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- 'use strict';
- if (require('./_descriptors')) {
- var LIBRARY = require('./_library');
- var global = require('./_global');
- var fails = require('./_fails');
- var $export = require('./_export');
- var $typed = require('./_typed');
- var $buffer = require('./_typed-buffer');
- var ctx = require('./_ctx');
- var anInstance = require('./_an-instance');
- var propertyDesc = require('./_property-desc');
- var hide = require('./_hide');
- var redefineAll = require('./_redefine-all');
- var toInteger = require('./_to-integer');
- var toLength = require('./_to-length');
- var toIndex = require('./_to-index');
- var toAbsoluteIndex = require('./_to-absolute-index');
- var toPrimitive = require('./_to-primitive');
- var has = require('./_has');
- var classof = require('./_classof');
- var isObject = require('./_is-object');
- var toObject = require('./_to-object');
- var isArrayIter = require('./_is-array-iter');
- var create = require('./_object-create');
- var getPrototypeOf = require('./_object-gpo');
- var gOPN = require('./_object-gopn').f;
- var getIterFn = require('./core.get-iterator-method');
- var uid = require('./_uid');
- var wks = require('./_wks');
- var createArrayMethod = require('./_array-methods');
- var createArrayIncludes = require('./_array-includes');
- var speciesConstructor = require('./_species-constructor');
- var ArrayIterators = require('./es6.array.iterator');
- var Iterators = require('./_iterators');
- var $iterDetect = require('./_iter-detect');
- var setSpecies = require('./_set-species');
- var arrayFill = require('./_array-fill');
- var arrayCopyWithin = require('./_array-copy-within');
- var $DP = require('./_object-dp');
- var $GOPD = require('./_object-gopd');
- var dP = $DP.f;
- var gOPD = $GOPD.f;
- var RangeError = global.RangeError;
- var TypeError = global.TypeError;
- var Uint8Array = global.Uint8Array;
- var ARRAY_BUFFER = 'ArrayBuffer';
- var SHARED_BUFFER = 'Shared' + ARRAY_BUFFER;
- var BYTES_PER_ELEMENT = 'BYTES_PER_ELEMENT';
- var PROTOTYPE = 'prototype';
- var ArrayProto = Array[PROTOTYPE];
- var $ArrayBuffer = $buffer.ArrayBuffer;
- var $DataView = $buffer.DataView;
- var arrayForEach = createArrayMethod(0);
- var arrayFilter = createArrayMethod(2);
- var arraySome = createArrayMethod(3);
- var arrayEvery = createArrayMethod(4);
- var arrayFind = createArrayMethod(5);
- var arrayFindIndex = createArrayMethod(6);
- var arrayIncludes = createArrayIncludes(true);
- var arrayIndexOf = createArrayIncludes(false);
- var arrayValues = ArrayIterators.values;
- var arrayKeys = ArrayIterators.keys;
- var arrayEntries = ArrayIterators.entries;
- var arrayLastIndexOf = ArrayProto.lastIndexOf;
- var arrayReduce = ArrayProto.reduce;
- var arrayReduceRight = ArrayProto.reduceRight;
- var arrayJoin = ArrayProto.join;
- var arraySort = ArrayProto.sort;
- var arraySlice = ArrayProto.slice;
- var arrayToString = ArrayProto.toString;
- var arrayToLocaleString = ArrayProto.toLocaleString;
- var ITERATOR = wks('iterator');
- var TAG = wks('toStringTag');
- var TYPED_CONSTRUCTOR = uid('typed_constructor');
- var DEF_CONSTRUCTOR = uid('def_constructor');
- var ALL_CONSTRUCTORS = $typed.CONSTR;
- var TYPED_ARRAY = $typed.TYPED;
- var VIEW = $typed.VIEW;
- var WRONG_LENGTH = 'Wrong length!';
- var $map = createArrayMethod(1, function (O, length) {
- return allocate(speciesConstructor(O, O[DEF_CONSTRUCTOR]), length);
