refactoring of typed arrays, extract ArrayBuffer methods to separate modules, move ArrayBuffer and DataView from typed arrays namespace

Author: zloirock

README.md

@@ -1186,7 +1186,7 @@ console.log(weakset.has(b));   // => false
 #### ECMAScript: Typed Arrays
 Implementations and fixes `ArrayBuffer`, `DataView`, typed arrays constructors, static and prototype methods. Typed Arrays work only in environments with support descriptors (IE9+), `ArrayBuffer` and `DataView` should work anywhere.
 
-Modules [`es.typed.array-buffer`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed.array-buffer.js), [`es.typed.data-view`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed.data-view.js), [`es.typed-array.int8-array`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.int8-array.js), [`es.typed-array.uint8-array`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.uint8-array.js), [`es.typed-array.uint8-clamped-array`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.uint8-clamped-array.js), [`es.typed-array.int16-array`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.int16-array.js), [`es.typed-array.uint16-array`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.uint16-array.js), [`es.typed-array.int32-array`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed.int32-array.js), [`es.typed-array.uint32-array`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.uint32-array.js), [`es.typed-array.float32-array`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.float32-array.js), [`es.typed-array.float64-array`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.float64-array.js), [`es.typed-array.copy-within`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.copy-within.js), [`es.typed-array.every`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.every.js), [`es.typed-array.fill`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.fill.js), [`es.typed-array.filter`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.filter.js), [`es.typed-array.find`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.find.js), [`es.typed-array.find-index`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.find-index.js), [`es.typed-array.for-each`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.for-each.js), [`es.typed-array.from`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.from.js), [`es.typed-array.includes`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.includes.js), [`es.typed-array.index-of`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.index-of.js), [`es.typed-array.iterator`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.iterator.js), [`es.typed-array.last-index-of`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.last-index-of.js), [`es.typed-array.map`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.map.js), [`es.typed-array.of`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.of.js), [`es.typed-array.reduce`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.reduce.js), [`es.typed-array.reduce-right`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.reduce-right.js), [`es.typed-array.reverse`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.reverse.js), [`es.typed-array.set`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.set.js), [`es.typed-array.slice`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.slice.js), [`es.typed-array.some`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.some.js), [`es.typed-array.sort`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.sort.js), [`es.typed-array.subarray`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.subarray.js), [`es.typed-array.to-locale-string`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.to-locale-string.js) and [`es.typed-array.to-string`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.to-string.js).
+Modules [`es.array-buffer.constructor`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.array-buffer.constructor.js), [`es.array-buffer.is-view`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.array-buffer.is-view.js), [`es.array-buffer.slice`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.array-buffer.slice.js), [`es.data-view`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.data-view.js), [`es.typed-array.int8-array`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.int8-array.js), [`es.typed-array.uint8-array`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.uint8-array.js), [`es.typed-array.uint8-clamped-array`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.uint8-clamped-array.js), [`es.typed-array.int16-array`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.int16-array.js), [`es.typed-array.uint16-array`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.uint16-array.js), [`es.typed-array.int32-array`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed.int32-array.js), [`es.typed-array.uint32-array`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.uint32-array.js), [`es.typed-array.float32-array`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.float32-array.js), [`es.typed-array.float64-array`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.float64-array.js), [`es.typed-array.copy-within`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.copy-within.js), [`es.typed-array.every`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.every.js), [`es.typed-array.fill`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.fill.js), [`es.typed-array.filter`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.filter.js), [`es.typed-array.find`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.find.js), [`es.typed-array.find-index`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.find-index.js), [`es.typed-array.for-each`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.for-each.js), [`es.typed-array.from`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.from.js), [`es.typed-array.includes`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.includes.js), [`es.typed-array.index-of`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.index-of.js), [`es.typed-array.iterator`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.iterator.js), [`es.typed-array.last-index-of`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.last-index-of.js), [`es.typed-array.map`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.map.js), [`es.typed-array.of`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.of.js), [`es.typed-array.reduce`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.reduce.js), [`es.typed-array.reduce-right`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.reduce-right.js), [`es.typed-array.reverse`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.reverse.js), [`es.typed-array.set`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.set.js), [`es.typed-array.slice`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.slice.js), [`es.typed-array.some`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.some.js), [`es.typed-array.sort`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.sort.js), [`es.typed-array.subarray`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.subarray.js), [`es.typed-array.to-locale-string`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.to-locale-string.js) and [`es.typed-array.to-string`](https://github.com/zloirock/core-js/blob/v3/packages/core-js/modules/es.typed-array.to-string.js).
