From 796e5c23b9035575293d2b6b4c1ad385e46b56c1 Mon Sep 17 00:00:00 2001 From: Russell Steadman Date: Fri, 12 Jun 2020 16:23:51 -0400 Subject: [PATCH 1/9] Support for trusted types --- .eslintrc | 2 +- README.md | 1 + dist/index.js | 27 +- docs/bundle.js | 40703 +++++++++++++++++++++--------------- example/webpack.config.js | 1 - package-lock.json | 2835 +-- package.json | 9 +- src/index.js | 17 +- 8 files changed, 24875 insertions(+), 18720 deletions(-) diff --git a/.eslintrc b/.eslintrc index eb769e0..fce09de 100644 --- a/.eslintrc +++ b/.eslintrc @@ -34,7 +34,7 @@ "no-mixed-spaces-and-tabs": 1, "no-unused-vars": 1, "no-unreachable": 1, - "no-multiple-empty-lines": [1, {max: 1, maxEOF: 0, maxBOF: 0}], + "no-multiple-empty-lines": [1, {"max": 1, "maxEOF": 0, "maxBOF": 0}], "object-curly-spacing": [1, "always"], "prefer-const": 1, "react/jsx-no-undef": 1, diff --git a/README.md b/README.md index e8fa584..1aa9343 100644 --- a/README.md +++ b/README.md @@ -86,6 +86,7 @@ A few optional props you can tweak. * onLoaded: callback when the recaptcha is loaded. **Default: noop.** * style: custom CSS applied to the root node. **Default: undefined.** * tabindex: tabindex of the challenge. **Default: 0.** +* trustedTypesPolicy: the Trusted Types policy to use for the script url. **Default: null.** ## APIs ## diff --git a/dist/index.js b/dist/index.js index 750feab..a389c17 100644 --- a/dist/index.js +++ b/dist/index.js @@ -16,9 +16,7 @@ var _propTypes = require('prop-types'); var _propTypes2 = _interopRequireDefault(_propTypes); -var _v = require('uuid/v4'); - -var _v2 = _interopRequireDefault(_v); +var _uuid = require('uuid'); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } @@ -30,7 +28,7 @@ function _inherits(subClass, superClass) { if (typeof superClass !== "function" var renderers = []; -var injectScript = function injectScript(locale, nonce) { +var injectScript = function injectScript(locale, nonce, trustedTypesPolicy) { window.GoogleRecaptchaLoaded = function () { while (renderers.length) { var renderer = renderers.shift(); @@ -38,6 +36,12 @@ var injectScript = function injectScript(locale, nonce) { } }; + var recaptchaSource = 'https://www.google.com/recaptcha/api.js?' + (locale && 'hl=' + locale) + '&onload=GoogleRecaptchaLoaded&render=explicit'; + + if (typeof window.trustedTypes !== 'undefined' && trustedTypesPolicy) { + recaptchaSource = trustedTypesPolicy.createScriptURL(recaptchaSource); + } + var script = document.createElement('script'); script.async = true; script.defer = true; @@ -45,7 +49,7 @@ var injectScript = function injectScript(locale, nonce) { script.onerror = function (error) { throw error; }; - script.src = 'https://www.google.com/recaptcha/api.js?' + (locale && 'hl=' + locale) + '&onload=GoogleRecaptchaLoaded&render=explicit'; + script.src = recaptchaSource; script.type = 'text/javascript'; nonce && script.setAttribute("nonce", nonce); document.body.appendChild(script); @@ -74,10 +78,11 @@ var GoogleRecaptcha = function (_React$Component) { onLoaded = _props.onLoaded, onResolved = _props.onResolved, sitekey = _props.sitekey, - tabindex = _props.tabindex; + tabindex = _props.tabindex, + trustedTypesPolicy = _props.trustedTypesPolicy; - this.callbackName = 'GoogleRecaptchaResolved-' + (0, _v2.default)(); + this.callbackName = 'GoogleRecaptchaResolved-' + (0, _uuid.v4)(); window[this.callbackName] = onResolved; var loaded = function loaded() { @@ -113,7 +118,7 @@ var GoogleRecaptcha = function (_React$Component) { } else { renderers.push(loaded); if (!document.querySelector('#recaptcha')) { - injectScript(locale, nonce); + injectScript(locale, nonce, trustedTypesPolicy); } } } @@ -158,7 +163,8 @@ GoogleRecaptcha.propTypes = { onLoaded: _propTypes2.default.func, sitekey: _propTypes2.default.string.isRequired, style: _propTypes2.default.object, - tabindex: _propTypes2.default.number + tabindex: _propTypes2.default.number, + trustedTypesPolicy: _propTypes2.default.object }; GoogleRecaptcha.defaultProps = { @@ -168,7 +174,8 @@ GoogleRecaptcha.defaultProps = { onError: function onError() {}, onLoaded: function onLoaded() {}, onResolved: function onResolved() {}, - tabindex: 0 + tabindex: 0, + trustedTypesPolicy: null }; exports.default = GoogleRecaptcha; \ No newline at end of file diff --git a/docs/bundle.js b/docs/bundle.js index 070e409..687d799 100644 --- a/docs/bundle.js +++ b/docs/bundle.js @@ -60,7 +60,7 @@ /******/ __webpack_require__.p = "./"; /******/ /******/ // Load entry module and return exports -/******/ return __webpack_require__(__webpack_require__.s = 7); +/******/ return __webpack_require__(__webpack_require__.s = 10); /******/ }) /************************************************************************/ /******/ ([ @@ -358,9 +358,9 @@ module.exports = shouldUseNative() ? Object.assign : function (target, source) { /* WEBPACK VAR INJECTION */(function(process) { if (process.env.NODE_ENV === 'production') { - module.exports = __webpack_require__(9); + module.exports = __webpack_require__(12); } else { - module.exports = __webpack_require__(10); + module.exports = __webpack_require__(13); } /* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(0))) @@ -384,6 +384,7 @@ var printWarning = function() {}; if (process.env.NODE_ENV !== 'production') { var ReactPropTypesSecret = __webpack_require__(4); var loggedTypeFailures = {}; + var has = Function.call.bind(Object.prototype.hasOwnProperty); printWarning = function(text) { var message = 'Warning: ' + text; @@ -413,7 +414,7 @@ if (process.env.NODE_ENV !== 'production') { function checkPropTypes(typeSpecs, values, location, componentName, getStack) { if (process.env.NODE_ENV !== 'production') { for (var typeSpecName in typeSpecs) { - if (typeSpecs.hasOwnProperty(typeSpecName)) { + if (has(typeSpecs, typeSpecName)) { var error; // Prop type validation may throw. In case they do, we don't want to // fail the render phase where it didn't fail before. So we log it. @@ -441,8 +442,7 @@ function checkPropTypes(typeSpecs, values, location, componentName, getStack) { 'You may have forgotten to pass an argument to the type checker ' + 'creator (arrayOf, instanceOf, objectOf, oneOf, oneOfType, and ' + 'shape all require an argument).' - ) - + ); } if (error instanceof Error && !(error.message in loggedTypeFailures)) { // Only monitor this failure once because there tends to be a lot of the @@ -460,6 +460,17 @@ function checkPropTypes(typeSpecs, values, location, componentName, getStack) { } } +/** + * Resets warning cache when testing. + * + * @private + */ +checkPropTypes.resetWarningCache = function() { + if (process.env.NODE_ENV !== 'production') { + loggedTypeFailures = {}; + } +} + module.exports = checkPropTypes; /* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(0))) @@ -485,55 +496,161 @@ module.exports = ReactPropTypesSecret; /***/ }), /* 5 */ +/***/ (function(module, __webpack_exports__, __webpack_require__) { + +"use strict"; +/** + * Convert array of 16 byte values to UUID string format of the form: + * XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX + */ +var byteToHex = []; + +for (var i = 0; i < 256; ++i) { + byteToHex.push((i + 0x100).toString(16).substr(1)); +} + +function bytesToUuid(buf, offset) { + var i = offset || 0; + var bth = byteToHex; // Note: Be careful editing this code! It's been tuned for performance + // and works in ways you may not expect. See https://github.com/uuidjs/uuid/pull/434 + + return (bth[buf[i + 0]] + bth[buf[i + 1]] + bth[buf[i + 2]] + bth[buf[i + 3]] + '-' + bth[buf[i + 4]] + bth[buf[i + 5]] + '-' + bth[buf[i + 6]] + bth[buf[i + 7]] + '-' + bth[buf[i + 8]] + bth[buf[i + 9]] + '-' + bth[buf[i + 10]] + bth[buf[i + 11]] + bth[buf[i + 12]] + bth[buf[i + 13]] + bth[buf[i + 14]] + bth[buf[i + 15]]).toLowerCase(); +} + +/* harmony default export */ __webpack_exports__["a"] = (bytesToUuid); + +/***/ }), +/* 6 */ /***/ (function(module, exports, __webpack_require__) { "use strict"; /* WEBPACK VAR INJECTION */(function(process) { if (process.env.NODE_ENV === 'production') { - module.exports = __webpack_require__(13); + module.exports = __webpack_require__(16); } else { - module.exports = __webpack_require__(14); + module.exports = __webpack_require__(17); } /* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(0))) /***/ }), -/* 6 */ -/***/ (function(module, exports) { +/* 7 */ +/***/ (function(module, exports, __webpack_require__) { + +"use strict"; +/* WEBPACK VAR INJECTION */(function(process) { -var g; - -// This works in non-strict mode -g = (function() { - return this; -})(); - -try { - // This works if eval is allowed (see CSP) - g = g || Function("return this")() || (1,eval)("this"); -} catch(e) { - // This works if the window reference is available - if(typeof window === "object") - g = window; -} - -// g can still be undefined, but nothing to do about it... -// We return undefined, instead of nothing here, so it's -// easier to handle this case. if(!global) { ...} - -module.exports = g; +if (process.env.NODE_ENV === 'production') { + module.exports = __webpack_require__(25); +} else { + module.exports = __webpack_require__(26); +} +/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(0))) /***/ }), -/* 7 */ +/* 8 */ +/***/ (function(module, __webpack_exports__, __webpack_require__) { + +"use strict"; +/* harmony export (immutable) */ __webpack_exports__["a"] = rng; +// Unique ID creation requires a high quality random # generator. In the browser we therefore +// require the crypto API and do not support built-in fallback to lower quality random number +// generators (like Math.random()). +// getRandomValues needs to be invoked in a context where "this" is a Crypto implementation. Also, +// find the complete implementation of crypto (msCrypto) on IE11. +var getRandomValues = typeof crypto !== 'undefined' && crypto.getRandomValues && crypto.getRandomValues.bind(crypto) || typeof msCrypto !== 'undefined' && typeof msCrypto.getRandomValues === 'function' && msCrypto.getRandomValues.bind(msCrypto); +var rnds8 = new Uint8Array(16); +function rng() { + if (!getRandomValues) { + throw new Error('crypto.getRandomValues() not supported. See https://github.com/uuidjs/uuid#getrandomvalues-not-supported'); + } + + return getRandomValues(rnds8); +} + +/***/ }), +/* 9 */ +/***/ (function(module, __webpack_exports__, __webpack_require__) { + +"use strict"; +/* unused harmony export DNS */ +/* unused harmony export URL */ +/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__bytesToUuid_js__ = __webpack_require__(5); + + +function uuidToBytes(uuid) { + // Note: We assume we're being passed a valid uuid string + var bytes = []; + uuid.replace(/[a-fA-F0-9]{2}/g, function (hex) { + bytes.push(parseInt(hex, 16)); + }); + return bytes; +} + +function stringToBytes(str) { + str = unescape(encodeURIComponent(str)); // UTF8 escape + + var bytes = []; + + for (var i = 0; i < str.length; ++i) { + bytes.push(str.charCodeAt(i)); + } + + return bytes; +} + +var DNS = '6ba7b810-9dad-11d1-80b4-00c04fd430c8'; +var URL = '6ba7b811-9dad-11d1-80b4-00c04fd430c8'; +/* harmony default export */ __webpack_exports__["a"] = (function (name, version, hashfunc) { + function generateUUID(value, namespace, buf, offset) { + var off = buf && offset || 0; + if (typeof value === 'string') value = stringToBytes(value); + if (typeof namespace === 'string') namespace = uuidToBytes(namespace); + + if (!Array.isArray(value)) { + throw TypeError('value must be an array of bytes'); + } + + if (!Array.isArray(namespace) || namespace.length !== 16) { + throw TypeError('namespace must be uuid string or an Array of 16 byte values'); + } // Per 4.3 + + + var bytes = hashfunc(namespace.concat(value)); + bytes[6] = bytes[6] & 0x0f | version; + bytes[8] = bytes[8] & 0x3f | 0x80; + + if (buf) { + for (var idx = 0; idx < 16; ++idx) { + buf[off + idx] = bytes[idx]; + } + } + + return buf || Object(__WEBPACK_IMPORTED_MODULE_0__bytesToUuid_js__["a" /* default */])(bytes); + } // Function#name is not settable on some platforms (#270) + + + try { + generateUUID.name = name; // eslint-disable-next-line no-empty + } catch (err) {} // For CommonJS default export support + + + generateUUID.DNS = DNS; + generateUUID.URL = URL; + return generateUUID; +}); + +/***/ }), +/* 10 */ /***/ (function(module, exports, __webpack_require__) { -module.exports = __webpack_require__(8); +module.exports = __webpack_require__(11); /***/ }), -/* 8 */ +/* 11 */ /***/ (function(module, exports, __webpack_require__) { "use strict"; @@ -545,11 +662,11 @@ var _react = __webpack_require__(2); var _react2 = _interopRequireDefault(_react); -var _reactDom = __webpack_require__(11); +var _reactDom = __webpack_require__(14); var _reactDom2 = _interopRequireDefault(_reactDom); -var _ = __webpack_require__(19); +var _ = __webpack_require__(22); var _2 = _interopRequireDefault(_); @@ -658,7 +775,7 @@ window.onload = function () { }; /***/ }), -/* 9 */ +/* 12 */ /***/ (function(module, exports, __webpack_require__) { "use strict"; @@ -689,7 +806,7 @@ unstable_ConcurrentMode:x,unstable_Profiler:u,__SECRET_INTERNALS_DO_NOT_USE_OR_Y /***/ }), -/* 10 */ +/* 13 */ 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requestAnimationFrame. Make sure that you load a polyfill in older browsers. https://fb.me/react-polyfills"), -"function"!