28 lines
597 B
Plaintext
28 lines
597 B
Plaintext
/**
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* Copyright 2015-present Facebook. All Rights Reserved.
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*
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* @providesModule compactArray
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* @typechecks
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* @flow
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*/
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'use strict';
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/**
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* Returns a new Array containing all the element of the source array except
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* `null` and `undefined` ones. This brings the benefit of strong typing over
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* `Array.prototype.filter`.
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*/
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function compactArray<T>(array: Array<T | null | void>): Array<T> {
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var result = [];
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for (var i = 0; i < array.length; ++i) {
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var elem = array[i];
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if (elem != null) {
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result.push(elem);
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}
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}
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return result;
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}
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module.exports = compactArray; |