diff --git a/snippet_data/archivedSnippetList.json b/snippet_data/archivedSnippetList.json index 9461d44ef..d60d3a9c1 100644 --- a/snippet_data/archivedSnippetList.json +++ b/snippet_data/archivedSnippetList.json @@ -286,6 +286,22 @@ "hash": "d1ec7968c8f8c48642a3f91878db84330231bdf84bf74633dc0754456e951338" } }, + { + "id": "objectToEntries", + "type": "snippetListing", + "title": "objectToEntries", + "attributes": { + "text": "Creates an array of key-value pair arrays from an object.\n\nUse `Object.keys()` and `Array.prototype.map()` to iterate over the object's keys and produce an array with key-value pairs.\n\n", + "tags": [ + "object", + "array", + "beginner" + ] + }, + "meta": { + "hash": "da5ab6a4f794f33d985d8a82794414b80913e63214a80d78c87bbda9638faa4f" + } + }, { "id": "pipeLog", "type": "snippetListing", diff --git a/snippet_data/archivedSnippets.json b/snippet_data/archivedSnippets.json index 73b2ea2da..d6af72c67 100644 --- a/snippet_data/archivedSnippets.json +++ b/snippet_data/archivedSnippets.json @@ -476,6 +476,32 @@ "authorCount": 2 } }, + { + "id": "objectToEntries", + "title": "objectToEntries", + "type": "snippet", + "attributes": { + "fileName": "objectToEntries.md", + "text": "Creates an array of key-value pair arrays from an object.\n\nUse `Object.keys()` and `Array.prototype.map()` to iterate over the object's keys and produce an array with key-value pairs.\n\n", + "codeBlocks": { + "es6": "const objectToEntries = obj => Object.keys(obj).map(k => [k, obj[k]]);", + "es5": "var objectToEntries = function objectToEntries(obj) {\n return Object.keys(obj).map(function (k) {\n return [k, obj[k]];\n });\n};", + "example": "objectToEntries({ a: 1, b: 2 }); // [ ['a', 1], ['b', 2] ]" + }, + "tags": [ + "object", + "array", + "beginner" + ] + }, + "meta": { + "hash": "da5ab6a4f794f33d985d8a82794414b80913e63214a80d78c87bbda9638faa4f", + "firstSeen": "1584968830", + "lastUpdated": "1584968830", + "updateCount": 2, + "authorCount": 2 + } + }, { "id": "pipeLog", "title": "pipeLog", diff --git a/snippet_data/snippetList.json b/snippet_data/snippetList.json index 076db11f6..c927b4856 100644 --- a/snippet_data/snippetList.json +++ b/snippet_data/snippetList.json @@ -832,7 +832,7 @@ ] }, "meta": { - "hash": "0a4684d6fc79bdbbac31df3af6c493ba7c881936ada5bc52824b4f26ca177459" + "hash": "77a01af8797ecbe71b9c9412d21c144c03a46a49dd3d0e7d869c3df38b39b2b4" } }, { @@ -895,7 +895,7 @@ ] }, "meta": { - "hash": "a4e1e33c0688dbf1ca231d9d8ea315ffed93b7f83f5d8cbf0714f10fdfeda8cf" + "hash": "6fa14364405f7b99aa49c2157bdc08c02b4ce2f288db29a4348a6983460933c7" } }, { @@ -1034,7 +1034,7 @@ ] }, "meta": { - "hash": "484bd222e636e8a8409c30ddb1fe6e3fe72ab7a43f2edf089b2758d5e9bee528" + "hash": "bdc202436bee09f06a353d31841c6cfff33e8efead34c6c56ae1a1413284976d" } }, { @@ -1270,7 +1270,7 @@ ] }, "meta": { - "hash": "0eac852db7a7add352b0d36677b22718b342ed9dc12f11780cac87e3b8260a05" + "hash": "6e9710c9117f500e74e65c0ee36b39fb80bd55537fa5ff9c4b1136b2667096f2" } }, { @@ -1674,7 +1674,7 @@ ] }, "meta": { - "hash": "16c3b724b653dcb31f3e59f1664a59951abb15a93eb3697cade4d3ae0e63c532" + "hash": "f9e6687cc28cd80e68f7a6776f893c7478aaa942710e0eb7144f105eba574a54" } }, { @@ -2906,7 +2906,7 @@ ] }, "meta": { - "hash": "3db3faac666ee61ab86c70766d2ab5d1293ffd818da87edb971bfff7a366364a" + "hash": "362fddaa6244404741e84bca6fc442a101fdb642af53b299e8b9994d0d7162d8" } }, { @@ -3456,7 +3456,7 @@ "type": "snippetListing", "title": "objectToPairs", "attributes": { - "text": "Creates an array of key-value pair arrays from an object.\n\nUse `Object.keys()` and `Array.prototype.map()` to iterate over the object's keys and produce an array with key-value pairs.\n\n", + "text": "Creates an array of key-value pair arrays from an object.\n\nUse `Object.entries()` to get an array of key-value pair arrays from the given object.