2381 lines
85 KiB
JavaScript
2381 lines
85 KiB
JavaScript
/** @license React v16.0.0
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* react-dom-unstable-native-dependencies.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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(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('react-dom')) :
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typeof define === 'function' && define.amd ? define(['react-dom'], factory) :
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(global.ReactDOMUnstableNativeDependencies = factory(global.ReactDOM));
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}(this, (function (reactDom) { 'use strict';
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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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* @providesModule reactProdInvariant
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*
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*/
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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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*/
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/**
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* Use invariant() to assert state which your program assumes to be true.
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*
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* Provide sprintf-style format (only %s is supported) and arguments
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* to provide information about what broke and what you were
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* expecting.
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*
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* The invariant message will be stripped in production, but the invariant
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* will remain to ensure logic does not differ in production.
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*/
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var validateFormat = function validateFormat(format) {};
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{
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validateFormat = function validateFormat(format) {
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if (format === undefined) {
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throw new Error('invariant requires an error message argument');
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}
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};
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}
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function invariant(condition, format, a, b, c, d, e, f) {
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validateFormat(format);
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if (!condition) {
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var error;
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if (format === undefined) {
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error = new Error('Minified exception occurred; use the non-minified dev environment ' + 'for the full error message and additional helpful warnings.');
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} else {
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var args = [a, b, c, d, e, f];
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var argIndex = 0;
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error = new Error(format.replace(/%s/g, function () {
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return args[argIndex++];
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}));
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error.name = 'Invariant Violation';
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}
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error.framesToPop = 1; // we don't care about invariant's own frame
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throw error;
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}
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}
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var invariant_1 = invariant;
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var ReactErrorUtils = {
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// Used by Fiber to simulate a try-catch.
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_caughtError: null,
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_hasCaughtError: false,
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// Used by event system to capture/rethrow the first error.
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_rethrowError: null,
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_hasRethrowError: false,
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injection: {
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injectErrorUtils: function (injectedErrorUtils) {
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!(typeof injectedErrorUtils.invokeGuardedCallback === 'function') ? invariant_1(false, 'Injected invokeGuardedCallback() must be a function.') : void 0;
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invokeGuardedCallback = injectedErrorUtils.invokeGuardedCallback;
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}
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},
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/**
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* Call a function while guarding against errors that happens within it.
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* Returns an error if it throws, otherwise null.
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*
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* In production, this is implemented using a try-catch. The reason we don't
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* use a try-catch directly is so that we can swap out a different
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* implementation in DEV mode.
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*
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* @param {String} name of the guard to use for logging or debugging
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* @param {Function} func The function to invoke
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* @param {*} context The context to use when calling the function
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* @param {...*} args Arguments for function
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*/
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invokeGuardedCallback: function (name, func, context, a, b, c, d, e, f) {
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invokeGuardedCallback.apply(ReactErrorUtils, arguments);
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},
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/**
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* Same as invokeGuardedCallback, but instead of returning an error, it stores
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* it in a global so it can be rethrown by `rethrowCaughtError` later.
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* TODO: See if _caughtError and _rethrowError can be unified.
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*
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* @param {String} name of the guard to use for logging or debugging
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* @param {Function} func The function to invoke
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* @param {*} context The context to use when calling the function
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* @param {...*} args Arguments for function
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*/
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invokeGuardedCallbackAndCatchFirstError: function (name, func, context, a, b, c, d, e, f) {
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ReactErrorUtils.invokeGuardedCallback.apply(this, arguments);
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if (ReactErrorUtils.hasCaughtError()) {
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var error = ReactErrorUtils.clearCaughtError();
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if (!ReactErrorUtils._hasRethrowError) {
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ReactErrorUtils._hasRethrowError = true;
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ReactErrorUtils._rethrowError = error;
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}
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}
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},
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/**
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* During execution of guarded functions we will capture the first error which
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* we will rethrow to be handled by the top level error handler.
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*/
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rethrowCaughtError: function () {
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return rethrowCaughtError.apply(ReactErrorUtils, arguments);
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},
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hasCaughtError: function () {
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return ReactErrorUtils._hasCaughtError;
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},
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clearCaughtError: function () {
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if (ReactErrorUtils._hasCaughtError) {
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var error = ReactErrorUtils._caughtError;
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ReactErrorUtils._caughtError = null;
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ReactErrorUtils._hasCaughtError = false;
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return error;
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} else {
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invariant_1(false, 'clearCaughtError was called but no error was captured. This error is likely caused by a bug in React. Please file an issue.');
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}
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}
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};
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var invokeGuardedCallback = function (name, func, context, a, b, c, d, e, f) {
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ReactErrorUtils._hasCaughtError = false;
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ReactErrorUtils._caughtError = null;
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var funcArgs = Array.prototype.slice.call(arguments, 3);
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try {
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func.apply(context, funcArgs);
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} catch (error) {
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ReactErrorUtils._caughtError = error;
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ReactErrorUtils._hasCaughtError = true;
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}
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};
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{
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// In DEV mode, we swap out invokeGuardedCallback for a special version
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// that plays more nicely with the browser's DevTools. The idea is to preserve
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// "Pause on exceptions" behavior. Because React wraps all user-provided
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// functions in invokeGuardedCallback, and the production version of
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// invokeGuardedCallback uses a try-catch, all user exceptions are treated
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// like caught exceptions, and the DevTools won't pause unless the developer
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// takes the extra step of enabling pause on caught exceptions. This is
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// untintuitive, though, because even though React has caught the error, from
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// the developer's perspective, the error is uncaught.
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//
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// To preserve the expected "Pause on exceptions" behavior, we don't use a
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// try-catch in DEV. Instead, we synchronously dispatch a fake event to a fake
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// DOM node, and call the user-provided callback from inside an event handler
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// for that fake event. If the callback throws, the error is "captured" using
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// a global event handler. But because the error happens in a different
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// event loop context, it does not interrupt the normal program flow.
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// Effectively, this gives us try-catch behavior without actually using
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// try-catch. Neat!
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// Check that the browser supports the APIs we need to implement our special
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// DEV version of invokeGuardedCallback
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if (typeof window !== 'undefined' && typeof window.dispatchEvent === 'function' && typeof document !== 'undefined' && typeof document.createEvent === 'function') {
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var fakeNode = document.createElement('react');
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var invokeGuardedCallbackDev = function (name, func, context, a, b, c, d, e, f) {
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// Keeps track of whether the user-provided callback threw an error. We
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// set this to true at the beginning, then set it to false right after
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// calling the function. If the function errors, `didError` will never be
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// set to false. This strategy works even if the browser is flaky and
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// fails to call our global error handler, because it doesn't rely on
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// the error event at all.
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var didError = true;
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// Create an event handler for our fake event. We will synchronously
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// dispatch our fake event using `dispatchEvent`. Inside the handler, we
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// call the user-provided callback.
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var funcArgs = Array.prototype.slice.call(arguments, 3);
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function callCallback() {
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// We immediately remove the callback from event listeners so that
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// nested `invokeGuardedCallback` calls do not clash. Otherwise, a
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// nested call would trigger the fake event handlers of any call higher
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// in the stack.
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fakeNode.removeEventListener(evtType, callCallback, false);
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func.apply(context, funcArgs);
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didError = false;
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}
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// Create a global error event handler. We use this to capture the value
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// that was thrown. It's possible that this error handler will fire more
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// than once; for example, if non-React code also calls `dispatchEvent`
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// and a handler for that event throws. We should be resilient to most of
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// those cases. Even if our error event handler fires more than once, the
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// last error event is always used. If the callback actually does error,
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// we know that the last error event is the correct one, because it's not
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// possible for anything else to have happened in between our callback
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// erroring and the code that follows the `dispatchEvent` call below. If
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// the callback doesn't error, but the error event was fired, we know to
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// ignore it because `didError` will be false, as described above.
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var error = void 0;
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// Use this to track whether the error event is ever called.
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var didSetError = false;
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var isCrossOriginError = false;
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function onError(event) {
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error = event.error;
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didSetError = true;
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if (error === null && event.colno === 0 && event.lineno === 0) {
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isCrossOriginError = true;
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}
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}
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// Create a fake event type.
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var evtType = 'react-' + (name ? name : 'invokeguardedcallback');
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// Attach our event handlers
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window.addEventListener('error', onError);
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fakeNode.addEventListener(evtType, callCallback, false);
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// Synchronously dispatch our fake event. If the user-provided function
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// errors, it will trigger our global error handler.
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var evt = document.createEvent('Event');
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evt.initEvent(evtType, false, false);
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fakeNode.dispatchEvent(evt);
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if (didError) {
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if (!didSetError) {
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// The callback errored, but the error event never fired.
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error = new Error('An error was thrown inside one of your components, but React ' + "doesn't know what it was. This is likely due to browser " + 'flakiness. React does its best to preserve the "Pause on ' + 'exceptions" behavior of the DevTools, which requires some ' + "DEV-mode only tricks. It's possible that these don't work in " + 'your browser. Try triggering the error in production mode, ' + 'or switching to a modern browser. If you suspect that this is ' + 'actually an issue with React, please file an issue.');
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} else if (isCrossOriginError) {
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error = new Error("A cross-origin error was thrown. React doesn't have access to " + 'the actual error object in development. ' + 'See https://fb.me/react-crossorigin-error for more information.');
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}
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ReactErrorUtils._hasCaughtError = true;
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ReactErrorUtils._caughtError = error;
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} else {
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ReactErrorUtils._hasCaughtError = false;
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ReactErrorUtils._caughtError = null;
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}
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// Remove our event listeners
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window.removeEventListener('error', onError);
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};
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invokeGuardedCallback = invokeGuardedCallbackDev;
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}
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}
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var rethrowCaughtError = function () {
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if (ReactErrorUtils._hasRethrowError) {
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var error = ReactErrorUtils._rethrowError;
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ReactErrorUtils._rethrowError = null;
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ReactErrorUtils._hasRethrowError = false;
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throw error;
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}
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};
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var ReactErrorUtils_1 = ReactErrorUtils;
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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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*
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*/
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function makeEmptyFunction(arg) {
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return function () {
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return arg;
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};
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}
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/**
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* This function accepts and discards inputs; it has no side effects. This is
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* primarily useful idiomatically for overridable function endpoints which
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* always need to be callable, since JS lacks a null-call idiom ala Cocoa.
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*/
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var emptyFunction = function emptyFunction() {};
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emptyFunction.thatReturns = makeEmptyFunction;
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emptyFunction.thatReturnsFalse = makeEmptyFunction(false);
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emptyFunction.thatReturnsTrue = makeEmptyFunction(true);
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emptyFunction.thatReturnsNull = makeEmptyFunction(null);
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emptyFunction.thatReturnsThis = function () {
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return this;
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};
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emptyFunction.thatReturnsArgument = function (arg) {
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return arg;
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};
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var emptyFunction_1 = emptyFunction;
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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 warning$1 = emptyFunction_1;
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{
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var printWarning = function printWarning(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.error(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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warning$1 = function warning(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 (format.indexOf('Failed Composite propType: ') === 0) {
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return; // Ignore CompositeComponent proptype check.
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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 warning_1 = warning$1;
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{
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var warning = warning_1;
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}
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/**
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* Injected dependencies:
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*/
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/**
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* - `ComponentTree`: [required] Module that can convert between React instances
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* and actual node references.