==typeof B&&console.error("This browser doesn't support cancelAnimationFrame. Make sure that you load a polyfill in older browsers. https://fb.me/react-polyfills"));var K=null,L=!1,M=-1,N=!1,O=!1,P=0,R=33,S=33;w=function(){return P<=exports.unstable_now()};var T=new MessageChannel,U=T.port2;T.port1.onmessage=function(){L=!1;var a=K,b=M;K=null;M=-1;var d=exports.unstable_now(),e=!1;if(0>=P-d)if(-1!==b&&b<=d)e=!0;else{N||(N=!0,E(V));K=a;M=b;return}if(null!==a){O=!0;try{a(e)}finally{O=!1}}}; -var V=function(a){if(null!==K){E(V);var b=a-P+S;bb&&(b=8),S=bb?U.postMessage(void 0):N||(N=!0,E(V))};q=function(){K=null;L=!1;M=-1}}exports.unstable_ImmediatePriority=1;exports.unstable_UserBlockingPriority=2;exports.unstable_NormalPriority=3;exports.unstable_IdlePriority=5;exports.unstable_LowPriority=4; -exports.unstable_runWithPriority=function(a,b){switch(a){case 1:case 2:case 3:case 4:case 5:break;default:a=3}var d=h,e=k;h=a;k=exports.unstable_now();try{return b()}finally{h=d,k=e,v()}}; -exports.unstable_scheduleCallback=function(a,b){var d=-1!==k?k:exports.unstable_now();if("object"===typeof b&&null!==b&&"number"===typeof b.timeout)b=d+b.timeout;else switch(h){case 1:b=d+-1;break;case 2:b=d+250;break;case 5:b=d+1073741823;break;case 4:b=d+1E4;break;default:b=d+5E3}a={callback:a,priorityLevel:h,expirationTime:b,next:null,previous:null};if(null===c)c=a.next=a.previous=a,p();else{d=null;var e=c;do{if(e.expirationTime>b){d=e;break}e=e.next}while(e!==c);null===d?d=c:d===c&&(c=a,p()); -b=d.previous;b.next=d.previous=a;a.next=d;a.previous=b}return a};exports.unstable_cancelCallback=function(a){var b=a.next;if(null!==b){if(b===a)c=null;else{a===c&&(c=b);var d=a.previous;d.next=b;b.previous=d}a.next=a.previous=null}};exports.unstable_wrapCallback=function(a){var b=h;return function(){var d=h,e=k;h=b;k=exports.unstable_now();try{return a.apply(this,arguments)}finally{h=d,k=e,v()}}};exports.unstable_getCurrentPriorityLevel=function(){return h}; -exports.unstable_shouldYield=function(){return!f&&(null!==c&&c.expirationTime=G};l=function(){};exports.unstable_forceFrameRate=function(a){0>a||125>>1,e=a[d];if(void 0!==e&&0K(n,c))void 0!==r&&0>K(r,n)?(a[d]=r,a[v]=c,d=v):(a[d]=n,a[m]=c,d=m);else if(void 0!==r&&0>K(r,c))a[d]=r,a[v]=c,d=v;else break a}}return b}return null}function K(a,b){var c=a.sortIndex-b.sortIndex;return 0!==c?c:a.id-b.id}var N=[],O=[],P=1,Q=null,R=3,S=!1,T=!1,U=!1; +function V(a){for(var b=L(O);null!==b;){if(null===b.callback)M(O);else if(b.startTime<=a)M(O),b.sortIndex=b.expirationTime,J(N,b);else break;b=L(O)}}function W(a){U=!1;V(a);if(!T)if(null!==L(N))T=!0,f(X);else{var b=L(O);null!==b&&g(W,b.startTime-a)}} +function X(a,b){T=!1;U&&(U=!1,h());S=!0;var c=R;try{V(b);for(Q=L(N);null!==Q&&(!(Q.expirationTime>b)||a&&!k());){var d=Q.callback;if(null!==d){Q.callback=null;R=Q.priorityLevel;var e=d(Q.expirationTime<=b);b=exports.unstable_now();"function"===typeof e?Q.callback=e:Q===L(N)&&M(N);V(b)}else M(N);Q=L(N)}if(null!==Q)var m=!0;else{var n=L(O);null!==n&&g(W,n.startTime-b);m=!1}return m}finally{Q=null,R=c,S=!1}} +function Y(a){switch(a){case 1:return-1;case 2:return 250;case 5:return 1073741823;case 4:return 1E4;default:return 5E3}}var Z=l;exports.unstable_IdlePriority=5;exports.unstable_ImmediatePriority=1;exports.unstable_LowPriority=4;exports.unstable_NormalPriority=3;exports.unstable_Profiling=null;exports.unstable_UserBlockingPriority=2;exports.unstable_cancelCallback=function(a){a.callback=null};exports.unstable_continueExecution=function(){T||S||(T=!0,f(X))}; +exports.unstable_getCurrentPriorityLevel=function(){return R};exports.unstable_getFirstCallbackNode=function(){return L(N)};exports.unstable_next=function(a){switch(R){case 1:case 2:case 3:var b=3;break;default:b=R}var c=R;R=b;try{return a()}finally{R=c}};exports.unstable_pauseExecution=function(){};exports.unstable_requestPaint=Z;exports.unstable_runWithPriority=function(a,b){switch(a){case 1:case 2:case 3:case 4:case 5:break;default:a=3}var c=R;R=a;try{return b()}finally{R=c}}; +exports.unstable_scheduleCallback=function(a,b,c){var d=exports.unstable_now();if("object"===typeof c&&null!==c){var e=c.delay;e="number"===typeof e&&0d?(a.sortIndex=e,J(O,a),null===L(N)&&a===L(O)&&(U?h():U=!0,g(W,e-d))):(a.sortIndex=c,J(N,a),T||S||(T=!0,f(X)));return a}; +exports.unstable_shouldYield=function(){var a=exports.unstable_now();V(a);var b=L(N);return b!==Q&&null!==Q&&null!==b&&null!==b.callback&&b.startTime<=a&&b.expirationTime= deadline; + }; // Since we yield every frame regardless, `requestPaint` has no effect. -// TODO: Use symbols? -var ImmediatePriority = 1; -var UserBlockingPriority = 2; -var NormalPriority = 3; -var LowPriority = 4; -var IdlePriority = 5; -// Max 31 bit integer. The max integer size in V8 for 32-bit systems. -// Math.pow(2, 30) - 1 -// 0b111111111111111111111111111111 -var maxSigned31BitInt = 1073741823; + requestPaint = function () {}; + } -// Times out immediately -var IMMEDIATE_PRIORITY_TIMEOUT = -1; -// Eventually times out -var USER_BLOCKING_PRIORITY = 250; -var NORMAL_PRIORITY_TIMEOUT = 5000; -var LOW_PRIORITY_TIMEOUT = 10000; -// Never times out -var IDLE_PRIORITY = maxSigned31BitInt; + exports.unstable_forceFrameRate = function (fps) { + if (fps < 0 || fps > 125) { + // Using console['error'] to evade Babel and ESLint + console['error']('forceFrameRate takes a positive int between 0 and 125, ' + 'forcing framerates higher than 125 fps is not unsupported'); + return; + } -// Callbacks are stored as a circular, doubly linked list. -var firstCallbackNode = null; + if (fps > 0) { + yieldInterval = Math.floor(1000 / fps); + } else { + // reset the framerate + yieldInterval = 5; + } + }; -var currentDidTimeout = false; -// Pausing the scheduler is useful for debugging. -var isSchedulerPaused = false; + var performWorkUntilDeadline = function () { + if (scheduledHostCallback !== null) { + var currentTime = exports.unstable_now(); // Yield after `yieldInterval` ms, regardless of where we are in the vsync + // cycle. This means there's always time remaining at the beginning of + // the message event. -var currentPriorityLevel = NormalPriority; -var currentEventStartTime = -1; -var currentExpirationTime = -1; + deadline = currentTime + yieldInterval; + var hasTimeRemaining = true; -// This is set when a callback is being executed, to prevent re-entrancy. -var isExecutingCallback = false; + try { + var hasMoreWork = scheduledHostCallback(hasTimeRemaining, currentTime); -var isHostCallbackScheduled = false; + if (!hasMoreWork) { + isMessageLoopRunning = false; + scheduledHostCallback = null; + } else { + // If there's more work, schedule the next message event at the end + // of the preceding one. + port.postMessage(null); + } + } catch (error) { + // If a scheduler task throws, exit the current browser task so the + // error can be observed. + port.postMessage(null); + throw error; + } + } else { + isMessageLoopRunning = false; + } // Yielding to the browser will give it a chance to paint, so we can + }; -var hasNativePerformanceNow = typeof performance === 'object' && typeof performance.now === 'function'; + var channel = new MessageChannel(); + var port = channel.port2; + channel.port1.onmessage = performWorkUntilDeadline; -function ensureHostCallbackIsScheduled() { - if (isExecutingCallback) { - // Don't schedule work yet; wait until the next time we yield. - return; - } - // Schedule the host callback using the earliest expiration in the list. - var expirationTime = firstCallbackNode.expirationTime; - if (!isHostCallbackScheduled) { - isHostCallbackScheduled = true; - } else { - // Cancel the existing host callback. - cancelHostCallback(); - } - requestHostCallback(flushWork, expirationTime); -} + requestHostCallback = function (callback) { + scheduledHostCallback = callback; -function flushFirstCallback() { - var flushedNode = firstCallbackNode; + if (!isMessageLoopRunning) { + isMessageLoopRunning = true; + port.postMessage(null); + } + }; - // Remove the node from the list before calling the callback. That way the - // list is in a consistent state even if the callback throws. - var next = firstCallbackNode.next; - if (firstCallbackNode === next) { - // This is the last callback in the list. - firstCallbackNode = null; - next = null; - } else { - var lastCallbackNode = firstCallbackNode.previous; - firstCallbackNode = lastCallbackNode.next = next; - next.previous = lastCallbackNode; - } + requestHostTimeout = function (callback, ms) { + taskTimeoutID = _setTimeout(function () { + callback(exports.unstable_now()); + }, ms); + }; - flushedNode.next = flushedNode.previous = null; + cancelHostTimeout = function () { + _clearTimeout(taskTimeoutID); - // Now it's safe to call the callback. - var callback = flushedNode.callback; - var expirationTime = flushedNode.expirationTime; - var priorityLevel = flushedNode.priorityLevel; - var previousPriorityLevel = currentPriorityLevel; - var previousExpirationTime = currentExpirationTime; - currentPriorityLevel = priorityLevel; - currentExpirationTime = expirationTime; - var continuationCallback; - try { - continuationCallback = callback(); - } finally { - currentPriorityLevel = previousPriorityLevel; - currentExpirationTime = previousExpirationTime; - } - - // A callback may return a continuation. The continuation should be scheduled - // with the same priority and expiration as the just-finished callback. - if (typeof continuationCallback === 'function') { - var continuationNode = { - callback: continuationCallback, - priorityLevel: priorityLevel, - expirationTime: expirationTime, - next: null, - previous: null - }; + taskTimeoutID = -1; + }; +} - // Insert the new callback into the list, sorted by its expiration. This is - // almost the same as the code in `scheduleCallback`, except the callback - // is inserted into the list *before* callbacks of equal expiration instead - // of after. - if (firstCallbackNode === null) { - // This is the first callback in the list. - firstCallbackNode = continuationNode.next = continuationNode.previous = continuationNode; - } else { - var nextAfterContinuation = null; - var node = firstCallbackNode; - do { - if (node.expirationTime >= expirationTime) { - // This callback expires at or after the continuation. We will insert - // the continuation *before* this callback. - nextAfterContinuation = node; - break; - } - node = node.next; - } while (node !== firstCallbackNode); +function push(heap, node) { + var index = heap.length; + heap.push(node); + siftUp(heap, node, index); +} +function peek(heap) { + var first = heap[0]; + return first === undefined ? null : first; +} +function pop(heap) { + var first = heap[0]; - if (nextAfterContinuation === null) { - // No equal or lower priority callback was found, which means the new - // callback is the lowest priority callback in the list. - nextAfterContinuation = firstCallbackNode; - } else if (nextAfterContinuation === firstCallbackNode) { - // The new callback is the highest priority callback in the list. - firstCallbackNode = continuationNode; - ensureHostCallbackIsScheduled(); - } + if (first !== undefined) { + var last = heap.pop(); - var previous = nextAfterContinuation.previous; - previous.next = nextAfterContinuation.previous = continuationNode; - continuationNode.next = nextAfterContinuation; - continuationNode.previous = previous; + if (last !== first) { + heap[0] = last; + siftDown(heap, last, 0); } + + return first; + } else { + return null; } } -function flushImmediateWork() { - if ( - // Confirm we've exited the outer most event handler - currentEventStartTime === -1 && firstCallbackNode !== null && firstCallbackNode.priorityLevel === ImmediatePriority) { - isExecutingCallback = true; - try { - do { - flushFirstCallback(); - } while ( - // Keep flushing until there are no more immediate callbacks - firstCallbackNode !== null && firstCallbackNode.priorityLevel === ImmediatePriority); - } finally { - isExecutingCallback = false; - if (firstCallbackNode !