devextreme/esm/__internal/scheduler/utils/macro_task_array/methods.js

HTML5 JavaScript Component Suite for Responsive Web Development

/**
 * DevExtreme (esm/__internal/scheduler/utils/macro_task_array/methods.js)
 * Version: 24.2.6
 * Build date: Mon Mar 17 2025
 *
 * Copyright (c) 2012 - 2025 Developer Express Inc. ALL RIGHTS RESERVED
 * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
 */
import macroTaskDispatcher from "./dispatcher";
export const DEFAULT_STEPS_VALUE = 100;
export const DEFAULT_MACRO_TASK_TIMEOUT = 0;
export const macroTaskArrayForEach = async function(array, callback) {
    let step = arguments.length > 2 && void 0 !== arguments[2] ? arguments[2] : 100;
    let macroTaskTimeoutMs = arguments.length > 3 && void 0 !== arguments[3] ? arguments[3] : 0;
    const promises = [];
    const batchesCount = Math.ceil(array.length / step);
    for (let batchIdx = 0; batchIdx < batchesCount; batchIdx += 1) {
        const scheduledTask = macroTaskDispatcher.schedule((() => {
            const startIdx = batchIdx * step;
            const maxIdx = startIdx + step;
            for (let idx = startIdx; idx < maxIdx && void 0 !== array[idx]; idx += 1) {
                callback(array[idx])
            }
        }), macroTaskTimeoutMs);
        promises.push(scheduledTask)
    }
    await Promise.all(promises)
};
export const macroTaskArrayMap = async function(array, callback) {
    let step = arguments.length > 2 && void 0 !== arguments[2] ? arguments[2] : 100;
    let macroTaskTimeoutMs = arguments.length > 3 && void 0 !== arguments[3] ? arguments[3] : 0;
    const result = [];
    await macroTaskArrayForEach(array, (item => {
        result.push(callback(item))
    }), step, macroTaskTimeoutMs);
    return result
};