diff --git a/snippet_data/snippetList.json b/snippet_data/snippetList.json index 70e2858cf..a16d907a8 100644 --- a/snippet_data/snippetList.json +++ b/snippet_data/snippetList.json @@ -832,7 +832,7 @@ ] }, "meta": { - "hash": "0a4684d6fc79bdbbac31df3af6c493ba7c881936ada5bc52824b4f26ca177459" + "hash": "5ab25ab96afd4f1f481fc318b5b290ba8c57a468ef6bca0ca200cfb7fcf3ba9f" } }, { @@ -856,7 +856,7 @@ "type": "snippetListing", "title": "deepFreeze", "attributes": { - "text": "Deep freezes an object.\n\nCalls `Object.freeze(obj)` recursively on all unfrozen properties of passed object that are `instanceof` object.\n\n", + "text": "Deep freezes an object.\n\nUse `Object.keys()` to get all the properties of the passed object, `Array.prototype.forEach()` to iterate over them.\nCall `Object.freeze(obj)` recursively on all properties, checking if each one is frozen using `Object.isFrozen()` and applying `deepFreeze()` as necessary.\nFinally, use `Object.freeze()` to freeze the given object.\n\n", "tags": [ "object", "recursion", @@ -864,7 +864,7 @@ ] }, "meta": { - "hash": "a96d773dc1d2d54b91ccabf3eb4acaf0964d080fc75dcbf74fc032fd40702e9e" + "hash": "2efa5522cb391da3fd62d787bf5853d91d180cda5b141063c370a3b0c8fe1110" } }, { @@ -895,7 +895,7 @@ ] }, "meta": { - "hash": "a4e1e33c0688dbf1ca231d9d8ea315ffed93b7f83f5d8cbf0714f10fdfeda8cf" + "hash": "6fa14364405f7b99aa49c2157bdc08c02b4ce2f288db29a4348a6983460933c7" } }, { @@ -1034,7 +1034,7 @@ ] }, "meta": { - "hash": "5f38360819f9225b887a94221bfee1a80f1bcc224a364440b3388f60491b03ba" + "hash": "bdc202436bee09f06a353d31841c6cfff33e8efead34c6c56ae1a1413284976d" } }, { @@ -1270,7 +1270,7 @@ ] }, "meta": { - "hash": "55b1ce0a892110d792a9487e40331774015525479faa2b8961f6c2ea6291c27b" + "hash": "6e9710c9117f500e74e65c0ee36b39fb80bd55537fa5ff9c4b1136b2667096f2" } }, { @@ -1674,7 +1674,7 @@ ] }, "meta": { - "hash": "16c3b724b653dcb31f3e59f1664a59951abb15a93eb3697cade4d3ae0e63c532" + "hash": "9e39c6a3a8ec5b51c5e16f69107fc9e90b2697b2cf2689850872071bb968723e" } }, { @@ -2906,7 +2906,7 @@ ] }, "meta": { - "hash": "3db3faac666ee61ab86c70766d2ab5d1293ffd818da87edb971bfff7a366364a" + "hash": "362fddaa6244404741e84bca6fc442a101fdb642af53b299e8b9994d0d7162d8" } }, { @@ -3481,7 +3481,7 @@ ] }, "meta": { - "hash": "e8f820ce6da97eabde082ffb829c9fb700e85efc79bdebe883c67237269e3f52" + "hash": "b031c3387ef66411ab5d295788eac4247ada5b4b068dda90603d3c973890bc26" } }, { @@ -3827,7 +3827,7 @@ ] }, "meta": { - "hash": "a2b9ac4f1209c3791caa6f40f0d041acd75514e9ee8909f2e3833635f357c0bd" + "hash": "0eb844801e767edcaa6a882a6dce4b5b1dadecb53a92d6ec259d36c57b6a3dd0" } }, { @@ -4221,7 +4221,7 @@ ] }, "meta": { - "hash": "be8ec39c092128ba679a3f0421b6abc34ad891dec85354caa419dc4104687a05" + "hash": "ffb9c0d1d09aeb989789286efb91cc237b89ce13f44ad9510a014f9ab150df71" } }, { @@ -4537,7 +4537,7 @@ ] }, "meta": { - "hash": "24b93b68a59b49f245590930fed6fb82e286ce09f90e292466cde63c1784c347" + "hash": "6dd4c6a51d2c80fa4768c95ae01c16a8359c4140bcad28c7fde0cecd72d7d3e2" } }, { diff --git a/snippet_data/snippets.json b/snippet_data/snippets.json index b22de7fb4..bdb51420c 100644 --- a/snippet_data/snippets.json +++ b/snippet_data/snippets.json @@ -1347,7 +1347,7 @@ "fileName": "deepClone.md", "text": "Creates a deep clone of an object.