37 lines
1.1 KiB
JavaScript
37 lines
1.1 KiB
JavaScript
'use strict';
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Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
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const isArrayLike = require('../predicate/isArrayLike.js');
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function flatten(value, depth = 1) {
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const result = [];
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const flooredDepth = Math.floor(depth);
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if (!isArrayLike.isArrayLike(value)) {
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return result;
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}
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const recursive = (arr, currentDepth) => {
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for (let i = 0; i < arr.length; i++) {
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const item = arr[i];
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if (currentDepth < flooredDepth &&
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(Array.isArray(item) ||
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Boolean(item?.[Symbol.isConcatSpreadable]) ||
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(item !== null && typeof item === 'object' && Object.prototype.toString.call(item) === '[object Arguments]'))) {
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if (Array.isArray(item)) {
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recursive(item, currentDepth + 1);
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}
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else {
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recursive(Array.from(item), currentDepth + 1);
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}
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}
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else {
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result.push(item);
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}
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}
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};
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recursive(Array.from(value), 0);
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return result;
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}
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exports.flatten = flatten;
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