1358 lines
44 KiB
JavaScript
1358 lines
44 KiB
JavaScript
/** @license React v16.2.0
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* react.development.js
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*
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* Copyright (c) 2013-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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'use strict';
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if (process.env.NODE_ENV !== "production") {
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(function() {
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'use strict';
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var _assign = require('object-assign');
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var emptyObject = require('fbjs/lib/emptyObject');
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var invariant = require('fbjs/lib/invariant');
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var warning = require('fbjs/lib/warning');
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var emptyFunction = require('fbjs/lib/emptyFunction');
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var checkPropTypes = require('prop-types/checkPropTypes');
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// TODO: this is special because it gets imported during build.
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var ReactVersion = '16.2.0';
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// The Symbol used to tag the ReactElement-like types. If there is no native Symbol
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// nor polyfill, then a plain number is used for performance.
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var hasSymbol = typeof Symbol === 'function' && Symbol['for'];
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var REACT_ELEMENT_TYPE = hasSymbol ? Symbol['for']('react.element') : 0xeac7;
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var REACT_CALL_TYPE = hasSymbol ? Symbol['for']('react.call') : 0xeac8;
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var REACT_RETURN_TYPE = hasSymbol ? Symbol['for']('react.return') : 0xeac9;
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var REACT_PORTAL_TYPE = hasSymbol ? Symbol['for']('react.portal') : 0xeaca;
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var REACT_FRAGMENT_TYPE = hasSymbol ? Symbol['for']('react.fragment') : 0xeacb;
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var MAYBE_ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator;
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var FAUX_ITERATOR_SYMBOL = '@@iterator';
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function getIteratorFn(maybeIterable) {
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if (maybeIterable === null || typeof maybeIterable === 'undefined') {
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return null;
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}
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var maybeIterator = MAYBE_ITERATOR_SYMBOL && maybeIterable[MAYBE_ITERATOR_SYMBOL] || maybeIterable[FAUX_ITERATOR_SYMBOL];
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if (typeof maybeIterator === 'function') {
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return maybeIterator;
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}
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return null;
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}
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/**
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* WARNING: DO NOT manually require this module.
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* This is a replacement for `invariant(...)` used by the error code system
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* and will _only_ be required by the corresponding babel pass.
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* It always throws.
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*/
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/**
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* Forked from fbjs/warning:
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* https://github.com/facebook/fbjs/blob/e66ba20ad5be433eb54423f2b097d829324d9de6/packages/fbjs/src/__forks__/warning.js
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*
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* Only change is we use console.warn instead of console.error,
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* and do nothing when 'console' is not supported.
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* This really simplifies the code.
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* ---
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* Similar to invariant but only logs a warning if the condition is not met.
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* This can be used to log issues in development environments in critical
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* paths. Removing the logging code for production environments will keep the
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* same logic and follow the same code paths.
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*/
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var lowPriorityWarning = function () {};
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{
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var printWarning = function (format) {
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for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
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args[_key - 1] = arguments[_key];
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}
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var argIndex = 0;
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var message = 'Warning: ' + format.replace(/%s/g, function () {
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return args[argIndex++];
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});
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if (typeof console !== 'undefined') {
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console.warn(message);
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}
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try {
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// --- Welcome to debugging React ---
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// This error was thrown as a convenience so that you can use this stack
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// to find the callsite that caused this warning to fire.
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throw new Error(message);
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} catch (x) {}
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};
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lowPriorityWarning = function (condition, format) {
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if (format === undefined) {
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throw new Error('`warning(condition, format, ...args)` requires a warning ' + 'message argument');
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}
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if (!condition) {
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for (var _len2 = arguments.length, args = Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) {
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args[_key2 - 2] = arguments[_key2];
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}
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printWarning.apply(undefined, [format].concat(args));
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}
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};
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}
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var lowPriorityWarning$1 = lowPriorityWarning;
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var didWarnStateUpdateForUnmountedComponent = {};
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function warnNoop(publicInstance, callerName) {
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{
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var constructor = publicInstance.constructor;
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var componentName = constructor && (constructor.displayName || constructor.name) || 'ReactClass';
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var warningKey = componentName + '.' + callerName;
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if (didWarnStateUpdateForUnmountedComponent[warningKey]) {
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return;
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}
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warning(false, '%s(...): Can only update a mounted or mounting component. ' + 'This usually means you called %s() on an unmounted component. ' + 'This is a no-op.\n\nPlease check the code for the %s component.', callerName, callerName, componentName);
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didWarnStateUpdateForUnmountedComponent[warningKey] = true;
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}
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}
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/**
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* This is the abstract API for an update queue.
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*/
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var ReactNoopUpdateQueue = {
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/**
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* Checks whether or not this composite component is mounted.
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* @param {ReactClass} publicInstance The instance we want to test.
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* @return {boolean} True if mounted, false otherwise.
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* @protected
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* @final
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*/
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isMounted: function (publicInstance) {
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return false;
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},
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/**
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* Forces an update. This should only be invoked when it is known with
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* certainty that we are **not** in a DOM transaction.
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*
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* You may want to call this when you know that some deeper aspect of the
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* component's state has changed but `setState` was not called.
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*
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* This will not invoke `shouldComponentUpdate`, but it will invoke
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* `componentWillUpdate` and `componentDidUpdate`.
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*
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* @param {ReactClass} publicInstance The instance that should rerender.
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* @param {?function} callback Called after component is updated.
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* @param {?string} callerName name of the calling function in the public API.