\n\n", "tags": [ "object", "array", @@ -3464,7 +3464,7 @@ ] }, "meta": { - "hash": "ed97cd30b8004ca41939fabebf535f9017868b261ded4c2081c3367fa0ab1847" + "hash": "dac621c1f33fd6a1a404690d73ad5f7b0a89aae180e9e16aa3af9e0e6d64e411" } }, { @@ -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": "6dd4c6a51d2c80fa4768c95ae01c16a8359c4140bcad28c7fde0cecd72d7d3e2" + "hash": "24b93b68a59b49f245590930fed6fb82e286ce09f90e292466cde63c1784c347" } }, { @@ -5091,6 +5091,22 @@ "hash": "0ebd3351685fd96bf678c2baa38fabc9aa18bd6a3fa6674ea0bae9663424ea5f" } }, + { + "id": "toPairs", + "type": "snippetListing", + "title": "toPairs", + "attributes": { + "text": "Creates an array of key-value pair arrays from an object or other iterable (object, array, string, set etc.).\n\nCheck if `Symbol.iterator` is defined and, if so, use `Array.prototype.entries()` to get an iterator for the given iterable, `Array.from()` to convert the result to an array of key-value pair arrays.\nIf `Symbol.iterator` is not defined for `obj`, use `Object.entries()` instead.\n\n", + "tags": [ + "object", + "array", + "intermediate" + ] + }, + "meta": { + "hash": "3c8cbc59bcf4fb5f5c56d068596a8d059a1a487916beee4accb9a0ab29cd8bcb" + } + }, { "id": "toSafeInteger", "type": "snippetListing", diff --git a/snippet_data/snippets.json b/snippet_data/snippets.json index f7ec82bac..7cd62fe81 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": "77a01af8797ecbe71b9c9412d21c144c03a46a49dd3d0e7d869c3df38b39b2b4", "firstSeen": "1516733326", - "lastUpdated": "1584453953", - "updateCount": 74, + "lastUpdated": "1584454251", + "updateCount": 75, "authorCount": 9 } }, @@ -1412,8 +1412,8 @@ "meta": { "hash": "28f2ec9d8a34e4e57ab8ebb28ff23c62cae8b71cc3269946b760abdd57be9135", "firstSeen": "1535212456", - "lastUpdated": "1584454078", - "updateCount": 10, + "lastUpdated": "1584454251", + "updateCount": 11, "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": "1584453953", - "updateCount": 86, + "lastUpdated": "1584454251", + "updateCount": 87, "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) { \"@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 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": "484bd222e636e8a8409c30ddb1fe6e3fe72ab7a43f2edf089b2758d5e9bee528", + "hash": "bdc202436bee09f06a353d31841c6cfff33e8efead34c6c56ae1a1413284976d", "firstSeen": "1531080384", - "lastUpdated": "1584453953", - "updateCount": 111, + "lastUpdated": "1584454251", + "updateCount": 112, "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": "0eac852db7a7add352b0d36677b22718b342ed9dc12f11780cac87e3b8260a05", + "hash": "6e9710c9117f500e74e65c0ee36b39fb80bd55537fa5ff9c4b1136b2667096f2", "firstSeen": "1512650493", - "lastUpdated": "1584453953", - "updateCount": 116, + "lastUpdated": "1584454251", + "updateCount": 117, "authorCount": 6 } }, @@ -2740,10 +2740,10 @@ ] }, "meta": { - "hash": "16c3b724b653dcb31f3e59f1664a59951abb15a93eb3697cade4d3ae0e63c532", + "hash": "f9e6687cc28cd80e68f7a6776f893c7478aaa942710e0eb7144f105eba574a54", "firstSeen": "1515856488", - "lastUpdated": "1584453953", - "updateCount": 75, + "lastUpdated": "1584454251", + "updateCount": 76, "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": "1584453953", - "updateCount": 82, + "lastUpdated": "1584454251", + "updateCount": 83, "authorCount": 7 } }, @@ -5647,10 +5647,10 @@ "type": "snippet", "attributes": { "fileName": "objectToPairs.md", - "text": "Creates an array of key-value pair arrays from an object.\n\nUse `Object.keys()` and `Array.prototype.map()` to iterate over the object's keys and produce an array with key-value pairs.\n\n", + "text": "Creates an array of key-value pair arrays from an object.\n\nUse `Object.entries()` to get an array of key-value pair arrays from the given object.