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30secondsofcode
2018-02-14 10:14:34 +00:00
parent de77807dc9
commit d351fc3fe6
4 changed files with 60 additions and 12 deletions
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7
snippets/bifurcate.md
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@ -6,12 +6,9 @@ Use `Array.reduce()` and `Array.push()` to add elements to groups, based on `fil
```js
const bifurcate = (arr, filter) =>
arr.reduce((acc, val, i) => (acc[filter[i] ? 0 : 1].push(val), acc), [
[],
[],
]);
arr.reduce((acc, val, i) => (acc[filter[i] ? 0 : 1].push(val), acc), [[], []]);
```
```js
bifurcate([ 'beep', 'boop', 'foo', 'bar' ], [ true, true, false, true ]); // [ ['beep', 'boop', 'bar'], ['foo'] ]
bifurcate(['beep', 'boop', 'foo', 'bar'], [true, true, false, true]); // [ ['beep', 'boop', 'bar'], ['foo'] ]
```

7
snippets/bifurcateBy.md
View File

@ -6,12 +6,9 @@ Use `Array.reduce()` and `Array.push()` to add elements to groups, based on the
```js
const bifurcateBy = (arr, fn) =>
arr.reduce((acc, val, i) => (acc[fn(val, i) ? 0 : 1].push(val), acc), [
[],
[],
]);
arr.reduce((acc, val, i) => (acc[fn(val, i) ? 0 : 1].push(val), acc), [[], []]);
```
```js
bifurcateBy([ 'beep', 'boop', 'foo', 'bar' ], x => x[0] === 'b'); // [ ['beep', 'boop', 'bar'], ['foo'] ]
bifurcateBy(['beep', 'boop', 'foo', 'bar'], x => x[0] === 'b'); // [ ['beep', 'boop', 'bar'], ['foo'] ]
```