刘宇飞
6e0a1fbcbb
Includes scratch-gui, scratch-vm, scratch-blocks, scratch-render, scratch-l10n, and deployment config. Co-authored-by: Cursor <cursoragent@cursor.com>
22 lines
768 B
JavaScript
22 lines
768 B
JavaScript
/* eslint-disable valid-jsdoc */
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/**
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* Maps each value of an array into an async function, and returns an array of the results
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* @template In
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* @template Out
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* @param {In[]} arr - array of values
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* @param {number} batchSize - number of calls to `func` to do at one time
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* @param {(value: In) => Promise<Out>} func - async function to apply to all items in `arr`. Takes one argument.
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* @return {Promise<Out[]>} - results of `func` applied to each item in `arr`
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*/
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exports.batchMap = async (arr, batchSize, func) => {
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const results = [];
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for (let i = 0; i < arr.length; i += batchSize) {
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const result = await Promise.all(
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arr.slice(i, i + batchSize).map(func)
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);
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results.push(...result);
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}
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return results;
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};
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