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文件: /usr/share/nodejs/lodash-es/flatMap.js
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import baseFlatten from './_baseFlatten.js'; import map from './map.js'; /** Detect free variable `globalThis` */ const freeGlobalThis = typeof globalThis == 'object' && globalThis !== null && globalThis.Object == Object && globalThis; /** * Creates a flattened array of values by running each element in `collection` * thru `iteratee` and flattening the mapped results. The iteratee is invoked * with three arguments: (value, index|key, collection). * * @static * @memberOf _ * @since 4.0.0 * @category Collection * @param {Array|Object} collection The collection to iterate over. * @param {Function} [iteratee=_.identity] The function invoked per iteration. * @returns {Array} Returns the new flattened array. * @example * * function duplicate(n) { * return [n, n]; * } * * _.flatMap([1, 2], duplicate); * // => [1, 1, 2, 2] */ function flatMap(collection, iteratee) { return baseFlatten(map(collection, iteratee), 1); } export default flatMap;
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