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* @internal
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*/
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enqueueForceUpdate: function (publicInstance, callback, callerName) {
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warnNoop(publicInstance, 'forceUpdate');
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},
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/**
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* Replaces all of the state. Always use this or `setState` to mutate state.
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* You should treat `this.state` as immutable.
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*
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* There is no guarantee that `this.state` will be immediately updated, so
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* accessing `this.state` after calling this method may return the old value.
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*
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* @param {ReactClass} publicInstance The instance that should rerender.
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* @param {object} completeState Next state.
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* @param {?function} callback Called after component is updated.
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* @param {?string} callerName name of the calling function in the public API.
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* @internal
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*/
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enqueueReplaceState: function (publicInstance, completeState, callback, callerName) {
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warnNoop(publicInstance, 'replaceState');
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},
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/**
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* Sets a subset of the state. This only exists because _pendingState is
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* internal. This provides a merging strategy that is not available to deep
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* properties which is confusing. TODO: Expose pendingState or don't use it
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* during the merge.
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*
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* @param {ReactClass} publicInstance The instance that should rerender.
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* @param {object} partialState Next partial state to be merged with state.
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* @param {?function} callback Called after component is updated.
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* @param {?string} Name of the calling function in the public API.
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* @internal
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*/
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enqueueSetState: function (publicInstance, partialState, callback, callerName) {
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warnNoop(publicInstance, 'setState');
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}
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};
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/**
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* Base class helpers for the updating state of a component.
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*/
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function Component(props, context, updater) {
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this.props = props;
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this.context = context;
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this.refs = emptyObject;
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// We initialize the default updater but the real one gets injected by the
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// renderer.
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this.updater = updater || ReactNoopUpdateQueue;
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}
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Component.prototype.isReactComponent = {};
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/**
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* Sets a subset of the state. Always use this to mutate
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* state. You should treat `this.state` as immutable.
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*
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* There is no guarantee that `this.state` will be immediately updated, so
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* accessing `this.state` after calling this method may return the old value.
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*
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* There is no guarantee that calls to `setState` will run synchronously,
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* as they may eventually be batched together. You can provide an optional
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* callback that will be executed when the call to setState is actually
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* completed.
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*
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* When a function is provided to setState, it will be called at some point in
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* the future (not synchronously). It will be called with the up to date
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* component arguments (state, props, context). These values can be different
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* from this.* because your function may be called after receiveProps but before
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* shouldComponentUpdate, and this new state, props, and context will not yet be
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* assigned to this.
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*
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* @param {object|function} partialState Next partial state or function to
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* produce next partial state to be merged with current state.
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* @param {?function} callback Called after state is updated.
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* @final
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* @protected
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*/
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Component.prototype.setState = function (partialState, callback) {
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!(typeof partialState === 'object' || typeof partialState === 'function' || partialState == null) ? invariant(false, 'setState(...): takes an object of state variables to update or a function which returns an object of state variables.') : void 0;
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this.updater.enqueueSetState(this, partialState, callback, 'setState');
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};
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/**
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* Forces an update. This should only be invoked when it is known with
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* certainty that we are **not** in a DOM transaction.
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*
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* You may want to call this when you know that some deeper aspect of the
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* component's state has changed but `setState` was not called.
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*
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* This will not invoke `shouldComponentUpdate`, but it will invoke
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* `componentWillUpdate` and `componentDidUpdate`.
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*
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* @param {?function} callback Called after update is complete.
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* @final
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* @protected
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*/
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Component.prototype.forceUpdate = function (callback) {
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this.updater.enqueueForceUpdate(this, callback, 'forceUpdate');
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};
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/**
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* Deprecated APIs. These APIs used to exist on classic React classes but since
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* we would like to deprecate them, we're not going to move them over to this
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* modern base class. Instead, we define a getter that warns if it's accessed.
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*/
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{
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var deprecatedAPIs = {
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isMounted: ['isMounted', 'Instead, make sure to clean up subscriptions and pending requests in ' + 'componentWillUnmount to prevent memory leaks.'],
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replaceState: ['replaceState', 'Refactor your code to use setState instead (see ' + 'https://github.com/facebook/react/issues/3236).']
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};
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var defineDeprecationWarning = function (methodName, info) {
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Object.defineProperty(Component.prototype, methodName, {
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get: function () {
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lowPriorityWarning$1(false, '%s(...) is deprecated in plain JavaScript React classes. %s', info[0], info[1]);
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return undefined;
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}
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});
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};
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for (var fnName in deprecatedAPIs) {
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if (deprecatedAPIs.hasOwnProperty(fnName)) {
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defineDeprecationWarning(fnName, deprecatedAPIs[fnName]);
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}
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}
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}
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/**
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* Base class helpers for the updating state of a component.
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*/
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function PureComponent(props, context, updater) {
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// Duplicated from Component.
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this.props = props;
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this.context = context;
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this.refs = emptyObject;
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// We initialize the default updater but the real one gets injected by the
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// renderer.
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this.updater = updater || ReactNoopUpdateQueue;
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}
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function ComponentDummy() {}
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ComponentDummy.prototype = Component.prototype;
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var pureComponentPrototype = PureComponent.prototype = new ComponentDummy();
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pureComponentPrototype.constructor = PureComponent;
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// Avoid an extra prototype jump for these methods.
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_assign(pureComponentPrototype, Component.prototype);
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pureComponentPrototype.isPureReactComponent = true;
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function AsyncComponent(props, context, updater) {
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// Duplicated from Component.
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this.props = props;
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this.context = context;
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this.refs = emptyObject;
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// We initialize the default updater but the real one gets injected by the
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// renderer.
