Press n or j to go to the next uncovered block, b, p or k for the previous block.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 | 1x 1x 1x 1x 3x 6x 2x 2x 6x 16x 8x 8x 16x 1x 1x 3x 1x 1x | import { purry } from './purry';
import { _reduceLazy, LazyResult } from './_reduceLazy';
import { _toLazyIndexed } from './_toLazyIndexed';
import { Pred, PredIndexedOptional, PredIndexed } from './_types';
/**
* Iterate an array using a defined callback function. The original array is returned instead of `void`.
* @param array The array.
* @param fn The callback function.
* @returns The original array
* @signature
* R.forEach(array, fn)
* R.forEach.indexed(array, fn)
* @example
* R.forEach([1, 2, 3], x => {
* console.log(x)
* }) // => [1, 2, 3]
* R.forEach.indexed([1, 2, 3], (x, i) => {
* console.log(x, i)
* }) // => [1, 2, 3]
* @data_first
* @indexed
* @pipeable
* @category Array
*/
export function forEach<T>(array: T[], fn: Pred<T, void>): T[];
/**
* Iterate an array using a defined callback function. The original array is returned instead of `void`.
* @param fn the function mapper
* @signature
* R.forEach(fn)(array)
* R.forEach.indexed(fn)(array)
* @example
* R.pipe(
* [1, 2, 3],
* R.forEach(x => {
* console.log(x)
* })
* ) // => [1, 2, 3]
* R.pipe(
* [1, 2, 3],
* R.forEach.indexed((x, i) => {
* console.log(x, i)
* })
* ) // => [1, 2, 3]
* @data_last
* @indexed
* @pipeable
* @category Array
*/
export function forEach<T>(fn: Pred<T, void>): (array: T[]) => T[];
export function forEach() {
return purry(_forEach(false), arguments, forEach.lazy);
}
const _forEach = (indexed: boolean) => <T, K>(
array: T[],
fn: PredIndexedOptional<T, K>
) => {
return _reduceLazy(
array,
indexed ? forEach.lazyIndexed(fn) : forEach.lazy(fn),
indexed
);
};
const _lazy = (indexed: boolean) => <T>(fn: PredIndexedOptional<T, void>) => {
return (value: T, index?: number, array?: T[]): LazyResult<T> => {
if (indexed) {
fn(value, index, array);
} else {
fn(value);
}
return {
done: false,
hasNext: true,
next: value,
};
};
};
export namespace forEach {
export function indexed<T>(array: T[], fn: PredIndexed<T, void>): T[];
export function indexed<T>(fn: PredIndexed<T, void>): (array: T[]) => T[];
export function indexed() {
return purry(_forEach(true), arguments, forEach.lazyIndexed);
}
export const lazy = _lazy(false);
export const lazyIndexed = _toLazyIndexed(_lazy(true));
}
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