Jaco Greeff
b5c5734c7c
* Initial split of util & util-crypto * Add initial XXHash version * Blake2s wit tests & documentation * Add sha512 (from NaCl) * Add randomBytes (from NaCl) * Flow fixes * Update documentation * Update latest @polkadot/dev
23 lines
659 B
Markdown
23 lines
659 B
Markdown
# array
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Utility methods that operates on arrays
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- [arrayFilter](#arrayfilter) Filters undefined and (optionally) null values from an array
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## arrayFilter
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Filters undefined and (optionally) null values from an array
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```js
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arrayFilter (array: Array<mixed>, allowNulls: boolean = true): Array<mixed>
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```
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Returns a new array with all `undefined` values removed. Optionally, when `allowNulls = false`, it removes the `null` values as well
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```js
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import { arrayFilter } from '@polkadot/util';
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arrayFilter([0, void 0, true, null, false, '']); // [0, true, null, false, '']
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arrayFilter([0, void 0, true, null, false, ''], false); // [0, true, false, '']
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``` |