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*/
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var ComponentTree;
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var injection = {
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injectComponentTree: function (Injected) {
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ComponentTree = Injected;
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{
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warning(Injected && Injected.getNodeFromInstance && Injected.getInstanceFromNode, 'EventPluginUtils.injection.injectComponentTree(...): Injected ' + 'module is missing getNodeFromInstance or getInstanceFromNode.');
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}
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}
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};
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function isEndish(topLevelType) {
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return topLevelType === 'topMouseUp' || topLevelType === 'topTouchEnd' || topLevelType === 'topTouchCancel';
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}
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function isMoveish(topLevelType) {
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return topLevelType === 'topMouseMove' || topLevelType === 'topTouchMove';
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}
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function isStartish(topLevelType) {
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return topLevelType === 'topMouseDown' || topLevelType === 'topTouchStart';
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}
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var validateEventDispatches;
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{
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validateEventDispatches = function (event) {
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var dispatchListeners = event._dispatchListeners;
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var dispatchInstances = event._dispatchInstances;
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var listenersIsArr = Array.isArray(dispatchListeners);
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var listenersLen = listenersIsArr ? dispatchListeners.length : dispatchListeners ? 1 : 0;
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var instancesIsArr = Array.isArray(dispatchInstances);
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var instancesLen = instancesIsArr ? dispatchInstances.length : dispatchInstances ? 1 : 0;
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warning(instancesIsArr === listenersIsArr && instancesLen === listenersLen, 'EventPluginUtils: Invalid `event`.');
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};
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}
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/**
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* Dispatch the event to the listener.
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* @param {SyntheticEvent} event SyntheticEvent to handle
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* @param {boolean} simulated If the event is simulated (changes exn behavior)
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* @param {function} listener Application-level callback
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* @param {*} inst Internal component instance
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*/
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function executeDispatch(event, simulated, listener, inst) {
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var type = event.type || 'unknown-event';
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event.currentTarget = EventPluginUtils.getNodeFromInstance(inst);
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ReactErrorUtils_1.invokeGuardedCallbackAndCatchFirstError(type, listener, undefined, event);
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event.currentTarget = null;
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}
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/**
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* Standard/simple iteration through an event's collected dispatches.
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*/
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function executeDispatchesInOrder(event, simulated) {
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var dispatchListeners = event._dispatchListeners;
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var dispatchInstances = event._dispatchInstances;
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{
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validateEventDispatches(event);
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}
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if (Array.isArray(dispatchListeners)) {
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for (var i = 0; i < dispatchListeners.length; i++) {
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if (event.isPropagationStopped()) {
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break;
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}
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// Listeners and Instances are two parallel arrays that are always in sync.
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executeDispatch(event, simulated, dispatchListeners[i], dispatchInstances[i]);
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}
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} else if (dispatchListeners) {
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executeDispatch(event, simulated, dispatchListeners, dispatchInstances);
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}
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event._dispatchListeners = null;
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event._dispatchInstances = null;
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}
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/**
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* Standard/simple iteration through an event's collected dispatches, but stops
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* at the first dispatch execution returning true, and returns that id.
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*
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* @return {?string} id of the first dispatch execution who's listener returns
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* true, or null if no listener returned true.
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*/
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function executeDispatchesInOrderStopAtTrueImpl(event) {
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var dispatchListeners = event._dispatchListeners;
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var dispatchInstances = event._dispatchInstances;
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{
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validateEventDispatches(event);
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}
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if (Array.isArray(dispatchListeners)) {
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for (var i = 0; i < dispatchListeners.length; i++) {
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if (event.isPropagationStopped()) {
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break;
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}
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// Listeners and Instances are two parallel arrays that are always in sync.
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if (dispatchListeners[i](event, dispatchInstances[i])) {
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return dispatchInstances[i];
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}
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}
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} else if (dispatchListeners) {
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if (dispatchListeners(event, dispatchInstances)) {
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return dispatchInstances;
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}
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}
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return null;
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}
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/**
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* @see executeDispatchesInOrderStopAtTrueImpl
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*/
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function executeDispatchesInOrderStopAtTrue(event) {
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var ret = executeDispatchesInOrderStopAtTrueImpl(event);
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event._dispatchInstances = null;
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event._dispatchListeners = null;
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return ret;
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}
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/**
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* Execution of a "direct" dispatch - there must be at most one dispatch
|
|
* accumulated on the event or it is considered an error. It doesn't really make
|
|
* sense for an event with multiple dispatches (bubbled) to keep track of the
|
|
* return values at each dispatch execution, but it does tend to make sense when
|
|
* dealing with "direct" dispatches.
|
|
*
|
|
* @return {*} The return value of executing the single dispatch.
|
|
*/
|
|
function executeDirectDispatch(event) {
|
|
{
|
|
validateEventDispatches(event);
|
|
}
|
|
var dispatchListener = event._dispatchListeners;
|
|
var dispatchInstance = event._dispatchInstances;
|
|
!!Array.isArray(dispatchListener) ? invariant_1(false, 'executeDirectDispatch(...): Invalid `event`.') : void 0;
|
|
event.currentTarget = dispatchListener ? EventPluginUtils.getNodeFromInstance(dispatchInstance) : null;
|
|
var res = dispatchListener ? dispatchListener(event) : null;
|
|
event.currentTarget = null;
|
|
event._dispatchListeners = null;
|
|
event._dispatchInstances = null;
|
|
return res;
|
|
}
|
|
|
|
/**
|
|
* @param {SyntheticEvent} event
|
|
* @return {boolean} True iff number of dispatches accumulated is greater than 0.
|
|
*/
|
|
function hasDispatches(event) {
|
|
return !!event._dispatchListeners;
|
|
}
|
|
|
|
/**
|
|
* General utilities that are useful in creating custom Event Plugins.
|
|
*/
|
|
var EventPluginUtils = {
|
|
isEndish: isEndish,
|
|
isMoveish: isMoveish,
|
|
isStartish: isStartish,
|
|
|
|
executeDirectDispatch: executeDirectDispatch,
|
|
executeDispatchesInOrder: executeDispatchesInOrder,
|
|
executeDispatchesInOrderStopAtTrue: executeDispatchesInOrderStopAtTrue,
|
|
hasDispatches: hasDispatches,
|
|
|
|
getFiberCurrentPropsFromNode: function (node) {
|
|
return ComponentTree.getFiberCurrentPropsFromNode(node);
|
|
},
|
|
getInstanceFromNode: function (node) {
|
|
return ComponentTree.getInstanceFromNode(node);
|
|
},
|
|
getNodeFromInstance: function (node) {
|
|
return ComponentTree.getNodeFromInstance(node);
|
|
},
|
|
|
|
injection: injection
|
|
};
|
|
|
|
var EventPluginUtils_1 = EventPluginUtils;
|
|
|
|
/**
|
|
* 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) ? invariant_1(false, 'EventPluginRegistry: Cannot inject event plugins that do not exist in the plugin ordering, `%s`.', pluginName) : void 0;
|
|
if (EventPluginRegistry.plugins[pluginIndex]) {
|
|
continue;
|
|
}
|
|
!pluginModule.extractEvents ? invariant_1(false, 'EventPluginRegistry: Event plugins must implement an `extractEvents` method, but `%s` does not.', pluginName) : void 0;
|
|
EventPluginRegistry.plugins[pluginIndex] = pluginModule;
|
|
var publishedEvents = pluginModule.eventTypes;
|
|
for (var eventName in publishedEvents) {
|
|
!publishEventForPlugin(publishedEvents[eventName], pluginModule, eventName) ? invariant_1(false, 'EventPluginRegistry: Failed to publish event `%s` for plugin `%s`.', 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) ? invariant_1(false, 'EventPluginHub: More than one plugin attempted to publish the same event name, `%s`.', 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.
|
|
*
|
|
* @param {string} registrationName Registration name to add.
|
|
* @param {object} PluginModule Plugin publishing the event.
|
|
* @private
|
|
*/
|
|
function publishRegistrationName(registrationName, pluginModule, eventName) {
|
|
!!EventPluginRegistry.registrationNameModules[registrationName] ? invariant_1(false, 'EventPluginHub: More than one plugin attempted to publish the same registration name, `%s`.', registrationName) : void 0;
|
|
EventPluginRegistry.registrationNameModules[registrationName] = pluginModule;
|
|
EventPluginRegistry.registrationNameDependencies[registrationName] = pluginModule.eventTypes[eventName].dependencies;
|
|
|
|
{
|
|
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 true.
|
|
* @type {Object}
|
|
*/
|
|
possibleRegistrationNames: {},
|
|
// Trust the developer to only use possibleRegistrationNames in true
|
|
|
|
/**
|
|
* 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 ? invariant_1(false, 'EventPluginRegistry: Cannot inject event plugin ordering more than once. You are likely trying to load more than one copy of React.') : 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] ? invariant_1(false, 'EventPluginRegistry: Cannot inject two different event plugins using the same name, `%s`.', pluginName) : void 0;
|
|
namesToPlugins[pluginName] = pluginModule;
|
|
isOrderingDirty = true;
|
|
}
|
|
}
|
|
if (isOrderingDirty) {
|
|
recomputePluginOrdering();
|
|
}
|
|
}
|
|
};
|
|
|
|
var EventPluginRegistry_1 = EventPluginRegistry;
|
|
|
|
/**
|
|
* Accumulates items that must not be null or undefined into the first one. This
|
|
* is used to conserve memory by avoiding array allocations, and thus sacrifices
|
|
* API cleanness. Since `current` can be null before being passed in and not
|
|
* null after this function, make sure to assign it back to `current`:
|
|
*
|
|
* `a = accumulateInto(a, b);`
|
|
*
|
|
* This API should be sparingly used. Try `accumulate` for something cleaner.
|
|
*
|
|
* @return {*|array<*>} An accumulation of items.
|
|
*/
|
|
|
|
function accumulateInto(current, next) {
|
|
!(next != null) ? invariant_1(false, 'accumulateInto(...): Accumulated items must not be null or undefined.') : void 0;
|
|
|
|
if (current == null) {
|
|
return next;
|
|
}
|
|
|
|
// Both are not empty. Warning: Never call x.concat(y) when you are not
|
|
// certain that x is an Array (x could be a string with concat method).
|
|
if (Array.isArray(current)) {
|
|
if (Array.isArray(next)) {
|
|
current.push.apply(current, next);
|
|
return current;
|
|
}
|
|
current.push(next);
|
|
return current;
|
|
}
|
|
|
|
if (Array.isArray(next)) {
|
|
// A bit too dangerous to mutate `next`.
|
|
return [current].concat(next);
|
|
}
|
|
|
|
return [current, next];
|
|
}
|
|
|
|
var accumulateInto_1 = accumulateInto;
|
|
|
|
/**
|
|
* Copyright (c) 2013-present, Facebook, Inc.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*
|
|
* @providesModule forEachAccumulated
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* @param {array} arr an "accumulation" of items which is either an Array or
|
|
* a single item. Useful when paired with the `accumulate` module. This is a
|
|
* simple utility that allows us to reason about a collection of items, but
|
|
* handling the case when there is exactly one item (and we do not need to
|
|
* allocate an array).
|
|
* @param {function} cb Callback invoked with each element or a collection.