- });
- var LITTLE_ENDIAN = fails(function () {
- // eslint-disable-next-line no-undef
- return new Uint8Array(new Uint16Array([1]).buffer)[0] === 1;
- });
- var FORCED_SET = !!Uint8Array && !!Uint8Array[PROTOTYPE].set && fails(function () {
- new Uint8Array(1).set({});
- });
- var toOffset = function (it, BYTES) {
- var offset = toInteger(it);
- if (offset < 0 || offset % BYTES) throw RangeError('Wrong offset!');
- return offset;
- };
- var validate = function (it) {
- if (isObject(it) && TYPED_ARRAY in it) return it;
- throw TypeError(it + ' is not a typed array!');
- };
- var allocate = function (C, length) {
- if (!(isObject(C) && TYPED_CONSTRUCTOR in C)) {
- throw TypeError('It is not a typed array constructor!');
- } return new C(length);
- };
- var speciesFromList = function (O, list) {
- return fromList(speciesConstructor(O, O[DEF_CONSTRUCTOR]), list);
- };
- var fromList = function (C, list) {
- var index = 0;
- var length = list.length;
- var result = allocate(C, length);
- while (length > index) result[index] = list[index++];
- return result;
- };
- var addGetter = function (it, key, internal) {
- dP(it, key, { get: function () { return this._d[internal]; } });
- };
- var $from = function from(source /* , mapfn, thisArg */) {
- var O = toObject(source);
- var aLen = arguments.length;
- var mapfn = aLen > 1 ? arguments[1] : undefined;
- var mapping = mapfn !== undefined;
- var iterFn = getIterFn(O);
- var i, length, values, result, step, iterator;
- if (iterFn != undefined && !isArrayIter(iterFn)) {
- for (iterator = iterFn.call(O), values = [], i = 0; !(step = iterator.next()).done; i++) {
- values.push(step.value);
- } O = values;
- }
- if (mapping && aLen > 2) mapfn = ctx(mapfn, arguments[2], 2);
- for (i = 0, length = toLength(O.length), result = allocate(this, length); length > i; i++) {
- result[i] = mapping ? mapfn(O[i], i) : O[i];
- }
- return result;
- };
- var $of = function of(/* ...items */) {
- var index = 0;
- var length = arguments.length;
- var result = allocate(this, length);
- while (length > index) result[index] = arguments[index++];
- return result;
- };
- // iOS Safari 6.x fails here
- var TO_LOCALE_BUG = !!Uint8Array && fails(function () { arrayToLocaleString.call(new Uint8Array(1)); });
- var $toLocaleString = function toLocaleString() {
- return arrayToLocaleString.apply(TO_LOCALE_BUG ? arraySlice.call(validate(this)) : validate(this), arguments);
- };
- var proto = {
- copyWithin: function copyWithin(target, start /* , end */) {
- return arrayCopyWithin.call(validate(this), target, start, arguments.length > 2 ? arguments[2] : undefined);
- },
- every: function every(callbackfn /* , thisArg */) {
- return arrayEvery(validate(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined);
- },
- fill: function fill(value /* , start, end */) { // eslint-disable-line no-unused-vars
- return arrayFill.apply(validate(this), arguments);
- },
- filter: function filter(callbackfn /* , thisArg */) {
- return speciesFromList(this, arrayFilter(validate(this), callbackfn,
- arguments.length > 1 ? arguments[1] : undefined));
- },
- find: function find(predicate /* , thisArg */) {
- return arrayFind(validate(this), predicate, arguments.length > 1 ? arguments[1] : undefined);
- },
- findIndex: function findIndex(predicate /* , thisArg */) {
- return arrayFindIndex(validate(this), predicate, arguments.length > 1 ? arguments[1] : undefined);
- },
