the first non `null`/`undefined` argument.\n\n", + "text": "Returns the first defined, non-null argument.\n\nUse `Array.prototype.find()` and `Array.prototype.includes()` to find the first value that is not equal to `undefined` or `null`.\n\n", "codeBlocks": { - "es6": "const coalesce = (...args) => args.find(_ => ![undefined, null].includes(_));", - "es5": "var coalesce = function coalesce() {\n for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n args[_key] = arguments[_key];\n }\n\n return args.find(function (_) {\n return ![undefined, null].includes(_);\n });\n};", - "example": "coalesce(null, undefined, '', NaN, 'Waldo'); // \"\"" + "es6": "const coalesce = (...args) => args.find(v => ![undefined, null].includes(v));", + "es5": "var coalesce = function coalesce() {\n for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n args[_key] = arguments[_key];\n }\n\n return args.find(function (v) {\n return ![undefined, null].includes(v);\n });\n};", + "example": "coalesce(null, undefined, '', NaN, 'Waldo'); // ''" }, "tags": [ "utility", @@ -767,10 +767,10 @@ ] }, "meta": { - "hash": "52b7275a934c85ccab144c174f07cf0f3aaf8b1dee913abab020b1be9666d021", + "hash": "7c0db11447039e7d9bce2ed420ca1f69671b25928d272596587192a84aa78e31", "firstSeen": "1513498135", - "lastUpdated": "1565681352", - "updateCount": 10, + "lastUpdated": "1583442418", + "updateCount": 11, "authorCount": 6 } }, @@ -1358,10 +1358,10 @@ ] }, "meta": { - "hash": "5ab25ab96afd4f1f481fc318b5b290ba8c57a468ef6bca0ca200cfb7fcf3ba9f", + "hash": "77a01af8797ecbe71b9c9412d21c144c03a46a49dd3d0e7d869c3df38b39b2b4", "firstSeen": "1516733326", - "lastUpdated": "1582054301", - "updateCount": 64, + "lastUpdated": "1582057110", + "updateCount": 65, "authorCount": 9 } }, @@ -1461,10 +1461,10 @@ ] }, "meta": { - "hash": "7a228b650ff668f697e524e0d27ebeff1bfa35e04333b6cd5e742ff63bfea25d", + "hash": "6fa14364405f7b99aa49c2157bdc08c02b4ce2f288db29a4348a6983460933c7", "firstSeen": "1544374334\n1543497773", - "lastUpdated": "1582054301", - "updateCount": 76, + "lastUpdated": "1582057110", + "updateCount": 77, "authorCount": 4 } }, @@ -1679,7 +1679,7 @@ "fileName": "dig.md", "text": "Returns the target value in a nested JSON object, based on the given key.\n\nUse the `in` operator to check if `target` exists in `obj`.\nIf 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.\n\n", "codeBlocks": { - "es6": "const dig = (obj, target) =>\n target in obj\n ? obj[target]\n : Object.values(obj).reduce((acc, val) => {\n if (acc !== undefined) return acc;\n if (typeof val === 'object') return dig(val, target);\n }, undefined);", + "es6": "const dig = (obj, target) =>\n target in obj\n ? obj[target]\n : Object.values(obj).reduce((acc, val) => {\n if (acc !== undefined) return acc;\n if (typeof val === 'object') return dig(val, target);\n }, undefined);", "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 dig = function dig(obj, target) {\n return target in obj ? obj[target] : Object.values(obj).reduce(function (acc, val) {\n if (acc !