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this.updater = updater || ReactNoopUpdateQueue;
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}
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var asyncComponentPrototype = AsyncComponent.prototype = new ComponentDummy();
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asyncComponentPrototype.constructor = AsyncComponent;
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// Avoid an extra prototype jump for these methods.
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_assign(asyncComponentPrototype, Component.prototype);
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asyncComponentPrototype.unstable_isAsyncReactComponent = true;
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asyncComponentPrototype.render = function () {
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return this.props.children;
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};
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/**
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* Keeps track of the current owner.
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*
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* The current owner is the component who should own any components that are
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* currently being constructed.
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*/
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var ReactCurrentOwner = {
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/**
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* @internal
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* @type {ReactComponent}
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*/
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current: null
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};
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var hasOwnProperty = Object.prototype.hasOwnProperty;
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var RESERVED_PROPS = {
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key: true,
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ref: true,
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__self: true,
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__source: true
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};
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var specialPropKeyWarningShown;
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var specialPropRefWarningShown;
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function hasValidRef(config) {
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{
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if (hasOwnProperty.call(config, 'ref')) {
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var getter = Object.getOwnPropertyDescriptor(config, 'ref').get;
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if (getter && getter.isReactWarning) {
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return false;
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}
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}
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}
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return config.ref !== undefined;
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}
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function hasValidKey(config) {
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{
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if (hasOwnProperty.call(config, 'key')) {
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var getter = Object.getOwnPropertyDescriptor(config, 'key').get;
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if (getter && getter.isReactWarning) {
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return false;
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}
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}
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}
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return config.key !== undefined;
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}
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function defineKeyPropWarningGetter(props, displayName) {
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var warnAboutAccessingKey = function () {
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if (!specialPropKeyWarningShown) {
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specialPropKeyWarningShown = true;
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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);
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}
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};
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warnAboutAccessingKey.isReactWarning = true;
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Object.defineProperty(props, 'key', {
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get: warnAboutAccessingKey,
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configurable: true
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});
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}
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function defineRefPropWarningGetter(props, displayName) {
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var warnAboutAccessingRef = function () {
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if (!specialPropRefWarningShown) {
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specialPropRefWarningShown = true;
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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);
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}
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};
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warnAboutAccessingRef.isReactWarning = true;
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Object.defineProperty(props, 'ref', {
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get: warnAboutAccessingRef,
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configurable: true
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});
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}
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/**
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* Factory method to create a new React element. This no longer adheres to
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* the class pattern, so do not use new to call it. Also, no instanceof check
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* will work. Instead test $$typeof field against Symbol.for('react.element') to check
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* if something is a React Element.
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*
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* @param {*} type
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* @param {*} key
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* @param {string|object} ref
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* @param {*} self A *temporary* helper to detect places where `this` is
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* different from the `owner` when React.createElement is called, so that we
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* can warn. We want to get rid of owner and replace string `ref`s with arrow
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* functions, and as long as `this` and owner are the same, there will be no
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* change in behavior.
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* @param {*} source An annotation object (added by a transpiler or otherwise)
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* indicating filename, line number, and/or other information.
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* @param {*} owner
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* @param {*} props
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* @internal
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*/
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var ReactElement = function (type, key, ref, self, source, owner, props) {
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var element = {
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// This tag allow us to uniquely identify this as a React Element
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$$typeof: REACT_ELEMENT_TYPE,
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// Built-in properties that belong on the element
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type: type,
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key: key,
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ref: ref,
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props: props,
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// Record the component responsible for creating this element.
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_owner: owner
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};
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{
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// The validation flag is currently mutative. We put it on
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// an external backing store so that we can freeze the whole object.
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// This can be replaced with a WeakMap once they are implemented in
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// commonly used development environments.
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element._store = {};
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// To make comparing ReactElements easier for testing purposes, we make
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// the validation flag non-enumerable (where possible, which should
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// include every environment we run tests in), so the test framework
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// ignores it.
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Object.defineProperty(element._store, 'validated', {
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configurable: false,
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enumerable: false,
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writable: true,
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value: false
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});
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// self and source are DEV only properties.
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Object.defineProperty(element, '_self', {
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configurable: false,
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enumerable: false,
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writable: false,
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value: self
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});
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// Two elements created in two different places should be considered
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// equal for testing purposes and therefore we hide it from enumeration.
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Object.defineProperty(element, '_source', {
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configurable: false,
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enumerable: false,
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writable: false,
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value: source
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});
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if (Object.freeze) {
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Object.freeze(element.props);
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Object.freeze(element);
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}
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}
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return element;
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};
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/**
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* Create and return a new ReactElement of the given type.
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* See https://reactjs.org/docs/react-api.html#createelement
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*/
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function createElement(type, config, children) {
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var propName;
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// Reserved names are extracted
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var props = {};
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var key = null;
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var ref = null;
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var self = null;
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var source = null;
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if (config != null) {
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if (hasValidRef(config)) {
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ref = config.ref;
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}
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if (hasValidKey(config)) {
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key = '' + config.key;
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}
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self = config.__self === undefined ? null : config.__self;
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source = config.__source === undefined ? null : config.__source;
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// Remaining properties are added to a new props object
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for (propName in config) {
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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 (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 (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://reactjs.org/docs/react-api.html#createfactory
|
|
*/
|
|
|
|
|
|
function cloneAndReplaceKey(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://reactjs.org/docs/react-api.html#cloneelement
|
|
*/
|
|
function cloneElement(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://reactjs.org/docs/react-api.html#isvalidelement
|
|
* @param {?object} object
|
|
* @return {boolean} True if `object` is a valid component.
