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1 change: 1 addition & 0 deletions
1
packages/core-js-pure/override/modules/esnext.typed-array.unique-by.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| // empty |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,7 +1,9 @@ | ||
| var parent = require('../../es/typed-array'); | ||
| require('../../modules/es.map'); | ||
| require('../../modules/esnext.typed-array.at'); | ||
| require('../../modules/esnext.typed-array.filter-out'); | ||
| require('../../modules/esnext.typed-array.find-last'); | ||
| require('../../modules/esnext.typed-array.find-last-index'); | ||
| require('../../modules/esnext.typed-array.unique-by'); | ||
|
|
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| module.exports = parent; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| require('../../modules/es.map'); | ||
| require('../../modules/esnext.typed-array.unique-by'); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| 'use strict'; | ||
| var toLength = require('../internals/to-length'); | ||
| var toObject = require('../internals/to-object'); | ||
| var getBuiltIn = require('../internals/get-built-in'); | ||
| var arraySpeciesCreate = require('../internals/array-species-create'); | ||
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| var push = [].push; | ||
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| // `Array.prototype.uniqueBy` method | ||
| // https://github.com/tc39/proposal-array-unique | ||
| module.exports = function uniqueBy(resolver) { | ||
| var that = toObject(this); | ||
| var length = toLength(that.length); | ||
| var result = arraySpeciesCreate(that, 0); | ||
| var Map = getBuiltIn('Map'); | ||
| var map = new Map(); | ||
| var resolverFunction, index, item, key; | ||
| if (typeof resolver == 'function') resolverFunction = resolver; | ||
| else if (resolver == null) resolverFunction = function (value) { | ||
| return value; | ||
| }; | ||
| else throw new TypeError('Incorrect resolver!'); | ||
| for (index = 0; index < length; index++) { | ||
| item = that[index]; | ||
| key = resolverFunction(item); | ||
| if (!map.has(key)) map.set(key, item); | ||
| } | ||
| map.forEach(function (value) { | ||
| push.call(result, value); | ||
| }); | ||
| return result; | ||
| }; |
11 changes: 11 additions & 0 deletions
11
packages/core-js/internals/typed-array-from-species-and-list.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| var aTypedArrayConstructor = require('../internals/array-buffer-view-core').aTypedArrayConstructor; | ||
| var speciesConstructor = require('../internals/species-constructor'); | ||
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| module.exports = function (instance, list) { | ||
| var C = speciesConstructor(instance, instance.constructor); | ||
| var index = 0; | ||
| var length = list.length; | ||
| var result = new (aTypedArrayConstructor(C))(length); | ||
| while (length > index) result[index] = list[index++]; | ||
| return result; | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,20 +1,14 @@ | ||
| 'use strict'; | ||
| var ArrayBufferViewCore = require('../internals/array-buffer-view-core'); | ||
| var $filter = require('../internals/array-iteration').filter; | ||
| var speciesConstructor = require('../internals/species-constructor'); | ||
| var fromSpeciesAndList = require('../internals/typed-array-from-species-and-list'); | ||
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| var aTypedArray = ArrayBufferViewCore.aTypedArray; | ||
| var aTypedArrayConstructor = ArrayBufferViewCore.aTypedArrayConstructor; | ||
| var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod; | ||
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| // `%TypedArray%.prototype.filter` method | ||
| // https://tc39.es/ecma262/#sec-%typedarray%.prototype.filter | ||
| exportTypedArrayMethod('filter', function filter(callbackfn /* , thisArg */) { | ||
| var list = $filter(aTypedArray(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined); | ||
| var C = speciesConstructor(this, this.constructor); | ||
| var index = 0; | ||
| var length = list.length; | ||
| var result = new (aTypedArrayConstructor(C))(length); | ||
| while (length > index) result[index] = list[index++]; | ||
| return result; | ||
| return fromSpeciesAndList(this, list); | ||
| }); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,38 +1,12 @@ | ||
| 'use strict'; | ||
| var $ = require('../internals/export'); | ||
| var toLength = require('../internals/to-length'); | ||
| var toObject = require('../internals/to-object'); | ||
| var getBuiltIn = require('../internals/get-built-in'); | ||
| var arraySpeciesCreate = require('../internals/array-species-create'); | ||
| var addToUnscopables = require('../internals/add-to-unscopables'); | ||
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| var push = [].push; | ||
| var uniqueBy = require('../internals/array-unique-by'); | ||
