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authorFlorian Dold <florian.dold@gmail.com>2017-05-03 15:35:00 +0200
committerFlorian Dold <florian.dold@gmail.com>2017-05-03 15:35:00 +0200
commitde98e0b232509d5f40c135d540a70e415272ff85 (patch)
treea79222a5b58484ab3b80d18efcaaa7ccc4769b33 /node_modules/react-dom/lib/EventPluginRegistry.js
parente0c9d480a73fa629c1e4a47d3e721f1d2d345406 (diff)
node_modules
Diffstat (limited to 'node_modules/react-dom/lib/EventPluginRegistry.js')
-rw-r--r--node_modules/react-dom/lib/EventPluginRegistry.js254
1 files changed, 254 insertions, 0 deletions
diff --git a/node_modules/react-dom/lib/EventPluginRegistry.js b/node_modules/react-dom/lib/EventPluginRegistry.js
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+++ b/node_modules/react-dom/lib/EventPluginRegistry.js
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+/**
+ * Copyright 2013-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 _prodInvariant = require('./reactProdInvariant');
+
+var invariant = require('fbjs/lib/invariant');
+
+/**
+ * Injectable ordering of event plugins.
+ */
+var eventPluginOrder = null;
+
+/**
+ * Injectable mapping from names to event plugin modules.
+ */
+var namesToPlugins = {};
+
+/**
+ * Recomputes the plugin list using the injected plugins and plugin ordering.
+ *
+ * @private
+ */
+function recomputePluginOrdering() {
+ if (!eventPluginOrder) {
+ // Wait until an `eventPluginOrder` is injected.
+ return;
+ }
+ for (var pluginName in namesToPlugins) {
+ var pluginModule = namesToPlugins[pluginName];
+ var pluginIndex = eventPluginOrder.indexOf(pluginName);
+ !(pluginIndex > -1) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'EventPluginRegistry: Cannot inject event plugins that do not exist in the plugin ordering, `%s`.', pluginName) : _prodInvariant('96', pluginName) : void 0;
+ if (EventPluginRegistry.plugins[pluginIndex]) {
+ continue;
+ }
+ !pluginModule.extractEvents ? process.env.NODE_ENV !== 'production' ? invariant(false, 'EventPluginRegistry: Event plugins must implement an `extractEvents` method, but `%s` does not.', pluginName) : _prodInvariant('97', pluginName) : void 0;
+ EventPluginRegistry.plugins[pluginIndex] = pluginModule;
+ var publishedEvents = pluginModule.eventTypes;
+ for (var eventName in publishedEvents) {
+ !publishEventForPlugin(publishedEvents[eventName], pluginModule, eventName) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'EventPluginRegistry: Failed to publish event `%s` for plugin `%s`.', eventName, pluginName) : _prodInvariant('98', eventName, pluginName) : void 0;
+ }
+ }
+}
+
+/**
+ * Publishes an event so that it can be dispatched by the supplied plugin.
+ *
+ * @param {object} dispatchConfig Dispatch configuration for the event.
+ * @param {object} PluginModule Plugin publishing the event.
+ * @return {boolean} True if the event was successfully published.
+ * @private
+ */
+function publishEventForPlugin(dispatchConfig, pluginModule, eventName) {
+ !!EventPluginRegistry.eventNameDispatchConfigs.hasOwnProperty(eventName) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'EventPluginHub: More than one plugin attempted to publish the same event name, `%s`.', eventName) : _prodInvariant('99', eventName) : void 0;
+ EventPluginRegistry.eventNameDispatchConfigs[eventName] = dispatchConfig;
+
+ var phasedRegistrationNames = dispatchConfig.phasedRegistrationNames;
+ if (phasedRegistrationNames) {
+ for (var phaseName in phasedRegistrationNames) {
+ if (phasedRegistrationNames.hasOwnProperty(phaseName)) {
+ var phasedRegistrationName = phasedRegistrationNames[phaseName];
+ publishRegistrationName(phasedRegistrationName, pluginModule, eventName);
+ }
+ }
+ return true;
+ } else if (dispatchConfig.registrationName) {
+ publishRegistrationName(dispatchConfig.registrationName, pluginModule, eventName);
+ return true;
+ }
+ return false;
+}
+
+/**
+ * Publishes a registration name that is used to identify dispatched events and
+ * can be used with `EventPluginHub.putListener` to register listeners.
+ *
+ * @param {string} registrationName Registration name to add.
+ * @param {object} PluginModule Plugin publishing the event.
+ * @private
+ */
+function publishRegistrationName(registrationName, pluginModule, eventName) {
+ !!EventPluginRegistry.registrationNameModules[registrationName] ? process.env.NODE_ENV !== 'production' ? invariant(false, 'EventPluginHub: More than one plugin attempted to publish the same registration name, `%s`.', registrationName) : _prodInvariant('100', registrationName) : void 0;
+ EventPluginRegistry.registrationNameModules[registrationName] = pluginModule;
+ EventPluginRegistry.registrationNameDependencies[registrationName] = pluginModule.eventTypes[eventName].dependencies;
+
+ if (process.env.NODE_ENV !== 'production') {
+ var lowerCasedName = registrationName.toLowerCase();
+ EventPluginRegistry.possibleRegistrationNames[lowerCasedName] = registrationName;
+
+ if (registrationName === 'onDoubleClick') {
+ EventPluginRegistry.possibleRegistrationNames.ondblclick = registrationName;
+ }
+ }
+}
+
+/**
+ * Registers plugins so that they can extract and dispatch events.
+ *
+ * @see {EventPluginHub}
+ */
+var EventPluginRegistry = {
+
+ /**
+ * Ordered list of injected plugins.