|
|
* @param {?} [scope] Scope used as `this` in a callback.
|
|
*/
|
|
|
|
function forEachAccumulated(arr, cb, scope) {
|
|
if (Array.isArray(arr)) {
|
|
arr.forEach(cb, scope);
|
|
} else if (arr) {
|
|
cb.call(scope, arr);
|
|
}
|
|
}
|
|
|
|
var forEachAccumulated_1 = forEachAccumulated;
|
|
|
|
/**
|
|
* Internal queue of events that have accumulated their dispatches and are
|
|
* waiting to have their dispatches executed.
|
|
*/
|
|
var eventQueue = null;
|
|
|
|
/**
|
|
* Dispatches an event and releases it back into the pool, unless persistent.
|
|
*
|
|
* @param {?object} event Synthetic event to be dispatched.
|
|
* @param {boolean} simulated If the event is simulated (changes exn behavior)
|
|
* @private
|
|
*/
|
|
var executeDispatchesAndRelease = function (event, simulated) {
|
|
if (event) {
|
|
EventPluginUtils_1.executeDispatchesInOrder(event, simulated);
|
|
|
|
if (!event.isPersistent()) {
|
|
event.constructor.release(event);
|
|
}
|
|
}
|
|
};
|
|
var executeDispatchesAndReleaseSimulated = function (e) {
|
|
return executeDispatchesAndRelease(e, true);
|
|
};
|
|
var executeDispatchesAndReleaseTopLevel = function (e) {
|
|
return executeDispatchesAndRelease(e, false);
|
|
};
|
|
|
|
function isInteractive(tag) {
|
|
return tag === 'button' || tag === 'input' || tag === 'select' || tag === 'textarea';
|
|
}
|
|
|
|
function shouldPreventMouseEvent(name, type, props) {
|
|
switch (name) {
|
|
case 'onClick':
|
|
case 'onClickCapture':
|
|
case 'onDoubleClick':
|
|
case 'onDoubleClickCapture':
|
|
case 'onMouseDown':
|
|
case 'onMouseDownCapture':
|
|
case 'onMouseMove':
|
|
case 'onMouseMoveCapture':
|
|
case 'onMouseUp':
|
|
case 'onMouseUpCapture':
|
|
return !!(props.disabled && isInteractive(type));
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This is a unified interface for event plugins to be installed and configured.
|
|
*
|
|
* Event plugins can implement the following properties:
|
|
*
|
|
* `extractEvents` {function(string, DOMEventTarget, string, object): *}
|
|
* Required. When a top-level event is fired, this method is expected to
|
|
* extract synthetic events that will in turn be queued and dispatched.
|
|
*
|
|
* `eventTypes` {object}
|
|
* Optional, plugins that fire events must publish a mapping of registration
|
|
* names that are used to register listeners. Values of this mapping must
|
|
* be objects that contain `registrationName` or `phasedRegistrationNames`.
|
|
*
|
|
* `executeDispatch` {function(object, function, string)}
|
|
* Optional, allows plugins to override how an event gets dispatched. By
|
|
* default, the listener is simply invoked.
|
|
*
|
|
* Each plugin that is injected into `EventsPluginHub` is immediately operable.
|
|
*
|
|
* @public
|
|
*/
|
|
var EventPluginHub = {
|
|
/**
|
|
* Methods for injecting dependencies.
|
|
*/
|
|
injection: {
|
|
/**
|
|
* @param {array} InjectedEventPluginOrder
|
|
* @public
|
|
*/
|
|
injectEventPluginOrder: EventPluginRegistry_1.injectEventPluginOrder,
|
|
|
|
/**
|
|
* @param {object} injectedNamesToPlugins Map from names to plugin modules.
|
|
*/
|
|
injectEventPluginsByName: EventPluginRegistry_1.injectEventPluginsByName
|
|
},
|
|
|
|
/**
|
|
* @param {object} inst The instance, which is the source of events.
|
|
* @param {string} registrationName Name of listener (e.g. `onClick`).
|
|
* @return {?function} The stored callback.
|
|
*/
|
|
getListener: function (inst, registrationName) {
|
|
var listener;
|
|
|
|
// TODO: shouldPreventMouseEvent is DOM-specific and definitely should not
|
|
// live here; needs to be moved to a better place soon
|
|
if (typeof inst.tag === 'number') {
|
|
var stateNode = inst.stateNode;
|
|
if (!stateNode) {
|
|
// Work in progress (ex: onload events in incremental mode).
|
|
return null;
|
|
}
|
|
var props = EventPluginUtils_1.getFiberCurrentPropsFromNode(stateNode);
|
|
if (!props) {
|
|
// Work in progress.
|
|
return null;
|
|
}
|
|
listener = props[registrationName];
|
|
if (shouldPreventMouseEvent(registrationName, inst.type, props)) {
|
|
return null;
|
|
}
|
|
} else {
|
|
var currentElement = inst._currentElement;
|
|
if (typeof currentElement === 'string' || typeof currentElement === 'number') {
|
|
// Text node, let it bubble through.
|
|
return null;
|
|
}
|
|
if (!inst._rootNodeID) {
|
|
// If the instance is already unmounted, we have no listeners.
|
|
return null;
|
|
}
|
|
var _props = currentElement.props;
|
|
listener = _props[registrationName];
|
|
if (shouldPreventMouseEvent(registrationName, currentElement.type, _props)) {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
!(!listener || typeof listener === 'function') ? invariant_1(false, 'Expected `%s` listener to be a function, instead got a value of `%s` type.', registrationName, typeof listener) : void 0;
|
|
return listener;
|
|
},
|
|
|
|
/**
|
|
* Allows registered plugins an opportunity to extract events from top-level
|
|
* native browser events.
|
|
*
|
|
* @return {*} An accumulation of synthetic events.
|
|
* @internal
|
|
*/
|
|
extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {
|
|
var events;
|
|
var plugins = EventPluginRegistry_1.plugins;
|
|
for (var i = 0; i < plugins.length; i++) {
|
|
// Not every plugin in the ordering may be loaded at runtime.
|
|
var possiblePlugin = plugins[i];
|
|
if (possiblePlugin) {
|
|
var extractedEvents = possiblePlugin.extractEvents(topLevelType, targetInst, nativeEvent, nativeEventTarget);
|
|
if (extractedEvents) {
|
|
events = accumulateInto_1(events, extractedEvents);
|
|
}
|
|
}
|
|
}
|
|
return events;
|
|
},
|
|
|
|
/**
|
|
* Enqueues a synthetic event that should be dispatched when
|
|
* `processEventQueue` is invoked.
|
|
*
|
|
* @param {*} events An accumulation of synthetic events.
|
|
* @internal
|
|
*/
|
|
enqueueEvents: function (events) {
|
|
if (events) {
|
|
eventQueue = accumulateInto_1(eventQueue, events);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Dispatches all synthetic events on the event queue.
|
|
*
|
|
* @internal
|
|
*/
|
|
processEventQueue: function (simulated) {
|
|
// Set `eventQueue` to null before processing it so that we can tell if more
|
|
// events get enqueued while processing.
|
|
var processingEventQueue = eventQueue;
|
|
eventQueue = null;
|
|
if (simulated) {
|
|
forEachAccumulated_1(processingEventQueue, executeDispatchesAndReleaseSimulated);
|
|
} else {
|
|
forEachAccumulated_1(processingEventQueue, executeDispatchesAndReleaseTopLevel);
|
|
}
|
|
!!eventQueue ? invariant_1(false, 'processEventQueue(): Additional events were enqueued while processing an event queue. Support for this has not yet been implemented.') : void 0;
|
|
// This would be a good time to rethrow if any of the event handlers threw.
|
|
ReactErrorUtils_1.rethrowCaughtError();
|
|
}
|
|
};
|
|
|
|
var EventPluginHub_1 = EventPluginHub;
|
|
|
|
/**
|
|
* Copyright (c) 2013-present, Facebook, Inc.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*
|
|
* @providesModule ReactTypeOfWork
|
|
*
|
|
*/
|
|
|
|
var ReactTypeOfWork = {
|
|
IndeterminateComponent: 0, // Before we know whether it is functional or class
|
|
FunctionalComponent: 1,
|
|
ClassComponent: 2,
|
|
HostRoot: 3, // Root of a host tree. Could be nested inside another node.
|
|
HostPortal: 4, // A subtree. Could be an entry point to a different renderer.
|
|
HostComponent: 5,
|
|
HostText: 6,
|
|
CoroutineComponent: 7,
|
|
CoroutineHandlerPhase: 8,
|
|
YieldComponent: 9,
|
|
Fragment: 10
|
|
};
|
|
|
|
var HostComponent = ReactTypeOfWork.HostComponent;
|
|
|
|
function getParent(inst) {
|
|
if (inst._hostParent !== undefined) {
|
|
return inst._hostParent;
|
|
}
|
|
if (typeof inst.tag === 'number') {
|
|
do {
|
|
inst = inst['return'];
|
|
// TODO: If this is a HostRoot we might want to bail out.
|
|
// That is depending on if we want nested subtrees (layers) to bubble
|
|
// events to their parent. We could also go through parentNode on the
|
|
// host node but that wouldn't work for React Native and doesn't let us
|
|
// do the portal feature.
|
|
} while (inst && inst.tag !== HostComponent);
|
|
if (inst) {
|
|
return inst;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Return the lowest common ancestor of A and B, or null if they are in
|
|
* different trees.
|
|
*/
|
|
function getLowestCommonAncestor(instA, instB) {
|
|
var depthA = 0;
|
|
for (var tempA = instA; tempA; tempA = getParent(tempA)) {
|
|
depthA++;
|
|
}
|
|
var depthB = 0;
|
|
for (var tempB = instB; tempB; tempB = getParent(tempB)) {
|
|
depthB++;
|
|
}
|
|
|
|
// If A is deeper, crawl up.
|
|
while (depthA - depthB > 0) {
|
|
instA = getParent(instA);
|
|
depthA--;
|
|
}
|
|
|
|
// If B is deeper, crawl up.
|
|
while (depthB - depthA > 0) {
|
|
instB = getParent(instB);
|
|
depthB--;
|
|
}
|
|
|
|
// Walk in lockstep until we find a match.
|
|
var depth = depthA;
|
|
while (depth--) {
|
|
if (instA === instB || instA === instB.alternate) {
|
|
return instA;
|
|
}
|
|
instA = getParent(instA);
|
|
instB = getParent(instB);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Return if A is an ancestor of B.
|
|
*/
|
|
function isAncestor(instA, instB) {
|
|
while (instB) {
|
|
if (instA === instB || instA === instB.alternate) {
|
|
return true;
|
|
}
|
|
instB = getParent(instB);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Return the parent instance of the passed-in instance.
|
|
*/
|
|
function getParentInstance(inst) {
|
|
return getParent(inst);
|
|
}
|
|
|
|
/**
|
|
* Simulates the traversal of a two-phase, capture/bubble event dispatch.
|
|
*/
|
|
function traverseTwoPhase(inst, fn, arg) {
|
|
var path = [];
|
|
while (inst) {
|
|
path.push(inst);
|
|
inst = getParent(inst);
|
|
}
|
|
var i;
|
|
for (i = path.length; i-- > 0;) {
|
|
fn(path[i], 'captured', arg);
|
|
}
|
|
for (i = 0; i < path.length; i++) {
|
|
fn(path[i], 'bubbled', arg);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Traverses the ID hierarchy and invokes the supplied `cb` on any IDs that
|
|
* should would receive a `mouseEnter` or `mouseLeave` event.
