aboutsummaryrefslogtreecommitdiff
path: root/node_modules/fbjs/lib/enumerate.js
diff options
context:
space:
mode:
Diffstat (limited to 'node_modules/fbjs/lib/enumerate.js')
-rw-r--r--node_modules/fbjs/lib/enumerate.js305
1 files changed, 0 insertions, 305 deletions
diff --git a/node_modules/fbjs/lib/enumerate.js b/node_modules/fbjs/lib/enumerate.js
deleted file mode 100644
index 1066042e6..000000000
--- a/node_modules/fbjs/lib/enumerate.js
+++ /dev/null
@@ -1,305 +0,0 @@
-'use strict';
-
-var _assign = require('object-assign');
-
-function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
-
-/**
- * Copyright (c) 2013-present, Facebook, Inc.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- *
- */
-
-var KIND_KEYS = 'keys';
-var KIND_VALUES = 'values';
-var KIND_ENTRIES = 'entries';
-
-/**
- * Specific Array iterators.
- */
-var ArrayIterators = function () {
-
- var hasNative = hasNativeIterator(Array);
- var ArrayIterator = void 0;
-
- if (!hasNative) {
- ArrayIterator = function () {
- // 22.1.5.1 CreateArrayIterator Abstract Operation
- function ArrayIterator(array, kind) {
- _classCallCheck(this, ArrayIterator);
-
- this._iteratedObject = array;
- this._kind = kind;
- this._nextIndex = 0;
- }
-
- // 22.1.5.2.1 %ArrayIteratorPrototype%.next()
-
-
- ArrayIterator.prototype.next = function next() {
- if (this._iteratedObject == null) {
- return { value: undefined, done: true };
- }
-
- var array = this._iteratedObject;
- var len = this._iteratedObject.length;
- var index = this._nextIndex;
- var kind = this._kind;
-
- if (index >= len) {
- this._iteratedObject = undefined;
- return { value: undefined, done: true };
- }
-
- this._nextIndex = index + 1;
-
- if (kind === KIND_KEYS) {
- return { value: index, done: false };
- } else if (kind === KIND_VALUES) {
- return { value: array[index], done: false };
- } else if (kind === KIND_ENTRIES) {
- return { value: [index, array[index]], done: false };
- }
- };
-
- // 22.1.5.2.2 %ArrayIteratorPrototype%[@@iterator]()
-
-
- ArrayIterator.prototype[Symbol.iterator] = function () {
- return this;
- };
-
- return ArrayIterator;
- }();
- }
-
- return {
- keys: hasNative ? function (array) {
- return array.keys();
- } : function (array) {
- return new ArrayIterator(array, KIND_KEYS);
- },
-
- values: hasNative ? function (array) {
- return array.values();
- } : function (array) {
- return new ArrayIterator(array, KIND_VALUES);
- },
-
- entries: hasNative ? function (array) {
- return array.entries();
- } : function (array) {
- return new ArrayIterator(array, KIND_ENTRIES);
- }
- };
-}();
-
-// -----------------------------------------------------------------
-
-/**
- * Specific String iterators.