|
|
* @final
|
|
*/
|
|
function isValidElement(object) {
|
|
return typeof object === 'object' && object !== null && object.$$typeof === REACT_ELEMENT_TYPE;
|
|
}
|
|
|
|
var ReactDebugCurrentFrame = {};
|
|
|
|
{
|
|
// Component that is being worked on
|
|
ReactDebugCurrentFrame.getCurrentStack = null;
|
|
|
|
ReactDebugCurrentFrame.getStackAddendum = function () {
|
|
var impl = ReactDebugCurrentFrame.getCurrentStack;
|
|
if (impl) {
|
|
return impl();
|
|
}
|
|
return null;
|
|
};
|
|
}
|
|
|
|
var SEPARATOR = '.';
|
|
var SUBSEPARATOR = ':';
|
|
|
|
/**
|
|
* Escape and wrap key so it is safe to use as a reactid
|
|
*
|
|
* @param {string} key to be escaped.
|
|
* @return {string} the escaped key.
|
|
*/
|
|
function escape(key) {
|
|
var escapeRegex = /[=:]/g;
|
|
var escaperLookup = {
|
|
'=': '=0',
|
|
':': '=2'
|
|
};
|
|
var escapedString = ('' + key).replace(escapeRegex, function (match) {
|
|
return escaperLookup[match];
|
|
});
|
|
|
|
return '$' + escapedString;
|
|
}
|
|
|
|
/**
|
|
* TODO: Test that a single child and an array with one item have the same key
|
|
* pattern.
|
|
*/
|
|
|
|
var didWarnAboutMaps = false;
|
|
|
|
var userProvidedKeyEscapeRegex = /\/+/g;
|
|
function escapeUserProvidedKey(text) {
|
|
return ('' + text).replace(userProvidedKeyEscapeRegex, '$&/');
|
|
}
|
|
|
|
var POOL_SIZE = 10;
|
|
var traverseContextPool = [];
|
|
function getPooledTraverseContext(mapResult, keyPrefix, mapFunction, mapContext) {
|
|
if (traverseContextPool.length) {
|
|
var traverseContext = traverseContextPool.pop();
|
|
traverseContext.result = mapResult;
|
|
traverseContext.keyPrefix = keyPrefix;
|
|
traverseContext.func = mapFunction;
|
|
traverseContext.context = mapContext;
|
|
traverseContext.count = 0;
|
|
return traverseContext;
|
|
} else {
|
|
return {
|
|
result: mapResult,
|
|
keyPrefix: keyPrefix,
|
|
func: mapFunction,
|
|
context: mapContext,
|
|
count: 0
|
|
};
|
|
}
|
|
}
|
|
|
|
function releaseTraverseContext(traverseContext) {
|
|
traverseContext.result = null;
|
|
traverseContext.keyPrefix = null;
|
|
traverseContext.func = null;
|
|
traverseContext.context = null;
|
|
traverseContext.count = 0;
|
|
if (traverseContextPool.length < POOL_SIZE) {
|
|
traverseContextPool.push(traverseContext);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param {?*} children Children tree container.
|
|
* @param {!string} nameSoFar Name of the key path so far.
|
|
* @param {!function} callback Callback to invoke with each child found.
|
|
* @param {?*} traverseContext Used to pass information throughout the traversal
|
|
* process.
|
|
* @return {!number} The number of children in this subtree.
|
|
*/
|
|
function traverseAllChildrenImpl(children, nameSoFar, callback, traverseContext) {
|
|
var type = typeof children;
|
|
|
|
if (type === 'undefined' || type === 'boolean') {
|
|
// All of the above are perceived as null.
|
|
children = null;
|
|
}
|
|
|
|
var invokeCallback = false;
|
|
|
|
if (children === null) {
|
|
invokeCallback = true;
|
|
} else {
|
|
switch (type) {
|
|
case 'string':
|
|
case 'number':
|
|
invokeCallback = true;
|
|
break;
|
|
case 'object':
|
|
switch (children.$$typeof) {
|
|
case REACT_ELEMENT_TYPE:
|
|
case REACT_CALL_TYPE:
|
|
case REACT_RETURN_TYPE:
|
|
case REACT_PORTAL_TYPE:
|
|
invokeCallback = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (invokeCallback) {
|
|
callback(traverseContext, children,
|
|
// If it's the only child, treat the name as if it was wrapped in an array
|
|
// so that it's consistent if the number of children grows.
|
|
nameSoFar === '' ? SEPARATOR + getComponentKey(children, 0) : nameSoFar);
|
|
return 1;
|
|
}
|
|
|
|
var child;
|
|
var nextName;
|
|
var subtreeCount = 0; // Count of children found in the current subtree.