== null) { - // There's still work remaining. Request another callback. - ensureHostCallbackIsScheduled(); - } else { - isHostCallbackScheduled = false; - } +function siftUp(heap, node, i) { + var index = i; + + while (true) { + var parentIndex = index - 1 >>> 1; + var parent = heap[parentIndex]; + + if (parent !== undefined && compare(parent, node) > 0) { + // The parent is larger. Swap positions. + heap[parentIndex] = node; + heap[index] = parent; + index = parentIndex; + } else { + // The parent is smaller. Exit. + return; } } } -function flushWork(didTimeout) { - // Exit right away if we're currently paused +function siftDown(heap, node, i) { + var index = i; + var length = heap.length; - if (enableSchedulerDebugging && isSchedulerPaused) { - return; - } + while (index < length) { + var leftIndex = (index + 1) * 2 - 1; + var left = heap[leftIndex]; + var rightIndex = leftIndex + 1; + var right = heap[rightIndex]; // If the left or right node is smaller, swap with the smaller of those. - isExecutingCallback = true; - var previousDidTimeout = currentDidTimeout; - currentDidTimeout = didTimeout; - try { - if (didTimeout) { - // Flush all the expired callbacks without yielding. - while (firstCallbackNode !== null && !(enableSchedulerDebugging && isSchedulerPaused)) { - // TODO Wrap i nfeature flag - // Read the current time. Flush all the callbacks that expire at or - // earlier than that time. Then read the current time again and repeat. - // This optimizes for as few performance.now calls as possible. - var currentTime = exports.unstable_now(); - if (firstCallbackNode.expirationTime <= currentTime) { - do { - flushFirstCallback(); - } while (firstCallbackNode !== null && firstCallbackNode.expirationTime <= currentTime && !(enableSchedulerDebugging && isSchedulerPaused)); - continue; - } - break; - } - } else { - // Keep flushing callbacks until we run out of time in the frame. - if (firstCallbackNode !== null) { - do { - if (enableSchedulerDebugging && isSchedulerPaused) { - break; - } - flushFirstCallback(); - } while (firstCallbackNode !== null && !shouldYieldToHost()); - } - } - } finally { - isExecutingCallback = false; - currentDidTimeout = previousDidTimeout; - if (firstCallbackNode !== null) { - // There's still work remaining. Request another callback. - ensureHostCallbackIsScheduled(); + if (left !== undefined && compare(left, node) < 0) { + if (right !== undefined && compare(right, left) < 0) { + heap[index] = right; + heap[rightIndex] = node; + index = rightIndex; + } else { + heap[index] = left; + heap[leftIndex] = node; + index = leftIndex; + } + } else if (right !== undefined && compare(right, node) < 0) { + heap[index] = right; + heap[rightIndex] = node; + index = rightIndex; } else { - isHostCallbackScheduled = false; + // Neither child is smaller. Exit. + return; } - // Before exiting, flush all the immediate work that was scheduled. - flushImmediateWork(); } } -function unstable_runWithPriority(priorityLevel, eventHandler) { - switch (priorityLevel) { - case ImmediatePriority: - case UserBlockingPriority: - case NormalPriority: - case LowPriority: +function compare(a, b) { + // Compare sort index first, then task id. + var diff = a.sortIndex - b.sortIndex; + return diff !== 0 ? diff : a.id - b.id; +} + +// TODO: Use symbols? +var NoPriority = 0; +var ImmediatePriority = 1; +var UserBlockingPriority = 2; +var NormalPriority = 3; +var LowPriority = 4; +var IdlePriority = 5; + +var runIdCounter = 0; +var mainThreadIdCounter = 0; +var profilingStateSize = 4; +var sharedProfilingBuffer = // $FlowFixMe Flow doesn't know about SharedArrayBuffer +typeof SharedArrayBuffer === 'function' ? new SharedArrayBuffer(profilingStateSize * Int32Array.BYTES_PER_ELEMENT) : // $FlowFixMe Flow doesn't know about ArrayBuffer +typeof ArrayBuffer === 'function' ? new ArrayBuffer(profilingStateSize * Int32Array.BYTES_PER_ELEMENT) : null // Don't crash the init path on IE9 +; +var profilingState = sharedProfilingBuffer !== null ? new Int32Array(sharedProfilingBuffer) : []; // We can't read this but it helps save bytes for null checks + +var PRIORITY = 0; +var CURRENT_TASK_ID = 1; +var CURRENT_RUN_ID = 2; +var QUEUE_SIZE = 3; + +{ + profilingState[PRIORITY] = NoPriority; // This is maintained with a counter, because the size of the priority queue + // array might include canceled tasks. + + profilingState[QUEUE_SIZE] = 0; + profilingState[CURRENT_TASK_ID] = 0; +} // Bytes per element is 4 + + +var INITIAL_EVENT_LOG_SIZE = 131072; +var MAX_EVENT_LOG_SIZE = 524288; // Equivalent to 2 megabytes + +var eventLogSize = 0; +var eventLogBuffer = null; +var eventLog = null; +var eventLogIndex = 0; +var TaskStartEvent = 1; +var TaskCompleteEvent = 2; +var TaskErrorEvent = 3; +var TaskCancelEvent = 4; +var TaskRunEvent = 5; +var TaskYieldEvent = 6; +var SchedulerSuspendEvent = 7; +var SchedulerResumeEvent = 8; + +function logEvent(entries) { + if (eventLog !== null) { + var offset = eventLogIndex; + eventLogIndex += entries.length; + + if (eventLogIndex + 1 > eventLogSize) { + eventLogSize *= 2; + + if (eventLogSize > MAX_EVENT_LOG_SIZE) { + // Using console['error'] to evade Babel and ESLint + console['error']("Scheduler Profiling: Event log exceeded maximum size. Don't " + 'forget to call `stopLoggingProfilingEvents()`.'); + stopLoggingProfilingEvents(); + return; + } + + var newEventLog = new Int32Array(eventLogSize * 4); + newEventLog.set(eventLog); + eventLogBuffer = newEventLog.buffer; + eventLog = newEventLog; + } + + eventLog.set(entries, offset); + } +} + +function startLoggingProfilingEvents() { + eventLogSize = INITIAL_EVENT_LOG_SIZE; + eventLogBuffer = new ArrayBuffer(eventLogSize * 4); + eventLog = new Int32Array(eventLogBuffer); + eventLogIndex = 0; +} +function stopLoggingProfilingEvents() { + var buffer = eventLogBuffer; + eventLogSize = 0; + eventLogBuffer = null; + eventLog = null; + eventLogIndex = 0; + return buffer; +} +function markTaskStart(task, ms) { + { + profilingState[QUEUE_SIZE]++; + + if (eventLog !== null) { + // performance.now returns a float, representing milliseconds. When the + // event is logged, it's coerced to an int. Convert to microseconds to + // maintain extra degrees of precision. + logEvent([TaskStartEvent, ms * 1000, task.id, task.priorityLevel]); + } + } +} +function markTaskCompleted(task, ms) { + { + profilingState[PRIORITY] = NoPriority; + profilingState[CURRENT_TASK_ID] = 0; + profilingState[QUEUE_SIZE]--; + + if (eventLog !== null) { + logEvent([TaskCompleteEvent, ms * 1000, task.id]); + } + } +} +function markTaskCanceled(task, ms) { + { + profilingState[QUEUE_SIZE]--; + + if (eventLog !== null) { + logEvent([TaskCancelEvent, ms * 1000, task.id]); + } + } +} +function markTaskErrored(task, ms) { + { + profilingState[PRIORITY] = NoPriority; + profilingState[CURRENT_TASK_ID] = 0; + profilingState[QUEUE_SIZE]--; + + if (eventLog !== null) { + logEvent([TaskErrorEvent, ms * 1000, task.id]); + } + } +} +function markTaskRun(task, ms) { + { + runIdCounter++; + profilingState[PRIORITY] = task.priorityLevel; + profilingState[CURRENT_TASK_ID] = task.id; + profilingState[CURRENT_RUN_ID] = runIdCounter; + + if (eventLog !== null) { + logEvent([TaskRunEvent, ms * 1000, task.id, runIdCounter]); + } + } +} +function markTaskYield(task, ms) { + { + profilingState[PRIORITY] = NoPriority; + profilingState[CURRENT_TASK_ID] = 0; + profilingState[CURRENT_RUN_ID] = 0; + + if (eventLog !== null) { + logEvent([TaskYieldEvent, ms * 1000, task.id, runIdCounter]); + } + } +} +function markSchedulerSuspended(ms) { + { + mainThreadIdCounter++; + + if (eventLog !== null) { + logEvent([SchedulerSuspendEvent, ms * 1000, mainThreadIdCounter]); + } + } +} +function markSchedulerUnsuspended(ms) { + { + if (eventLog !== null) { + logEvent([SchedulerResumeEvent, ms * 1000, mainThreadIdCounter]); + } + } +} + +/* eslint-disable no-var */ +// Math.pow(2, 30) - 1 +// 0b111111111111111111111111111111 + +var maxSigned31BitInt = 1073741823; // Times out immediately + +var IMMEDIATE_PRIORITY_TIMEOUT = -1; // Eventually times out + +var USER_BLOCKING_PRIORITY = 250; +var NORMAL_PRIORITY_TIMEOUT = 5000; +var LOW_PRIORITY_TIMEOUT = 10000; // Never times out + +var IDLE_PRIORITY = maxSigned31BitInt; // Tasks are stored on a min heap + +var taskQueue = []; +var timerQueue = []; // Incrementing id counter. Used to maintain insertion order. + +var taskIdCounter = 1; // Pausing the scheduler is useful for debugging. +var currentTask = null; +var currentPriorityLevel = NormalPriority; // This is set while performing work, to prevent re-entrancy. + +var isPerformingWork = false; +var isHostCallbackScheduled = false; +var isHostTimeoutScheduled = false; + +function advanceTimers(currentTime) { + // Check for tasks that are no longer delayed and add them to the queue. + var timer = peek(timerQueue); + + while (timer !== null) { + if (timer.callback === null) { + // Timer was cancelled. + pop(timerQueue); + } else if (timer.startTime <= currentTime) { + // Timer fired. Transfer to the task queue. + pop(timerQueue); + timer.sortIndex = timer.expirationTime; + push(taskQueue, timer); + + { + markTaskStart(timer, currentTime); + timer.isQueued = true; + } + } else { + // Remaining timers are pending. + return; + } + + timer = peek(timerQueue); + } +} + +function handleTimeout(currentTime) { + isHostTimeoutScheduled = false; + advanceTimers(currentTime); + + if (!isHostCallbackScheduled) { + if (peek(taskQueue) !== null) { + isHostCallbackScheduled = true; + requestHostCallback(flushWork); + } else { + var firstTimer = peek(timerQueue); + + if (firstTimer !== null) { + requestHostTimeout(handleTimeout, firstTimer.startTime - currentTime); + } + } + } +} + +function flushWork(hasTimeRemaining, initialTime) { + { + markSchedulerUnsuspended(initialTime); + } // We'll need a host callback the next time work is scheduled. + + + isHostCallbackScheduled = false; + + if (isHostTimeoutScheduled) { + // We scheduled a timeout but it's no longer needed. Cancel it. + isHostTimeoutScheduled = false; + cancelHostTimeout(); + } + + isPerformingWork = true; + var previousPriorityLevel = currentPriorityLevel; + + try { + if (enableProfiling) { + try { + return workLoop(hasTimeRemaining, initialTime); + } catch (error) { + if (currentTask !== null) { + var currentTime = exports.unstable_now(); + markTaskErrored(currentTask, currentTime); + currentTask.isQueued = false; + } + + throw error; + } + } else { + // No catch in prod codepath. + return workLoop(hasTimeRemaining, initialTime); + } + } finally { + currentTask = null; + currentPriorityLevel = previousPriorityLevel; + isPerformingWork = false; + + { + var _currentTime = exports.unstable_now(); + + markSchedulerSuspended(_currentTime); + } + } +} + +function workLoop(hasTimeRemaining, initialTime) { + var currentTime = initialTime; + advanceTimers(currentTime); + currentTask = peek(taskQueue); + + while (currentTask !== null && !(enableSchedulerDebugging )) { + if (currentTask.expirationTime > currentTime && (!hasTimeRemaining || shouldYieldToHost())) { + // This currentTask hasn't expired, and we've reached the deadline. + break; + } + + var callback = currentTask.callback; + + if (callback !== null) { + currentTask.callback = null; + currentPriorityLevel = currentTask.priorityLevel; + var didUserCallbackTimeout = currentTask.expirationTime <= currentTime; + markTaskRun(currentTask, currentTime); + var continuationCallback = callback(didUserCallbackTimeout); + currentTime = exports.unstable_now(); + + if (typeof continuationCallback === 'function') { + currentTask.callback = continuationCallback; + markTaskYield(currentTask, currentTime); + } else { + { + markTaskCompleted(currentTask, currentTime); + currentTask.isQueued = false; + } + + if (currentTask === peek(taskQueue)) { + pop(taskQueue); + } + } + + advanceTimers(currentTime); + } else { + pop(taskQueue); + } + + currentTask = peek(taskQueue); + } // Return whether there's additional work + + + if (currentTask !== null) { + return true; + } else { + var firstTimer = peek(timerQueue); + + if (firstTimer !