mirror of
https://github.com/react/react-native-devtools-frontend.git
synced 2026-10-01 01:38:07 +08:00
Tim van der Lippe
1fe7f95b0e
This also adds the MPL-2.0 license as valid license to our allowed licenses list. R=jacktfranklin@chromium.org DISABLE_THIRD_PARTY_CHECK=NPM update Change-Id: I2a3bee2ffc0b328a0579ab62ab27f938bdc876c8 Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2593130 Commit-Queue: Jack Franklin <jacktfranklin@chromium.org> Reviewed-by: Jack Franklin <jacktfranklin@chromium.org> Auto-Submit: Tim van der Lippe <tvanderlippe@chromium.org>
39 lines
1.2 KiB
JavaScript
39 lines
1.2 KiB
JavaScript
'use strict';
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var $ = require('../internals/export');
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var toLength = require('../internals/to-length');
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var toObject = require('../internals/to-object');
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var getBuiltIn = require('../internals/get-built-in');
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var arraySpeciesCreate = require('../internals/array-species-create');
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var addToUnscopables = require('../internals/add-to-unscopables');
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var push = [].push;
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// `Array.prototype.uniqueBy` method
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// https://github.com/tc39/proposal-array-unique
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$({ target: 'Array', proto: true }, {
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uniqueBy: function uniqueBy(resolver) {
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var that = toObject(this);
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var length = toLength(that.length);
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var result = arraySpeciesCreate(that, 0);
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var Map = getBuiltIn('Map');
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var map = new Map();
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var resolverFunction, index, item, key;
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if (typeof resolver == 'function') resolverFunction = resolver;
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else if (resolver == null) resolverFunction = function (value) {
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return value;
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};
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else throw new TypeError('Incorrect resolver!');
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for (index = 0; index < length; index++) {
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item = that[index];
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key = resolverFunction(item);
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if (!map.has(key)) map.set(key, item);
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}
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map.forEach(function (value) {
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push.call(result, value);
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});
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return result;
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}
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});
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addToUnscopables('uniqueBy');
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