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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,5 @@ | ||
| require('../../modules/es.map'); | ||
| require('../../modules/esnext.array.group-by-map'); | ||
| var entryUnbind = require('../../internals/entry-unbind'); | ||
|
|
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| module.exports = entryUnbind('Array', 'groupByMap'); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,5 @@ | ||
| require('../../../modules/es.map'); | ||
| require('../../../modules/esnext.array.group-by-map'); | ||
| var entryVirtual = require('../../../internals/entry-virtual'); | ||
|
|
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| module.exports = entryVirtual('Array').groupByMap; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| 'use strict'; | ||
| var $ = require('../internals/export'); | ||
| var getBuiltIn = require('../internals/get-built-in'); | ||
| var bind = require('../internals/function-bind-context'); | ||
| var uncurryThis = require('../internals/function-uncurry-this'); | ||
| var IndexedObject = require('../internals/indexed-object'); | ||
| var toObject = require('../internals/to-object'); | ||
| var lengthOfArrayLike = require('../internals/length-of-array-like'); | ||
| var addToUnscopables = require('../internals/add-to-unscopables'); | ||
|
|
||
| var Map = getBuiltIn('Map'); | ||
| var MapPrototype = Map.prototype; | ||
| var mapGet = uncurryThis(MapPrototype.get); | ||
| var mapHas = uncurryThis(MapPrototype.has); | ||
| var mapSet = uncurryThis(MapPrototype.set); | ||
| var push = uncurryThis([].push); | ||
|
|
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| // `Array.prototype.groupByMap` method | ||
| // https://github.com/tc39/proposal-array-grouping | ||
| $({ target: 'Array', proto: true }, { | ||
| groupByMap: function groupByMap(callbackfn /* , thisArg */) { | ||
| var O = toObject(this); | ||
| var self = IndexedObject(O); | ||
| var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined); | ||
| var map = new Map(); | ||
| var length = lengthOfArrayLike(self); | ||
| var index = 0; | ||
| var key, value; | ||
| for (;length > index; index++) { | ||
| value = self[index]; | ||
| key = boundFunction(value, index, O); | ||
| if (mapHas(map, key)) push(mapGet(map, key), value); | ||
| else mapSet(map, key, [value]); | ||
| } return map; | ||
| } | ||
| }); | ||
|
|
||
| addToUnscopables('groupByMap'); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,4 @@ | ||
| // https://github.com/tc39/proposal-array-from-async | ||
| require('../modules/esnext.array.from-async'); | ||
| // TODO: Remove from `core-js@4` | ||
| require('../modules/esnext.typed-array.from-async'); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,5 @@ | ||
| // https://github.com/tc39/proposal-array-grouping | ||
| require('../modules/esnext.array.group-by'); | ||
| require('../modules/esnext.array.group-by-map'); | ||
| // TODO: Remove from `core-js@4` | ||
| require('../modules/esnext.typed-array.group-by'); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| import { STRICT } from '../helpers/constants'; | ||
|
|
||
| import Map from 'core-js-pure/es/map'; | ||
| import Symbol from 'core-js-pure/es/symbol'; | ||
| import from from 'core-js-pure/es/array/from'; | ||
| import groupByMap from 'core-js-pure/features/array/group-by-map'; | ||
|
|
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| QUnit.test('Array#groupByMap', assert => { | ||
| assert.isFunction(groupByMap); | ||
| let array = [1]; | ||
| const context = {}; | ||
| groupByMap(array, function (value, key, that) { | ||
| assert.same(arguments.length, 3, 'correct number of callback arguments'); | ||
| assert.same(value, 1, 'correct value in callback'); | ||
| assert.same(key, 0, 'correct index in callback'); | ||
| assert.same(that, array, 'correct link to array in callback'); | ||
| assert.same(this, context, 'correct callback context'); | ||
| }, context); | ||
| assert.true(groupByMap([], it => it) instanceof Map, 'returns Map'); | ||
| assert.deepEqual(from(groupByMap([1, 2, 3], it => it % 2)), [[1, [1, 3]], [0, [2]]], '#1'); | ||
| assert.deepEqual( | ||
| from(groupByMap([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12], it => `i${ it % 5 }`)), | ||
| [['i1', [1, 6, 11]], ['i2', [2, 7, 12]], ['i3', [3, 8]], ['i4', [4, 9]], ['i0', [5, 10]]], | ||
| '#2', | ||
| ); | ||
| assert.deepEqual(from(groupByMap(Array(3), it => it)), [[undefined, [undefined, undefined, undefined]]], '#3'); | ||
| if (STRICT) { | ||
| assert.throws(() => groupByMap(null, () => { /* empty */ }), TypeError); | ||
| assert.throws(() => groupByMap(undefined, () => { /* empty */ }), TypeError); | ||
| } | ||
| array = [1]; | ||
| // eslint-disable-next-line object-shorthand -- constructor | ||
| array.constructor = { [Symbol.species]: function () { | ||
| return { foo: 1 }; | ||
| } }; | ||
| assert.same(groupByMap(array, Boolean).get(true).foo, undefined, 'no @@species'); | ||
| }); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| import { STRICT } from '../helpers/constants'; | ||
|
|
||
| const { from } = Array; | ||
|
|
||
| QUnit.test('Array#groupByMap', assert => { | ||
| const { groupByMap } = Array.prototype; | ||
| assert.isFunction(groupByMap); | ||
| assert.arity(groupByMap, 1); | ||
| assert.name(groupByMap, 'groupByMap'); | ||
| assert.looksNative(groupByMap); | ||
| assert.nonEnumerable(Array.prototype, 'groupByMap'); | ||
| let array = [1]; | ||
| const context = {}; | ||
| array.groupByMap(function (value, key, that) { | ||
| assert.same(arguments.length, 3, 'correct number of callback arguments'); | ||
| assert.same(value, 1, 'correct value in callback'); | ||
| assert.same(key, 0, 'correct index in callback'); | ||
| assert.same(that, array, 'correct link to array in callback'); | ||
| assert.same(this, context, 'correct callback context'); | ||
| }, context); | ||
| assert.true([].groupByMap(it => it) instanceof Map, 'returns Map'); | ||
| assert.deepEqual(from([1, 2, 3].groupByMap(it => it % 2)), [[1, [1, 3]], [0, [2]]], '#1'); | ||
| assert.deepEqual( | ||
| from([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12].groupByMap(it => `i${ it % 5 }`)), | ||
| [['i1', [1, 6, 11]], ['i2', [2, 7, 12]], ['i3', [3, 8]], ['i4', [4, 9]], ['i0', [5, 10]]], | ||
| '#2', | ||
| ); | ||
| assert.deepEqual(from(Array(3).groupByMap(it => it)), [[undefined, [undefined, undefined, undefined]]], '#3'); | ||
| if (STRICT) { | ||
| assert.throws(() => groupByMap.call(null, () => { /* empty */ }), TypeError); | ||
| assert.throws(() => groupByMap.call(undefined, () => { /* empty */ }), TypeError); | ||
| } | ||
| array = [1]; | ||
| // eslint-disable-next-line object-shorthand -- constructor | ||
| array.constructor = { [Symbol.species]: function () { | ||
| return { foo: 1 }; | ||
| } }; | ||
| assert.same(array.groupByMap(Boolean).get(true).foo, undefined, 'no @@species'); | ||
| }); |
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