|
|
var nextNamePrefix = nameSoFar === '' ? SEPARATOR : nameSoFar + SUBSEPARATOR;
|
|
|
|
if (Array.isArray(children)) {
|
|
for (var i = 0; i < children.length; i++) {
|
|
child = children[i];
|
|
nextName = nextNamePrefix + getComponentKey(child, i);
|
|
subtreeCount += traverseAllChildrenImpl(child, nextName, callback, traverseContext);
|
|
}
|
|
} else {
|
|
var iteratorFn = getIteratorFn(children);
|
|
if (typeof iteratorFn === 'function') {
|
|
{
|
|
// Warn about using Maps as children
|
|
if (iteratorFn === children.entries) {
|
|
warning(didWarnAboutMaps, 'Using Maps as children is unsupported and will likely yield ' + 'unexpected results. Convert it to a sequence/iterable of keyed ' + 'ReactElements instead.%s', ReactDebugCurrentFrame.getStackAddendum());
|
|
didWarnAboutMaps = true;
|
|
}
|
|
}
|
|
|
|
var iterator = iteratorFn.call(children);
|
|
var step;
|
|
var ii = 0;
|
|
while (!(step = iterator.next()).done) {
|
|
child = step.value;
|
|
nextName = nextNamePrefix + getComponentKey(child, ii++);
|
|
subtreeCount += traverseAllChildrenImpl(child, nextName, callback, traverseContext);
|
|
}
|
|
} else if (type === 'object') {
|
|
var addendum = '';
|
|
{
|
|
addendum = ' If you meant to render a collection of children, use an array ' + 'instead.' + ReactDebugCurrentFrame.getStackAddendum();
|
|
}
|
|
var childrenString = '' + children;
|
|
invariant(false, 'Objects are not valid as a React child (found: %s).%s', childrenString === '[object Object]' ? 'object with keys {' + Object.keys(children).join(', ') + '}' : childrenString, addendum);
|
|
}
|
|
}
|
|
|
|
return subtreeCount;
|
|
}
|
|
|
|
/**
|
|
* Traverses children that are typically specified as `props.children`, but
|
|
* might also be specified through attributes:
|
|
*
|
|
* - `traverseAllChildren(this.props.children, ...)`
|
|
* - `traverseAllChildren(this.props.leftPanelChildren, ...)`
|
|
*
|
|
* The `traverseContext` is an optional argument that is passed through the
|
|
* entire traversal. It can be used to store accumulations or anything else that
|
|
* the callback might find relevant.
|
|
*
|
|
* @param {?*} children Children tree object.
|
|
* @param {!function} callback To invoke upon traversing each child.
|
|
* @param {?*} traverseContext Context for traversal.
|
|
* @return {!number} The number of children in this subtree.
|
|
*/
|
|
function traverseAllChildren(children, callback, traverseContext) {
|
|
if (children == null) {
|
|
return 0;
|
|
}
|
|
|
|
return traverseAllChildrenImpl(children, '', callback, traverseContext);
|
|
}
|
|
|
|
/**
|
|
* Generate a key string that identifies a component within a set.
|
|
*
|
|
* @param {*} component A component that could contain a manual key.
|
|
* @param {number} index Index that is used if a manual key is not provided.
|
|
* @return {string}
|
|
*/
|
|
function getComponentKey(component, index) {
|
|
// Do some typechecking here since we call this blindly. We want to ensure
|
|
// that we don't block potential future ES APIs.
|
|
if (typeof component === 'object' && component !== null && component.key != null) {
|
|
// Explicit key
|
|
return escape(component.key);
|
|
}
|
|
// Implicit key determined by the index in the set
|
|
return index.toString(36);
|
|
}
|
|
|
|
function forEachSingleChild(bookKeeping, child, name) {
|
|
var func = bookKeeping.func,
|
|
context = bookKeeping.context;
|
|
|
|
func.call(context, child, bookKeeping.count++);
|
|
}
|
|
|
|
/**
|
|
* Iterates through children that are typically specified as `props.children`.
|
|
*
|
|
* See https://reactjs.org/docs/react-api.html#react.children.foreach
|
|
*
|
|
* The provided forEachFunc(child, index) will be called for each
|
|
* leaf child.
|
|
*
|
|
* @param {?*} children Children tree container.
|
|
* @param {function(*, int)} forEachFunc
|
|
* @param {*} forEachContext Context for forEachContext.
|
|
*/
|
|
function forEachChildren(children, forEachFunc, forEachContext) {
|
|
if (children == null) {
|
|
return children;
|
|
}
|
|
var traverseContext = getPooledTraverseContext(null, null, forEachFunc, forEachContext);
|
|
traverseAllChildren(children, forEachSingleChild, traverseContext);
|
|
releaseTraverseContext(traverseContext);
|
|
}
|
|
|
|
function mapSingleChildIntoContext(bookKeeping, child, childKey) {
|
|
var result = bookKeeping.result,
|
|
keyPrefix = bookKeeping.keyPrefix,
|
|
func = bookKeeping.func,
|
|
context = bookKeeping.context;
|
|
|
|
|
|
var mappedChild = func.call(context, child, bookKeeping.count++);
|
|
if (Array.isArray(mappedChild)) {
|
|
mapIntoWithKeyPrefixInternal(mappedChild, result, childKey, emptyFunction.thatReturnsArgument);
|
|
} else if (mappedChild != null) {
|
|
if (isValidElement(mappedChild)) {
|
|
mappedChild = cloneAndReplaceKey(mappedChild,
|
|
// Keep both the (mapped) and old keys if they differ, just as
|
|
// traverseAllChildren used to do for objects as children
|
|
keyPrefix + (mappedChild.key && (!child || child.key !== mappedChild.key) ? escapeUserProvidedKey(mappedChild.key) + '/' : '') + childKey);
|
|
}
|
|
result.push(mappedChild);
|
|
}
|
|
}
|
|
|
|
function mapIntoWithKeyPrefixInternal(children, array, prefix, func, context) {
|
|
var escapedPrefix = '';
|
|
if (prefix != null) {
|
|
escapedPrefix = escapeUserProvidedKey(prefix) + '/';
|
|
}
|
|
var traverseContext = getPooledTraverseContext(array, escapedPrefix, func, context);
|
|
traverseAllChildren(children, mapSingleChildIntoContext, traverseContext);
|
|
releaseTraverseContext(traverseContext);
|
|
}
|
|
|
|
/**
|
|
* Maps children that are typically specified as `props.children`.