== null) { + requestHostTimeout(handleTimeout, firstTimer.startTime - currentTime); + } + + return false; + } +} + +function unstable_runWithPriority(priorityLevel, eventHandler) { + switch (priorityLevel) { + case ImmediatePriority: + case UserBlockingPriority: + case NormalPriority: + case LowPriority: case IdlePriority: break; + default: priorityLevel = NormalPriority; } var previousPriorityLevel = currentPriorityLevel; - var previousEventStartTime = currentEventStartTime; currentPriorityLevel = priorityLevel; - currentEventStartTime = exports.unstable_now(); try { return eventHandler(); } finally { currentPriorityLevel = previousPriorityLevel; - currentEventStartTime = previousEventStartTime; + } +} + +function unstable_next(eventHandler) { + var priorityLevel; + + switch (currentPriorityLevel) { + case ImmediatePriority: + case UserBlockingPriority: + case NormalPriority: + // Shift down to normal priority + priorityLevel = NormalPriority; + break; + + default: + // Anything lower than normal priority should remain at the current level. + priorityLevel = currentPriorityLevel; + break; + } + + var previousPriorityLevel = currentPriorityLevel; + currentPriorityLevel = priorityLevel; - // Before exiting, flush all the immediate work that was scheduled. - flushImmediateWork(); + try { + return eventHandler(); + } finally { + currentPriorityLevel = previousPriorityLevel; } } @@ -3220,129 +3764,135 @@ function unstable_wrapCallback(callback) { return function () { // This is a fork of runWithPriority, inlined for performance. var previousPriorityLevel = currentPriorityLevel; - var previousEventStartTime = currentEventStartTime; currentPriorityLevel = parentPriorityLevel; - currentEventStartTime = exports.unstable_now(); try { return callback.apply(this, arguments); } finally { currentPriorityLevel = previousPriorityLevel; - currentEventStartTime = previousEventStartTime; - flushImmediateWork(); } }; } -function unstable_scheduleCallback(callback, deprecated_options) { - var startTime = currentEventStartTime !== -1 ? currentEventStartTime : exports.unstable_now(); +function timeoutForPriorityLevel(priorityLevel) { + switch (priorityLevel) { + case ImmediatePriority: + return IMMEDIATE_PRIORITY_TIMEOUT; + + case UserBlockingPriority: + return USER_BLOCKING_PRIORITY; - var expirationTime; - if (typeof deprecated_options === 'object' && deprecated_options !== null && typeof deprecated_options.timeout === 'number') { - // FIXME: Remove this branch once we lift expiration times out of React. - expirationTime = startTime + deprecated_options.timeout; - } else { - switch (currentPriorityLevel) { - case ImmediatePriority: - expirationTime = startTime + IMMEDIATE_PRIORITY_TIMEOUT; - break; - case UserBlockingPriority: - expirationTime = startTime + USER_BLOCKING_PRIORITY; - break; - case IdlePriority: - expirationTime = startTime + IDLE_PRIORITY; - break; - case LowPriority: - expirationTime = startTime + LOW_PRIORITY_TIMEOUT; - break; - case NormalPriority: - default: - expirationTime = startTime + NORMAL_PRIORITY_TIMEOUT; + case IdlePriority: + return IDLE_PRIORITY; + + case LowPriority: + return LOW_PRIORITY_TIMEOUT; + + case NormalPriority: + default: + return NORMAL_PRIORITY_TIMEOUT; + } +} + +function unstable_scheduleCallback(priorityLevel, callback, options) { + var currentTime = exports.unstable_now(); + var startTime; + var timeout; + + if (typeof options === 'object' && options !== null) { + var delay = options.delay; + + if (typeof delay === 'number' && delay > 0) { + startTime = currentTime + delay; + } else { + startTime = currentTime; } + + timeout = typeof options.timeout === 'number' ? options.timeout : timeoutForPriorityLevel(priorityLevel); + } else { + timeout = timeoutForPriorityLevel(priorityLevel); + startTime = currentTime; } - var newNode = { + var expirationTime = startTime + timeout; + var newTask = { + id: taskIdCounter++, callback: callback, - priorityLevel: currentPriorityLevel, + priorityLevel: priorityLevel, + startTime: startTime, expirationTime: expirationTime, - next: null, - previous: null + sortIndex: -1 }; - // Insert the new callback into the list, ordered first by expiration, then - // by insertion. So the new callback is inserted any other callback with - // equal expiration. - if (firstCallbackNode === null) { - // This is the first callback in the list. - firstCallbackNode = newNode.next = newNode.previous = newNode; - ensureHostCallbackIsScheduled(); - } else { - var next = null; - var node = firstCallbackNode; - do { - if (node.expirationTime > expirationTime) { - // The new callback expires before this one. - next = node; - break; - } - node = node.next; - } while (node !== firstCallbackNode); + { + newTask.isQueued = false; + } + + if (startTime > currentTime) { + // This is a delayed task. + newTask.sortIndex = startTime; + push(timerQueue, newTask); + + if (peek(taskQueue) === null && newTask === peek(timerQueue)) { + // All tasks are delayed, and this is the task with the earliest delay. + if (isHostTimeoutScheduled) { + // Cancel an existing timeout. + cancelHostTimeout(); + } else { + isHostTimeoutScheduled = true; + } // Schedule a timeout. + - if (next === null) { - // No callback with a later expiration was found, which means the new - // callback has the latest expiration in the list. - next = firstCallbackNode; - } else if (next === firstCallbackNode) { - // The new callback has the earliest expiration in the entire list. - firstCallbackNode = newNode; - ensureHostCallbackIsScheduled(); + requestHostTimeout(handleTimeout, startTime - currentTime); } + } else { + newTask.sortIndex = expirationTime; + push(taskQueue, newTask); + + { + markTaskStart(newTask, currentTime); + newTask.isQueued = true; + } // Schedule a host callback, if needed. If we're already performing work, + // wait until the next time we yield. + - var previous = next.previous; - previous.next = next.previous = newNode; - newNode.next = next; - newNode.previous = previous; + if (!isHostCallbackScheduled && !isPerformingWork) { + isHostCallbackScheduled = true; + requestHostCallback(flushWork); + } } - return newNode; + return newTask; } function unstable_pauseExecution() { - isSchedulerPaused = true; } function unstable_continueExecution() { - isSchedulerPaused = false; - if (firstCallbackNode !== null) { - ensureHostCallbackIsScheduled(); + + if (!isHostCallbackScheduled && !isPerformingWork) { + isHostCallbackScheduled = true; + requestHostCallback(flushWork); } } function unstable_getFirstCallbackNode() { - return firstCallbackNode; + return peek(taskQueue); } -function unstable_cancelCallback(callbackNode) { - var next = callbackNode.next; - if (next === null) { - // Already cancelled. - return; - } - - if (next === callbackNode) { - // This is the only scheduled callback. Clear the list. - firstCallbackNode = null; - } else { - // Remove the callback from its position in the list. - if (callbackNode === firstCallbackNode) { - firstCallbackNode = next; +function unstable_cancelCallback(task) { + { + if (task.isQueued) { + var currentTime = exports.unstable_now(); + markTaskCanceled(task, currentTime); + task.isQueued = false; } - var previous = callbackNode.previous; - previous.next = next; - next.previous = previous; - } + } // Null out the callback to indicate the task has been canceled. (Can't + // remove from the queue because you can't remove arbitrary nodes from an + // array based heap, only the first one.) - callbackNode.next = callbackNode.previous = null; + + task.callback = null; } function unstable_getCurrentPriorityLevel() { @@ -3350,283 +3900,47 @@ function unstable_getCurrentPriorityLevel() { } function unstable_shouldYield() { - return !currentDidTimeout && (firstCallbackNode !== null && firstCallbackNode.expirationTime < currentExpirationTime || shouldYieldToHost()); -} - -// The remaining code is essentially a polyfill for requestIdleCallback. It -// works by scheduling a requestAnimationFrame, storing the time for the start -// of the frame, then scheduling a postMessage which gets scheduled after paint. -// Within the postMessage handler do as much work as possible until time + frame -// rate. By separating the idle call into a separate event tick we ensure that -// layout, paint and other browser work is counted against the available time. -// The frame rate is dynamically adjusted. - -// We capture a local reference to any global, in case it gets polyfilled after -// this module is initially evaluated. We want to be using a -// consistent implementation. -var localDate = Date; - -// This initialization code may run even on server environments if a component -// just imports ReactDOM (e.g. for findDOMNode). Some environments might not -// have setTimeout or clearTimeout. However, we always expect them to be defined -// on the client. https://github.com/facebook/react/pull/13088 -var localSetTimeout = typeof setTimeout === 'function' ? setTimeout : undefined; -var localClearTimeout = typeof clearTimeout === 'function' ? clearTimeout : undefined; - -// We don't expect either of these to necessarily be defined, but we will error -// later if they are missing on the client. -var localRequestAnimationFrame = typeof requestAnimationFrame === 'function' ? requestAnimationFrame : undefined; -var localCancelAnimationFrame = typeof cancelAnimationFrame === 'function' ? cancelAnimationFrame : undefined; - -// requestAnimationFrame does not run when the tab is in the background. If -// we're backgrounded we prefer for that work to happen so that the page -// continues to load in the background. So we also schedule a 'setTimeout' as -// a fallback. -// TODO: Need a better heuristic for backgrounded work. -var ANIMATION_FRAME_TIMEOUT = 100; -var rAFID; -var rAFTimeoutID; -var requestAnimationFrameWithTimeout = function (callback) { - // schedule rAF and also a setTimeout - rAFID = localRequestAnimationFrame(function (timestamp) { - // cancel the setTimeout - localClearTimeout(rAFTimeoutID); - callback(timestamp); - }); - rAFTimeoutID = localSetTimeout(function () { - // cancel the requestAnimationFrame - localCancelAnimationFrame(rAFID); - callback(exports.unstable_now()); - }, ANIMATION_FRAME_TIMEOUT); -}; + var currentTime = exports.unstable_now(); + advanceTimers(currentTime); + var firstTask = peek(taskQueue); + return firstTask !== currentTask && currentTask !== null && firstTask !== null && firstTask.callback !== null && firstTask.startTime <= currentTime && firstTask.expirationTime < currentTask.expirationTime || shouldYieldToHost(); +} -if (hasNativePerformanceNow) { - var Performance = performance; - exports.unstable_now = function () { - return Performance.now(); - }; -} else { - exports.unstable_now = function () { - return localDate.now(); - }; +var unstable_requestPaint = requestPaint; +var unstable_Profiling = { + startLoggingProfilingEvents: startLoggingProfilingEvents, + stopLoggingProfilingEvents: stopLoggingProfilingEvents, + sharedProfilingBuffer: sharedProfilingBuffer +} ; + +exports.unstable_IdlePriority = IdlePriority; +exports.unstable_ImmediatePriority = ImmediatePriority; +exports.unstable_LowPriority = LowPriority; +exports.unstable_NormalPriority = NormalPriority; +exports.unstable_Profiling = unstable_Profiling; +exports.unstable_UserBlockingPriority = UserBlockingPriority; +exports.unstable_cancelCallback = unstable_cancelCallback; +exports.unstable_continueExecution = unstable_continueExecution; +exports.unstable_getCurrentPriorityLevel = unstable_getCurrentPriorityLevel; +exports.unstable_getFirstCallbackNode = unstable_getFirstCallbackNode; +exports.unstable_next = unstable_next; +exports.unstable_pauseExecution = unstable_pauseExecution; +exports.unstable_requestPaint = unstable_requestPaint; +exports.unstable_runWithPriority = unstable_runWithPriority; +exports.unstable_scheduleCallback = unstable_scheduleCallback; +exports.unstable_shouldYield = unstable_shouldYield; +exports.unstable_wrapCallback = unstable_wrapCallback; + })(); } -var requestHostCallback; -var cancelHostCallback; -var shouldYieldToHost; - -var globalValue = null; -if (typeof window !== 'undefined') { - globalValue = window; -} else if (typeof global !== 'undefined') { - globalValue = global; -} - -if (globalValue && globalValue._schedMock) { - // Dynamic injection, only for testing purposes. - var globalImpl = globalValue._schedMock; - requestHostCallback = globalImpl[0]; - cancelHostCallback = globalImpl[1]; - shouldYieldToHost = globalImpl[2]; - exports.unstable_now = globalImpl[3]; -} else if ( -// If Scheduler runs in a non-DOM environment, it falls back to a naive -// implementation using setTimeout. -typeof window === 'undefined' || -// Check if MessageChannel is supported, too. -typeof MessageChannel !== 'function') { - // If this accidentally gets imported in a non-browser environment, e.g. JavaScriptCore, - // fallback to a naive implementation. - var _callback = null; - var _flushCallback = function (didTimeout) { - if (_callback !== null) { - try { - _callback(didTimeout); - } finally { - _callback = null; - } - } - }; - requestHostCallback = function (cb, ms) { - if (_callback !