andre/30-seconds-of-code
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Travis build: 957 [cron]

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30secondsofcode
2019-01-14 14:50:19 +00:00
parent 8786e79777
commit 681910d4dc
5 changed files with 40 additions and 40 deletions
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18
vscode_snippets/snippets.json
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@ -614,9 +614,9 @@
" 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);"
],
"description": "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"
},
@ -778,8 +778,8 @@
"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);"
@ -1133,7 +1133,7 @@
" )",
" );"
],
"description": "Creates a hash for a value using the [SHA-256](https://en.wikipedia.org/wiki/SHA-2) algorithm. Returns a promise.\n\nUse `crypto` API to create a hash for the given value"
"description": "Creates a hash for a value using the [SHA-256](https://en.wikipedia.org/wiki/SHA-2) algorithm. Returns a promise.\n\nUse `crypto` API to create a hash for the given value, `setTimeout` to prevent blocking on a long operation, and a `Promise` to give it a familiar interface"
},
"head": {
"prefix": "30s_head",
@ -2482,9 +2482,9 @@
"const remove = (arr, func) =>",
" Array.isArray(arr)",
" ? arr.filter(func).reduce((acc, val) => {",
" arr.splice(arr.indexOf(val), 1);",
" return acc.concat(val);",
" }, [])",
" arr.splice(arr.indexOf(val), 1);",
" return acc.concat(val);",
" }, [])",
" : [];"
],
"description": "Removes elements from an array for which the given function returns `false`.\n\nUse `Array.prototype.filter()` to find array elements that return truthy values and `Array.prototype.reduce()` to remove elements using `Array.prototype.splice()`.\nThe `func` is invoked with three arguments (`value, index, array`)"