 ```js
 class ArrayBuffer {
   constructor(length: any): ArrayBuffer;
@@ -1270,10 +1270,15 @@ class [
 ```
 [*CommonJS entry points:*](#commonjs)
 ```
+core-js/es/array-buffer
+core-js/es/data-view
 core-js/es/typed-array
+core-js/features/array-buffer
+core-js/features/array-buffer/constructor
+core-js/features/array-buffer/is-view
+core-js/features/array-buffer/slice
+core-js/features/data-view
 core-js/features/typed-array
-core-js/features/typed-array/array-buffer
-core-js/features/typed-array/data-view
 core-js/features/typed-array/int8-array
 core-js/features/typed-array/uint8-array
 core-js/features/typed-array/uint8-clamped-array

packages/core-js-builder/config.js

@@ -138,8 +138,10 @@ module.exports = {
     'es.date.to-iso-string',
     'es.date.to-string',
     'es.date.to-primitive',
-    'es.typed.array-buffer',
-    'es.typed.data-view',
+    'es.array-buffer.constructor',
+    'es.array-buffer.is-view',
+    'es.array-buffer.slice',
+    'es.data-view',
     'es.typed-array.int8-array',
     'es.typed-array.uint8-array',
     'es.typed-array.uint8-clamped-array',

packages/core-js-pure/override/internals/typed-array.js renamed to packages/core-js-pure/override/internals/typed-array-constructor.js

@@ -0,0 +1 @@
+// empty

packages/core-js-pure/override/modules/es.typed.array-buffer.js renamed to packages/core-js-pure/override/modules/es.array-buffer.constructor.js

@@ -0,0 +1 @@
+// empty

packages/core-js-pure/override/modules/es.typed.data-view.js renamed to packages/core-js-pure/override/modules/es.array-buffer.is-view.js

@@ -0,0 +1,6 @@
+require('../modules/es.array-buffer.constructor');
+require('../modules/es.array-buffer.is-view');
+require('../modules/es.array-buffer.slice');
+require('../modules/es.object.to-string');
+
+module.exports = require('../internals/path').ArrayBuffer;

packages/core-js-pure/override/modules/es.array-buffer.slice.js

@@ -0,0 +1,3 @@
+require('../modules/es.data-view');
+
+module.exports = require('../internals/path').DataView;

packages/core-js-pure/override/modules/es.data-view.js

@@ -122,8 +122,10 @@ require('../modules/es.map');
 require('../modules/es.set');
 require('../modules/es.weak-map');
 require('../modules/es.weak-set');
-require('../modules/es.typed.array-buffer');
-require('../modules/es.typed.data-view');
+require('../modules/es.array-buffer.constructor');
+require('../modules/es.array-buffer.is-view');
+require('../modules/es.array-buffer.slice');
+require('../modules/es.data-view');
 require('../modules/es.typed-array.int8-array');
 require('../modules/es.typed-array.uint8-array');
 require('../modules/es.typed-array.uint8-clamped-array');

packages/core-js/es/array-buffer.js

@@ -1,5 +1,3 @@
-require('../modules/es.typed.array-buffer');
-require('../modules/es.typed.data-view');
 require('../modules/es.typed-array.int8-array');
 require('../modules/es.typed-array.uint8-array');
 require('../modules/es.typed-array.uint8-clamped-array');

packages/core-js/es/data-view.js

@@ -1,4 +1,4 @@
-require('../../modules/es.typed.array-buffer');
+require('../../modules/es.array-buffer.constructor');
 require('../../modules/es.object.to-string');
 
 module.exports = require('../../internals/path').ArrayBuffer;

packages/core-js/es/index.js

@@ -0,0 +1,6 @@
+require('../../modules/es.array-buffer.constructor');
+require('../../modules/es.array-buffer.is-view');
+require('../../modules/es.array-buffer.slice');
+require('../../modules/es.object.to-string');
+
+module.exports = require('../../internals/path').ArrayBuffer;

packages/core-js/es/typed-array.js

@@ -0,0 +1,3 @@
+require('../../modules/es.array-buffer.is-view');
+
+module.exports = require('../../internals/path').ArrayBuffer.isView;

packages/core-js/features/typed-array/array-buffer.js renamed to packages/core-js/features/array-buffer/constructor.js

@@ -0,0 +1 @@