- */
-var StringIterators = function () {
-
- var hasNative = hasNativeIterator(String);
- var StringIterator = void 0;
-
- if (!hasNative) {
- StringIterator = function () {
- // 21.1.5.1 CreateStringIterator Abstract Operation
- function StringIterator(string) {
- _classCallCheck(this, StringIterator);
-
- this._iteratedString = string;
- this._nextIndex = 0;
- }
-
- // 21.1.5.2.1 %StringIteratorPrototype%.next()
-
-
- StringIterator.prototype.next = function next() {
- if (this._iteratedString == null) {
- return { value: undefined, done: true };
- }
-
- var index = this._nextIndex;
- var s = this._iteratedString;
- var len = s.length;
-
- if (index >= len) {
- this._iteratedString = undefined;
- return { value: undefined, done: true };
- }
-
- var ret = void 0;
- var first = s.charCodeAt(index);
-
- if (first < 0xD800 || first > 0xDBFF || index + 1 === len) {
- ret = s[index];
- } else {
- var second = s.charCodeAt(index + 1);
- if (second < 0xDC00 || second > 0xDFFF) {
- ret = s[index];
- } else {
- ret = s[index] + s[index + 1];
- }
- }
-
- this._nextIndex = index + ret.length;
-
- return { value: ret, done: false };
- };
-
- // 21.1.5.2.2 %StringIteratorPrototype%[@@iterator]()
-
-
- StringIterator.prototype[Symbol.iterator] = function () {
- return this;
- };
-
- return StringIterator;
- }();
- }
-
- return {
- keys: function keys() {
- throw TypeError('Strings default iterator doesn\'t implement keys.');
- },
-
-
- values: hasNative ? function (string) {
- return string[Symbol.iterator]();
- } : function (string) {
- return new StringIterator(string);
- },
-
- entries: function entries() {
- throw TypeError('Strings default iterator doesn\'t implement entries.');
- }
- };
-}();
-
-function hasNativeIterator(classObject) {
- return typeof classObject.prototype[Symbol.iterator] === 'function' && typeof classObject.prototype.values === 'function' && typeof classObject.prototype.keys === 'function' && typeof classObject.prototype.entries === 'function';
-}
-
-// -----------------------------------------------------------------
-
-/**
- * Generic object iterator.
- */
-
-var ObjectIterator = function () {
- function ObjectIterator(object, kind) {
- _classCallCheck(this, ObjectIterator);
-
- this._iteratedObject = object;
- this._kind = kind;
- this._keys = Object.keys(object);
- this._nextIndex = 0;
- }
-
- ObjectIterator.prototype.next = function next() {
- var len = this._keys.length;
- var index = this._nextIndex;
- var kind = this._kind;
- var key = this._keys[index];
-
- if (index >= len) {
- this._iteratedObject = undefined;
- return { value: undefined, done: true };
- }
-
- this._nextIndex = index + 1;
-
- if (kind === KIND_KEYS) {
- return { value: key, done: false };
- } else if (kind === KIND_VALUES) {
- return { value: this._iteratedObject[key], done: false };
- } else if (kind === KIND_ENTRIES) {
- return { value: [key, this._iteratedObject[key]], done: false };
- }
- };
-
- ObjectIterator.prototype[Symbol.iterator] = function () {
- return this;
- };
-
- return ObjectIterator;
-}();
-
-/**
- * Generic object iterator, iterates over all own enumerable
- * properties. Used only if if no specific iterator is available,
- * and object don't implement iterator protocol.
- */
-
-
-var GenericIterators = {
- keys: function keys(object) {
- return new ObjectIterator(object, KIND_KEYS);
- },
- values: function values(object) {
- return new ObjectIterator(object, KIND_VALUES);
- },
- entries: function entries(object) {
- return new ObjectIterator(object, KIND_ENTRIES);
- }
-};
-
-// -----------------------------------------------------------------
-
-/**
- * Main iterator function. Returns default iterator based
- * on the class of an instance.
- */
-function enumerate(object, kind) {
-
- // First check specific iterators.
- if (typeof object === 'string') {
- return StringIterators[kind || KIND_VALUES](object);
- } else if (Array.isArray(object)) {
- return ArrayIterators[kind || KIND_VALUES](object);
-
- // Then see if an object implements own.
- } else if (object[Symbol.iterator]) {
- return object[Symbol.iterator]();
-
- // And fallback to generic with entries.
- } else {
- return GenericIterators[kind || KIND_ENTRIES](object);
- }
-}
-
-_assign(enumerate, {
- /**
- * Export constants
- */
-
- KIND_KEYS: KIND_KEYS,
- KIND_VALUES: KIND_VALUES,
- KIND_ENTRIES: KIND_ENTRIES,
-
- /**
- * Convenient explicit iterators for special kinds.
- */
-
- keys: function keys(object) {
- return enumerate(object, KIND_KEYS);
- },
- values: function values(object) {
- return enumerate(object, KIND_VALUES);
- },
- entries: function entries(object) {
- return enumerate(object, KIND_ENTRIES);
- },
-
-
- generic: GenericIterators.entries
-
-});
-
-module.exports = enumerate; \ No newline at end of file
generated by cgit v1.2.3 (git 2.39.1) at 2025-09-12 17:57:27 +0000