== undefined) return acc;\n if (_typeof(val) === 'object') return dig(val, target);\n }, undefined);\n};", "example": "const data = {\n level1: {\n level2: {\n level3: 'some data'\n }\n }\n};\ndig(data, 'level3'); // 'some data'\ndig(data, 'level4'); // undefined" }, @@ -1690,10 +1690,10 @@ ] }, "meta": { - "hash": "5f38360819f9225b887a94221bfee1a80f1bcc224a364440b3388f60491b03ba", + "hash": "484bd222e636e8a8409c30ddb1fe6e3fe72ab7a43f2edf089b2758d5e9bee528", "firstSeen": "1531080384", - "lastUpdated": "1582054301", - "updateCount": 101, + "lastUpdated": "1582057110", + "updateCount": 102, "authorCount": 5 } }, @@ -2065,7 +2065,7 @@ "fileName": "factorial.md", "text": "Calculates the factorial of a number.\n\nUse recursion.\nIf `n` is less than or equal to `1`, return `1`.\nOtherwise, return the product of `n` and the factorial of `n - 1`.\nThrows an exception if `n` is a negative number.\n\n", "codeBlocks": { - "es6": "const factorial = n =>\n n < 0\n ? (() => {\n throw new TypeError('Negative numbers are not allowed!');\n })()\n : n <= 1\n ? 1\n : n * factorial(n - 1);", + "es6": "const factorial = n =>\n n < 0\n ? (() => {\n throw new TypeError('Negative numbers are not allowed!');\n })()\n : n <= 1\n ? 1\n : n * factorial(n - 1);", "es5": "var factorial = function factorial(n) {\n return n < 0 ? function () {\n throw new TypeError('Negative numbers are not allowed!');\n }() : n <= 1 ? 1 : n * factorial(n - 1);\n};", "example": "factorial(6); // 720" }, @@ -2076,10 +2076,10 @@ ] }, "meta": { - "hash": "55b1ce0a892110d792a9487e40331774015525479faa2b8961f6c2ea6291c27b", + "hash": "0eac852db7a7add352b0d36677b22718b342ed9dc12f11780cac87e3b8260a05", "firstSeen": "1512650493", - "lastUpdated": "1582054301", - "updateCount": 106, + "lastUpdated": "1582057110", + "updateCount": 107, "authorCount": 6 } }, @@ -2755,7 +2755,7 @@ "fileName": "getMeridiemSuffixOfInteger.md", "text": "Converts an integer to a suffixed string, adding `am` or `pm` based on its value.\n\nUse the modulo operator (`%`) and conditional checks to transform an integer to a stringified 12-hour format with meridiem suffix.\n\n", "codeBlocks": { - "es6": "const getMeridiemSuffixOfInteger = num =>\n num === 0 || num === 24\n ? 12 + 'am'\n : num === 12\n ? 12 + 'pm'\n : num < 12\n ? (num % 12) + 'am'\n : (num % 12) + 'pm';", + "es6": "const getMeridiemSuffixOfInteger = num =>\n num === 0 || num === 24\n ? 12 + 'am'\n : num === 12\n ? 12 + 'pm'\n : num < 12\n ? (num % 12) + 'am'\n : (num % 12) + 'pm';", "es5": "var getMeridiemSuffixOfInteger = function getMeridiemSuffixOfInteger(num) {\n return num === 0 || num === 24 ? 12 + 'am' : num === 12 ? 12 + 'pm' : num < 12 ? num % 12 + 'am' : num % 12 + 'pm';\n};", "example": "getMeridiemSuffixOfInteger(0); // \"12am\"\ngetMeridiemSuffixOfInteger(11); // \"11am\"\ngetMeridiemSuffixOfInteger(13); // \"1pm\"\ngetMeridiemSuffixOfInteger(25); // \"1pm\"" }, @@ -2765,10 +2765,10 @@ ] }, "meta": { - "hash": "16c3b724b653dcb31f3e59f1664a59951abb15a93eb3697cade4d3ae0e63c532", + "hash": "9e39c6a3a8ec5b51c5e16f69107fc9e90b2697b2cf2689850872071bb968723e", "firstSeen": "1515856488", - "lastUpdated": "1582054301", - "updateCount": 65, + "lastUpdated": "1582057110", + "updateCount": 66, "authorCount": 4 } }, @@ -2829,7 +2829,7 @@ "type": "snippet", "attributes": { "fileName": "getType.md", - "text": "Returns the native type of a value.\n\nReturns lowercased constructor name of value, `\"undefined\"` or `\"null\"` if value is `undefined` or `null`.\n\n", + "text": "Returns the native type of a value.\n\nReturn `\"undefined\"` or `\"null\"` if the value is `undefined` or `null`.