|
|
*
|
|
* Does not invoke the callback on the nearest common ancestor because nothing
|
|
* "entered" or "left" that element.
|
|
*/
|
|
function traverseEnterLeave(from, to, fn, argFrom, argTo) {
|
|
var common = from && to ? getLowestCommonAncestor(from, to) : null;
|
|
var pathFrom = [];
|
|
while (from && from !== common) {
|
|
pathFrom.push(from);
|
|
from = getParent(from);
|
|
}
|
|
var pathTo = [];
|
|
while (to && to !== common) {
|
|
pathTo.push(to);
|
|
to = getParent(to);
|
|
}
|
|
var i;
|
|
for (i = 0; i < pathFrom.length; i++) {
|
|
fn(pathFrom[i], 'bubbled', argFrom);
|
|
}
|
|
for (i = pathTo.length; i-- > 0;) {
|
|
fn(pathTo[i], 'captured', argTo);
|
|
}
|
|
}
|
|
|
|
var ReactTreeTraversal = {
|
|
isAncestor: isAncestor,
|
|
getLowestCommonAncestor: getLowestCommonAncestor,
|
|
getParentInstance: getParentInstance,
|
|
traverseTwoPhase: traverseTwoPhase,
|
|
traverseEnterLeave: traverseEnterLeave
|
|
};
|
|
|
|
var getListener = EventPluginHub_1.getListener;
|
|
|
|
{
|
|
var warning$2 = warning_1;
|
|
}
|
|
|
|
/**
|
|
* Some event types have a notion of different registration names for different
|
|
* "phases" of propagation. This finds listeners by a given phase.
|
|
*/
|
|
function listenerAtPhase(inst, event, propagationPhase) {
|
|
var registrationName = event.dispatchConfig.phasedRegistrationNames[propagationPhase];
|
|
return getListener(inst, registrationName);
|
|
}
|
|
|
|
/**
|
|
* Tags a `SyntheticEvent` with dispatched listeners. Creating this function
|
|
* here, allows us to not have to bind or create functions for each event.
|
|
* Mutating the event's members allows us to not have to create a wrapping
|
|
* "dispatch" object that pairs the event with the listener.
|
|
*/
|
|
function accumulateDirectionalDispatches(inst, phase, event) {
|
|
{
|
|
warning$2(inst, 'Dispatching inst must not be null');
|
|
}
|
|
var listener = listenerAtPhase(inst, event, phase);
|
|
if (listener) {
|
|
event._dispatchListeners = accumulateInto_1(event._dispatchListeners, listener);
|
|
event._dispatchInstances = accumulateInto_1(event._dispatchInstances, inst);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Collect dispatches (must be entirely collected before dispatching - see unit
|
|
* tests). Lazily allocate the array to conserve memory. We must loop through
|
|
* each event and perform the traversal for each one. We cannot perform a
|
|
* single traversal for the entire collection of events because each event may
|
|
* have a different target.
|
|
*/
|
|
function accumulateTwoPhaseDispatchesSingle(event) {
|
|
if (event && event.dispatchConfig.phasedRegistrationNames) {
|
|
ReactTreeTraversal.traverseTwoPhase(event._targetInst, accumulateDirectionalDispatches, event);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Same as `accumulateTwoPhaseDispatchesSingle`, but skips over the targetID.
|
|
*/
|
|
function accumulateTwoPhaseDispatchesSingleSkipTarget(event) {
|
|
if (event && event.dispatchConfig.phasedRegistrationNames) {
|
|
var targetInst = event._targetInst;
|
|
var parentInst = targetInst ? ReactTreeTraversal.getParentInstance(targetInst) : null;
|
|
ReactTreeTraversal.traverseTwoPhase(parentInst, accumulateDirectionalDispatches, event);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Accumulates without regard to direction, does not look for phased
|
|
* registration names. Same as `accumulateDirectDispatchesSingle` but without
|
|
* requiring that the `dispatchMarker` be the same as the dispatched ID.
|
|
*/
|
|
function accumulateDispatches(inst, ignoredDirection, event) {
|
|
if (inst && event && event.dispatchConfig.registrationName) {
|
|
var registrationName = event.dispatchConfig.registrationName;
|
|
var listener = getListener(inst, registrationName);
|
|
if (listener) {
|
|
event._dispatchListeners = accumulateInto_1(event._dispatchListeners, listener);
|
|
event._dispatchInstances = accumulateInto_1(event._dispatchInstances, inst);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Accumulates dispatches on an `SyntheticEvent`, but only for the
|
|
* `dispatchMarker`.
|
|
* @param {SyntheticEvent} event
|
|
*/
|
|
function accumulateDirectDispatchesSingle(event) {
|
|
if (event && event.dispatchConfig.registrationName) {
|
|
accumulateDispatches(event._targetInst, null, event);
|
|
}
|
|
}
|
|
|
|
function accumulateTwoPhaseDispatches(events) {
|
|
forEachAccumulated_1(events, accumulateTwoPhaseDispatchesSingle);
|
|
}
|
|
|
|
function accumulateTwoPhaseDispatchesSkipTarget(events) {
|
|
forEachAccumulated_1(events, accumulateTwoPhaseDispatchesSingleSkipTarget);
|
|
}
|
|
|
|
function accumulateEnterLeaveDispatches(leave, enter, from, to) {
|
|
ReactTreeTraversal.traverseEnterLeave(from, to, accumulateDispatches, leave, enter);
|
|
}
|
|
|
|
function accumulateDirectDispatches(events) {
|
|
forEachAccumulated_1(events, accumulateDirectDispatchesSingle);
|
|
}
|
|
|
|
/**
|
|
* A small set of propagation patterns, each of which will accept a small amount
|
|
* of information, and generate a set of "dispatch ready event objects" - which
|
|
* are sets of events that have already been annotated with a set of dispatched
|
|
* listener functions/ids. The API is designed this way to discourage these
|
|
* propagation strategies from actually executing the dispatches, since we
|
|
* always want to collect the entire set of dispatches before executing even a
|
|
* single one.
|
|
*
|
|
* @constructor EventPropagators
|
|
*/
|
|
var EventPropagators = {
|
|
accumulateTwoPhaseDispatches: accumulateTwoPhaseDispatches,
|
|
accumulateTwoPhaseDispatchesSkipTarget: accumulateTwoPhaseDispatchesSkipTarget,
|
|
accumulateDirectDispatches: accumulateDirectDispatches,
|
|
accumulateEnterLeaveDispatches: accumulateEnterLeaveDispatches
|
|
};
|
|
|
|
var EventPropagators_1 = EventPropagators;
|
|
|
|
/*
|
|
object-assign
|
|
(c) Sindre Sorhus
|
|
@license MIT
|
|
*/
|
|
|
|
/* eslint-disable no-unused-vars */
|
|
var getOwnPropertySymbols = Object.getOwnPropertySymbols;
|
|
var hasOwnProperty = Object.prototype.hasOwnProperty;
|
|
var propIsEnumerable = Object.prototype.propertyIsEnumerable;
|
|
|
|
function toObject(val) {
|
|
if (val === null || val === undefined) {
|
|
throw new TypeError('Object.assign cannot be called with null or undefined');
|
|
}
|
|
|
|
return Object(val);
|
|
}
|
|
|
|
function shouldUseNative() {
|
|
try {
|
|
if (!Object.assign) {
|
|
return false;
|
|
}
|
|
|
|
// Detect buggy property enumeration order in older V8 versions.
|
|
|
|
// https://bugs.chromium.org/p/v8/issues/detail?id=4118
|
|
var test1 = new String('abc'); // eslint-disable-line no-new-wrappers
|
|
test1[5] = 'de';
|
|
if (Object.getOwnPropertyNames(test1)[0] === '5') {
|
|
return false;
|
|
}
|
|
|
|
// https://bugs.chromium.org/p/v8/issues/detail?id=3056
|
|
var test2 = {};
|
|
for (var i = 0; i < 10; i++) {
|
|
test2['_' + String.fromCharCode(i)] = i;
|
|
}
|
|
var order2 = Object.getOwnPropertyNames(test2).map(function (n) {
|
|
return test2[n];
|
|
});
|
|
if (order2.join('') !== '0123456789') {
|
|
return false;
|
|
}
|
|
|
|
// https://bugs.chromium.org/p/v8/issues/detail?id=3056
|
|
var test3 = {};
|
|
'abcdefghijklmnopqrst'.split('').forEach(function (letter) {
|
|
test3[letter] = letter;
|
|
});
|
|
if (Object.keys(Object.assign({}, test3)).join('') !==
|
|
'abcdefghijklmnopqrst') {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
} catch (err) {
|
|
// We don't expect any of the above to throw, but better to be safe.
|
|
return false;
|
|
}
|
|
}
|
|
|
|
var index = shouldUseNative() ? Object.assign : function (target, source) {
|
|
var from;
|
|
var to = toObject(target);
|
|
var symbols;
|
|
|
|
for (var s = 1; s < arguments.length; s++) {
|
|
from = Object(arguments[s]);
|
|
|
|
for (var key in from) {
|
|
if (hasOwnProperty.call(from, key)) {
|
|
to[key] = from[key];
|
|
}
|
|
}
|
|
|
|
if (getOwnPropertySymbols) {
|
|
symbols = getOwnPropertySymbols(from);
|
|
for (var i = 0; i < symbols.length; i++) {
|
|
if (propIsEnumerable.call(from, symbols[i])) {
|
|
to[symbols[i]] = from[symbols[i]];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return to;
|
|
};
|
|
|
|
var didWarnForAddedNewProperty = false;
|
|
var isProxySupported = typeof Proxy === 'function';
|
|
var EVENT_POOL_SIZE = 10;
|
|
|
|
{
|
|
var warning$3 = warning_1;
|
|
}
|
|
|
|
var shouldBeReleasedProperties = ['dispatchConfig', '_targetInst', 'nativeEvent', 'isDefaultPrevented', 'isPropagationStopped', '_dispatchListeners', '_dispatchInstances'];
|
|
|
|
/**
|
|
* @interface Event
|
|
* @see http://www.w3.org/TR/DOM-Level-3-Events/
|
|
*/
|
|
var EventInterface = {
|
|
type: null,
|
|
target: null,
|
|
// currentTarget is set when dispatching; no use in copying it here
|
|
currentTarget: emptyFunction_1.thatReturnsNull,
|
|
eventPhase: null,
|
|
bubbles: null,
|
|
cancelable: null,
|
|
timeStamp: function (event) {
|
|
return event.timeStamp || Date.now();
|
|
},
|
|
defaultPrevented: null,
|
|
isTrusted: null
|
|
};
|
|
|
|
/**
|
|
* Synthetic events are dispatched by event plugins, typically in response to a
|
|
* top-level event delegation handler.
|
|
*
|
|
* These systems should generally use pooling to reduce the frequency of garbage
|
|
* collection. The system should check `isPersistent` to determine whether the
|
|
* event should be released into the pool after being dispatched. Users that
|
|
* need a persisted event should invoke `persist`.