\n\nUse recursion.\nCheck if the passed object is `null` and, if so, return `null`.\nUse `Object.assign()` and an empty object (`{}`) to create a shallow clone of the original.\nUse `Object.keys()` and `Array.prototype.forEach()` to determine which key-value pairs need to be deep cloned.\n\n", "codeBlocks": { - "es6": "const deepClone = obj => {\n if (obj === null) return null;\n let clone = Object.assign({}, obj);\n Object.keys(clone).forEach(\n key => (clone[key] = typeof obj[key] === 'object' ? deepClone(obj[key]) : obj[key])\n );\n return Array.isArray(obj) && obj.length\n ? (clone.length = obj.length) && Array.from(clone)\n : Array.isArray(obj)\n ? Array.from(obj)\n : clone;\n};", + "es6": "const deepClone = obj => {\n if (obj === null) return null;\n let clone = Object.assign({}, obj);\n Object.keys(clone).forEach(\n key => (clone[key] = typeof obj[key] === 'object' ? deepClone(obj[key]) : obj[key])\n );\n return Array.isArray(obj) && obj.length\n ? (clone.length = obj.length) && Array.from(clone)\n : Array.isArray(obj)\n ? Array.from(obj)\n : clone;\n};", "es5": "function _typeof(obj) { \"@babel/helpers - typeof\"; 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 deepClone = function deepClone(obj) {\n if (obj === null) return null;\n var clone = Object.assign({}, obj);\n Object.keys(clone).forEach(function (key) {\n return clone[key] = _typeof(obj[key]) === 'object' ? deepClone(obj[key]) : obj[key];\n });\n return Array.isArray(obj) && obj.length ? (clone.length = obj.length) && Array.from(clone) : Array.isArray(obj) ? Array.from(obj) : clone;\n};", "example": "const a = { foo: 'bar', obj: { a: 1, b: 2 } };\nconst b = deepClone(a); // a !== b, a.obj !== b.obj" }, @@ -1358,10 +1358,10 @@ ] }, "meta": { - "hash": "0a4684d6fc79bdbbac31df3af6c493ba7c881936ada5bc52824b4f26ca177459", + "hash": "5ab25ab96afd4f1f481fc318b5b290ba8c57a468ef6bca0ca200cfb7fcf3ba9f", "firstSeen": "1516733326", - "lastUpdated": "1584345921", - "updateCount": 72, + "lastUpdated": "1584378886", + "updateCount": 73, "authorCount": 9 } }, @@ -1397,10 +1397,10 @@ "type": "snippet", "attributes": { "fileName": "deepFreeze.md", - "text": "Deep freezes an object.\n\nCalls `Object.freeze(obj)` recursively on all unfrozen properties of passed object that are `instanceof` object.\n\n", + "text": "Deep freezes an object.\n\nUse `Object.keys()` to get all the properties of the passed object, `Array.prototype.forEach()` to iterate over them.\nCall `Object.freeze(obj)` recursively on all properties, checking if each one is frozen using `Object.isFrozen()` and applying `deepFreeze()` as necessary.\nFinally, use `Object.freeze()` to freeze the given object.\n\n", "codeBlocks": { - "es6": "const deepFreeze = obj =>\n Object.keys(obj).forEach(prop =>\n !