\nOtherwise, use `Object.prototype.constructor.name` to get the name of the constructor, `String.prototype.toLowerCase()` to return it in lowercase.\n\n", "codeBlocks": { "es6": "const getType = v =>\n v === undefined ? 'undefined' : v === null ? 'null' : v.constructor.name.toLowerCase();", "es5": "var getType = function getType(v) {\n return v === undefined ? 'undefined' : v === null ? 'null' : v.constructor.name.toLowerCase();\n};", @@ -2841,10 +2841,10 @@ ] }, "meta": { - "hash": "7209ddadbe2402ac811e20f69feecbb682ee8ec0545dc4d0839455d4cb790432", + "hash": "87c0b3cc13caebf6bb46f0769fecc8b13140ea133bbf096136c740154c1d456f", "firstSeen": "1513526151", - "lastUpdated": "1565681352", - "updateCount": 10, + "lastUpdated": "1583442386", + "updateCount": 11, "authorCount": 6 } }, @@ -2908,7 +2908,7 @@ "type": "snippet", "attributes": { "fileName": "hammingDistance.md", - "text": "Calculates the Hamming distance between two values.\n\nUse XOR operator (`^`) to find the bit difference between the two numbers, convert to a binary string using `toString(2)`.\nCount and return the number of `1`s in the string, using `match(/1/g)`.\n\n", + "text": "Calculates the Hamming distance between two values.\n\nUse the XOR operator (`^`) to find the bit difference between the two numbers, convert to a binary string using `toString(2)`.\nCount and return the number of `1`s in the string, using `match(/1/g)`.\n\n", "codeBlocks": { "es6": "const hammingDistance = (num1, num2) => ((num1 ^ num2).toString(2).match(/1/g) || '').length;", "es5": "var hammingDistance = function hammingDistance(num1, num2) {\n return ((num1 ^ num2).toString(2).match(/1/g) || '').length;\n};", @@ -2916,14 +2916,15 @@ }, "tags": [ "math", - "beginner" + "regexp", + "intermediate" ] }, "meta": { - "hash": "b4234c37a89fb91b38283fc4ce8c4ccb2d7fb62d522f0becad4dd3d6a62efe56", + "hash": "bab775633603d798a5475f4bd22afdcbdea8bfdf81ea58eba661c16ee2a1ffbf", "firstSeen": "1513526151", - "lastUpdated": "1565681352", - "updateCount": 7, + "lastUpdated": "1583442408", + "updateCount": 8, "authorCount": 5 } }, @@ -4147,7 +4148,7 @@ "type": "snippet", "attributes": { "fileName": "isNil.md", - "text": "Returns `true` if the specified value is `null` or `undefined`, `false` otherwise.\n\nUse the strict equality operator to check if the value and of `val` are equal to `null` or `undefined`.\n\n", + "text": "Returns `true` if the specified value is `null` or `undefined`, `false` otherwise.\n\nUse the strict equality operator to check if the value of `val` is equal to `null` or `undefined`.\n\n", "codeBlocks": { "es6": "const isNil = val => val === undefined || val === null;", "es5": "var isNil = function isNil(val) {\n return val === undefined || val === null;\n};", @@ -4159,10 +4160,10 @@ ] }, "meta": { - "hash": "fd508fc1174e19116709b5979af67b3bcc48100b19e5a87e15b9545ba0a56d88", + "hash": "c09e927ebf399af3fa3bd3873b407f26130f86e6abb7871f88e1892baed899bf", "firstSeen": "1516114221", - "lastUpdated": "1565681352", - "updateCount": 3, + "lastUpdated": "1583442386", + "updateCount": 4, "authorCount": 2 } }, @@ -4172,7 +4173,7 @@ "type": "snippet", "attributes": { "fileName": "isNull.md", - "text": "Returns `true` if the specified value is `null`, `false` otherwise.\n\nUse the strict equality operator to check if the value and of `val` are equal to `null`.\n\n", + "text": "Returns `true` if the specified value is `null`, `false` otherwise.