+require('../../modules/es.array-buffer.slice');

packages/core-js/features/array-buffer/index.js

@@ -1,4 +1,4 @@
-require('../../modules/es.typed.data-view');
+require('../../modules/es.data-view');
 require('../../modules/es.object.to-string');
 
 module.exports = require('../../internals/path').DataView;

packages/core-js/features/array-buffer/is-view.js

@@ -0,0 +1,8 @@
+require('../../modules/es.object.to-string');
+require('../../modules/es.string.iterator');
+require('../../modules/web.dom-collections.iterator');
+require('../../modules/es.promise');
+require('../../modules/esnext.symbol.observable');
+require('../../modules/esnext.observable');
+
+module.exports = require('../../internals/path').Observable;

packages/core-js/features/array-buffer/slice.js

@@ -1,5 +1,3 @@
-require('../../modules/es.typed.array-buffer');
-require('../../modules/es.typed.data-view');
 require('../../modules/es.typed-array.int8-array');
 require('../../modules/es.typed-array.uint8-array');
 require('../../modules/es.typed-array.uint8-clamped-array');

packages/core-js/features/typed-array/data-view.js renamed to packages/core-js/features/data-view/index.js

@@ -122,8 +122,10 @@ require('./modules/es.map');
 require('./modules/es.set');
 require('./modules/es.weak-map');
 require('./modules/es.weak-set');
-require('./modules/es.typed.array-buffer');
-require('./modules/es.typed.data-view');
+require('./modules/es.array-buffer.constructor');
+require('./modules/es.array-buffer.is-view');
+require('./modules/es.array-buffer.slice');
+require('./modules/es.data-view');
 require('./modules/es.typed-array.int8-array');
 require('./modules/es.typed-array.uint8-array');
 require('./modules/es.typed-array.uint8-clamped-array');

packages/core-js/features/observable.js

@@ -14,12 +14,12 @@ var TYPED_ARRAY_TAG = require('../internals/uid')('TYPED_ARRAY_TAG');
 
 var DataView = global.DataView;
 var DataViewPrototype = DataView && DataView.prototype;
-var Uint8Array = global.Uint8Array;
-var Uint8ArrayPrototype = Uint8Array && Uint8Array.prototype;
+var Int8Array = global.Int8Array;
+var Int8ArrayPrototype = Int8Array && Int8Array.prototype;
 var Uint8ClampedArray = global.Uint8ClampedArray;
 var Uint8ClampedArrayPrototype = Uint8ClampedArray && Uint8ClampedArray.prototype;
-var TypedArray = Uint8Array && getPrototypeOf(Uint8Array);
-var TypedArrayPrototype = Uint8ArrayPrototype && getPrototypeOf(Uint8ArrayPrototype);
+var TypedArray = Int8Array && getPrototypeOf(Int8Array);
+var TypedArrayPrototype = Int8ArrayPrototype && getPrototypeOf(Int8ArrayPrototype);
 var ObjectPrototype = Object.prototype;
 var isPrototypeOf = ObjectPrototype.isPrototypeOf;
 
@@ -40,7 +40,7 @@ var TypedArrayConstructorsList = {
   Float64Array: 8
 };
 
-var isArrayBufferView = function (it) {
+var isView = function isView(it) {
   var klass = classof(it);
   return klass === 'DataView' || has(TypedArrayConstructorsList, klass);
 };
@@ -66,7 +66,7 @@ var exportProto = function (KEY, property, forced) {
     if (global[ARRAY] && has(global[ARRAY].prototype, KEY)) delete global[ARRAY].prototype[KEY];
   }
   if (!TypedArrayPrototype[KEY] || forced) {
-    redefine(TypedArrayPrototype, KEY, forced ? property : Uint8ArrayPrototype[KEY] || property);
+    redefine(TypedArrayPrototype, KEY, forced ? property : Int8ArrayPrototype[KEY] || property);
   }
 };
 
@@ -77,7 +77,7 @@ var exportStatic = function (KEY, property, forced) {
     if (global[ARRAY] && has(global[ARRAY], KEY)) delete global[ARRAY][KEY];
   }
   if (!TypedArray[KEY] || forced) {
-    redefine(TypedArray, KEY, forced ? property : Uint8Array[KEY] || property);
+    redefine(TypedArray, KEY, forced ? property : Int8Array[KEY] || property);
   }
 };
 
@@ -129,7 +129,7 @@ module.exports = {
   aTypedArrayConstructor: aTypedArrayConstructor,
   exportProto: exportProto,
   exportStatic: exportStatic,