== null) { - // Protect against re-entrancy. - setTimeout(requestHostCallback, 0, cb); - } else { - _callback = cb; - setTimeout(_flushCallback, 0, false); - } - }; - cancelHostCallback = function () { - _callback = null; - }; - shouldYieldToHost = function () { - return false; - }; -} else { - if (typeof console !== 'undefined') { - // TODO: Remove fb.me link - if (typeof localRequestAnimationFrame !== 'function') { - console.error("This browser doesn't support requestAnimationFrame. " + 'Make sure that you load a ' + 'polyfill in older browsers. https://fb.me/react-polyfills'); - } - if (typeof localCancelAnimationFrame !== 'function') { - console.error("This browser doesn't support cancelAnimationFrame. " + 'Make sure that you load a ' + 'polyfill in older browsers. https://fb.me/react-polyfills'); - } - } - - var scheduledHostCallback = null; - var isMessageEventScheduled = false; - var timeoutTime = -1; - - var isAnimationFrameScheduled = false; - - var isFlushingHostCallback = false; - - var frameDeadline = 0; - // We start out assuming that we run at 30fps but then the heuristic tracking - // will adjust this value to a faster fps if we get more frequent animation - // frames. - var previousFrameTime = 33; - var activeFrameTime = 33; - - shouldYieldToHost = function () { - return frameDeadline <= exports.unstable_now(); - }; - - // We use the postMessage trick to defer idle work until after the repaint. - var channel = new MessageChannel(); - var port = channel.port2; - channel.port1.onmessage = function (event) { - isMessageEventScheduled = false; - - var prevScheduledCallback = scheduledHostCallback; - var prevTimeoutTime = timeoutTime; - scheduledHostCallback = null; - timeoutTime = -1; - - var currentTime = exports.unstable_now(); - - var didTimeout = false; - if (frameDeadline - currentTime <= 0) { - // There's no time left in this idle period. Check if the callback has - // a timeout and whether it's been exceeded. - if (prevTimeoutTime !== -1 && prevTimeoutTime <= currentTime) { - // Exceeded the timeout. Invoke the callback even though there's no - // time left. - didTimeout = true; - } else { - // No timeout. - if (!isAnimationFrameScheduled) { - // Schedule another animation callback so we retry later. - isAnimationFrameScheduled = true; - requestAnimationFrameWithTimeout(animationTick); - } - // Exit without invoking the callback. - scheduledHostCallback = prevScheduledCallback; - timeoutTime = prevTimeoutTime; - return; - } - } - - if (prevScheduledCallback !== null) { - isFlushingHostCallback = true; - try { - prevScheduledCallback(didTimeout); - } finally { - isFlushingHostCallback = false; - } - } - }; - - var animationTick = function (rafTime) { - if (scheduledHostCallback !== null) { - // Eagerly schedule the next animation callback at the beginning of the - // frame. If the scheduler queue is not empty at the end of the frame, it - // will continue flushing inside that callback. If the queue *is* empty, - // then it will exit immediately. Posting the callback at the start of the - // frame ensures it's fired within the earliest possible frame. If we - // waited until the end of the frame to post the callback, we risk the - // browser skipping a frame and not firing the callback until the frame - // after that. - requestAnimationFrameWithTimeout(animationTick); - } else { - // No pending work. Exit. - isAnimationFrameScheduled = false; - return; - } - - var nextFrameTime = rafTime - frameDeadline + activeFrameTime; - if (nextFrameTime < activeFrameTime && previousFrameTime < activeFrameTime) { - if (nextFrameTime < 8) { - // Defensive coding. We don't support higher frame rates than 120hz. - // If the calculated frame time gets lower than 8, it is probably a bug. - nextFrameTime = 8; - } - // If one frame goes long, then the next one can be short to catch up. - // If two frames are short in a row, then that's an indication that we - // actually have a higher frame rate than what we're currently optimizing. - // We adjust our heuristic dynamically accordingly. For example, if we're - // running on 120hz display or 90hz VR display. - // Take the max of the two in case one of them was an anomaly due to - // missed frame deadlines. - activeFrameTime = nextFrameTime < previousFrameTime ? previousFrameTime : nextFrameTime; - } else { - previousFrameTime = nextFrameTime; - } - frameDeadline = rafTime + activeFrameTime; - if (!isMessageEventScheduled) { - isMessageEventScheduled = true; - port.postMessage(undefined); - } - }; - - requestHostCallback = function (callback, absoluteTimeout) { - scheduledHostCallback = callback; - timeoutTime = absoluteTimeout; - if (isFlushingHostCallback || absoluteTimeout < 0) { - // Don't wait for the next frame. Continue working ASAP, in a new event. - port.postMessage(undefined); - } else if (!isAnimationFrameScheduled) { - // If rAF didn't already schedule one, we need to schedule a frame. - // TODO: If this rAF doesn't materialize because the browser throttles, we - // might want to still have setTimeout trigger rIC as a backup to ensure - // that we keep performing work. - isAnimationFrameScheduled = true; - requestAnimationFrameWithTimeout(animationTick); - } - }; - - cancelHostCallback = function () { - scheduledHostCallback = null; - isMessageEventScheduled = false; - timeoutTime = -1; - }; -} - -exports.unstable_ImmediatePriority = ImmediatePriority; -exports.unstable_UserBlockingPriority = UserBlockingPriority; -exports.unstable_NormalPriority = NormalPriority; -exports.unstable_IdlePriority = IdlePriority; -exports.unstable_LowPriority = LowPriority; -exports.unstable_runWithPriority = unstable_runWithPriority; -exports.unstable_scheduleCallback = unstable_scheduleCallback; -exports.unstable_cancelCallback = unstable_cancelCallback; -exports.unstable_wrapCallback = unstable_wrapCallback; -exports.unstable_getCurrentPriorityLevel = unstable_getCurrentPriorityLevel; -exports.unstable_shouldYield = unstable_shouldYield; -exports.unstable_continueExecution = unstable_continueExecution; -exports.unstable_pauseExecution = unstable_pauseExecution; -exports.unstable_getFirstCallbackNode = unstable_getFirstCallbackNode; - })(); -} - -/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(0), __webpack_require__(6))) +/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(0))) /***/ }), -/* 15 */ +/* 18 */ /***/ (function(module, exports, __webpack_require__) { "use strict"; -/* WEBPACK VAR INJECTION */(function(process) {/** @license React v16.7.0 +/* WEBPACK VAR INJECTION */(function(process) {/** @license React v16.13.1 * react-dom.development.js * * Copyright (c) Facebook, Inc. and its affiliates. @@ -3645,59 +3959,98 @@ if (process.env.NODE_ENV !== "production") { var React = __webpack_require__(2); var _assign = __webpack_require__(1); +var Scheduler = __webpack_require__(6); var checkPropTypes = __webpack_require__(3); -var scheduler = __webpack_require__(5); -var tracing = __webpack_require__(16); +var tracing = __webpack_require__(19); -/** - * Use invariant() to assert state which your program assumes to be true. - * - * Provide sprintf-style format (only %s is supported) and arguments - * to provide information about what broke and what you were - * expecting. - * - * The invariant message will be stripped in production, but the invariant - * will remain to ensure logic does not differ in production. - */ +var ReactSharedInternals = React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED; // Prevent newer renderers from RTE when used with older react package versions. +// Current owner and dispatcher used to share the same ref, +// but PR #14548 split them out to better support the react-debug-tools package. -var validateFormat = function () {}; +if (!ReactSharedInternals.hasOwnProperty('ReactCurrentDispatcher')) { + ReactSharedInternals.ReactCurrentDispatcher = { + current: null + }; +} -{ - validateFormat = function (format) { - if (format === undefined) { - throw new Error('invariant requires an error message argument'); - } +if (!ReactSharedInternals.hasOwnProperty('ReactCurrentBatchConfig')) { + ReactSharedInternals.ReactCurrentBatchConfig = { + suspense: null }; } -function invariant(condition, format, a, b, c, d, e, f) { - validateFormat(format); +// by calls to these methods by a Babel plugin. +// +// In PROD (or in packages without access to React internals), +// they are left as they are instead. - if (!condition) { - var error = void 0; - if (format === undefined) { - error = new Error('Minified exception occurred; use the non-minified dev environment ' + 'for the full error message and additional helpful warnings.'); - } else { - var args = [a, b, c, d, e, f]; - var argIndex = 0; - error = new Error(format.replace(/%s/g, function () { - return args[argIndex++]; - })); - error.name = 'Invariant Violation'; +function warn(format) { + { + for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { + args[_key - 1] = arguments[_key]; } - error.framesToPop = 1; // we don't care about invariant's own frame - throw error; + printWarning('warn', format, args); } } +function error(format) { + { + for (var _len2 = arguments.length, args = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) { + args[_key2 - 1] = arguments[_key2]; + } -// Relying on the `invariant()` implementation lets us -// preserve the format and params in the www builds. + printWarning('error', format, args); + } +} + +function printWarning(level, format, args) { + // When changing this logic, you might want to also + // update consoleWithStackDev.www.js as well. + { + var hasExistingStack = args.length > 0 && typeof args[args.length - 1] === 'string' && args[args.length - 1].indexOf('\n in') === 0; + + if (!hasExistingStack) { + var ReactDebugCurrentFrame = ReactSharedInternals.ReactDebugCurrentFrame; + var stack = ReactDebugCurrentFrame.getStackAddendum(); + + if (stack !== '') { + format += '%s'; + args = args.concat([stack]); + } + } + + var argsWithFormat = args.map(function (item) { + return '' + item; + }); // Careful: RN currently depends on this prefix + + argsWithFormat.unshift('Warning: ' + format); // We intentionally don't use spread (or .apply) directly because it + // breaks IE9: https://github.com/facebook/react/issues/13610 + // eslint-disable-next-line react-internal/no-production-logging + + Function.prototype.apply.call(console[level], console, argsWithFormat); + + try { + // --- Welcome to debugging React --- + // This error was thrown as a convenience so that you can use this stack + // to find the callsite that caused this warning to fire. + var argIndex = 0; + var message = 'Warning: ' + format.replace(/%s/g, function () { + return args[argIndex++]; + }); + throw new Error(message); + } catch (x) {} + } +} -!React ? invariant(false, 'ReactDOM was loaded before React. Make sure you load the React package before loading ReactDOM.') : void 0; +if (!React) { + { + throw Error( "ReactDOM was loaded before React. Make sure you load the React package before loading ReactDOM." ); + } +} var invokeGuardedCallbackImpl = function (name, func, context, a, b, c, d, e, f) { var funcArgs = Array.prototype.slice.call(arguments, 3); + try { func.apply(context, funcArgs); } catch (error) { @@ -3713,7 +4066,7 @@ var invokeGuardedCallbackImpl = function (name, func, context, a, b, c, d, e, f) // invokeGuardedCallback uses a try-catch, all user exceptions are treated // like caught exceptions, and the DevTools won't pause unless the developer // takes the extra step of enabling pause on caught exceptions. This is - // untintuitive, though, because even though React has caught the error, from + // unintuitive, though, because even though React has caught the error, from // the developer's perspective, the error is uncaught. // // To preserve the expected "Pause on exceptions" behavior, we don't use a @@ -3724,7 +4077,6 @@ var invokeGuardedCallbackImpl = function (name, func, context, a, b, c, d, e, f) // event loop context, it does not interrupt the normal program flow. // Effectively, this gives us try-catch behavior without actually using // try-catch. Neat! - // Check that the browser supports the APIs we need to implement our special // DEV version of invokeGuardedCallback if (typeof window !== 'undefined' && typeof window.dispatchEvent === 'function' && typeof document !== 'undefined' && typeof document.createEvent === 'function') { @@ -3735,50 +4087,49 @@ var invokeGuardedCallbackImpl = function (name, func, context, a, b, c, d, e, f) // when we call document.createEvent(). However this can cause confusing // errors: https://github.com/facebookincubator/create-react-app/issues/3482 // So we preemptively throw with a better message instead. - !