\n\nUse the strict equality operator to check if the value of `val` is equal to `null`.\n\n", "codeBlocks": { "es6": "const isNull = val => val === null;", "es5": "var isNull = function isNull(val) {\n return val === null;\n};", @@ -4184,10 +4185,10 @@ ] }, "meta": { - "hash": "ecce7adac512977eb9a1f6ea9644c1e1318ca8611512009fbd55ea38519aa1c3", + "hash": "4247f69d4cb570cccbe23e147336e5a610070be0fce5d3c5011f7b04a6f9ed3e", "firstSeen": "1514715979", - "lastUpdated": "1565681352", - "updateCount": 5, + "lastUpdated": "1583442386", + "updateCount": 6, "authorCount": 3 } }, @@ -4611,7 +4612,7 @@ "type": "snippet", "attributes": { "fileName": "isUndefined.md", - "text": "Returns `true` if the specified value is `undefined`, `false` otherwise.\n\nUse the strict equality operator to check if the value and of `val` are equal to `undefined`.\n\n", + "text": "Returns `true` if the specified value is `undefined`, `false` otherwise.\n\nUse the strict equality operator to check if `val` is equal to `undefined`.\n\n", "codeBlocks": { "es6": "const isUndefined = val => val === undefined;", "es5": "var isUndefined = function isUndefined(val) {\n return val === undefined;\n};", @@ -4623,10 +4624,10 @@ ] }, "meta": { - "hash": "6ebaa03264b6b2f637f8380b8796ebdc820a2031db72fcfd5d6d657af79b496c", + "hash": "c76d495087390da80a6a0d54f27220254b0cd547a79ac1357a4b04e43938794a", "firstSeen": "1516114221", - "lastUpdated": "1565681352", - "updateCount": 3, + "lastUpdated": "1583442386", + "updateCount": 4, "authorCount": 2 } }, @@ -4766,7 +4767,7 @@ "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\"" }, @@ -4776,10 +4777,10 @@ ] }, "meta": { - "hash": "3db3faac666ee61ab86c70766d2ab5d1293ffd818da87edb971bfff7a366364a", + "hash": "362fddaa6244404741e84bca6fc442a101fdb642af53b299e8b9994d0d7162d8", "firstSeen": "1514801920", - "lastUpdated": "1582054301", - "updateCount": 72, + "lastUpdated": "1582057110", + "updateCount": 73, "authorCount": 7 } }, @@ -5699,7 +5700,7 @@ "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'" }, @@ -5711,10 +5712,10 @@ ] }, "meta": { - "hash": "e8f820ce6da97eabde082ffb829c9fb700e85efc79bdebe883c67237269e3f52", + "hash": "b031c3387ef66411ab5d295788eac4247ada5b4b068dda90603d3c973890bc26", "firstSeen": "1570824965", - "lastUpdated": "1582054301", - "updateCount": 39, + "lastUpdated": "1582057110", + "updateCount": 40, "authorCount": 4 } }, @@ -6268,7 +6269,7 @@ "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": [ "function", @@ -6277,10 +6278,10 @@ ] }, "meta": { - "hash": "a2b9ac4f1209c3791caa6f40f0d041acd75514e9ee8909f2e3833635f357c0bd", + "hash": "0eb844801e767edcaa6a882a6dce4b5b1dadecb53a92d6ec259d36c57b6a3dd0", "firstSeen": "1517069864", - "lastUpdated": "1582054301", - "updateCount": 97, + "lastUpdated": "1582057110", + "updateCount": 98, "authorCount": 5 } }, @@ -6911,7 +6912,7 @@ "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]" }, @@ -6921,10 +6922,10 @@ ] }, "meta": { - "hash": "c1542907e6295eb81df918174c247a65d73c8daccc56769f2eb32d609b7846fc", + "hash": "069472d018c3102412dafc2ae8ec6e9396e53c01d0073079f2e3f1ac3c99b6e9", "firstSeen": "1513521691", - "lastUpdated": "1582054301", - "updateCount": 93, + "lastUpdated": "1582057110", + "updateCount": 94, "authorCount": 6 } }, @@ -7425,7 +7426,7 @@ "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" }, @@ -7437,10 +7438,10 @@ ] }, "meta": { - "hash": "6dd4c6a51d2c80fa4768c95ae01c16a8359c4140bcad28c7fde0cecd72d7d3e2", + "hash": "24b93b68a59b49f245590930fed6fb82e286ce09f90e292466cde63c1784c347", "firstSeen": "1514645161", - "lastUpdated": "1582054301", - "updateCount": 38, + "lastUpdated": "1582057110", + "updateCount": 39, "authorCount": 5 } }, @@ -8363,10 +8364,10 @@ ] }, "meta": { - "hash": "ebe1997777f4fb4c97cd5ae23a0cc590a0aab8f6762ae1d39c17f27bf2efe1c6", + "hash": "b893c5ab5d118c46dc7b673413adbeddd967093c36225eb31cf446c95de0ff39", "firstSeen": "1515424366", - "lastUpdated": "1565681352", - "updateCount": 3, + "lastUpdated": "1583442408", + "updateCount": 4, "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..16c08bebe 100644 --- a/snippets/dig.md +++ b/snippets/dig.md @@ -9,14 +9,13 @@ 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] : Object.values(obj).reduce((acc, val) => { - if (acc !== undefined) return acc; - if (typeof val === 'object') return dig(val, target); - }, undefined); + if (acc !== undefined) return acc; + if (typeof val === 'object') return dig(val, target); + }, undefined); ``` ```js diff --git a/snippets/factorial.md b/snippets/factorial.md index baa668b8f..0b1413c15 100644 --- a/snippets/factorial.md +++ b/snippets/factorial.md @@ -11,15 +11,14 @@ 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 ? (() => { - throw new TypeError('Negative numbers are not allowed!'); - })() + throw new TypeError('Negative numbers are not allowed!'); + })() : n <= 1 - ? 1 - : n * factorial(n - 1); + ? 1 + : n * factorial(n - 1); ``` ```js diff --git a/snippets/getMeridiemSuffixOfInteger.md b/snippets/getMeridiemSuffixOfInteger.md index 74ac86ec7..c460f5644 100644 --- a/snippets/getMeridiemSuffixOfInteger.md +++ b/snippets/getMeridiemSuffixOfInteger.md @@ -8,15 +8,14 @@ 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' : num === 12 - ? 12 + 'pm' - : num < 12 - ? (num % 12) + 'am' - : (num % 12) + 'pm'; + ? 12 + 'pm' + : num < 12 + ? (num % 12) + 'am' + : (num % 12) + 'pm'; ``` ```js diff --git a/snippets/join.md b/snippets/join.md index 6df3c9145..6bf258224 100644 --- a/snippets/join.md +++ b/snippets/join.md @@ -11,14 +11,15 @@ 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 e83fdddce..0b63cd94f 100644 --- a/snippets/objectToQueryString.md +++ b/snippets/objectToQueryString.md @@ -10,13 +10,14 @@ 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 3044ba7ea..921de2bd4 100644 --- a/snippets/pipeAsyncFunctions.md +++ b/snippets/pipeAsyncFunctions.md @@ -14,13 +14,14 @@ 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) })(); ``` diff --git a/snippets/remove.md b/snippets/remove.md index c9f127afb..1b3b066a1 100644 --- a/snippets/remove.md +++ b/snippets/remove.md @@ -9,13 +9,12 @@ 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 b940a8ea5..c658adcb7 100644 --- a/snippets/size.md +++ b/snippets/size.md @@ -12,14 +12,15 @@ 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/toSafeInteger.md b/snippets/toSafeInteger.md index 7588a2dbe..4bea0e4c1 100644 --- a/snippets/toSafeInteger.md +++ b/snippets/toSafeInteger.md @@ -10,9 +10,7 @@ Use `Math.round()` to convert to an integer. ```js const toSafeInteger = num => - Math.round( - Math.max(Math.min(num, Number.MAX_SAFE_INTEGER), Number.MIN_SAFE_INTEGER) - ); + Math.round(Math.max(Math.min(num, Number.MAX_SAFE_INTEGER), Number.MIN_SAFE_INTEGER)); ``` ```js