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author | Florian Dold <florian.dold@gmail.com> | 2017-10-14 18:40:54 +0200 |
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committer | Florian Dold <florian.dold@gmail.com> | 2017-10-14 18:40:54 +0200 |
commit | 9df98e65f842cf3acae09cbdd969966f42d64469 (patch) | |
tree | f071d3e09a342c208fb8e1cd3f5241d64fbfbaf3 /node_modules/react/lib/ReactElement.js | |
parent | 008926b18470e7f394cd640302957b29728a9803 (diff) |
update dependencies
Diffstat (limited to 'node_modules/react/lib/ReactElement.js')
-rw-r--r-- | node_modules/react/lib/ReactElement.js | 340 |
1 files changed, 0 insertions, 340 deletions
diff --git a/node_modules/react/lib/ReactElement.js b/node_modules/react/lib/ReactElement.js deleted file mode 100644 index 97f4bf01a..000000000 --- a/node_modules/react/lib/ReactElement.js +++ /dev/null @@ -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;
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