|
|
*
|
|
* See https://reactjs.org/docs/react-api.html#react.children.map
|
|
*
|
|
* The provided mapFunction(child, key, index) will be called for each
|
|
* leaf child.
|
|
*
|
|
* @param {?*} children Children tree container.
|
|
* @param {function(*, int)} func The map function.
|
|
* @param {*} context Context for mapFunction.
|
|
* @return {object} Object containing the ordered map of results.
|
|
*/
|
|
function mapChildren(children, func, context) {
|
|
if (children == null) {
|
|
return children;
|
|
}
|
|
var result = [];
|
|
mapIntoWithKeyPrefixInternal(children, result, null, func, context);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* Count the number of children that are typically specified as
|
|
* `props.children`.
|
|
*
|
|
* See https://reactjs.org/docs/react-api.html#react.children.count
|
|
*
|
|
* @param {?*} children Children tree container.
|
|
* @return {number} The number of children.
|
|
*/
|
|
function countChildren(children, context) {
|
|
return traverseAllChildren(children, emptyFunction.thatReturnsNull, null);
|
|
}
|
|
|
|
/**
|
|
* Flatten a children object (typically specified as `props.children`) and
|
|
* return an array with appropriately re-keyed children.
|
|
*
|
|
* See https://reactjs.org/docs/react-api.html#react.children.toarray
|
|
*/
|
|
function toArray(children) {
|
|
var result = [];
|
|
mapIntoWithKeyPrefixInternal(children, result, null, emptyFunction.thatReturnsArgument);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* Returns the first child in a collection of children and verifies that there
|
|
* is only one child in the collection.
|
|
*
|
|
* See https://reactjs.org/docs/react-api.html#react.children.only
|
|
*
|
|
* The current implementation of this function assumes that a single child gets
|
|
* passed without a wrapper, but the purpose of this helper function is to
|
|
* abstract away the particular structure of children.
|
|
*
|
|
* @param {?object} children Child collection structure.
|
|
* @return {ReactElement} The first and only `ReactElement` contained in the
|
|
* structure.
|
|
*/
|
|
function onlyChild(children) {
|
|
!isValidElement(children) ? invariant(false, 'React.Children.only expected to receive a single React element child.') : void 0;
|
|
return children;
|
|
}
|
|
|
|
var describeComponentFrame = function (name, source, ownerName) {
|
|
return '\n in ' + (name || 'Unknown') + (source ? ' (at ' + source.fileName.replace(/^.*[\\\/]/, '') + ':' + source.lineNumber + ')' : ownerName ? ' (created by ' + ownerName + ')' : '');
|
|
};
|
|
|
|
function getComponentName(fiber) {
|
|
var type = fiber.type;
|
|
|
|
if (typeof type === 'string') {
|
|
return type;
|
|
}
|
|
if (typeof type === 'function') {
|
|
return type.displayName || type.name;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* ReactElementValidator provides a wrapper around a element factory
|
|
* which validates the props passed to the element. This is intended to be
|
|
* used only in DEV and could be replaced by a static type checker for languages
|
|
* that support it.
|
|
*/
|
|
|
|
{
|
|
var currentlyValidatingElement = null;
|
|
|
|
var propTypesMisspellWarningShown = false;
|
|
|
|
var getDisplayName = function (element) {
|
|
if (element == null) {
|
|
return '#empty';
|
|
} else if (typeof element === 'string' || typeof element === 'number') {
|
|
return '#text';
|
|
} else if (typeof element.type === 'string') {
|
|
return element.type;
|
|
} else if (element.type === REACT_FRAGMENT_TYPE) {
|
|
return 'React.Fragment';
|
|
} else {
|
|
return element.type.displayName || element.type.name || 'Unknown';
|
|
}
|
|
};
|
|
|
|
var getStackAddendum = function () {
|
|
var stack = '';
|
|
if (currentlyValidatingElement) {
|
|
var name = getDisplayName(currentlyValidatingElement);
|
|
var owner = currentlyValidatingElement._owner;
|
|
stack += describeComponentFrame(name, currentlyValidatingElement._source, owner && getComponentName(owner));
|
|
}
|
|
stack += ReactDebugCurrentFrame.getStackAddendum() || '';
|
|
return stack;
|
|
};
|
|
|
|
var VALID_FRAGMENT_PROPS = new Map([['children', true], ['key', true]]);
|
|
}
|
|
|
|
function getDeclarationErrorAddendum() {
|
|
if (ReactCurrentOwner.current) {
|
|
var name = getComponentName(ReactCurrentOwner.current);
|
|
if (name) {
|
|
return '\n\nCheck the render method of `' + name + '`.';
|
|
}
|
|
}
|
|
return '';
|
|
}
|
|
|
|
function getSourceInfoErrorAddendum(elementProps) {
|
|
if (elementProps !== null && elementProps !== undefined && elementProps.__source !== undefined) {
|
|
var source = elementProps.__source;
|
|
var fileName = source.fileName.replace(/^.*[\\\/]/, '');
|
|
var lineNumber = source.lineNumber;
|
|
return '\n\nCheck your code at ' + fileName + ':' + lineNumber + '.';
|
|
}
|
|
return '';
|
|
}
|
|
|
|
/**
|
|
* Warn if there's no key explicitly set on dynamic arrays of children or
|
|
* object keys are not valid. This allows us to keep track of children between
|
|
* updates.