(typeof document !== 'undefined') ? invariant(false, 'The `document` global was defined when React was initialized, but is not defined anymore. This can happen in a test environment if a component schedules an update from an asynchronous callback, but the test has already finished running. To solve this, you can either unmount the component at the end of your test (and ensure that any asynchronous operations get canceled in `componentWillUnmount`), or you can change the test itself to be asynchronous.') : void 0; - var evt = document.createEvent('Event'); + if (!(typeof document !== 'undefined')) { + { + throw Error( "The `document` global was defined when React was initialized, but is not defined anymore. This can happen in a test environment if a component schedules an update from an asynchronous callback, but the test has already finished running. To solve this, you can either unmount the component at the end of your test (and ensure that any asynchronous operations get canceled in `componentWillUnmount`), or you can change the test itself to be asynchronous." ); + } + } - // Keeps track of whether the user-provided callback threw an error. We + var evt = document.createEvent('Event'); // Keeps track of whether the user-provided callback threw an error. We // set this to true at the beginning, then set it to false right after // calling the function. If the function errors, `didError` will never be // set to false. This strategy works even if the browser is flaky and // fails to call our global error handler, because it doesn't rely on // the error event at all. - var didError = true; - // Keeps track of the value of window.event so that we can reset it + var didError = true; // Keeps track of the value of window.event so that we can reset it // during the callback to let user code access window.event in the // browsers that support it. - var windowEvent = window.event; - // Keeps track of the descriptor of window.event to restore it after event + var windowEvent = window.event; // Keeps track of the descriptor of window.event to restore it after event // dispatching: https://github.com/facebook/react/issues/13688 - var windowEventDescriptor = Object.getOwnPropertyDescriptor(window, 'event'); - // Create an event handler for our fake event. We will synchronously + var windowEventDescriptor = Object.getOwnPropertyDescriptor(window, 'event'); // Create an event handler for our fake event. We will synchronously // dispatch our fake event using `dispatchEvent`. Inside the handler, we // call the user-provided callback. + var funcArgs = Array.prototype.slice.call(arguments, 3); + function callCallback() { // We immediately remove the callback from event listeners so that // nested `invokeGuardedCallback` calls do not clash. Otherwise, a // nested call would trigger the fake event handlers of any call higher // in the stack. - fakeNode.removeEventListener(evtType, callCallback, false); - - // We check for window.hasOwnProperty('event') to prevent the + fakeNode.removeEventListener(evtType, callCallback, false); // We check for window.hasOwnProperty('event') to prevent the // window.event assignment in both IE <= 10 as they throw an error // "Member not found" in strict mode, and in Firefox which does not // support window.event. + if (typeof window.event !== 'undefined' && window.hasOwnProperty('event')) { window.event = windowEvent; } func.apply(context, funcArgs); didError = false; - } - - // Create a global error event handler. We use this to capture the value + } // Create a global error event handler. We use this to capture the value // that was thrown. It's possible that this error handler will fire more // than once; for example, if non-React code also calls `dispatchEvent` // and a handler for that event throws. We should be resilient to most of @@ -3789,17 +4140,21 @@ var invokeGuardedCallbackImpl = function (name, func, context, a, b, c, d, e, f) // erroring and the code that follows the `dispatchEvent` call below. If // the callback doesn't error, but the error event was fired, we know to // ignore it because `didError` will be false, as described above. - var error = void 0; - // Use this to track whether the error event is ever called. + + + var error; // Use this to track whether the error event is ever called. + var didSetError = false; var isCrossOriginError = false; function handleWindowError(event) { error = event.error; didSetError = true; + if (error === null && event.colno === 0 && event.lineno === 0) { isCrossOriginError = true; } + if (event.defaultPrevented) { // Some other error handler has prevented default. // Browsers silence the error report if this happens. @@ -3807,22 +4162,19 @@ var invokeGuardedCallbackImpl = function (name, func, context, a, b, c, d, e, f) if (error != null && typeof error === 'object') { try { error._suppressLogging = true; - } catch (inner) { - // Ignore. + } catch (inner) {// Ignore. } } } - } + } // Create a fake event type. - // Create a fake event type. - var evtType = 'react-' + (name ? name : 'invokeguardedcallback'); - // Attach our event handlers - window.addEventListener('error', handleWindowError); - fakeNode.addEventListener(evtType, callCallback, false); + var evtType = "react-" + (name ? name : 'invokeguardedcallback'); // Attach our event handlers - // Synchronously dispatch our fake event. If the user-provided function + window.addEventListener('error', handleWindowError); + fakeNode.addEventListener(evtType, callCallback, false); // Synchronously dispatch our fake event. If the user-provided function // errors, it will trigger our global error handler. + evt.initEvent(evtType, false, false); fakeNode.dispatchEvent(evt); @@ -3837,10 +4189,11 @@ var invokeGuardedCallbackImpl = function (name, func, context, a, b, c, d, e, f) } else if (isCrossOriginError) { 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.'); } + this.onError(error); - } + } // Remove our event listeners + - // Remove our event listeners window.removeEventListener('error', handleWindowError); }; @@ -3850,21 +4203,17 @@ var invokeGuardedCallbackImpl = function (name, func, context, a, b, c, d, e, f) var invokeGuardedCallbackImpl$1 = invokeGuardedCallbackImpl; -// Used by Fiber to simulate a try-catch. var hasError = false; -var caughtError = null; +var caughtError = null; // Used by event system to capture/rethrow the first error. -// Used by event system to capture/rethrow the first error. var hasRethrowError = false; var rethrowError = null; - var reporter = { onError: function (error) { hasError = true; caughtError = error; } }; - /** * Call a function while guarding against errors that happens within it. * Returns an error if it throws, otherwise null. @@ -3878,12 +4227,12 @@ var reporter = { * @param {*} context The context to use when calling the function * @param {...*} args Arguments for function */ + function invokeGuardedCallback(name, func, context, a, b, c, d, e, f) { hasError = false; caughtError = null; invokeGuardedCallbackImpl$1.apply(reporter, arguments); } - /** * Same as invokeGuardedCallback, but instead of returning an error, it stores * it in a global so it can be rethrown by `rethrowCaughtError` later. @@ -3894,21 +4243,24 @@ function invokeGuardedCallback(name, func, context, a, b, c, d, e, f) { * @param {*} context The context to use when calling the function * @param {...*} args Arguments for function */ + function invokeGuardedCallbackAndCatchFirstError(name, func, context, a, b, c, d, e, f) { invokeGuardedCallback.apply(this, arguments); + if (hasError) { var error = clearCaughtError(); + if (!hasRethrowError) { hasRethrowError = true; rethrowError = error; } } } - /** * During execution of guarded functions we will capture the first error which * we will rethrow to be handled by the top level error handler. */ + function rethrowCaughtError() { if (hasRethrowError) { var error = rethrowError; @@ -3917,11 +4269,9 @@ function rethrowCaughtError() { throw error; } } - function hasCaughtError() { return hasError; } - function clearCaughtError() { if (hasError) { var error = caughtError; @@ -3929,74 +4279,203 @@ function clearCaughtError() { caughtError = null; return error; } else { - invariant(false, 'clearCaughtError was called but no error was captured. This error is likely caused by a bug in React. Please file an issue.'); + { + { + throw Error( "clearCaughtError was called but no error was captured. This error is likely caused by a bug in React. Please file an issue." ); + } + } } } -/** - * Injectable ordering of event plugins. - */ -var eventPluginOrder = null; - -/** - * Injectable mapping from names to event plugin modules. - */ -var namesToPlugins = {}; +var getFiberCurrentPropsFromNode = null; +var getInstanceFromNode = null; +var getNodeFromInstance = null; +function setComponentTree(getFiberCurrentPropsFromNodeImpl, getInstanceFromNodeImpl, getNodeFromInstanceImpl) { + getFiberCurrentPropsFromNode = getFiberCurrentPropsFromNodeImpl; + getInstanceFromNode = getInstanceFromNodeImpl; + getNodeFromInstance = getNodeFromInstanceImpl; -/** - * 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(false, 'EventPluginRegistry: Cannot inject event plugins that do not exist in the plugin ordering, `%s`.', pluginName) : void 0; - if (plugins[pluginIndex]) { - continue; - } - !pluginModule.extractEvents ? invariant(false, 'EventPluginRegistry: Event plugins must implement an `extractEvents` method, but `%s` does not.', pluginName) : void 0; - plugins[pluginIndex] = pluginModule; - var publishedEvents = pluginModule.eventTypes; - for (var eventName in publishedEvents) { - !publishEventForPlugin(publishedEvents[eventName], pluginModule, eventName) ? invariant(false, 'EventPluginRegistry: Failed to publish event `%s` for plugin `%s`.', eventName, pluginName) : void 0; + { + if (!getNodeFromInstance || !getInstanceFromNode) { + error('EventPluginUtils.setComponentTree(...): Injected ' + 'module is missing getNodeFromInstance or getInstanceFromNode.'); } } } +var validateEventDispatches; + +{ + validateEventDispatches = function (event) { + var dispatchListeners = event._dispatchListeners; + var dispatchInstances = event._dispatchInstances; + var listenersIsArr = Array.isArray(dispatchListeners); + var listenersLen = listenersIsArr ? dispatchListeners.length : dispatchListeners ? 1 : 0; + var instancesIsArr = Array.isArray(dispatchInstances); + var instancesLen = instancesIsArr ? dispatchInstances.length : dispatchInstances ? 1 : 0; + if (instancesIsArr !== listenersIsArr || instancesLen !== listenersLen) { + error('EventPluginUtils: Invalid `event`.'); + } + }; +} /** - * 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 + * Dispatch the event to the listener. + * @param {SyntheticEvent} event SyntheticEvent to handle + * @param {function} listener Application-level callback + * @param {*} inst Internal component instance */ -function publishEventForPlugin(dispatchConfig, pluginModule, eventName) { - !!eventNameDispatchConfigs.hasOwnProperty(eventName) ? invariant(false, 'EventPluginHub: More than one plugin attempted to publish the same event name, `%s`.', eventName) : void 0; - eventNameDispatchConfigs[eventName] = dispatchConfig; - var phasedRegistrationNames = dispatchConfig.phasedRegistrationNames; - if (phasedRegistrationNames) { + +function executeDispatch(event, listener, inst) { + var type = event.type || 'unknown-event'; + event.currentTarget = getNodeFromInstance(inst); + invokeGuardedCallbackAndCatchFirstError(type, listener, undefined, event); + event.currentTarget = null; +} +/** + * Standard/simple iteration through an event's collected dispatches. + */ + +function executeDispatchesInOrder(event) { + var dispatchListeners = event._dispatchListeners; + var dispatchInstances = event._dispatchInstances; + + { + validateEventDispatches(event); + } + + if (Array.isArray(dispatchListeners)) { + for (var i = 0; i < dispatchListeners.length; i++) { + if (event.isPropagationStopped()) { + break; + } // Listeners and Instances are two parallel arrays that are always in sync. + + + executeDispatch(event, dispatchListeners[i], dispatchInstances[i]); + } + } else if (dispatchListeners) { + executeDispatch(event, dispatchListeners, dispatchInstances); + } + + event._dispatchListeners = null; + event._dispatchInstances = null; +} + +var FunctionComponent = 0; +var ClassComponent = 1; +var IndeterminateComponent = 2; // Before we know whether it is function or class + +var HostRoot = 3; // Root of a host tree. Could be nested inside another node. + +var HostPortal = 4; // A subtree. Could be an entry point to a different renderer. + +var HostComponent = 5; +var HostText = 6; +var Fragment = 7; +var Mode = 8; +var ContextConsumer = 9; +var ContextProvider = 10; +var ForwardRef = 11; +var Profiler = 12; +var SuspenseComponent = 13; +var MemoComponent = 14; +var SimpleMemoComponent = 15; +var LazyComponent = 16; +var IncompleteClassComponent = 17; +var DehydratedFragment = 18; +var SuspenseListComponent = 19; +var FundamentalComponent = 20; +var ScopeComponent = 21; +var Block = 22; + +/** + * 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); + + if (!