common/docs/array.md

array

Utility methods that operates on arrays

• arrayFilter Filters undefined and (optionally) null values from an array

arrayFilter

Filters undefined and (optionally) null values from an array

arrayFilter (array: Array<mixed>, allowNulls: boolean = true): Array<mixed>

Returns a new array with all undefined values removed. Optionally, when allowNulls = false, it removes the null values as well

import { arrayFilter } from '@polkadot/util';

arrayFilter([0, void 0, true, null, false, '']); // [0, true, null, false, '']
arrayFilter([0, void 0, true, null, false, ''], false); // [0, true, false, '']