|
|
*
|
|
* Synthetic events (and subclasses) implement the DOM Level 3 Events API by
|
|
* normalizing browser quirks. Subclasses do not necessarily have to implement a
|
|
* DOM interface; custom application-specific events can also subclass this.
|
|
*
|
|
* @param {object} dispatchConfig Configuration used to dispatch this event.
|
|
* @param {*} targetInst Marker identifying the event target.
|
|
* @param {object} nativeEvent Native browser event.
|
|
* @param {DOMEventTarget} nativeEventTarget Target node.
|
|
*/
|
|
function SyntheticEvent(dispatchConfig, targetInst, nativeEvent, nativeEventTarget) {
|
|
{
|
|
// these have a getter/setter for warnings
|
|
delete this.nativeEvent;
|
|
delete this.preventDefault;
|
|
delete this.stopPropagation;
|
|
}
|
|
|
|
this.dispatchConfig = dispatchConfig;
|
|
this._targetInst = targetInst;
|
|
this.nativeEvent = nativeEvent;
|
|
|
|
var Interface = this.constructor.Interface;
|
|
for (var propName in Interface) {
|
|
if (!Interface.hasOwnProperty(propName)) {
|
|
continue;
|
|
}
|
|
{
|
|
delete this[propName]; // this has a getter/setter for warnings
|
|
}
|
|
var normalize = Interface[propName];
|
|
if (normalize) {
|
|
this[propName] = normalize(nativeEvent);
|
|
} else {
|
|
if (propName === 'target') {
|
|
this.target = nativeEventTarget;
|
|
} else {
|
|
this[propName] = nativeEvent[propName];
|
|
}
|
|
}
|
|
}
|
|
|
|
var defaultPrevented = nativeEvent.defaultPrevented != null ? nativeEvent.defaultPrevented : nativeEvent.returnValue === false;
|
|
if (defaultPrevented) {
|
|
this.isDefaultPrevented = emptyFunction_1.thatReturnsTrue;
|
|
} else {
|
|
this.isDefaultPrevented = emptyFunction_1.thatReturnsFalse;
|
|
}
|
|
this.isPropagationStopped = emptyFunction_1.thatReturnsFalse;
|
|
return this;
|
|
}
|
|
|
|
index(SyntheticEvent.prototype, {
|
|
preventDefault: function () {
|
|
this.defaultPrevented = true;
|
|
var event = this.nativeEvent;
|
|
if (!event) {
|
|
return;
|
|
}
|
|
|
|
if (event.preventDefault) {
|
|
event.preventDefault();
|
|
} else if (typeof event.returnValue !== 'unknown') {
|
|
event.returnValue = false;
|
|
}
|
|
this.isDefaultPrevented = emptyFunction_1.thatReturnsTrue;
|
|
},
|
|
|
|
stopPropagation: function () {
|
|
var event = this.nativeEvent;
|
|
if (!event) {
|
|
return;
|
|
}
|
|
|
|
if (event.stopPropagation) {
|
|
event.stopPropagation();
|
|
} else if (typeof event.cancelBubble !== 'unknown') {
|
|
// The ChangeEventPlugin registers a "propertychange" event for
|
|
// IE. This event does not support bubbling or cancelling, and
|
|
// any references to cancelBubble throw "Member not found". A
|
|
// typeof check of "unknown" circumvents this issue (and is also
|
|
// IE specific).
|
|
event.cancelBubble = true;
|
|
}
|
|
|
|
this.isPropagationStopped = emptyFunction_1.thatReturnsTrue;
|
|
},
|
|
|
|
/**
|
|
* We release all dispatched `SyntheticEvent`s after each event loop, adding
|
|
* them back into the pool. This allows a way to hold onto a reference that
|
|
* won't be added back into the pool.
|
|
*/
|
|
persist: function () {
|
|
this.isPersistent = emptyFunction_1.thatReturnsTrue;
|
|
},
|
|
|
|
/**
|
|
* Checks if this event should be released back into the pool.
|
|
*
|
|
* @return {boolean} True if this should not be released, false otherwise.
|
|
*/
|
|
isPersistent: emptyFunction_1.thatReturnsFalse,
|
|
|
|
/**
|
|
* `PooledClass` looks for `destructor` on each instance it releases.
|
|
*/
|
|
destructor: function () {
|
|
var Interface = this.constructor.Interface;
|
|
for (var propName in Interface) {
|
|
{
|
|
Object.defineProperty(this, propName, getPooledWarningPropertyDefinition(propName, Interface[propName]));
|
|
}
|
|
}
|
|
for (var i = 0; i < shouldBeReleasedProperties.length; i++) {
|
|
this[shouldBeReleasedProperties[i]] = null;
|
|
}
|
|
{
|
|
Object.defineProperty(this, 'nativeEvent', getPooledWarningPropertyDefinition('nativeEvent', null));
|
|
Object.defineProperty(this, 'preventDefault', getPooledWarningPropertyDefinition('preventDefault', emptyFunction_1));
|
|
Object.defineProperty(this, 'stopPropagation', getPooledWarningPropertyDefinition('stopPropagation', emptyFunction_1));
|
|
}
|
|
}
|
|
});
|
|
|
|
SyntheticEvent.Interface = EventInterface;
|
|
|
|
/**
|
|
* Helper to reduce boilerplate when creating subclasses.
|
|
*
|
|
* @param {function} Class
|
|
* @param {?object} Interface
|
|
*/
|
|
SyntheticEvent.augmentClass = function (Class, Interface) {
|
|
var Super = this;
|
|
|
|
var E = function () {};
|
|
E.prototype = Super.prototype;
|
|
var prototype = new E();
|
|
|
|
index(prototype, Class.prototype);
|
|
Class.prototype = prototype;
|
|
Class.prototype.constructor = Class;
|
|
|
|
Class.Interface = index({}, Super.Interface, Interface);
|
|
Class.augmentClass = Super.augmentClass;
|
|
addEventPoolingTo(Class);
|
|
};
|
|
|
|
/** Proxying after everything set on SyntheticEvent
|
|
* to resolve Proxy issue on some WebKit browsers
|
|
* in which some Event properties are set to undefined (GH#10010)
|
|
*/
|
|
{
|
|
if (isProxySupported) {
|
|
/*eslint-disable no-func-assign */
|
|
SyntheticEvent = new Proxy(SyntheticEvent, {
|
|
construct: function (target, args) {
|
|
return this.apply(target, Object.create(target.prototype), args);
|
|
},
|
|
apply: function (constructor, that, args) {
|
|
return new Proxy(constructor.apply(that, args), {
|
|
set: function (target, prop, value) {
|
|
if (prop !== 'isPersistent' && !target.constructor.Interface.hasOwnProperty(prop) && shouldBeReleasedProperties.indexOf(prop) === -1) {
|
|
warning$3(didWarnForAddedNewProperty || target.isPersistent(), "This synthetic event is reused for performance reasons. If you're " + "seeing this, you're adding a new property in the synthetic event object. " + 'The property is never released. See ' + 'https://fb.me/react-event-pooling for more information.');
|
|
didWarnForAddedNewProperty = true;
|
|
}
|
|
target[prop] = value;
|
|
return true;
|
|
}
|
|
});
|
|
}
|
|
});
|
|
/*eslint-enable no-func-assign */
|
|
}
|
|
}
|
|
|
|
addEventPoolingTo(SyntheticEvent);
|
|
|
|
var SyntheticEvent_1 = SyntheticEvent;
|
|
|
|
/**
|
|
* Helper to nullify syntheticEvent instance properties when destructing
|
|
*
|
|
* @param {String} propName
|
|
* @param {?object} getVal
|
|
* @return {object} defineProperty object
|
|
*/
|
|
function getPooledWarningPropertyDefinition(propName, getVal) {
|
|
var isFunction = typeof getVal === 'function';
|
|
return {
|
|
configurable: true,
|
|
set: set,
|
|
get: get
|
|
};
|
|
|
|
function set(val) {
|
|
var action = isFunction ? 'setting the method' : 'setting the property';
|
|
warn(action, 'This is effectively a no-op');
|
|
return val;
|
|
}
|
|
|
|
function get() {
|
|
var action = isFunction ? 'accessing the method' : 'accessing the property';
|
|
var result = isFunction ? 'This is a no-op function' : 'This is set to null';
|
|
warn(action, result);
|
|
return getVal;
|
|
}
|
|
|
|
function warn(action, result) {
|
|
var warningCondition = false;
|
|
warning$3(warningCondition, "This synthetic event is reused for performance reasons. If you're seeing this, " + "you're %s `%s` on a released/nullified synthetic event. %s. " + 'If you must keep the original synthetic event around, use event.persist(). ' + 'See https://fb.me/react-event-pooling for more information.', action, propName, result);
|
|
}
|
|
}
|
|
|
|
function getPooledEvent(dispatchConfig, targetInst, nativeEvent, nativeInst) {
|
|
var EventConstructor = this;
|
|
if (EventConstructor.eventPool.length) {
|
|
var instance = EventConstructor.eventPool.pop();
|
|
EventConstructor.call(instance, dispatchConfig, targetInst, nativeEvent, nativeInst);
|
|
return instance;
|
|
}
|
|
return new EventConstructor(dispatchConfig, targetInst, nativeEvent, nativeInst);
|
|
}
|
|
|
|
function releasePooledEvent(event) {
|
|
var EventConstructor = this;
|
|
!(event instanceof EventConstructor) ? invariant_1(false, 'Trying to release an event instance into a pool of a different type.') : void 0;
|
|
event.destructor();
|
|
if (EventConstructor.eventPool.length < EVENT_POOL_SIZE) {
|
|
EventConstructor.eventPool.push(event);
|
|
}
|
|
}
|
|
|
|
function addEventPoolingTo(EventConstructor) {
|
|
EventConstructor.eventPool = [];
|
|
EventConstructor.getPooled = getPooledEvent;
|
|
EventConstructor.release = releasePooledEvent;
|
|
}
|
|
|
|
/**
|
|
* `touchHistory` isn't actually on the native event, but putting it in the
|
|
* interface will ensure that it is cleaned up when pooled/destroyed. The
|
|
* `ResponderEventPlugin` will populate it appropriately.
|
|
*/
|
|
var ResponderEventInterface = {
|
|
touchHistory: function (nativeEvent) {
|
|
return null; // Actually doesn't even look at the native event.
|
|
}
|
|
};
|
|
|
|
/**
|
|
* @param {object} dispatchConfig Configuration used to dispatch this event.
|
|
* @param {string} dispatchMarker Marker identifying the event target.
|
|
* @param {object} nativeEvent Native event.
|
|
* @extends {SyntheticEvent}
|
|
*/
|
|
function ResponderSyntheticEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
|
|
return SyntheticEvent_1.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
|
|
}
|
|
|
|
SyntheticEvent_1.augmentClass(ResponderSyntheticEvent, ResponderEventInterface);
|
|
|
|
var ResponderSyntheticEvent_1 = ResponderSyntheticEvent;
|
|
|
|
var isEndish$2 = EventPluginUtils_1.isEndish;
|
|
var isMoveish$2 = EventPluginUtils_1.isMoveish;
|
|
var isStartish$2 = EventPluginUtils_1.isStartish;
|
|
|
|
|
|
{
|
|
var warning$4 = warning_1;
|
|
}
|
|
|
|
/**
|
|
* Tracks the position and time of each active touch by `touch.identifier`. We
|
|
* should typically only see IDs in the range of 1-20 because IDs get recycled
|
|
* when touches end and start again.