(pluginIndex > -1)) { + { + throw Error( "EventPluginRegistry: Cannot inject event plugins that do not exist in the plugin ordering, `" + pluginName + "`." ); + } + } + + if (plugins[pluginIndex]) { + continue; + } + + if (!pluginModule.extractEvents) { + { + throw Error( "EventPluginRegistry: Event plugins must implement an `extractEvents` method, but `" + pluginName + "` does not." ); + } + } + + plugins[pluginIndex] = pluginModule; + var publishedEvents = pluginModule.eventTypes; + + for (var eventName in publishedEvents) { + if (!publishEventForPlugin(publishedEvents[eventName], pluginModule, eventName)) { + { + throw Error( "EventPluginRegistry: Failed to publish event `" + eventName + "` for plugin `" + pluginName + "`." ); + } + } + } + } +} +/** + * 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) { + if (!!eventNameDispatchConfigs.hasOwnProperty(eventName)) { + { + throw Error( "EventPluginRegistry: More than one plugin attempted to publish the same event name, `" + eventName + "`." ); + } + } + + 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. * @@ -4004,8 +4483,15 @@ function publishEventForPlugin(dispatchConfig, pluginModule, eventName) { * @param {object} PluginModule Plugin publishing the event. * @private */ + + function publishRegistrationName(registrationName, pluginModule, eventName) { - !!registrationNameModules[registrationName] ? invariant(false, 'EventPluginHub: More than one plugin attempted to publish the same registration name, `%s`.', registrationName) : void 0; + if (!!registrationNameModules[registrationName]) { + { + throw Error( "EventPluginRegistry: More than one plugin attempted to publish the same registration name, `" + registrationName + "`." ); + } + } + registrationNameModules[registrationName] = pluginModule; registrationNameDependencies[registrationName] = pluginModule.eventTypes[eventName].dependencies; @@ -4018,41 +4504,39 @@ function publishRegistrationName(registrationName, pluginModule, eventName) { } } } - /** * Registers plugins so that they can extract and dispatch events. - * - * @see {EventPluginHub} */ /** * Ordered list of injected plugins. */ -var plugins = []; + +var plugins = []; /** * Mapping from event name to dispatch config */ -var eventNameDispatchConfigs = {}; +var eventNameDispatchConfigs = {}; /** * Mapping from registration name to plugin module */ -var registrationNameModules = {}; +var registrationNameModules = {}; /** * Mapping from registration name to event name */ -var registrationNameDependencies = {}; +var 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} */ -var possibleRegistrationNames = {}; -// Trust the developer to only use possibleRegistrationNames in true + +var possibleRegistrationNames = {} ; // Trust the developer to only use possibleRegistrationNames in true /** * Injects an ordering of plugins (by plugin name). This allows the ordering @@ -4061,3568 +4545,3059 @@ var possibleRegistrationNames = {}; * * @param {array} InjectedEventPluginOrder * @internal - * @see {EventPluginHub.injection.injectEventPluginOrder} */ + function injectEventPluginOrder(injectedEventPluginOrder) { - !!eventPluginOrder ? invariant(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. + if (!!eventPluginOrder) { + { + throw Error( "EventPluginRegistry: Cannot inject event plugin ordering more than once. You are likely trying to load more than one copy of React." ); + } + } // 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 + * Injects plugins to be used by plugin event system. 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} */ + function injectEventPluginsByName(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(false, 'EventPluginRegistry: Cannot inject two different event plugins using the same name, `%s`.', pluginName) : void 0; + if (!!namesToPlugins[pluginName]) { + { + throw Error( "EventPluginRegistry: Cannot inject two different event plugins using the same name, `" + pluginName + "`." ); + } + } + namesToPlugins[pluginName] = pluginModule; isOrderingDirty = true; } } + if (isOrderingDirty) { recomputePluginOrdering(); } } -/** - * Similar to invariant but only logs a warning if the condition is not met. - * This can be used to log issues in development environments in critical - * paths. Removing the logging code for production environments will keep the - * same logic and follow the same code paths. - */ +var canUseDOM = !!(typeof window !== 'undefined' && typeof window.document !== 'undefined' && typeof window.document.createElement !== 'undefined'); -var warningWithoutStack = function () {}; +var PLUGIN_EVENT_SYSTEM = 1; +var IS_REPLAYED = 1 << 5; +var IS_FIRST_ANCESTOR = 1 << 6; -{ - warningWithoutStack = function (condition, format) { - for (var _len = arguments.length, args = Array(_len > 2 ? _len - 2 : 0), _key = 2; _key < _len; _key++) { - args[_key - 2] = arguments[_key]; - } +var restoreImpl = null; +var restoreTarget = null; +var restoreQueue = null; - if (format === undefined) { - throw new Error('`warningWithoutStack(condition, format, ...args)` requires a warning ' + 'message argument'); - } - if (args.length > 8) { - // Check before the condition to catch violations early. - throw new Error('warningWithoutStack() currently supports at most 8 arguments.'); - } - if (condition) { - return; - } - if (typeof console !== 'undefined') { - var argsWithFormat = args.map(function (item) { - return '' + item; - }); - argsWithFormat.unshift('Warning: ' + format); +function restoreStateOfTarget(target) { + // We perform this translation at the end of the event loop so that we + // always receive the correct fiber here + var internalInstance = getInstanceFromNode(target); - // We intentionally don't use spread (or .apply) directly because it - // breaks IE9: https://github.com/facebook/react/issues/13610 - Function.prototype.apply.call(console.error, console, argsWithFormat); + if (!internalInstance) { + // Unmounted + return; + } + + if (!(typeof restoreImpl === 'function')) { + { + throw Error( "setRestoreImplementation() needs to be called to handle a target for controlled events. This error is likely caused by a bug in React. Please file an issue." ); } - try { - // --- Welcome to debugging React --- - // This error was thrown as a convenience so that you can use this stack - // to find the callsite that caused this warning to fire. - var argIndex = 0; - var message = 'Warning: ' + format.replace(/%s/g, function () { - return args[argIndex++]; - }); - throw new Error(message); - } catch (x) {} - }; -} + } -var warningWithoutStack$1 = warningWithoutStack; + var stateNode = internalInstance.stateNode; // Guard against Fiber being unmounted. -var getFiberCurrentPropsFromNode = null; -var getInstanceFromNode = null; -var getNodeFromInstance = null; + if (stateNode) { + var _props = getFiberCurrentPropsFromNode(stateNode); -function setComponentTree(getFiberCurrentPropsFromNodeImpl, getInstanceFromNodeImpl, getNodeFromInstanceImpl) { - getFiberCurrentPropsFromNode = getFiberCurrentPropsFromNodeImpl; - getInstanceFromNode = getInstanceFromNodeImpl; - getNodeFromInstance = getNodeFromInstanceImpl; - { - !(getNodeFromInstance && getInstanceFromNode) ? warningWithoutStack$1(false, 'EventPluginUtils.setComponentTree(...): Injected ' + 'module is missing getNodeFromInstance or getInstanceFromNode.') : void 0; + restoreImpl(internalInstance.stateNode, internalInstance.type, _props); } } -var validateEventDispatches = void 0; -{ - validateEventDispatches = function (event) { - var dispatchListeners = event._dispatchListeners; - var dispatchInstances = event._dispatchInstances; - - var listenersIsArr = Array.isArray(dispatchListeners); - var listenersLen = listenersIsArr ? dispatchListeners.length : dispatchListeners ? 1 : 0; - - var instancesIsArr = Array.isArray(dispatchInstances); - var instancesLen = instancesIsArr ? dispatchInstances.length : dispatchInstances ? 1 : 0; - - !(instancesIsArr === listenersIsArr && instancesLen === listenersLen) ? warningWithoutStack$1(false, 'EventPluginUtils: Invalid `event`.') : void 0; - }; +function setRestoreImplementation(impl) { + restoreImpl = impl; +} +function enqueueStateRestore(target) { + if (restoreTarget) { + if (restoreQueue) { + restoreQueue.push(target); + } else { + restoreQueue = [target]; + } + } else { + restoreTarget = target; + } +} +function needsStateRestore() { + return restoreTarget !== null || restoreQueue !== null; } +function restoreStateIfNeeded() { + if (!restoreTarget) { + return; + } -/** - * Dispatch the event to the listener. - * @param {SyntheticEvent} event SyntheticEvent to handle - * @param {function} listener Application-level callback - * @param {*} inst Internal component instance - */ -function executeDispatch(event, listener, inst) { - var type = event.type || 'unknown-event'; - event.currentTarget = getNodeFromInstance(inst); - invokeGuardedCallbackAndCatchFirstError(type, listener, undefined, event); - event.currentTarget = null; -} + var target = restoreTarget; + var queuedTargets = restoreQueue; + restoreTarget = null; + restoreQueue = null; + restoreStateOfTarget(target); -/** - * Standard/simple iteration through an event's collected dispatches. - */ -function executeDispatchesInOrder(event) { - var dispatchListeners = event._dispatchListeners; - var dispatchInstances = event._dispatchInstances; - { - validateEventDispatches(event); - } - if (Array.isArray(dispatchListeners)) { - for (var i = 0; i < dispatchListeners.length; i++) { - if (event.isPropagationStopped()) { - break; - } - // Listeners and Instances are two parallel arrays that are always in sync. - executeDispatch(event, dispatchListeners[i], dispatchInstances[i]); + if (queuedTargets) { + for (var i = 0; i < queuedTargets.length; i++) { + restoreStateOfTarget(queuedTargets[i]); } - } else if (dispatchListeners) { - executeDispatch(event, dispatchListeners, dispatchInstances); } - event._dispatchListeners = null; - event._dispatchInstances = null; } -/** - * @see executeDispatchesInOrderStopAtTrueImpl - */ +var enableProfilerTimer = true; // Trace which interactions trigger each commit. +var enableDeprecatedFlareAPI = false; // Experimental Host Component support. -/** - * 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. - */ +var enableFundamentalAPI = false; // Experimental Scope support. +var warnAboutStringRefs = false; +// the renderer. Such as when we're dispatching events or if third party +// libraries need to call batchedUpdates. Eventually, this API will go away when +// everything is batched by default. We'll then have a similar API to opt-out of +// scheduled work and instead do synchronous work. +// Defaults -/** - * @param {SyntheticEvent} event - * @return {boolean} True iff number of dispatches accumulated is greater than 0. - */ +var batchedUpdatesImpl = function (fn, bookkeeping) { + return fn(bookkeeping); +}; -/** - * 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. - */ +var discreteUpdatesImpl = function (fn, a, b, c, d) { + return fn(a, b, c, d); +}; -function accumulateInto(current, next) { - !