+ */
+ plugins: [],
+
+ /**
+ * Mapping from event name to dispatch config
+ */
+ eventNameDispatchConfigs: {},
+
+ /**
+ * Mapping from registration name to plugin module
+ */
+ registrationNameModules: {},
+
+ /**
+ * Mapping from registration name to event name
+ */
+ registrationNameDependencies: {},
+
+ /**
+ * Mapping from lowercase registration names to the properly cased version,
+ * used to warn in the case of missing event handlers. Available
+ * only in __DEV__.
+ * @type {Object}
+ */
+ possibleRegistrationNames: process.env.NODE_ENV !== 'production' ? {} : null,
+ // Trust the developer to only use possibleRegistrationNames in __DEV__
+
+ /**
+ * Injects an ordering of plugins (by plugin name). This allows the ordering
+ * to be decoupled from injection of the actual plugins so that ordering is
+ * always deterministic regardless of packaging, on-the-fly injection, etc.
+ *
+ * @param {array} InjectedEventPluginOrder
+ * @internal
+ * @see {EventPluginHub.injection.injectEventPluginOrder}
+ */
+ injectEventPluginOrder: function (injectedEventPluginOrder) {
+ !!eventPluginOrder ? process.env.NODE_ENV !== 'production' ? invariant(false, 'EventPluginRegistry: Cannot inject event plugin ordering more than once. You are likely trying to load more than one copy of React.') : _prodInvariant('101') : void 0;
+ // Clone the ordering so it cannot be dynamically mutated.
+ eventPluginOrder = Array.prototype.slice.call(injectedEventPluginOrder);
+ recomputePluginOrdering();
+ },
+
+ /**
+ * Injects plugins to be used by `EventPluginHub`. The plugin names must be
+ * in the ordering injected by `injectEventPluginOrder`.
+ *
+ * Plugins can be injected as part of page initialization or on-the-fly.
+ *
+ * @param {object} injectedNamesToPlugins Map from names to plugin modules.
+ * @internal
+ * @see {EventPluginHub.injection.injectEventPluginsByName}
+ */
+ injectEventPluginsByName: function (injectedNamesToPlugins) {
+ var isOrderingDirty = false;
+ for (var pluginName in injectedNamesToPlugins) {
+ if (!injectedNamesToPlugins.hasOwnProperty(pluginName)) {
+ continue;
+ }
+ var pluginModule = injectedNamesToPlugins[pluginName];
+ if (!namesToPlugins.hasOwnProperty(pluginName) || namesToPlugins[pluginName] !== pluginModule) {
+ !!namesToPlugins[pluginName] ? process.env.NODE_ENV !== 'production' ? invariant(false, 'EventPluginRegistry: Cannot inject two different event plugins using the same name, `%s`.', pluginName) : _prodInvariant('102', pluginName) : void 0;
+ namesToPlugins[pluginName] = pluginModule;
+ isOrderingDirty = true;
+ }
+ }
+ if (isOrderingDirty) {
+ recomputePluginOrdering();
+ }
+ },
+
+ /**
+ * Looks up the plugin for the supplied event.
+ *
+ * @param {object} event A synthetic event.
+ * @return {?object} The plugin that created the supplied event.
+ * @internal
+ */
+ getPluginModuleForEvent: function (event) {
+ var dispatchConfig = event.dispatchConfig;
+ if (dispatchConfig.registrationName) {
+ return EventPluginRegistry.registrationNameModules[dispatchConfig.registrationName] || null;
+ }
+ if (dispatchConfig.phasedRegistrationNames !== undefined) {
+ // pulling phasedRegistrationNames out of dispatchConfig helps Flow see
+ // that it is not undefined.
+ var phasedRegistrationNames = dispatchConfig.phasedRegistrationNames;
+
+ for (var phase in phasedRegistrationNames) {
+ if (!phasedRegistrationNames.hasOwnProperty(phase)) {
+ continue;
+ }
+ var pluginModule = EventPluginRegistry.registrationNameModules[phasedRegistrationNames[phase]];
+ if (pluginModule) {
+ return pluginModule;
+ }
+ }
+ }
+ return null;
+ },
+
+ /**
+ * Exposed for unit testing.
+ * @private
+ */
+ _resetEventPlugins: function () {
+ eventPluginOrder = null;
+ for (var pluginName in namesToPlugins) {
+ if (namesToPlugins.hasOwnProperty(pluginName)) {
+ delete namesToPlugins[pluginName];
+ }
+ }
+ EventPluginRegistry.plugins.length = 0;
+
+ var eventNameDispatchConfigs = EventPluginRegistry.eventNameDispatchConfigs;
+ for (var eventName in eventNameDispatchConfigs) {
+ if (eventNameDispatchConfigs.hasOwnProperty(eventName)) {
+ delete eventNameDispatchConfigs[eventName];
+ }
+ }
+
+ var registrationNameModules = EventPluginRegistry.registrationNameModules;
+ for (var registrationName in registrationNameModules) {
+ if (registrationNameModules.hasOwnProperty(registrationName)) {
+ delete registrationNameModules[registrationName];
+ }
+ }
+
+ if (process.env.NODE_ENV !== 'production') {
+ var possibleRegistrationNames = EventPluginRegistry.possibleRegistrationNames;
+ for (var lowerCasedName in possibleRegistrationNames) {
+ if (possibleRegistrationNames.hasOwnProperty(lowerCasedName)) {
+ delete possibleRegistrationNames[lowerCasedName];
+ }
+ }
+ }
+ }
+
+};
+
+module.exports = EventPluginRegistry; \ No newline at end of file