- forEach: function forEach(callbackfn /* , thisArg */) {
- arrayForEach(validate(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined);
- },
- indexOf: function indexOf(searchElement /* , fromIndex */) {
- return arrayIndexOf(validate(this), searchElement, arguments.length > 1 ? arguments[1] : undefined);
- },
- includes: function includes(searchElement /* , fromIndex */) {
- return arrayIncludes(validate(this), searchElement, arguments.length > 1 ? arguments[1] : undefined);
- },
- join: function join(separator) { // eslint-disable-line no-unused-vars
- return arrayJoin.apply(validate(this), arguments);
- },
- lastIndexOf: function lastIndexOf(searchElement /* , fromIndex */) { // eslint-disable-line no-unused-vars
- return arrayLastIndexOf.apply(validate(this), arguments);
- },
- map: function map(mapfn /* , thisArg */) {
- return $map(validate(this), mapfn, arguments.length > 1 ? arguments[1] : undefined);
- },
- reduce: function reduce(callbackfn /* , initialValue */) { // eslint-disable-line no-unused-vars
- return arrayReduce.apply(validate(this), arguments);
- },
- reduceRight: function reduceRight(callbackfn /* , initialValue */) { // eslint-disable-line no-unused-vars
- return arrayReduceRight.apply(validate(this), arguments);
- },
- reverse: function reverse() {
- var that = this;
- var length = validate(that).length;
- var middle = Math.floor(length / 2);
- var index = 0;
- var value;
- while (index < middle) {
- value = that[index];
- that[index++] = that[--length];
- that[length] = value;
- } return that;
- },
- some: function some(callbackfn /* , thisArg */) {
- return arraySome(validate(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined);
- },
- sort: function sort(comparefn) {
- return arraySort.call(validate(this), comparefn);
- },
- subarray: function subarray(begin, end) {
- var O = validate(this);
- var length = O.length;
- var $begin = toAbsoluteIndex(begin, length);
- return new (speciesConstructor(O, O[DEF_CONSTRUCTOR]))(
- O.buffer,
- O.byteOffset + $begin * O.BYTES_PER_ELEMENT,
- toLength((end === undefined ? length : toAbsoluteIndex(end, length)) - $begin)
- );
- }
- };
- var $slice = function slice(start, end) {
- return speciesFromList(this, arraySlice.call(validate(this), start, end));
- };
- var $set = function set(arrayLike /* , offset */) {
- validate(this);
- var offset = toOffset(arguments[1], 1);
- var length = this.length;
- var src = toObject(arrayLike);
- var len = toLength(src.length);
- var index = 0;
- if (len + offset > length) throw RangeError(WRONG_LENGTH);
- while (index < len) this[offset + index] = src[index++];
- };
- var $iterators = {
- entries: function entries() {
- return arrayEntries.call(validate(this));
- },
- keys: function keys() {
- return arrayKeys.call(validate(this));
- },
- values: function values() {
- return arrayValues.call(validate(this));
- }
- };
- var isTAIndex = function (target, key) {
- return isObject(target)
- && target[TYPED_ARRAY]
- && typeof key != 'symbol'
- && key in target
- && String(+key) == String(key);
- };
- var $getDesc = function getOwnPropertyDescriptor(target, key) {
- return isTAIndex(target, key = toPrimitive(key, true))
- ? propertyDesc(2, target[key])
- : gOPD(target, key);
- };
- var $setDesc = function defineProperty(target, key, desc) {
- if (isTAIndex(target, key = toPrimitive(key, true))
- && isObject(desc)
- && has(desc, 'value')
- && !has(desc, 'get')
- && !has(desc, 'set')