|
|
*/
|
|
|
|
|
|
var MAX_TOUCH_BANK = 20;
|
|
var touchBank = [];
|
|
var touchHistory = {
|
|
touchBank: touchBank,
|
|
numberActiveTouches: 0,
|
|
// If there is only one active touch, we remember its location. This prevents
|
|
// us having to loop through all of the touches all the time in the most
|
|
// common case.
|
|
indexOfSingleActiveTouch: -1,
|
|
mostRecentTimeStamp: 0
|
|
};
|
|
|
|
function timestampForTouch(touch) {
|
|
// The legacy internal implementation provides "timeStamp", which has been
|
|
// renamed to "timestamp". Let both work for now while we iron it out
|
|
// TODO (evv): rename timeStamp to timestamp in internal code
|
|
return touch.timeStamp || touch.timestamp;
|
|
}
|
|
|
|
/**
|
|
* TODO: Instead of making gestures recompute filtered velocity, we could
|
|
* include a built in velocity computation that can be reused globally.
|
|
*/
|
|
function createTouchRecord(touch) {
|
|
return {
|
|
touchActive: true,
|
|
startPageX: touch.pageX,
|
|
startPageY: touch.pageY,
|
|
startTimeStamp: timestampForTouch(touch),
|
|
currentPageX: touch.pageX,
|
|
currentPageY: touch.pageY,
|
|
currentTimeStamp: timestampForTouch(touch),
|
|
previousPageX: touch.pageX,
|
|
previousPageY: touch.pageY,
|
|
previousTimeStamp: timestampForTouch(touch)
|
|
};
|
|
}
|
|
|
|
function resetTouchRecord(touchRecord, touch) {
|
|
touchRecord.touchActive = true;
|
|
touchRecord.startPageX = touch.pageX;
|
|
touchRecord.startPageY = touch.pageY;
|
|
touchRecord.startTimeStamp = timestampForTouch(touch);
|
|
touchRecord.currentPageX = touch.pageX;
|
|
touchRecord.currentPageY = touch.pageY;
|
|
touchRecord.currentTimeStamp = timestampForTouch(touch);
|
|
touchRecord.previousPageX = touch.pageX;
|
|
touchRecord.previousPageY = touch.pageY;
|
|
touchRecord.previousTimeStamp = timestampForTouch(touch);
|
|
}
|
|
|
|
function getTouchIdentifier(_ref) {
|
|
var identifier = _ref.identifier;
|
|
|
|
!(identifier != null) ? invariant_1(false, 'Touch object is missing identifier.') : void 0;
|
|
{
|
|
warning$4(identifier <= MAX_TOUCH_BANK, 'Touch identifier %s is greater than maximum supported %s which causes ' + 'performance issues backfilling array locations for all of the indices.', identifier, MAX_TOUCH_BANK);
|
|
}
|
|
return identifier;
|
|
}
|
|
|
|
function recordTouchStart(touch) {
|
|
var identifier = getTouchIdentifier(touch);
|
|
var touchRecord = touchBank[identifier];
|
|
if (touchRecord) {
|
|
resetTouchRecord(touchRecord, touch);
|
|
} else {
|
|
touchBank[identifier] = createTouchRecord(touch);
|
|
}
|
|
touchHistory.mostRecentTimeStamp = timestampForTouch(touch);
|
|
}
|
|
|
|
function recordTouchMove(touch) {
|
|
var touchRecord = touchBank[getTouchIdentifier(touch)];
|
|
if (touchRecord) {
|
|
touchRecord.touchActive = true;
|
|
touchRecord.previousPageX = touchRecord.currentPageX;
|
|
touchRecord.previousPageY = touchRecord.currentPageY;
|
|
touchRecord.previousTimeStamp = touchRecord.currentTimeStamp;
|
|
touchRecord.currentPageX = touch.pageX;
|
|
touchRecord.currentPageY = touch.pageY;
|
|
touchRecord.currentTimeStamp = timestampForTouch(touch);
|
|
touchHistory.mostRecentTimeStamp = timestampForTouch(touch);
|
|
} else {
|
|
console.error('Cannot record touch move without a touch start.\n' + 'Touch Move: %s\n', 'Touch Bank: %s', printTouch(touch), printTouchBank());
|
|
}
|
|
}
|
|
|
|
function recordTouchEnd(touch) {
|
|
var touchRecord = touchBank[getTouchIdentifier(touch)];
|
|
if (touchRecord) {
|
|
touchRecord.touchActive = false;
|
|
touchRecord.previousPageX = touchRecord.currentPageX;
|
|
touchRecord.previousPageY = touchRecord.currentPageY;
|
|
touchRecord.previousTimeStamp = touchRecord.currentTimeStamp;
|
|
touchRecord.currentPageX = touch.pageX;
|
|
touchRecord.currentPageY = touch.pageY;
|
|
touchRecord.currentTimeStamp = timestampForTouch(touch);
|
|
touchHistory.mostRecentTimeStamp = timestampForTouch(touch);
|
|
} else {
|
|
console.error('Cannot record touch end without a touch start.\n' + 'Touch End: %s\n', 'Touch Bank: %s', printTouch(touch), printTouchBank());
|
|
}
|
|
}
|
|
|
|
function printTouch(touch) {
|
|
return JSON.stringify({
|
|
identifier: touch.identifier,
|
|
pageX: touch.pageX,
|
|
pageY: touch.pageY,
|
|
timestamp: timestampForTouch(touch)
|
|
});
|
|
}
|
|
|
|
function printTouchBank() {
|
|
var printed = JSON.stringify(touchBank.slice(0, MAX_TOUCH_BANK));
|
|
if (touchBank.length > MAX_TOUCH_BANK) {
|
|
printed += ' (original size: ' + touchBank.length + ')';
|
|
}
|
|
return printed;
|
|
}
|
|
|
|
var ResponderTouchHistoryStore = {
|
|
recordTouchTrack: function (topLevelType, nativeEvent) {
|
|
if (isMoveish$2(topLevelType)) {
|
|
nativeEvent.changedTouches.forEach(recordTouchMove);
|
|
} else if (isStartish$2(topLevelType)) {
|
|
nativeEvent.changedTouches.forEach(recordTouchStart);
|
|
touchHistory.numberActiveTouches = nativeEvent.touches.length;
|
|
if (touchHistory.numberActiveTouches === 1) {
|
|
touchHistory.indexOfSingleActiveTouch = nativeEvent.touches[0].identifier;
|
|
}
|
|
} else if (isEndish$2(topLevelType)) {
|
|
nativeEvent.changedTouches.forEach(recordTouchEnd);
|
|
touchHistory.numberActiveTouches = nativeEvent.touches.length;
|
|
if (touchHistory.numberActiveTouches === 1) {
|
|
for (var i = 0; i < touchBank.length; i++) {
|
|
var touchTrackToCheck = touchBank[i];
|
|
if (touchTrackToCheck != null && touchTrackToCheck.touchActive) {
|
|
touchHistory.indexOfSingleActiveTouch = i;
|
|
break;
|
|
}
|
|
}
|
|
{
|
|
var activeRecord = touchBank[touchHistory.indexOfSingleActiveTouch];
|
|
warning$4(activeRecord != null && activeRecord.touchActive, 'Cannot find single active touch.');
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
|
|
touchHistory: touchHistory
|
|
};
|
|
|
|
var ResponderTouchHistoryStore_1 = ResponderTouchHistoryStore;
|
|
|
|
/**
|
|
* Accumulates items that must not be null or undefined.
|
|
*
|
|
* This is used to conserve memory by avoiding array allocations.
|
|
*
|
|
* @return {*|array<*>} An accumulation of items.
|
|
*/
|
|
function accumulate(current, next) {
|
|
!(next != null) ? invariant_1(false, 'accumulate(...): Accumulated items must be not be null or undefined.') : void 0;
|
|
|
|
if (current == null) {
|
|
return next;
|
|
}
|
|
|
|
// Both are not empty. Warning: Never call x.concat(y) when you are not
|
|
// certain that x is an Array (x could be a string with concat method).
|
|
if (Array.isArray(current)) {
|
|
return current.concat(next);
|
|
}
|
|
|
|
if (Array.isArray(next)) {
|
|
return [current].concat(next);
|
|
}
|
|
|
|
return [current, next];
|
|
}
|
|
|
|
var accumulate_1 = accumulate;
|
|
|
|
var isStartish$1 = EventPluginUtils_1.isStartish;
|
|
var isMoveish$1 = EventPluginUtils_1.isMoveish;
|
|
var isEndish$1 = EventPluginUtils_1.isEndish;
|
|
var executeDirectDispatch$1 = EventPluginUtils_1.executeDirectDispatch;
|
|
var hasDispatches$1 = EventPluginUtils_1.hasDispatches;
|
|
var executeDispatchesInOrderStopAtTrue$1 = EventPluginUtils_1.executeDispatchesInOrderStopAtTrue;
|
|
|
|
/**
|
|
* Instance of element that should respond to touch/move types of interactions,
|
|
* as indicated explicitly by relevant callbacks.
|
|
*/
|
|
var responderInst = null;
|
|
|
|
/**
|
|
* Count of current touches. A textInput should become responder iff the
|
|
* selection changes while there is a touch on the screen.
|
|
*/
|
|
var trackedTouchCount = 0;
|
|
|
|
/**
|
|
* Last reported number of active touches.
|
|
*/
|
|
var previousActiveTouches = 0;
|
|
|
|
var changeResponder = function (nextResponderInst, blockHostResponder) {
|
|
var oldResponderInst = responderInst;
|
|
responderInst = nextResponderInst;
|
|
if (ResponderEventPlugin.GlobalResponderHandler !== null) {
|
|
ResponderEventPlugin.GlobalResponderHandler.onChange(oldResponderInst, nextResponderInst, blockHostResponder);
|
|
}
|
|
};
|
|
|
|
var eventTypes = {
|
|
/**
|
|
* On a `touchStart`/`mouseDown`, is it desired that this element become the
|
|
* responder?
|
|
*/
|
|
startShouldSetResponder: {
|
|
phasedRegistrationNames: {
|
|
bubbled: 'onStartShouldSetResponder',
|
|
captured: 'onStartShouldSetResponderCapture'
|
|
}
|
|
},
|
|
|
|
/**
|
|
* On a `scroll`, is it desired that this element become the responder? This
|
|
* is usually not needed, but should be used to retroactively infer that a
|
|
* `touchStart` had occurred during momentum scroll. During a momentum scroll,
|
|
* a touch start will be immediately followed by a scroll event if the view is
|
|
* currently scrolling.
|
|
*
|
|
* TODO: This shouldn't bubble.
|
|
*/
|
|
scrollShouldSetResponder: {
|
|
phasedRegistrationNames: {
|
|
bubbled: 'onScrollShouldSetResponder',
|
|
captured: 'onScrollShouldSetResponderCapture'
|
|
}
|
|
},
|
|
|
|
/**
|
|
* On text selection change, should this element become the responder? This
|
|
* is needed for text inputs or other views with native selection, so the
|
|
* JS view can claim the responder.
|
|
*
|
|
* TODO: This shouldn't bubble.
