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authorFlorian Dold <florian.dold@gmail.com>2017-10-14 18:40:54 +0200
committerFlorian Dold <florian.dold@gmail.com>2017-10-14 18:40:54 +0200
commit9df98e65f842cf3acae09cbdd969966f42d64469 (patch)
treef071d3e09a342c208fb8e1cd3f5241d64fbfbaf3 /node_modules/react/lib/ReactElement.js
parent008926b18470e7f394cd640302957b29728a9803 (diff)
update dependencies
Diffstat (limited to 'node_modules/react/lib/ReactElement.js')
-rw-r--r--node_modules/react/lib/ReactElement.js340
1 files changed, 0 insertions, 340 deletions
diff --git a/node_modules/react/lib/ReactElement.js b/node_modules/react/lib/ReactElement.js
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--- a/node_modules/react/lib/ReactElement.js
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@@ -1,340 +0,0 @@
-/**
- * Copyright 2014-present, Facebook, Inc.
- * All rights reserved.
- *
- * This source code is licensed under the BSD-style license found in the
- * LICENSE file in the root directory of this source tree. An additional grant
- * of patent rights can be found in the PATENTS file in the same directory.
- *
- */
-
-'use strict';
-
-var _assign = require('object-assign');
-
-var ReactCurrentOwner = require('./ReactCurrentOwner');
-
-var warning = require('fbjs/lib/warning');
-var canDefineProperty = require('./canDefineProperty');
-var hasOwnProperty = Object.prototype.hasOwnProperty;
-
-var REACT_ELEMENT_TYPE = require('./ReactElementSymbol');
-
-var RESERVED_PROPS = {
- key: true,
- ref: true,
- __self: true,
- __source: true
-};
-
-var specialPropKeyWarningShown, specialPropRefWarningShown;
-
-function hasValidRef(config) {
- if (process.env.NODE_ENV !== 'production') {
- if (hasOwnProperty.call(config, 'ref')) {
- var getter = Object.getOwnPropertyDescriptor(config, 'ref').get;
- if (getter && getter.isReactWarning) {
- return false;
- }
- }
- }
- return config.ref !== undefined;
-}
-
-function hasValidKey(config) {
- if (process.env.NODE_ENV !== 'production') {
- if (hasOwnProperty.call(config, 'key')) {
- var getter = Object.getOwnPropertyDescriptor(config, 'key').get;
- if (getter && getter.isReactWarning) {
- return false;
- }
- }
- }
- return config.key !== undefined;
-}
-
-function defineKeyPropWarningGetter(props, displayName) {
- var warnAboutAccessingKey = function () {
- if (!specialPropKeyWarningShown) {
- specialPropKeyWarningShown = true;
- process.env.NODE_ENV !== 'production' ? warning(false, '%s: `key` is not a prop. Trying to access it will result ' + 'in `undefined` being returned. If you need to access the same ' + 'value within the child component, you should pass it as a different ' + 'prop. (https://fb.me/react-special-props)', displayName) : void 0;
- }
- };
- warnAboutAccessingKey.isReactWarning = true;
- Object.defineProperty(props, 'key', {
- get: warnAboutAccessingKey,
- configurable: true
- });
-}
-
-function defineRefPropWarningGetter(props, displayName) {
- var warnAboutAccessingRef = function () {
- if (!specialPropRefWarningShown) {
- specialPropRefWarningShown = true;
- process.env.NODE_ENV !== 'production' ? warning(false, '%s: `ref` is not a prop. Trying to access it will result ' + 'in `undefined` being returned. If you need to access the same ' + 'value within the child component, you should pass it as a different ' + 'prop. (https://fb.me/react-special-props)', displayName) : void 0;
- }
- };
- warnAboutAccessingRef.isReactWarning = true;
- Object.defineProperty(props, 'ref', {
- get: warnAboutAccessingRef,
- configurable: true
- });
-}
-
-/**
- * Factory method to create a new React element. This no longer adheres to
- * the class pattern, so do not use new to call it. Also, no instanceof check
- * will work. Instead test $$typeof field against Symbol.for('react.element') to check
- * if something is a React Element.