-  isArrayBufferView: isArrayBufferView,
+  isView: isView,
   isTypedArray: isTypedArray,
   TypedArray: TypedArray,
   TypedArrayPrototype: TypedArrayPrototype

packages/core-js/features/observable/index.js

@@ -0,0 +1,10 @@
+'use strict';
+var ARRAY_BUFFER = 'ArrayBuffer';
+var ArrayBuffer = require('../internals/typed-buffer')[ARRAY_BUFFER];
+var NativeArrayBuffer = require('../internals/global')[ARRAY_BUFFER];
+
+require('../internals/export')({ global: true, forced: NativeArrayBuffer !== ArrayBuffer }, {
+  ArrayBuffer: ArrayBuffer
+});
+
+require('../internals/set-species')(ARRAY_BUFFER);

packages/core-js/features/typed-array/index.js

@@ -0,0 +1,7 @@
+var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
+
+// `ArrayBuffer.isView` method
+// https://tc39.github.io/ecma262/#sec-arraybuffer.isview
+require('../internals/export')({
+  target: 'ArrayBuffer', stat: true, forced: !ArrayBufferViewCore.NATIVE_ARRAY_BUFFER_VIEWS
+}, { isView: ArrayBufferViewCore.isView });

packages/core-js/features/weak-map.js

@@ -0,0 +1,32 @@
+'use strict';
+var TypedBufferModule = require('../internals/typed-buffer');
+var anObject = require('../internals/an-object');
+var toAbsoluteIndex = require('../internals/to-absolute-index');
+var toLength = require('../internals/to-length');
+var speciesConstructor = require('../internals/species-constructor');
+var ArrayBuffer = TypedBufferModule.ArrayBuffer;
+var DataView = TypedBufferModule.DataView;
+var nativeArrayBufferSlice = ArrayBuffer.prototype.slice;
+
+var INCORRECT_SLICE = require('../internals/fails')(function () {
+  return !new ArrayBuffer(2).slice(1, undefined).byteLength;
+});
+
+require('../internals/export')({ target: 'ArrayBuffer', proto: true, unsafe: true, forced: INCORRECT_SLICE }, {
+  // 24.1.4.3 ArrayBuffer.prototype.slice(start, end)
+  slice: function slice(start, end) {
+    if (nativeArrayBufferSlice !== undefined && end === undefined) {
+      return nativeArrayBufferSlice.call(anObject(this), start); // FF fix
+    }
+    var length = anObject(this).byteLength;
+    var first = toAbsoluteIndex(start, length);
+    var fin = toAbsoluteIndex(end === undefined ? length : end, length);
+    var result = new (speciesConstructor(this, ArrayBuffer))(toLength(fin - first));
+    var viewSource = new DataView(this);
+    var viewTarget = new DataView(result);
+    var index = 0;
+    while (first < fin) {
+      viewTarget.setUint8(index++, viewSource.getUint8(first++));
+    } return result;
+  }
+});

packages/core-js/features/weak-set.js

@@ -1,4 +1,4 @@
-require('../internals/typed-array')('Float32', 4, function (init) {
+require('../internals/typed-array-constructor')('Float32', 4, function (init) {
   return function Float32Array(data, byteOffset, length) {
     return init(this, data, byteOffset, length);
   };

packages/core-js/index.js

@@ -1,4 +1,4 @@
-require('../internals/typed-array')('Float64', 8, function (init) {
+require('../internals/typed-array-constructor')('Float64', 8, function (init) {
   return function Float64Array(data, byteOffset, length) {
     return init(this, data, byteOffset, length);
   };

packages/core-js/internals/array-buffer-view-core.js

@@ -1,4 +1,4 @@
-require('../internals/typed-array')('Int16', 2, function (init) {
+require('../internals/typed-array-constructor')('Int16', 2, function (init) {
   return function Int16Array(data, byteOffset, length) {
     return init(this, data, byteOffset, length);
   };

packages/core-js/internals/typed-array.js renamed to packages/core-js/internals/typed-array-constructor.js

@@ -1,4 +1,4 @@
-require('../internals/typed-array')('Int32', 4, function (init) {
+require('../internals/typed-array-constructor')('Int32', 4, function (init) {
   return function Int32Array(data, byteOffset, length) {
     return init(this, data, byteOffset, length);
   };