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51 lines
1.1 KiB
51 lines
1.1 KiB
3 weeks ago
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/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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/** @typedef {import("./Resolver").ResolveRequest} ResolveRequest */
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/**
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* @template T
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* @template Z
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* @callback Iterator
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* @param {T} item item
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* @param {(err?: null|Error, result?: null|Z) => void} callback callback
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* @param {number} i index
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* @returns {void}
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*/
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/**
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* @template T
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* @template Z
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* @param {T[]} array array
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* @param {Iterator<T, Z>} iterator iterator
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* @param {(err?: null|Error, result?: null|Z, i?: number) => void} callback callback after all items are iterated
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* @returns {void}
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*/
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module.exports = function forEachBail(array, iterator, callback) {
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if (array.length === 0) return callback();
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let i = 0;
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const next = () => {
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/** @type {boolean|undefined} */
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let loop = undefined;
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iterator(
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array[i++],
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(err, result) => {
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if (err || result !== undefined || i >= array.length) {
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return callback(err, result, i);
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}
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if (loop === false) while (next());
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loop = true;
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},
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i
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);
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if (!loop) loop = false;
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return loop;
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};
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while (next());
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};
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