- *
- * @param {*} type
- * @param {*} key
- * @param {string|object} ref
- * @param {*} self A *temporary* helper to detect places where `this` is
- * different from the `owner` when React.createElement is called, so that we
- * can warn. We want to get rid of owner and replace string `ref`s with arrow
- * functions, and as long as `this` and owner are the same, there will be no
- * change in behavior.
- * @param {*} source An annotation object (added by a transpiler or otherwise)
- * indicating filename, line number, and/or other information.
- * @param {*} owner
- * @param {*} props
- * @internal
- */
-var ReactElement = function (type, key, ref, self, source, owner, props) {
- var element = {
- // This tag allow us to uniquely identify this as a React Element
- $$typeof: REACT_ELEMENT_TYPE,
-
- // Built-in properties that belong on the element
- type: type,
- key: key,
- ref: ref,
- props: props,
-
- // Record the component responsible for creating this element.
- _owner: owner
- };
-
- if (process.env.NODE_ENV !== 'production') {
- // The validation flag is currently mutative. We put it on
- // an external backing store so that we can freeze the whole object.
- // This can be replaced with a WeakMap once they are implemented in
- // commonly used development environments.
- element._store = {};
-
- // To make comparing ReactElements easier for testing purposes, we make
- // the validation flag non-enumerable (where possible, which should
- // include every environment we run tests in), so the test framework
- // ignores it.
- if (canDefineProperty) {
- Object.defineProperty(element._store, 'validated', {
- configurable: false,
- enumerable: false,
- writable: true,
- value: false
- });
- // self and source are DEV only properties.
- Object.defineProperty(element, '_self', {
- configurable: false,
- enumerable: false,
- writable: false,
- value: self
- });
- // Two elements created in two different places should be considered
- // equal for testing purposes and therefore we hide it from enumeration.
- Object.defineProperty(element, '_source', {
- configurable: false,
- enumerable: false,
- writable: false,
- value: source
- });
- } else {
- element._store.validated = false;
- element._self = self;
- element._source = source;
- }
- if (Object.freeze) {
- Object.freeze(element.props);
- Object.freeze(element);
- }
- }
-
- return element;
-};
-
-/**
- * Create and return a new ReactElement of the given type.
- * See https://facebook.github.io/react/docs/top-level-api.html#react.createelement
- */
-ReactElement.createElement = function (type, config, children) {
- var propName;
-
- // Reserved names are extracted
- var props = {};
-
- var key = null;
- var ref = null;
- var self = null;
- var source = null;
-
- if (config != null) {
- if (hasValidRef(config)) {
- ref = config.ref;
- }
- if (hasValidKey(config)) {
- key = '' + config.key;
- }
-
- self = config.__self === undefined ? null : config.__self;
- source = config.__source === undefined ? null : config.__source;
- // Remaining properties are added to a new props object
- for (propName in config) {
- if (hasOwnProperty.call(config, propName) && !RESERVED_PROPS.hasOwnProperty(propName)) {
- props[propName] = config[propName];
- }
- }
- }
-
- // Children can be more than one argument, and those are transferred onto
- // the newly allocated props object.