|
|
*/
|
|
var ownerHasKeyUseWarning = {};
|
|
|
|
function getCurrentComponentErrorInfo(parentType) {
|
|
var info = getDeclarationErrorAddendum();
|
|
|
|
if (!info) {
|
|
var parentName = typeof parentType === 'string' ? parentType : parentType.displayName || parentType.name;
|
|
if (parentName) {
|
|
info = '\n\nCheck the top-level render call using <' + parentName + '>.';
|
|
}
|
|
}
|
|
return info;
|
|
}
|
|
|
|
/**
|
|
* Warn if the element doesn't have an explicit key assigned to it.
|
|
* This element is in an array. The array could grow and shrink or be
|
|
* reordered. All children that haven't already been validated are required to
|
|
* have a "key" property assigned to it. Error statuses are cached so a warning
|
|
* will only be shown once.
|
|
*
|
|
* @internal
|
|
* @param {ReactElement} element Element that requires a key.
|
|
* @param {*} parentType element's parent's type.
|
|
*/
|
|
function validateExplicitKey(element, parentType) {
|
|
if (!element._store || element._store.validated || element.key != null) {
|
|
return;
|
|
}
|
|
element._store.validated = true;
|
|
|
|
var currentComponentErrorInfo = getCurrentComponentErrorInfo(parentType);
|
|
if (ownerHasKeyUseWarning[currentComponentErrorInfo]) {
|
|
return;
|
|
}
|
|
ownerHasKeyUseWarning[currentComponentErrorInfo] = true;
|
|
|
|
// Usually the current owner is the offender, but if it accepts children as a
|
|
// property, it may be the creator of the child that's responsible for
|
|
// assigning it a key.
|
|
var childOwner = '';
|
|
if (element && element._owner && element._owner !== ReactCurrentOwner.current) {
|
|
// Give the component that originally created this child.
|
|
childOwner = ' It was passed a child from ' + getComponentName(element._owner) + '.';
|
|
}
|
|
|
|
currentlyValidatingElement = element;
|
|
{
|
|
warning(false, 'Each child in an array or iterator should have a unique "key" prop.' + '%s%s See https://fb.me/react-warning-keys for more information.%s', currentComponentErrorInfo, childOwner, getStackAddendum());
|
|
}
|
|
currentlyValidatingElement = null;
|
|
}
|
|
|
|
/**
|
|
* Ensure that every element either is passed in a static location, in an
|
|
* array with an explicit keys property defined, or in an object literal
|
|
* with valid key property.
|
|
*
|
|
* @internal
|
|
* @param {ReactNode} node Statically passed child of any type.
|
|
* @param {*} parentType node's parent's type.
|
|
*/
|
|
function validateChildKeys(node, parentType) {
|
|
if (typeof node !== 'object') {
|
|
return;
|
|
}
|
|
if (Array.isArray(node)) {
|
|
for (var i = 0; i < node.length; i++) {
|
|
var child = node[i];
|
|
if (isValidElement(child)) {
|
|
validateExplicitKey(child, parentType);
|
|
}
|
|
}
|
|
} else if (isValidElement(node)) {
|
|
// This element was passed in a valid location.
|
|
if (node._store) {
|
|
node._store.validated = true;
|
|
}
|
|
} else if (node) {
|
|
var iteratorFn = getIteratorFn(node);
|
|
if (typeof iteratorFn === 'function') {
|
|
// Entry iterators used to provide implicit keys,
|
|
// but now we print a separate warning for them later.
|
|
if (iteratorFn !== node.entries) {
|
|
var iterator = iteratorFn.call(node);
|
|
var step;
|
|
while (!(step = iterator.next()).done) {
|
|
if (isValidElement(step.value)) {
|
|
validateExplicitKey(step.value, parentType);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Given an element, validate that its props follow the propTypes definition,
|
|
* provided by the type.
|
|
*
|
|
* @param {ReactElement} element
|
|
*/
|
|
function validatePropTypes(element) {
|
|
var componentClass = element.type;
|
|
if (typeof componentClass !== 'function') {
|
|
return;
|
|
}
|
|
var name = componentClass.displayName || componentClass.name;
|
|
var propTypes = componentClass.propTypes;
|
|
if (propTypes) {
|
|
currentlyValidatingElement = element;
|
|
checkPropTypes(propTypes, element.props, 'prop', name, getStackAddendum);
|
|
currentlyValidatingElement = null;
|
|
} else if (componentClass.PropTypes !== undefined && !propTypesMisspellWarningShown) {
|
|
propTypesMisspellWarningShown = true;
|
|
warning(false, 'Component %s declared `PropTypes` instead of `propTypes`. Did you misspell the property assignment?', name || 'Unknown');
|
|
}
|
|
if (typeof componentClass.getDefaultProps === 'function') {
|
|
warning(componentClass.getDefaultProps.isReactClassApproved, 'getDefaultProps is only used on classic React.createClass ' + 'definitions. Use a static property named `defaultProps` instead.');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Given a fragment, validate that it can only be provided with fragment props
|
|
* @param {ReactElement} fragment
|
|
*/
|
|
function validateFragmentProps(fragment) {
|
|
currentlyValidatingElement = fragment;
|
|
|
|
var _iteratorNormalCompletion = true;
|
|
var _didIteratorError = false;
|
|
var _iteratorError = undefined;
|
|
|
|
try {
|
|
for (var _iterator = Object.keys(fragment.props)[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
|
|
var key = _step.value;
|
|
|
|
if (!VALID_FRAGMENT_PROPS.has(key)) {
|
|
warning(false, 'Invalid prop `%s` supplied to `React.Fragment`. ' + 'React.Fragment can only have `key` and `children` props.%s', key, getStackAddendum());
|
|
break;
|
|
}
|
|
}
|
|
} catch (err) {
|
|
_didIteratorError = true;
|
|
_iteratorError = err;
|
|
} finally {
|
|
try {
|
|
if (!_iteratorNormalCompletion && _iterator['return']) {
|
|
_iterator['return']();
|
|
}
|
|
} finally {
|
|
if (_didIteratorError) {
|
|
throw _iteratorError;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (fragment.ref !== null) {
|
|
warning(false, 'Invalid attribute `ref` supplied to `React.Fragment`.%s', getStackAddendum());
|
|
}
|
|
|
|
currentlyValidatingElement = null;
|
|
}
|
|
|
|
function createElementWithValidation(type, props, children) {
|
|
var validType = typeof type === 'string' || typeof type === 'function' || typeof type === 'symbol' || typeof type === 'number';
|
|
// We warn in this case but don't throw. We expect the element creation to
|
|
// succeed and there will likely be errors in render.