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| // `Array.prototype.uniqueBy` method | ||
| // https://github.com/tc39/proposal-array-unique | ||
| $({ target: 'Array', proto: true }, { | ||
| uniqueBy: function uniqueBy(resolver) { | ||
| var that = toObject(this); | ||
| var length = toLength(that.length); | ||
| var result = arraySpeciesCreate(that, 0); | ||
| var Map = getBuiltIn('Map'); | ||
| var map = new Map(); | ||
| var resolverFunction, index, item, key; | ||
| if (typeof resolver == 'function') resolverFunction = resolver; | ||
| else if (resolver == null) resolverFunction = function (value) { | ||
| return value; | ||
| }; | ||
| else throw new TypeError('Incorrect resolver!'); | ||
| for (index = 0; index < length; index++) { | ||
| item = that[index]; | ||
| key = resolverFunction(item); | ||
| if (!map.has(key)) map.set(key, item); | ||
| } | ||
| map.forEach(function (value) { | ||
| push.call(result, value); | ||
| }); | ||
| return result; | ||
| } | ||
| uniqueBy: uniqueBy | ||
| }); | ||
|
|
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| addToUnscopables('uniqueBy'); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,20 +1,14 @@ | ||
| 'use strict'; | ||
| var ArrayBufferViewCore = require('../internals/array-buffer-view-core'); | ||
| var $filterOut = require('../internals/array-iteration').filterOut; | ||
| var speciesConstructor = require('../internals/species-constructor'); | ||
| var fromSpeciesAndList = require('../internals/typed-array-from-species-and-list'); | ||
|
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| var aTypedArray = ArrayBufferViewCore.aTypedArray; | ||
| var aTypedArrayConstructor = ArrayBufferViewCore.aTypedArrayConstructor; | ||
| var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod; | ||
|
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| // `%TypedArray%.prototype.filterOut` method | ||
| // https://github.com/tc39/proposal-array-filtering | ||
| exportTypedArrayMethod('filterOut', function filterOut(callbackfn /* , thisArg */) { | ||
| var list = $filterOut(aTypedArray(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined); | ||
| var C = speciesConstructor(this, this.constructor); | ||
| var index = 0; | ||
| var length = list.length; | ||
| var result = new (aTypedArrayConstructor(C))(length); | ||
| while (length > index) result[index] = list[index++]; | ||
| return result; | ||
| return fromSpeciesAndList(this, list); | ||
| }); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| 'use strict'; | ||
| var ArrayBufferViewCore = require('../internals/array-buffer-view-core'); | ||
| var arrayUniqueBy = require('../internals/array-unique-by'); | ||
| var fromSpeciesAndList = require('../internals/typed-array-from-species-and-list'); | ||
|
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| var aTypedArray = ArrayBufferViewCore.aTypedArray; | ||
| var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod; | ||
|
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| // `%TypedArray%.prototype.uniqueBy` method | ||
| // https://github.com/tc39/proposal-array-unique | ||
| exportTypedArrayMethod('uniqueBy', function uniqueBy(resolver) { | ||
| return fromSpeciesAndList(this, arrayUniqueBy.call(aTypedArray(this), resolver)); | ||
| }); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,4 @@ | ||
| // https://github.com/tc39/proposal-array-unique | ||
| require('../modules/es.map'); | ||
| require('../modules/esnext.array.unique-by'); | ||
| require('../modules/esnext.typed-array.unique-by'); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| import { DESCRIPTORS, GLOBAL, TYPED_ARRAYS } from '../helpers/constants'; | ||
|
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| if (DESCRIPTORS) QUnit.test('%TypedArrayPrototype%.uniqueBy', assert => { | ||
| // we can't implement %TypedArrayPrototype% in all engines, so run all tests for each typed array constructor | ||
| for (const name in TYPED_ARRAYS) { | ||
| const TypedArray = GLOBAL[name]; | ||
| const { uniqueBy } = TypedArray.prototype; | ||
| assert.isFunction(uniqueBy, `${ name }::uniqueBy is function`); | ||
| assert.arity(uniqueBy, 1, `${ name }::uniqueBy arity is 1`); | ||
| assert.name(uniqueBy, 'uniqueBy', `${ name }::uniqueBy name is 'uniqueBy'`); | ||
| assert.looksNative(uniqueBy, `${ name }::uniqueBy looks native`); | ||
| const array = new TypedArray([1, 2, 3, 2, 1]); | ||
| assert.ok(array.uniqueBy() !== array); | ||
| assert.deepEqual(array.uniqueBy(), new TypedArray([1, 2, 3])); | ||
| let values = ''; | ||
| new TypedArray([1, 2, 3]).uniqueBy(value => { | ||
| values += value; | ||
| }); | ||
| assert.same(values, '123'); | ||
| assert.throws(() => uniqueBy.call(null, () => { /* empty */ }), TypeError); | ||
| assert.throws(() => uniqueBy.call(undefined, () => { /* empty */ }), TypeError); | ||
| assert.throws(() => uniqueBy.call([0], () => { /* empty */ }), "isn't generic"); | ||
| } | ||
| }); |
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