(obj[prop] instanceof Object) || Object.isFrozen(obj[prop]) ? null : deepFreeze(obj[prop])\n ) || Object.freeze(obj);", - "es5": "var deepFreeze = function deepFreeze(obj) {\n return Object.keys(obj).forEach(function (prop) {\n return !(obj[prop] instanceof Object) || Object.isFrozen(obj[prop]) ? null : deepFreeze(obj[prop]);\n }) || Object.freeze(obj);\n};", + "es6": "const deepFreeze = obj => {\n Object.keys(obj).forEach(\n prop =>\n (obj[prop] =\n typeof obj[prop] === 'object' && !Object.isFrozen(obj[prop])\n ? deepFreeze(obj[prop])\n : obj[prop])\n );\n return Object.freeze(obj);\n};", + "es5": "function _typeof(obj) { \"@babel/helpers - typeof\"; 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 deepFreeze = function deepFreeze(obj) {\n Object.keys(obj).forEach(function (prop) {\n return obj[prop] = _typeof(obj[prop]) === 'object' && !Object.isFrozen(obj[prop]) ? deepFreeze(obj[prop]) : obj[prop];\n });\n return Object.freeze(obj);\n};", "example": "'use strict';\n\nconst o = deepFreeze([1, [2, 3]]);\n\no[0] = 3; // not allowed\no[1][0] = 4; // not allowed as well" }, "tags": [ @@ -1410,10 +1410,10 @@ ] }, "meta": { - "hash": "a96d773dc1d2d54b91ccabf3eb4acaf0964d080fc75dcbf74fc032fd40702e9e", + "hash": "2efa5522cb391da3fd62d787bf5853d91d180cda5b141063c370a3b0c8fe1110", "firstSeen": "1535212456", - "lastUpdated": "1566202717", - "updateCount": 7, + "lastUpdated": "1584453761", + "updateCount": 8, "authorCount": 4 } }, @@ -1450,7 +1450,7 @@ "fileName": "deepMapKeys.md", "text": "Deep maps an object's keys.\n\nCreates an object with the same values as the provided object and keys generated by running the provided function for each key.\nUse `Object.keys(obj)` to iterate over the object's keys. \nUse `Array.prototype.reduce()` to create a new object with the same values and mapped keys using `fn`.\n\n", "codeBlocks": { - "es6": "const deepMapKeys = (obj, f) =>\n Array.isArray(obj)\n ? obj.map(val => deepMapKeys(val, f))\n : typeof obj === 'object'\n ? Object.keys(obj).reduce((acc, current) => {\n const val = obj[current];\n acc[f(current)] =\n val !== null && typeof val === 'object' ? deepMapKeys(val, f) : (acc[f(current)] = val);\n return acc;\n }, {})\n : obj;", + "es6": "const deepMapKeys = (obj, f) =>\n Array.isArray(obj)\n ? obj.map(val => deepMapKeys(val, f))\n : typeof obj === 'object'\n ? Object.keys(obj).reduce((acc, current) => {\n const val = obj[current];\n acc[f(current)] =\n val !== null && typeof val === 'object' ? deepMapKeys(val, f) : (acc[f(current)] = val);\n return acc;\n }, {})\n : obj;", "es5": "function _typeof(obj) { \"@babel/helpers - typeof\"; 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 deepMapKeys = function deepMapKeys(obj, f) {\n return Array.isArray(obj) ? obj.map(function (val) {\n return deepMapKeys(val, f);\n }) : _typeof(obj) === 'object' ? Object.keys(obj).reduce(function (acc, current) {\n var val = obj[current];\n acc[f(current)] = val !