- // TODO: add validation descriptor w/o calling accessors
- && !desc.configurable
- && (!has(desc, 'writable') || desc.writable)
- && (!has(desc, 'enumerable') || desc.enumerable)
- ) {
- target[key] = desc.value;
- return target;
- } return dP(target, key, desc);
- };
- if (!ALL_CONSTRUCTORS) {
- $GOPD.f = $getDesc;
- $DP.f = $setDesc;
- }
- $export($export.S + $export.F * !ALL_CONSTRUCTORS, 'Object', {
- getOwnPropertyDescriptor: $getDesc,
- defineProperty: $setDesc
- });
- if (fails(function () { arrayToString.call({}); })) {
- arrayToString = arrayToLocaleString = function toString() {
- return arrayJoin.call(this);
- };
- }
- var $TypedArrayPrototype$ = redefineAll({}, proto);
- redefineAll($TypedArrayPrototype$, $iterators);
- hide($TypedArrayPrototype$, ITERATOR, $iterators.values);
- redefineAll($TypedArrayPrototype$, {
- slice: $slice,
- set: $set,
- constructor: function () { /* noop */ },
- toString: arrayToString,
- toLocaleString: $toLocaleString
- });
- addGetter($TypedArrayPrototype$, 'buffer', 'b');
- addGetter($TypedArrayPrototype$, 'byteOffset', 'o');
- addGetter($TypedArrayPrototype$, 'byteLength', 'l');
- addGetter($TypedArrayPrototype$, 'length', 'e');
- dP($TypedArrayPrototype$, TAG, {
- get: function () { return this[TYPED_ARRAY]; }
- });
- // eslint-disable-next-line max-statements
- module.exports = function (KEY, BYTES, wrapper, CLAMPED) {
- CLAMPED = !!CLAMPED;
- var NAME = KEY + (CLAMPED ? 'Clamped' : '') + 'Array';
- var GETTER = 'get' + KEY;
- var SETTER = 'set' + KEY;
- var TypedArray = global[NAME];
- var Base = TypedArray || {};
- var TAC = TypedArray && getPrototypeOf(TypedArray);
- var FORCED = !TypedArray || !$typed.ABV;
- var O = {};
- var TypedArrayPrototype = TypedArray && TypedArray[PROTOTYPE];
- var getter = function (that, index) {
- var data = that._d;
- return data.v[GETTER](index * BYTES + data.o, LITTLE_ENDIAN);
- };
- var setter = function (that, index, value) {
- var data = that._d;
- if (CLAMPED) value = (value = Math.round(value)) < 0 ? 0 : value > 0xff ? 0xff : value & 0xff;
- data.v[SETTER](index * BYTES + data.o, value, LITTLE_ENDIAN);
- };
- var addElement = function (that, index) {
- dP(that, index, {
- get: function () {
- return getter(this, index);
- },
- set: function (value) {
- return setter(this, index, value);
- },
- enumerable: true
- });
- };
- if (FORCED) {
- TypedArray = wrapper(function (that, data, $offset, $length) {
- anInstance(that, TypedArray, NAME, '_d');
- var index = 0;
- var offset = 0;
- var buffer, byteLength, length, klass;
- if (!isObject(data)) {
- length = toIndex(data);
- byteLength = length * BYTES;
- buffer = new $ArrayBuffer(byteLength);
- } else if (data instanceof $ArrayBuffer || (klass = classof(data)) == ARRAY_BUFFER || klass == SHARED_BUFFER) {
- buffer = data;
- offset = toOffset($offset, BYTES);
- var $len = data.byteLength;
- if ($length === undefined) {
- if ($len % BYTES) throw RangeError(WRONG_LENGTH);
- byteLength = $len - offset;
- if (byteLength < 0) throw RangeError(WRONG_LENGTH);
- } else {
- byteLength = toLength($length) * BYTES;
- if (byteLength + offset > $len) throw RangeError(WRONG_LENGTH);
- }
- length = byteLength / BYTES;
- } else if (TYPED_ARRAY in data) {
- return fromList(TypedArray, data);
- } else {
- return $from.call(TypedArray, data);
- }
- hide(that, '_d', {
- b: buffer,
- o: offset,
- l: byteLength,
- e: length,
- v: new $DataView(buffer)
- });