- var childrenLength = arguments.length - 2;
- if (childrenLength === 1) {
- props.children = children;
- } else if (childrenLength > 1) {
- var childArray = Array(childrenLength);
- for (var i = 0; i < childrenLength; i++) {
- childArray[i] = arguments[i + 2];
- }
- if (process.env.NODE_ENV !== 'production') {
- if (Object.freeze) {
- Object.freeze(childArray);
- }
- }
- props.children = childArray;
- }
-
- // Resolve default props
- if (type && type.defaultProps) {
- var defaultProps = type.defaultProps;
- for (propName in defaultProps) {
- if (props[propName] === undefined) {
- props[propName] = defaultProps[propName];
- }
- }
- }
- if (process.env.NODE_ENV !== 'production') {
- if (key || ref) {
- if (typeof props.$$typeof === 'undefined' || props.$$typeof !== REACT_ELEMENT_TYPE) {
- var displayName = typeof type === 'function' ? type.displayName || type.name || 'Unknown' : type;
- if (key) {
- defineKeyPropWarningGetter(props, displayName);
- }
- if (ref) {
- defineRefPropWarningGetter(props, displayName);
- }
- }
- }
- }
- return ReactElement(type, key, ref, self, source, ReactCurrentOwner.current, props);
-};
-
-/**
- * Return a function that produces ReactElements of a given type.
- * See https://facebook.github.io/react/docs/top-level-api.html#react.createfactory
- */
-ReactElement.createFactory = function (type) {
- var factory = ReactElement.createElement.bind(null, type);
- // Expose the type on the factory and the prototype so that it can be
- // easily accessed on elements. E.g. `<Foo />.type === Foo`.
- // This should not be named `constructor` since this may not be the function
- // that created the element, and it may not even be a constructor.
- // Legacy hook TODO: Warn if this is accessed
- factory.type = type;
- return factory;
-};
-
-ReactElement.cloneAndReplaceKey = function (oldElement, newKey) {
- var newElement = ReactElement(oldElement.type, newKey, oldElement.ref, oldElement._self, oldElement._source, oldElement._owner, oldElement.props);
-
- return newElement;
-};
-
-/**
- * Clone and return a new ReactElement using element as the starting point.
- * See https://facebook.github.io/react/docs/top-level-api.html#react.cloneelement
- */
-ReactElement.cloneElement = function (element, config, children) {
- var propName;
-
- // Original props are copied
- var props = _assign({}, element.props);
-
- // Reserved names are extracted
- var key = element.key;
- var ref = element.ref;
- // Self is preserved since the owner is preserved.
- var self = element._self;
- // Source is preserved since cloneElement is unlikely to be targeted by a
- // transpiler, and the original source is probably a better indicator of the
- // true owner.
- var source = element._source;
-
- // Owner will be preserved, unless ref is overridden
- var owner = element._owner;
-
- if (config != null) {
- if (hasValidRef(config)) {
- // Silently steal the ref from the parent.
- ref = config.ref;
- owner = ReactCurrentOwner.current;
- }
- if (hasValidKey(config)) {
- key = '' + config.key;
- }
-
- // Remaining properties override existing props
- var defaultProps;
- if (element.type && element.type.defaultProps) {
- defaultProps = element.type.defaultProps;
- }
- for (propName in config) {
- if (hasOwnProperty.call(config, propName) && !RESERVED_PROPS.hasOwnProperty(propName)) {
- if (config[propName] === undefined && defaultProps !== undefined) {
- // Resolve default props
- props[propName] = defaultProps[propName];
- } else {
- props[propName] = config[propName];
- }
- }
- }
- }
-
- // Children can be more than one argument, and those are transferred onto
- // the newly allocated props object.
- var childrenLength = arguments.length - 2;
- if (childrenLength === 1) {
- props.children = children;
- } else if (childrenLength > 1) {
- var childArray = Array(childrenLength);
- for (var i = 0; i < childrenLength; i++) {
- childArray[i] = arguments[i + 2];
- }
- props.children = childArray;
- }
-
- return ReactElement(element.type, key, ref, self, source, owner, props);
-};
-
-/**
- * Verifies the object is a ReactElement.
- * See https://facebook.github.io/react/docs/top-level-api.html#react.isvalidelement
- * @param {?object} object
- * @return {boolean} True if `object` is a valid component.
- * @final
- */
-ReactElement.isValidElement = function (object) {
- return typeof object === 'object' && object !== null && object.$$typeof === REACT_ELEMENT_TYPE;
-};
-
-module.exports = ReactElement; \ No newline at end of file