Travis build: 1070 [cron]
This commit is contained in:
30secondsofcode
@ -373,6 +373,22 @@
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"id": "checkProp",
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"tags": [
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@ -3391,7 +3407,7 @@
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@ -3763,7 +3779,7 @@
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@ -5321,7 +5337,7 @@
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@ -548,6 +548,29 @@
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{
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"id": "checkProp",
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"type": "snippet",
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"attributes": {
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"fileName": "checkProp.md",
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"text": "Given a `predicate` function and a `prop` string, this curried function will then take an `object` to inspect by calling the property and passing it to the predicate.\n\nSummon `prop` on `obj`, pass it to a provided `predicate` function and return a masked boolean.",
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"codeBlocks": {
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"es6": "const checkProp = (predicate, prop) => obj => !!predicate(obj[prop]);",
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"es5": "var checkProp = function checkProp(predicate, prop) {\n return function (obj) {\n return !!predicate(obj[prop]);\n };\n};",
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"example": "const lengthIs4 = checkProp(l => l === 4, 'length');\nlengthIs4([]); // false\nlengthIs4([1,2,3,4]); // true\nlengthIs4(new Set([1,2,3,4])); // false (Set uses Size, not length)\n\nconst session = { user: {} };\nconst validUserSession = checkProps(u => u.active && !u.disabled, 'user');\n\nvalidUserSession(session); // false\n\nsession.user.active = true;\nvalidUserSession(session); // true\n\nconst noLength(l => l === undefined, 'length');\nnoLength([]); // false\nnoLength({}); // true\nnoLength(new Set()); // true"
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},
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"tags": [
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"function",
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"object",
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"utility",
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"beginner"
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]
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"type": "snippet",
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@ -4983,7 +5006,7 @@
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"codeBlocks": {
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"es6": "const pipeAsyncFunctions = (...fns) => arg => fns.reduce((p, f) => p.then(f), Promise.resolve(arg));",
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"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};",
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"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})();"
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"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})();"
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},
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"tags": [
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"adapter",
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@ -4994,7 +5017,7 @@
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},
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"meta": {
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{
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@ -5530,7 +5553,7 @@
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"fileName": "remove.md",
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"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`).",
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"codeBlocks": {
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"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 : [];",
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"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 : [];",
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"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};",
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"example": "remove([1, 2, 3, 4], n => n % 2 === 0); // [2, 4]"
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},
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@ -5541,7 +5564,7 @@
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},
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"meta": {
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"archived": false,
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}
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},
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{
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@ -7876,7 +7899,7 @@
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},
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