47 lines
805 B
JavaScript
47 lines
805 B
JavaScript
/*!
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* arr-diff <https://github.com/jonschlinkert/arr-diff>
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*
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* Copyright (c) 2014-2017, Jon Schlinkert.
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* Released under the MIT License.
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*/
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'use strict';
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module.exports = function diff(arr/*, arrays*/) {
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var len = arguments.length;
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var idx = 0;
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while (++idx < len) {
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arr = diffArray(arr, arguments[idx]);
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}
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return arr;
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};
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function diffArray(one, two) {
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if (!Array.isArray(two)) {
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return one.slice();
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}
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var tlen = two.length
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var olen = one.length;
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var idx = -1;
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var arr = [];
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while (++idx < olen) {
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var ele = one[idx];
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var hasEle = false;
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for (var i = 0; i < tlen; i++) {
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var val = two[i];
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if (ele === val) {
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hasEle = true;
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break;
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}
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}
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if (hasEle === false) {
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arr.push(ele);
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}
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}
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return arr;
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}
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