|
|
if (!validType) {
|
|
var info = '';
|
|
if (type === undefined || typeof type === 'object' && type !== null && Object.keys(type).length === 0) {
|
|
info += ' You likely forgot to export your component from the file ' + "it's defined in, or you might have mixed up default and named imports.";
|
|
}
|
|
|
|
var sourceInfo = getSourceInfoErrorAddendum(props);
|
|
if (sourceInfo) {
|
|
info += sourceInfo;
|
|
} else {
|
|
info += getDeclarationErrorAddendum();
|
|
}
|
|
|
|
info += getStackAddendum() || '';
|
|
|
|
warning(false, 'React.createElement: type is invalid -- expected a string (for ' + 'built-in components) or a class/function (for composite ' + 'components) but got: %s.%s', type == null ? type : typeof type, info);
|
|
}
|
|
|
|
var element = createElement.apply(this, arguments);
|
|
|
|
// The result can be nullish if a mock or a custom function is used.
|
|
// TODO: Drop this when these are no longer allowed as the type argument.
|
|
if (element == null) {
|
|
return element;
|
|
}
|
|
|
|
// Skip key warning if the type isn't valid since our key validation logic
|
|
// doesn't expect a non-string/function type and can throw confusing errors.
|
|
// We don't want exception behavior to differ between dev and prod.
|
|
// (Rendering will throw with a helpful message and as soon as the type is
|
|
// fixed, the key warnings will appear.)
|
|
if (validType) {
|
|
for (var i = 2; i < arguments.length; i++) {
|
|
validateChildKeys(arguments[i], type);
|
|
}
|
|
}
|
|
|
|
if (typeof type === 'symbol' && type === REACT_FRAGMENT_TYPE) {
|
|
validateFragmentProps(element);
|
|
} else {
|
|
validatePropTypes(element);
|
|
}
|
|
|
|
return element;
|
|
}
|
|
|
|
function createFactoryWithValidation(type) {
|
|
var validatedFactory = createElementWithValidation.bind(null, type);
|
|
// Legacy hook TODO: Warn if this is accessed
|
|
validatedFactory.type = type;
|
|
|
|
{
|
|
Object.defineProperty(validatedFactory, 'type', {
|
|
enumerable: false,
|
|
get: function () {
|
|
lowPriorityWarning$1(false, 'Factory.type is deprecated. Access the class directly ' + 'before passing it to createFactory.');
|
|
Object.defineProperty(this, 'type', {
|
|
value: type
|
|
});
|
|
return type;
|
|
}
|
|
});
|
|
}
|
|
|
|
return validatedFactory;
|
|
}
|
|
|
|
function cloneElementWithValidation(element, props, children) {
|
|
var newElement = cloneElement.apply(this, arguments);
|
|
for (var i = 2; i < arguments.length; i++) {
|
|
validateChildKeys(arguments[i], newElement.type);
|
|
}
|
|
validatePropTypes(newElement);
|
|
return newElement;
|
|
}
|
|
|
|
var React = {
|
|
Children: {
|
|
map: mapChildren,
|
|
forEach: forEachChildren,
|
|
count: countChildren,
|
|
toArray: toArray,
|
|
only: onlyChild
|
|
},
|
|
|
|
Component: Component,
|
|
PureComponent: PureComponent,
|
|
unstable_AsyncComponent: AsyncComponent,
|
|
|
|
Fragment: REACT_FRAGMENT_TYPE,
|
|
|
|
createElement: createElementWithValidation,
|
|
cloneElement: cloneElementWithValidation,
|
|
createFactory: createFactoryWithValidation,
|
|
isValidElement: isValidElement,
|
|
|
|
version: ReactVersion,
|
|
|
|
__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED: {
|
|
ReactCurrentOwner: ReactCurrentOwner,
|
|
// Used by renderers to avoid bundling object-assign twice in UMD bundles:
|
|
assign: _assign
|
|
}
|
|
};
|
|
|
|
{
|
|
_assign(React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED, {
|
|
// These should not be included in production.
|
|
ReactDebugCurrentFrame: ReactDebugCurrentFrame,
|
|
// Shim for React DOM 16.0.0 which still destructured (but not used) this.
|
|
// TODO: remove in React 17.0.
|
|
ReactComponentTreeHook: {}
|
|
});
|
|
}
|
|
|
|
|
|
|
|
var React$2 = Object.freeze({
|
|
default: React
|
|
});
|
|
|
|
var React$3 = ( React$2 && React ) || React$2;
|
|
|
|
// TODO: decide on the top-level export form.
|
|
// This is hacky but makes it work with both Rollup and Jest.
|
|
var react = React$3['default'] ? React$3['default'] : React$3;
|
|
|
|
module.exports = react;
|
|
})();
|
|
}
|