|
|
*/
|
|
selectionChangeShouldSetResponder: {
|
|
phasedRegistrationNames: {
|
|
bubbled: 'onSelectionChangeShouldSetResponder',
|
|
captured: 'onSelectionChangeShouldSetResponderCapture'
|
|
}
|
|
},
|
|
|
|
/**
|
|
* On a `touchMove`/`mouseMove`, is it desired that this element become the
|
|
* responder?
|
|
*/
|
|
moveShouldSetResponder: {
|
|
phasedRegistrationNames: {
|
|
bubbled: 'onMoveShouldSetResponder',
|
|
captured: 'onMoveShouldSetResponderCapture'
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Direct responder events dispatched directly to responder. Do not bubble.
|
|
*/
|
|
responderStart: { registrationName: 'onResponderStart' },
|
|
responderMove: { registrationName: 'onResponderMove' },
|
|
responderEnd: { registrationName: 'onResponderEnd' },
|
|
responderRelease: { registrationName: 'onResponderRelease' },
|
|
responderTerminationRequest: {
|
|
registrationName: 'onResponderTerminationRequest'
|
|
},
|
|
responderGrant: { registrationName: 'onResponderGrant' },
|
|
responderReject: { registrationName: 'onResponderReject' },
|
|
responderTerminate: { registrationName: 'onResponderTerminate' }
|
|
};
|
|
|
|
/**
|
|
*
|
|
* Responder System:
|
|
* ----------------
|
|
*
|
|
* - A global, solitary "interaction lock" on a view.
|
|
* - If a node becomes the responder, it should convey visual feedback
|
|
* immediately to indicate so, either by highlighting or moving accordingly.
|
|
* - To be the responder means, that touches are exclusively important to that
|
|
* responder view, and no other view.
|
|
* - While touches are still occurring, the responder lock can be transferred to
|
|
* a new view, but only to increasingly "higher" views (meaning ancestors of
|
|
* the current responder).
|
|
*
|
|
* Responder being granted:
|
|
* ------------------------
|
|
*
|
|
* - Touch starts, moves, and scrolls can cause an ID to become the responder.
|
|
* - We capture/bubble `startShouldSetResponder`/`moveShouldSetResponder` to
|
|
* the "appropriate place".
|
|
* - If nothing is currently the responder, the "appropriate place" is the
|
|
* initiating event's `targetID`.
|
|
* - If something *is* already the responder, the "appropriate place" is the
|
|
* first common ancestor of the event target and the current `responderInst`.
|
|
* - Some negotiation happens: See the timing diagram below.
|
|
* - Scrolled views automatically become responder. The reasoning is that a
|
|
* platform scroll view that isn't built on top of the responder system has
|
|
* began scrolling, and the active responder must now be notified that the
|
|
* interaction is no longer locked to it - the system has taken over.
|
|
*
|
|
* - Responder being released:
|
|
* As soon as no more touches that *started* inside of descendants of the
|
|
* *current* responderInst, an `onResponderRelease` event is dispatched to the
|
|
* current responder, and the responder lock is released.
|
|
*
|
|
* TODO:
|
|
* - on "end", a callback hook for `onResponderEndShouldRemainResponder` that
|
|
* determines if the responder lock should remain.
|
|
* - If a view shouldn't "remain" the responder, any active touches should by
|
|
* default be considered "dead" and do not influence future negotiations or
|
|
* bubble paths. It should be as if those touches do not exist.
|
|
* -- For multitouch: Usually a translate-z will choose to "remain" responder
|
|
* after one out of many touches ended. For translate-y, usually the view
|
|
* doesn't wish to "remain" responder after one of many touches end.
|
|
* - Consider building this on top of a `stopPropagation` model similar to
|
|
* `W3C` events.
|
|
* - Ensure that `onResponderTerminate` is called on touch cancels, whether or
|
|
* not `onResponderTerminationRequest` returns `true` or `false`.
|
|
*
|
|
*/
|
|
|
|
/* Negotiation Performed
|
|
+-----------------------+
|
|
/ \
|
|
Process low level events to + Current Responder + wantsResponderID
|
|
determine who to perform negot-| (if any exists at all) |
|
|
iation/transition | Otherwise just pass through|
|
|
-------------------------------+----------------------------+------------------+
|
|
Bubble to find first ID | |
|
|
to return true:wantsResponderID| |
|
|
| |
|
|
+-------------+ | |
|
|
| onTouchStart| | |
|
|
+------+------+ none | |
|
|
| return| |
|
|
+-----------v-------------+true| +------------------------+ |
|
|
|onStartShouldSetResponder|----->|onResponderStart (cur) |<-----------+
|
|
+-----------+-------------+ | +------------------------+ | |
|
|
| | | +--------+-------+
|
|
| returned true for| false:REJECT +-------->|onResponderReject
|
|
| wantsResponderID | | | +----------------+
|
|
| (now attempt | +------------------+-----+ |
|
|
| handoff) | | onResponder | |
|
|
+------------------->| TerminationRequest| |
|
|
| +------------------+-----+ |
|
|
| | | +----------------+
|
|
| true:GRANT +-------->|onResponderGrant|
|
|
| | +--------+-------+
|
|
| +------------------------+ | |
|
|
| | onResponderTerminate |<-----------+
|
|
| +------------------+-----+ |
|
|
| | | +----------------+
|
|
| +-------->|onResponderStart|
|
|
| | +----------------+
|
|
Bubble to find first ID | |
|
|
to return true:wantsResponderID| |
|
|
| |
|
|
+-------------+ | |
|
|
| onTouchMove | | |
|
|
+------+------+ none | |
|
|
| return| |
|
|
+-----------v-------------+true| +------------------------+ |
|
|
|onMoveShouldSetResponder |----->|onResponderMove (cur) |<-----------+
|
|
+-----------+-------------+ | +------------------------+ | |
|
|
| | | +--------+-------+
|
|
| returned true for| false:REJECT +-------->|onResponderRejec|
|
|
| wantsResponderID | | | +----------------+
|
|
| (now attempt | +------------------+-----+ |
|
|
| handoff) | | onResponder | |
|
|
+------------------->| TerminationRequest| |
|
|
| +------------------+-----+ |
|
|
| | | +----------------+
|
|
| true:GRANT +-------->|onResponderGrant|
|
|
| | +--------+-------+
|
|
| +------------------------+ | |
|
|
| | onResponderTerminate |<-----------+
|
|
| +------------------+-----+ |
|
|
| | | +----------------+
|
|
| +-------->|onResponderMove |
|
|
| | +----------------+
|
|
| |
|
|
| |
|
|
Some active touch started| |
|
|
inside current responder | +------------------------+ |
|
|
+------------------------->| onResponderEnd | |
|
|
| | +------------------------+ |
|
|
+---+---------+ | |
|
|
| onTouchEnd | | |
|
|
+---+---------+ | |
|
|
| | +------------------------+ |
|
|
+------------------------->| onResponderEnd | |
|
|
No active touches started| +-----------+------------+ |
|
|
inside current responder | | |
|
|
| v |
|
|
| +------------------------+ |
|
|
| | onResponderRelease | |
|
|
| +------------------------+ |
|
|
| |
|
|
+ + */
|
|
|
|
/**
|
|
* A note about event ordering in the `EventPluginHub`.
|
|
*
|
|
* Suppose plugins are injected in the following order:
|
|
*
|
|
* `[R, S, C]`
|
|
*
|
|
* To help illustrate the example, assume `S` is `SimpleEventPlugin` (for
|
|
* `onClick` etc) and `R` is `ResponderEventPlugin`.
|
|
*
|
|
* "Deferred-Dispatched Events":
|
|
*
|
|
* - The current event plugin system will traverse the list of injected plugins,
|
|
* in order, and extract events by collecting the plugin's return value of
|
|
* `extractEvents()`.
|
|
* - These events that are returned from `extractEvents` are "deferred
|
|
* dispatched events".
|
|
* - When returned from `extractEvents`, deferred-dispatched events contain an
|
|
* "accumulation" of deferred dispatches.
|
|
* - These deferred dispatches are accumulated/collected before they are
|
|
* returned, but processed at a later time by the `EventPluginHub` (hence the
|
|
* name deferred).
|
|
*
|
|
* In the process of returning their deferred-dispatched events, event plugins
|
|
* themselves can dispatch events on-demand without returning them from
|
|
* `extractEvents`. Plugins might want to do this, so that they can use event
|
|
* dispatching as a tool that helps them decide which events should be extracted
|
|
* in the first place.
|
|
*
|
|
* "On-Demand-Dispatched Events":
|
|
*
|
|
* - On-demand-dispatched events are not returned from `extractEvents`.
|
|
* - On-demand-dispatched events are dispatched during the process of returning
|
|
* the deferred-dispatched events.
|
|
* - They should not have side effects.
|
|
* - They should be avoided, and/or eventually be replaced with another
|
|
* abstraction that allows event plugins to perform multiple "rounds" of event
|
|
* extraction.
|
|
*
|
|
* Therefore, the sequence of event dispatches becomes:
|
|
*
|
|
* - `R`s on-demand events (if any) (dispatched by `R` on-demand)
|
|
* - `S`s on-demand events (if any) (dispatched by `S` on-demand)
|
|
* - `C`s on-demand events (if any) (dispatched by `C` on-demand)
|
|
* - `R`s extracted events (if any) (dispatched by `EventPluginHub`)
|
|
* - `S`s extracted events (if any) (dispatched by `EventPluginHub`)
|
|
* - `C`s extracted events (if any) (dispatched by `EventPluginHub`)
|
|
*
|
|
* In the case of `ResponderEventPlugin`: If the `startShouldSetResponder`
|
|
* on-demand dispatch returns `true` (and some other details are satisfied) the
|
|
* `onResponderGrant` deferred dispatched event is returned from
|
|
* `extractEvents`. The sequence of dispatch executions in this case
|
|
* will appear as follows:
|
|
*
|
|
* - `startShouldSetResponder` (`ResponderEventPlugin` dispatches on-demand)
|
|
* - `touchStartCapture` (`EventPluginHub` dispatches as usual)
|
|
* - `touchStart` (`EventPluginHub` dispatches as usual)
|
|
* - `responderGrant/Reject` (`EventPluginHub` dispatches as usual)
|
|
*/
|
|
|
|
function setResponderAndExtractTransfer(topLevelType, targetInst, nativeEvent, nativeEventTarget) {
|
|
var shouldSetEventType = isStartish$1(topLevelType) ? eventTypes.startShouldSetResponder : isMoveish$1(topLevelType) ? eventTypes.moveShouldSetResponder : topLevelType === 'topSelectionChange' ? eventTypes.selectionChangeShouldSetResponder : eventTypes.scrollShouldSetResponder;
|
|
|
|
// TODO: stop one short of the current responder.
|
|
var bubbleShouldSetFrom = !responderInst ? targetInst : ReactTreeTraversal.getLowestCommonAncestor(responderInst, targetInst);
|
|
|
|
// When capturing/bubbling the "shouldSet" event, we want to skip the target
|
|
// (deepest ID) if it happens to be the current responder. The reasoning:
|
|
// It's strange to get an `onMoveShouldSetResponder` when you're *already*
|
|
// the responder.