\n\n", "codeBlocks": { - "es6": "const objectToPairs = obj => Object.keys(obj).map(k => [k, obj[k]]);", - "es5": "var objectToPairs = function objectToPairs(obj) {\n return Object.keys(obj).map(function (k) {\n return [k, obj[k]];\n });\n};", + "es6": "const objectToPairs = obj => Object.entries(obj);", + "es5": "var objectToPairs = function objectToPairs(obj) {\n return Object.entries(obj);\n};", "example": "objectToPairs({ a: 1, b: 2 }); // [ ['a', 1], ['b', 2] ]" }, "tags": [ @@ -5660,10 +5660,10 @@ ] }, "meta": { - "hash": "ed97cd30b8004ca41939fabebf535f9017868b261ded4c2081c3367fa0ab1847", + "hash": "dac621c1f33fd6a1a404690d73ad5f7b0a89aae180e9e16aa3af9e0e6d64e411", "firstSeen": "1513526151", - "lastUpdated": "1565681352", - "updateCount": 9, + "lastUpdated": "1584968807", + "updateCount": 10, "authorCount": 5 } }, @@ -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": "1584453953", - "updateCount": 49, + "lastUpdated": "1584454251", + "updateCount": 50, "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": "1584453953", - "updateCount": 107, + "lastUpdated": "1584454251", + "updateCount": 108, "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": "1584453953", - "updateCount": 104, + "lastUpdated": "1584454251", + "updateCount": 105, "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" }, @@ -7413,7 +7413,7 @@ ] }, "meta": { - "hash": "6dd4c6a51d2c80fa4768c95ae01c16a8359c4140bcad28c7fde0cecd72d7d3e2", + "hash": "24b93b68a59b49f245590930fed6fb82e286ce09f90e292466cde63c1784c347", "firstSeen": "1514645161", "lastUpdated": "1584453953", "updateCount": 47, @@ -8321,6 +8321,32 @@ "authorCount": 4 } }, + { + "id": "toPairs", + "title": "toPairs", + "type": "snippet", + "attributes": { + "fileName": "toPairs.md", + "text": "Creates an array of key-value pair arrays from an object or other iterable (object, array, string, set etc.).\n\nCheck if `Symbol.iterator` is defined and, if so, use `Array.prototype.entries()` to get an iterator for the given iterable, `Array.from()` to convert the result to an array of key-value pair arrays.\nIf `Symbol.iterator` is not defined for `obj`, use `Object.entries()` instead.\n\n", + "codeBlocks": { + "es6": "const toPairs = obj =>\n obj[Symbol.iterator] instanceof Function && obj.entries instanceof Function\n ? Array.from(obj.entries())\n : Object.entries(obj);", + "es5": "var toPairs = function toPairs(obj) {\n return obj[Symbol.iterator] instanceof Function && obj.entries instanceof Function ? Array.from(obj.entries()) : Object.entries(obj);\n};", + "example": "toPairs({ a: 1, b: 2 }); // [ ['a', 1], ['b', 2] ]\ntoPairs([2, 4, 8]); // [ [0, 2], [1, 4], [2, 8] ]\ntoPairs('shy'); // [ ['0', 's'], ['1', 'h'], ['2', 'y'] ]\ntoPairs(new Set(['a', 'b', 'c', 'a'])); // [ ['a', 'a'], ['b', 'b'], ['c', 'c'] ]" + }, + "tags": [ + "object", + "array", + "intermediate" + ] + }, + "meta": { + "hash": "3c8cbc59bcf4fb5f5c56d068596a8d059a1a487916beee4accb9a0ab29cd8bcb", + "firstSeen": "1584968843", + "lastUpdated": "1584968843", + "updateCount": 2, + "authorCount": 2 + } + }, { "id": "toSafeInteger", "title": "toSafeInteger", diff --git a/snippets/deepClone.md b/snippets/deepClone.md index a0da1f0a5..583169aa7 100644 --- a/snippets/deepClone.md +++ b/snippets/deepClone.md @@ -20,8 +20,8 @@ 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/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 16c08bebe..4484cdd6f 100644 --- a/snippets/dig.md +++ b/snippets/dig.md @@ -13,9 +13,9 @@ 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 0b1413c15..461dbd4f1 100644 --- a/snippets/factorial.md +++ b/snippets/factorial.md @@ -14,11 +14,11 @@ Throws an exception if `n` is a negative number. 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..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 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 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