== null && _typeof(val) === 'object' ? deepMapKeys(val, f) : acc[f(current)] = val;\n return acc;\n }, {}) : obj;\n};", "example": "const obj = {\n foo: '1',\n nested: {\n child: {\n withArray: [\n {\n grandChild: ['hello']\n }\n ]\n }\n }\n};\nconst upperKeysObj = deepMapKeys(obj, key => key.toUpperCase());\n/*\n{\n \"FOO\":\"1\",\n \"NESTED\":{\n \"CHILD\":{\n \"WITHARRAY\":[\n {\n \"GRANDCHILD\":[ 'hello' ]\n }\n ]\n }\n }\n}\n*/" }, @@ -1461,10 +1461,10 @@ ] }, "meta": { - "hash": "a4e1e33c0688dbf1ca231d9d8ea315ffed93b7f83f5d8cbf0714f10fdfeda8cf", + "hash": "6fa14364405f7b99aa49c2157bdc08c02b4ce2f288db29a4348a6983460933c7", "firstSeen": "1544374334", - "lastUpdated": "1584345921", - "updateCount": 84, + "lastUpdated": "1584378886", + "updateCount": 85, "authorCount": 4 } }, @@ -1690,10 +1690,10 @@ ] }, "meta": { - "hash": "5f38360819f9225b887a94221bfee1a80f1bcc224a364440b3388f60491b03ba", + "hash": "bdc202436bee09f06a353d31841c6cfff33e8efead34c6c56ae1a1413284976d", "firstSeen": "1531080384", - "lastUpdated": "1584345921", - "updateCount": 109, + "lastUpdated": "1584378886", + "updateCount": 110, "authorCount": 5 } }, @@ -2076,10 +2076,10 @@ ] }, "meta": { - "hash": "55b1ce0a892110d792a9487e40331774015525479faa2b8961f6c2ea6291c27b", + "hash": "6e9710c9117f500e74e65c0ee36b39fb80bd55537fa5ff9c4b1136b2667096f2", "firstSeen": "1512650493", - "lastUpdated": "1584345921", - "updateCount": 114, + "lastUpdated": "1584378886", + "updateCount": 115, "authorCount": 6 } }, @@ -2730,7 +2730,7 @@ "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\"" }, @@ -2740,10 +2740,10 @@ ] }, "meta": { - "hash": "16c3b724b653dcb31f3e59f1664a59951abb15a93eb3697cade4d3ae0e63c532", + "hash": "9e39c6a3a8ec5b51c5e16f69107fc9e90b2697b2cf2689850872071bb968723e", "firstSeen": "1515856488", - "lastUpdated": "1584345921", - "updateCount": 73, + "lastUpdated": "1584378886", + "updateCount": 74, "authorCount": 4 } }, @@ -4742,7 +4742,7 @@ "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\"" }, @@ -4752,10 +4752,10 @@ ] }, "meta": { - "hash": "3db3faac666ee61ab86c70766d2ab5d1293ffd818da87edb971bfff7a366364a", + "hash": "362fddaa6244404741e84bca6fc442a101fdb642af53b299e8b9994d0d7162d8", "firstSeen": "1514801920", - "lastUpdated": "1584345921", - "updateCount": 80, + "lastUpdated": "1584378886", + "updateCount": 81, "authorCount": 7 } }, @@ -5675,7 +5675,7 @@ "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'" }, @@ -5687,10 +5687,10 @@ ] }, "meta": { - "hash": "e8f820ce6da97eabde082ffb829c9fb700e85efc79bdebe883c67237269e3f52", + "hash": "b031c3387ef66411ab5d295788eac4247ada5b4b068dda90603d3c973890bc26", "firstSeen": "1570824965", - "lastUpdated": "1584345921", - "updateCount": 47, + "lastUpdated": "1584378886", + "updateCount": 48, "authorCount": 4 } }, @@ -6244,7 +6244,7 @@ "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", @@ -6253,10 +6253,10 @@ ] }, "meta": { - "hash": "a2b9ac4f1209c3791caa6f40f0d041acd75514e9ee8909f2e3833635f357c0bd", + "hash": "0eb844801e767edcaa6a882a6dce4b5b1dadecb53a92d6ec259d36c57b6a3dd0", "firstSeen": "1517069864", - "lastUpdated": "1584345921", - "updateCount": 