@docusaurus/utils/lib/jsUtils.js

Node utility functions for Docusaurus packages.

"use strict";
/**
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.mapAsyncSequential = mapAsyncSequential;
exports.findAsyncSequential = findAsyncSequential;
/**
 * `Array#map` for async operations where order matters.
 * @param array The array to traverse.
 * @param action An async action to be performed on every array item. Will be
 * awaited before working on the next.
 * @returns The list of results returned from every `action(item)`
 */
async function mapAsyncSequential(array, action) {
    const results = [];
    for (const t of array) {
        const result = await action(t);
        results.push(result);
    }
    return results;
}
/**
 * `Array#find` for async operations where order matters.
 * @param array The array to traverse.
 * @param predicate An async predicate to be called on every array item. Should
 * return a boolean indicating whether the currently element should be returned.
 * @returns The function immediately returns the first item on which `predicate`
 * returns `true`, or `undefined` if none matches the predicate.
 */
async function findAsyncSequential(array, predicate) {
    for (const t of array) {
        if (await predicate(t)) {
            return t;
        }
    }
    return undefined;
}
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