|
|
var skipOverBubbleShouldSetFrom = bubbleShouldSetFrom === responderInst;
|
|
var shouldSetEvent = ResponderSyntheticEvent_1.getPooled(shouldSetEventType, bubbleShouldSetFrom, nativeEvent, nativeEventTarget);
|
|
shouldSetEvent.touchHistory = ResponderTouchHistoryStore_1.touchHistory;
|
|
if (skipOverBubbleShouldSetFrom) {
|
|
EventPropagators_1.accumulateTwoPhaseDispatchesSkipTarget(shouldSetEvent);
|
|
} else {
|
|
EventPropagators_1.accumulateTwoPhaseDispatches(shouldSetEvent);
|
|
}
|
|
var wantsResponderInst = executeDispatchesInOrderStopAtTrue$1(shouldSetEvent);
|
|
if (!shouldSetEvent.isPersistent()) {
|
|
shouldSetEvent.constructor.release(shouldSetEvent);
|
|
}
|
|
|
|
if (!wantsResponderInst || wantsResponderInst === responderInst) {
|
|
return null;
|
|
}
|
|
var extracted;
|
|
var grantEvent = ResponderSyntheticEvent_1.getPooled(eventTypes.responderGrant, wantsResponderInst, nativeEvent, nativeEventTarget);
|
|
grantEvent.touchHistory = ResponderTouchHistoryStore_1.touchHistory;
|
|
|
|
EventPropagators_1.accumulateDirectDispatches(grantEvent);
|
|
var blockHostResponder = executeDirectDispatch$1(grantEvent) === true;
|
|
if (responderInst) {
|
|
var terminationRequestEvent = ResponderSyntheticEvent_1.getPooled(eventTypes.responderTerminationRequest, responderInst, nativeEvent, nativeEventTarget);
|
|
terminationRequestEvent.touchHistory = ResponderTouchHistoryStore_1.touchHistory;
|
|
EventPropagators_1.accumulateDirectDispatches(terminationRequestEvent);
|
|
var shouldSwitch = !hasDispatches$1(terminationRequestEvent) || executeDirectDispatch$1(terminationRequestEvent);
|
|
if (!terminationRequestEvent.isPersistent()) {
|
|
terminationRequestEvent.constructor.release(terminationRequestEvent);
|
|
}
|
|
|
|
if (shouldSwitch) {
|
|
var terminateEvent = ResponderSyntheticEvent_1.getPooled(eventTypes.responderTerminate, responderInst, nativeEvent, nativeEventTarget);
|
|
terminateEvent.touchHistory = ResponderTouchHistoryStore_1.touchHistory;
|
|
EventPropagators_1.accumulateDirectDispatches(terminateEvent);
|
|
extracted = accumulate_1(extracted, [grantEvent, terminateEvent]);
|
|
changeResponder(wantsResponderInst, blockHostResponder);
|
|
} else {
|
|
var rejectEvent = ResponderSyntheticEvent_1.getPooled(eventTypes.responderReject, wantsResponderInst, nativeEvent, nativeEventTarget);
|
|
rejectEvent.touchHistory = ResponderTouchHistoryStore_1.touchHistory;
|
|
EventPropagators_1.accumulateDirectDispatches(rejectEvent);
|
|
extracted = accumulate_1(extracted, rejectEvent);
|
|
}
|
|
} else {
|
|
extracted = accumulate_1(extracted, grantEvent);
|
|
changeResponder(wantsResponderInst, blockHostResponder);
|
|
}
|
|
return extracted;
|
|
}
|
|
|
|
/**
|
|
* A transfer is a negotiation between a currently set responder and the next
|
|
* element to claim responder status. Any start event could trigger a transfer
|
|
* of responderInst. Any move event could trigger a transfer.
|
|
*
|
|
* @param {string} topLevelType Record from `BrowserEventConstants`.
|
|
* @return {boolean} True if a transfer of responder could possibly occur.
|
|
*/
|
|
function canTriggerTransfer(topLevelType, topLevelInst, nativeEvent) {
|
|
return topLevelInst && (
|
|
// responderIgnoreScroll: We are trying to migrate away from specifically
|
|
// tracking native scroll events here and responderIgnoreScroll indicates we
|
|
// will send topTouchCancel to handle canceling touch events instead
|
|
topLevelType === 'topScroll' && !nativeEvent.responderIgnoreScroll || trackedTouchCount > 0 && topLevelType === 'topSelectionChange' || isStartish$1(topLevelType) || isMoveish$1(topLevelType));
|
|
}
|
|
|
|
/**
|
|
* Returns whether or not this touch end event makes it such that there are no
|
|
* longer any touches that started inside of the current `responderInst`.
|
|
*
|
|
* @param {NativeEvent} nativeEvent Native touch end event.
|
|
* @return {boolean} Whether or not this touch end event ends the responder.
|
|
*/
|
|
function noResponderTouches(nativeEvent) {
|
|
var touches = nativeEvent.touches;
|
|
if (!touches || touches.length === 0) {
|
|
return true;
|
|
}
|
|
for (var i = 0; i < touches.length; i++) {
|
|
var activeTouch = touches[i];
|
|
var target = activeTouch.target;
|
|
if (target !== null && target !== undefined && target !== 0) {
|
|
// Is the original touch location inside of the current responder?
|
|
var targetInst = EventPluginUtils_1.getInstanceFromNode(target);
|
|
if (ReactTreeTraversal.isAncestor(responderInst, targetInst)) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
var ResponderEventPlugin = {
|
|
/* For unit testing only */
|
|
_getResponder: function () {
|
|
return responderInst;
|
|
},
|
|
|
|
eventTypes: eventTypes,
|
|
|
|
/**
|
|
* We must be resilient to `targetInst` being `null` on `touchMove` or
|
|
* `touchEnd`. On certain platforms, this means that a native scroll has
|
|
* assumed control and the original touch targets are destroyed.
|
|
*/
|
|
extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {
|
|
if (isStartish$1(topLevelType)) {
|
|
trackedTouchCount += 1;
|
|
} else if (isEndish$1(topLevelType)) {
|
|
if (trackedTouchCount >= 0) {
|
|
trackedTouchCount -= 1;
|
|
} else {
|
|
console.error('Ended a touch event which was not counted in `trackedTouchCount`.');
|
|
return null;
|
|
}
|
|
}
|
|
|
|
ResponderTouchHistoryStore_1.recordTouchTrack(topLevelType, nativeEvent);
|
|
|
|
var extracted = canTriggerTransfer(topLevelType, targetInst, nativeEvent) ? setResponderAndExtractTransfer(topLevelType, targetInst, nativeEvent, nativeEventTarget) : null;
|
|
// Responder may or may not have transferred on a new touch start/move.
|
|
// Regardless, whoever is the responder after any potential transfer, we
|
|
// direct all touch start/move/ends to them in the form of
|
|
// `onResponderMove/Start/End`. These will be called for *every* additional
|
|
// finger that move/start/end, dispatched directly to whoever is the
|
|
// current responder at that moment, until the responder is "released".
|
|
//
|
|
// These multiple individual change touch events are are always bookended
|
|
// by `onResponderGrant`, and one of
|
|
// (`onResponderRelease/onResponderTerminate`).
|
|
var isResponderTouchStart = responderInst && isStartish$1(topLevelType);
|
|
var isResponderTouchMove = responderInst && isMoveish$1(topLevelType);
|
|
var isResponderTouchEnd = responderInst && isEndish$1(topLevelType);
|
|
var incrementalTouch = isResponderTouchStart ? eventTypes.responderStart : isResponderTouchMove ? eventTypes.responderMove : isResponderTouchEnd ? eventTypes.responderEnd : null;
|
|
|
|
if (incrementalTouch) {
|
|
var gesture = ResponderSyntheticEvent_1.getPooled(incrementalTouch, responderInst, nativeEvent, nativeEventTarget);
|
|
gesture.touchHistory = ResponderTouchHistoryStore_1.touchHistory;
|
|
EventPropagators_1.accumulateDirectDispatches(gesture);
|
|
extracted = accumulate_1(extracted, gesture);
|
|
}
|
|
|
|
var isResponderTerminate = responderInst && topLevelType === 'topTouchCancel';
|
|
var isResponderRelease = responderInst && !isResponderTerminate && isEndish$1(topLevelType) && noResponderTouches(nativeEvent);
|
|
var finalTouch = isResponderTerminate ? eventTypes.responderTerminate : isResponderRelease ? eventTypes.responderRelease : null;
|
|
if (finalTouch) {
|
|
var finalEvent = ResponderSyntheticEvent_1.getPooled(finalTouch, responderInst, nativeEvent, nativeEventTarget);
|
|
finalEvent.touchHistory = ResponderTouchHistoryStore_1.touchHistory;
|
|
EventPropagators_1.accumulateDirectDispatches(finalEvent);
|
|
extracted = accumulate_1(extracted, finalEvent);
|
|
changeResponder(null);
|
|
}
|
|
|
|
var numberActiveTouches = ResponderTouchHistoryStore_1.touchHistory.numberActiveTouches;
|
|
if (ResponderEventPlugin.GlobalInteractionHandler && numberActiveTouches !== previousActiveTouches) {
|
|
ResponderEventPlugin.GlobalInteractionHandler.onChange(numberActiveTouches);
|
|
}
|
|
previousActiveTouches = numberActiveTouches;
|
|
|
|
return extracted;
|
|
},
|
|
|
|
GlobalResponderHandler: null,
|
|
GlobalInteractionHandler: null,
|
|
|
|
injection: {
|
|
/**
|
|
* @param {{onChange: (ReactID, ReactID) => void} GlobalResponderHandler
|
|
* Object that handles any change in responder. Use this to inject
|
|
* integration with an existing touch handling system etc.
|
|
*/
|
|
injectGlobalResponderHandler: function (GlobalResponderHandler) {
|
|
ResponderEventPlugin.GlobalResponderHandler = GlobalResponderHandler;
|
|
},
|
|
|
|
/**
|
|
* @param {{onChange: (numberActiveTouches) => void} GlobalInteractionHandler
|
|
* Object that handles any change in the number of active touches.
|
|
*/
|
|
injectGlobalInteractionHandler: function (GlobalInteractionHandler) {
|
|
ResponderEventPlugin.GlobalInteractionHandler = GlobalInteractionHandler;
|
|
}
|
|
}
|
|
};
|
|
|
|
var ResponderEventPlugin_1 = ResponderEventPlugin;
|
|
|
|
/**
|
|
* Copyright (c) 2013-present, Facebook, Inc.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*
|
|
* @providesModule ReactDOMUnstableNativeDependenciesEntry
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
|
var ReactDOMUnstableNativeDependencies = {
|
|
injectComponentTree: EventPluginUtils_1.injection.injectComponentTree,
|
|
ResponderEventPlugin: ResponderEventPlugin_1,
|
|
ResponderTouchHistoryStore: ResponderTouchHistoryStore_1
|
|
};
|
|
|
|
// Inject react-dom's ComponentTree into this module.
|
|
|
|
var ReactDOMComponentTree = reactDom.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED.ReactDOMComponentTree;
|
|
|
|
ReactDOMUnstableNativeDependencies.injectComponentTree(ReactDOMComponentTree);
|
|
|
|
var ReactDOMUnstableNativeDependenciesEntry = ReactDOMUnstableNativeDependencies;
|
|
|
|
return ReactDOMUnstableNativeDependenciesEntry;
|
|
|
|
})));
|