105, + "lastUpdated": "1584378886", + "updateCount": 106, "authorCount": 5 } }, @@ -6887,7 +6887,7 @@ "fileName": "remove.md", "text": "Mutates an array by removing elements 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]" }, @@ -6897,10 +6897,10 @@ ] }, "meta": { - "hash": "be8ec39c092128ba679a3f0421b6abc34ad891dec85354caa419dc4104687a05", + "hash": "ffb9c0d1d09aeb989789286efb91cc237b89ce13f44ad9510a014f9ab150df71", "firstSeen": "1513521691", - "lastUpdated": "1584378700", - "updateCount": 102, + "lastUpdated": "1584378886", + "updateCount": 103, "authorCount": 6 } }, @@ -7401,7 +7401,7 @@ "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) { \"@babel/helpers - typeof\"; 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" }, @@ -7413,10 +7413,10 @@ ] }, "meta": { - "hash": "24b93b68a59b49f245590930fed6fb82e286ce09f90e292466cde63c1784c347", + "hash": "6dd4c6a51d2c80fa4768c95ae01c16a8359c4140bcad28c7fde0cecd72d7d3e2", "firstSeen": "1514645161", - "lastUpdated": "1584178508", - "updateCount": 45, + "lastUpdated": "1584378886", + "updateCount": 46, "authorCount": 5 } }, diff --git a/snippets/deepClone.md b/snippets/deepClone.md index a0da1f0a5..5eefd68bd 100644 --- a/snippets/deepClone.md +++ b/snippets/deepClone.md @@ -11,6 +11,7 @@ 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); @@ -20,8 +21,8 @@ const deepClone = obj => { return Array.isArray(obj) && obj.length ? (clone.length = obj.length) && Array.from(clone) : Array.isArray(obj) - ? Array.from(obj) - : clone; + ? Array.from(obj) + : clone; }; ``` diff --git a/snippets/deepFreeze.md b/snippets/deepFreeze.md index d9d342109..55d655026 100644 --- a/snippets/deepFreeze.md +++ b/snippets/deepFreeze.md @@ -11,11 +11,15 @@ Finally, use `Object.freeze()` to freeze the given object. ```js const deepFreeze = obj => { - Object.keys(obj).forEach(prop => - obj[prop] = typeof obj[prop] === 'object' && !Object.isFrozen(obj[prop]) ? deepFreeze(obj[prop]) : obj[prop] + Object.keys(obj).forEach( + prop => + (obj[prop] = + typeof obj[prop] === 'object' && !Object.isFrozen(obj[prop]) + ? deepFreeze(obj[prop]) + : obj[prop]) ); return Object.freeze(obj); -} +}; ``` ```js diff --git a/snippets/deepMapKeys.md b/snippets/deepMapKeys.md index e07084847..e9561091d 100644 --- a/snippets/deepMapKeys.md +++ b/snippets/deepMapKeys.md @@ -14,13 +14,13 @@ const deepMapKeys = (obj, f) => Array.isArray(obj) ? obj.map(val => deepMapKeys(val, f)) : typeof obj === 'object' - ? Object.keys(obj).reduce((acc, current) => { + ? Object.keys(obj).reduce((acc, current) => { const val = obj[current]; acc[f(current)] = val !== null && typeof val === 'object' ? deepMapKeys(val, f) : (acc[f(current)] = val); return acc; }, {}) - : obj; + : obj; ``` ```js 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..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 1f6491ce4..1c08d075e 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 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