- while (index < length) addElement(that, index++);
- });
- TypedArrayPrototype = TypedArray[PROTOTYPE] = create($TypedArrayPrototype$);
- hide(TypedArrayPrototype, 'constructor', TypedArray);
- } else if (!fails(function () {
- TypedArray(1);
- }) || !fails(function () {
- new TypedArray(-1); // eslint-disable-line no-new
- }) || !$iterDetect(function (iter) {
- new TypedArray(); // eslint-disable-line no-new
- new TypedArray(null); // eslint-disable-line no-new
- new TypedArray(1.5); // eslint-disable-line no-new
- new TypedArray(iter); // eslint-disable-line no-new
- }, true)) {
- TypedArray = wrapper(function (that, data, $offset, $length) {
- anInstance(that, TypedArray, NAME);
- var klass;
- // `ws` module bug, temporarily remove validation length for Uint8Array
- // https://github.com/websockets/ws/pull/645
- if (!isObject(data)) return new Base(toIndex(data));
- if (data instanceof $ArrayBuffer || (klass = classof(data)) == ARRAY_BUFFER || klass == SHARED_BUFFER) {
- return $length !== undefined
- ? new Base(data, toOffset($offset, BYTES), $length)
- : $offset !== undefined
- ? new Base(data, toOffset($offset, BYTES))
- : new Base(data);
- }
- if (TYPED_ARRAY in data) return fromList(TypedArray, data);
- return $from.call(TypedArray, data);
- });
- arrayForEach(TAC !== Function.prototype ? gOPN(Base).concat(gOPN(TAC)) : gOPN(Base), function (key) {
- if (!(key in TypedArray)) hide(TypedArray, key, Base[key]);
- });
- TypedArray[PROTOTYPE] = TypedArrayPrototype;
- if (!LIBRARY) TypedArrayPrototype.constructor = TypedArray;
- }
- var $nativeIterator = TypedArrayPrototype[ITERATOR];
- var CORRECT_ITER_NAME = !!$nativeIterator
- && ($nativeIterator.name == 'values' || $nativeIterator.name == undefined);
- var $iterator = $iterators.values;
- hide(TypedArray, TYPED_CONSTRUCTOR, true);
- hide(TypedArrayPrototype, TYPED_ARRAY, NAME);
- hide(TypedArrayPrototype, VIEW, true);
- hide(TypedArrayPrototype, DEF_CONSTRUCTOR, TypedArray);
- if (CLAMPED ? new TypedArray(1)[TAG] != NAME : !(TAG in TypedArrayPrototype)) {
- dP(TypedArrayPrototype, TAG, {
- get: function () { return NAME; }
- });
- }
- O[NAME] = TypedArray;
- $export($export.G + $export.W + $export.F * (TypedArray != Base), O);
- $export($export.S, NAME, {
- BYTES_PER_ELEMENT: BYTES
- });
- $export($export.S + $export.F * fails(function () { Base.of.call(TypedArray, 1); }), NAME, {
- from: $from,
- of: $of
- });
- if (!(BYTES_PER_ELEMENT in TypedArrayPrototype)) hide(TypedArrayPrototype, BYTES_PER_ELEMENT, BYTES);
- $export($export.P, NAME, proto);
- setSpecies(NAME);
- $export($export.P + $export.F * FORCED_SET, NAME, { set: $set });
- $export($export.P + $export.F * !CORRECT_ITER_NAME, NAME, $iterators);
- if (!LIBRARY && TypedArrayPrototype.toString != arrayToString) TypedArrayPrototype.toString = arrayToString;
- $export($export.P + $export.F * fails(function () {
- new TypedArray(1).slice();
- }), NAME, { slice: $slice });
- $export($export.P + $export.F * (fails(function () {
- return [1, 2].toLocaleString() != new TypedArray([1, 2]).toLocaleString();
- }) || !fails(function () {
- TypedArrayPrototype.toLocaleString.call([1, 2]);
- })), NAME, { toLocaleString: $toLocaleString });
- Iterators[NAME] = CORRECT_ITER_NAME ? $nativeIterator : $iterator;
- if (!LIBRARY && !CORRECT_ITER_NAME) hide(TypedArrayPrototype, ITERATOR, $iterator);
- };
- } else module.exports = function () { /* empty */ };
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