(next != null) ? invariant(false, 'accumulateInto(...): Accumulated items must not be null or undefined.') : void 0; +var flushDiscreteUpdatesImpl = function () {}; - if (current == null) { - return next; - } +var batchedEventUpdatesImpl = batchedUpdatesImpl; +var isInsideEventHandler = false; +var isBatchingEventUpdates = false; - // 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; +function finishEventHandler() { + // Here we wait until all updates have propagated, which is important + // when using controlled components within layers: + // https://github.com/facebook/react/issues/1698 + // Then we restore state of any controlled component. + var controlledComponentsHavePendingUpdates = needsStateRestore(); + + if (controlledComponentsHavePendingUpdates) { + // If a controlled event was fired, we may need to restore the state of + // the DOM node back to the controlled value. This is necessary when React + // bails out of the update without touching the DOM. + flushDiscreteUpdatesImpl(); + restoreStateIfNeeded(); } +} - if (Array.isArray(next)) { - // A bit too dangerous to mutate `next`. - return [current].concat(next); +function batchedUpdates(fn, bookkeeping) { + if (isInsideEventHandler) { + // If we are currently inside another batch, we need to wait until it + // fully completes before restoring state. + return fn(bookkeeping); } - return [current, next]; -} + isInsideEventHandler = true; -/** - * @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); + try { + return batchedUpdatesImpl(fn, bookkeeping); + } finally { + isInsideEventHandler = false; + finishEventHandler(); } } +function batchedEventUpdates(fn, a, b) { + if (isBatchingEventUpdates) { + // If we are currently inside another batch, we need to wait until it + // fully completes before restoring state. + return fn(a, b); + } -/** - * Internal queue of events that have accumulated their dispatches and are - * waiting to have their dispatches executed. - */ -var eventQueue = null; + isBatchingEventUpdates = true; -/** - * Dispatches an event and releases it back into the pool, unless persistent. - * - * @param {?object} event Synthetic event to be dispatched. - * @private - */ -var executeDispatchesAndRelease = function (event) { - if (event) { - executeDispatchesInOrder(event); + try { + return batchedEventUpdatesImpl(fn, a, b); + } finally { + isBatchingEventUpdates = false; + finishEventHandler(); + } +} // This is for the React Flare event system +function discreteUpdates(fn, a, b, c, d) { + var prevIsInsideEventHandler = isInsideEventHandler; + isInsideEventHandler = true; - if (!event.isPersistent()) { - event.constructor.release(event); + try { + return discreteUpdatesImpl(fn, a, b, c, d); + } finally { + isInsideEventHandler = prevIsInsideEventHandler; + + if (!isInsideEventHandler) { + finishEventHandler(); } } -}; -var executeDispatchesAndReleaseTopLevel = function (e) { - return executeDispatchesAndRelease(e); -}; - -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; +function flushDiscreteUpdatesIfNeeded(timeStamp) { + // event.timeStamp isn't overly reliable due to inconsistencies in + // how different browsers have historically provided the time stamp. + // Some browsers provide high-resolution time stamps for all events, + // some provide low-resolution time stamps for all events. FF < 52 + // even mixes both time stamps together. Some browsers even report + // negative time stamps or time stamps that are 0 (iOS9) in some cases. + // Given we are only comparing two time stamps with equality (!==), + // we are safe from the resolution differences. If the time stamp is 0 + // we bail-out of preventing the flush, which can affect semantics, + // such as if an earlier flush removes or adds event listeners that + // are fired in the subsequent flush. However, this is the same + // behaviour as we had before this change, so the risks are low. + if (!isInsideEventHandler && (!enableDeprecatedFlareAPI )) { + flushDiscreteUpdatesImpl(); } } +function setBatchingImplementation(_batchedUpdatesImpl, _discreteUpdatesImpl, _flushDiscreteUpdatesImpl, _batchedEventUpdatesImpl) { + batchedUpdatesImpl = _batchedUpdatesImpl; + discreteUpdatesImpl = _discreteUpdatesImpl; + flushDiscreteUpdatesImpl = _flushDiscreteUpdatesImpl; + batchedEventUpdatesImpl = _batchedEventUpdatesImpl; +} -/** - * 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 DiscreteEvent = 0; +var UserBlockingEvent = 1; +var ContinuousEvent = 2; -/** - * Methods for injecting dependencies. - */ -var injection = { - /** - * @param {array} InjectedEventPluginOrder - * @public - */ - injectEventPluginOrder: injectEventPluginOrder, +// A reserved attribute. +// It is handled by React separately and shouldn't be written to the DOM. +var RESERVED = 0; // A simple string attribute. +// Attributes that aren't in the whitelist are presumed to have this type. - /** - * @param {object} injectedNamesToPlugins Map from names to plugin modules. - */ - injectEventPluginsByName: injectEventPluginsByName -}; +var STRING = 1; // A string attribute that accepts booleans in React. In HTML, these are called +// "enumerated" attributes with "true" and "false" as possible values. +// When true, it should be set to a "true" string. +// When false, it should be set to a "false" string. -/** - * @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. - */ -function getListener(inst, registrationName) { - var listener = void 0; +var BOOLEANISH_STRING = 2; // A real boolean attribute. +// When true, it should be present (set either to an empty string or its name). +// When false, it should be omitted. - // TODO: shouldPreventMouseEvent is DOM-specific and definitely should not - // live here; needs to be moved to a better place soon - var stateNode = inst.stateNode; - if (!stateNode) { - // Work in progress (ex: onload events in incremental mode). - return null; - } - var props = getFiberCurrentPropsFromNode(stateNode); - if (!props) { - // Work in progress. - return null; - } - listener = props[registrationName]; - if (shouldPreventMouseEvent(registrationName, inst.type, props)) { - return null; +var BOOLEAN = 3; // An attribute that can be used as a flag as well as with a value. +// When true, it should be present (set either to an empty string or its name). +// When false, it should be omitted. +// For any other value, should be present with that value. + +var OVERLOADED_BOOLEAN = 4; // An attribute that must be numeric or parse as a numeric. +// When falsy, it should be removed. + +var NUMERIC = 5; // An attribute that must be positive numeric or parse as a positive numeric. +// When falsy, it should be removed. + +var POSITIVE_NUMERIC = 6; + +/* eslint-disable max-len */ +var ATTRIBUTE_NAME_START_CHAR = ":A-Z_a-z\\u00C0-\\u00D6\\u00D8-\\u00F6\\u00F8-\\u02FF\\u0370-\\u037D\\u037F-\\u1FFF\\u200C-\\u200D\\u2070-\\u218F\\u2C00-\\u2FEF\\u3001-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFFD"; +/* eslint-enable max-len */ + +var ATTRIBUTE_NAME_CHAR = ATTRIBUTE_NAME_START_CHAR + "\\-.0-9\\u00B7\\u0300-\\u036F\\u203F-\\u2040"; +var ROOT_ATTRIBUTE_NAME = 'data-reactroot'; +var VALID_ATTRIBUTE_NAME_REGEX = new RegExp('^[' + ATTRIBUTE_NAME_START_CHAR + '][' + ATTRIBUTE_NAME_CHAR + ']*$'); +var hasOwnProperty = Object.prototype.hasOwnProperty; +var illegalAttributeNameCache = {}; +var validatedAttributeNameCache = {}; +function isAttributeNameSafe(attributeName) { + if (hasOwnProperty.call(validatedAttributeNameCache, attributeName)) { + return true; } - !(!listener || typeof listener === 'function') ? invariant(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 - */ -function extractEvents(topLevelType, targetInst, nativeEvent, nativeEventTarget) { - var events = null; - 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(events, extractedEvents); - } - } + if (hasOwnProperty.call(illegalAttributeNameCache, attributeName)) { + return false; } - return events; -} -function runEventsInBatch(events) { - if (events !== null) { - eventQueue = accumulateInto(eventQueue, events); + if (VALID_ATTRIBUTE_NAME_REGEX.test(attributeName)) { + validatedAttributeNameCache[attributeName] = true; + return true; } - // Set `eventQueue` to null before processing it so that we can tell if more - // events get enqueued while processing. - var processingEventQueue = eventQueue; - eventQueue = null; + illegalAttributeNameCache[attributeName] = true; - if (!processingEventQueue) { - return; + { + error('Invalid attribute name: `%s`', attributeName); } - forEachAccumulated(processingEventQueue, executeDispatchesAndReleaseTopLevel); - !!eventQueue ? invariant(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. - rethrowCaughtError(); + return false; } +function shouldIgnoreAttribute(name, propertyInfo, isCustomComponentTag) { + if (propertyInfo !== null) { + return propertyInfo.type === RESERVED; + } -function runExtractedEventsInBatch(topLevelType, targetInst, nativeEvent, nativeEventTarget) { - var events = extractEvents(topLevelType, targetInst, nativeEvent, nativeEventTarget); - runEventsInBatch(events); + if (isCustomComponentTag) { + return false; + } + + if (name.length > 2 && (name[0] === 'o' || name[0] === 'O') && (name[1] === 'n' || name[1] === 'N')) { + return true; + } + + return false; } +function shouldRemoveAttributeWithWarning(name, value, propertyInfo, isCustomComponentTag) { + if (propertyInfo !== null && propertyInfo.type === RESERVED) { + return false; + } -var FunctionComponent = 0; -var ClassComponent = 1; -var IndeterminateComponent = 2; // Before we know whether it is function or class -var HostRoot = 3; // Root of a host tree. Could be nested inside another node. -var HostPortal = 4; // A subtree. Could be an entry point to a different renderer. -var HostComponent = 5; -var HostText = 6; -var Fragment = 7; -var Mode = 8; -var ContextConsumer = 9; -var ContextProvider = 10; -var ForwardRef = 11; -var Profiler = 12; -var SuspenseComponent = 13; -var MemoComponent = 14; -var SimpleMemoComponent = 15; -var LazyComponent = 16; -var IncompleteClassComponent = 17; + switch (typeof value) { + case 'function': // $FlowIssue symbol is perfectly valid here -var randomKey = Math.random().toString(36).slice(2); -var internalInstanceKey = '__reactInternalInstance$' + randomKey; -var internalEventHandlersKey = '__reactEventHandlers$' + randomKey; + case 'symbol': + // eslint-disable-line + return true; -function precacheFiberNode(hostInst, node) { - node[internalInstanceKey] = hostInst; -} + case 'boolean': + { + if (isCustomComponentTag) { + return false; + } -/** - * Given a DOM node, return the closest ReactDOMComponent or - * ReactDOMTextComponent instance ancestor. - */ -function getClosestInstanceFromNode(node) { - if (node[internalInstanceKey]) { - return node[internalInstanceKey]; + if (propertyInfo !== null) { + return !propertyInfo.acceptsBooleans; + } else { + var prefix = name.toLowerCase().slice(0, 5); + return prefix !== 'data-' && prefix !== 'aria-'; + } + } + + default: + return false; + } +} +function shouldRemoveAttribute(name, value, propertyInfo, isCustomComponentTag) { + if (value === null || typeof value === 'undefined') { + return true; } - while (!node[internalInstanceKey]) { - if (node.parentNode) { - node = node.parentNode; - } else { - // Top of the tree. This node must not be part of a React tree (or is - // unmounted, potentially). - return null; - } + if (shouldRemoveAttributeWithWarning(name, value, propertyInfo, isCustomComponentTag)) { + return true; } - var inst = node[internalInstanceKey]; - if (inst.tag === HostComponent || inst.tag === HostText) { - // In Fiber, this will always be the deepest root. - return inst; + if (isCustomComponentTag) { + return false; } - return null; -} + if (propertyInfo !== null) { + switch (propertyInfo.type) { + case BOOLEAN: + return !value; -/** - * Given a DOM node, return the ReactDOMComponent or ReactDOMTextComponent - * instance, or null if the node was not rendered by this React. - */ -function getInstanceFromNode$1(node) { - var inst = node[internalInstanceKey]; - if (inst) { - if (inst.tag === HostComponent || inst.tag === HostText) { - return inst; - } else { - return null; + case OVERLOADED_BOOLEAN: + return value === false; + + case NUMERIC: + return isNaN(value); + + case POSITIVE_NUMERIC: + return isNaN(value) || value < 1; } } - return null; + + return false; +} +function getPropertyInfo(name) { + return properties.hasOwnProperty(name) ? properties[name] : null; } -/** - * Given a ReactDOMComponent or ReactDOMTextComponent, return the corresponding - * DOM node. - */ -function getNodeFromInstance$1(inst) { - if (inst.tag === HostComponent || inst.tag === HostText) { - // In Fiber this, is just the state node right now. We assume it will be - // a host component or host text. - return inst.stateNode; - } +function PropertyInfoRecord(name, type, mustUseProperty, attributeName, attributeNamespace, sanitizeURL) { + this.acceptsBooleans = type === BOOLEANISH_STRING || type === BOOLEAN || type === OVERLOADED_BOOLEAN; + this.attributeName = attributeName; + this.attributeNamespace = attributeNamespace; + this.mustUseProperty = mustUseProperty; + this.propertyName = name; + this.type = type; + this.sanitizeURL = sanitizeURL; +} // When adding attributes to this list, be sure to also add them to +// the `possibleStandardNames` module to ensure casing and incorrect +// name warnings. - // Without this first invariant, passing a non-DOM-component triggers the next - // invariant for a missing parent, which is super confusing. - invariant(false, 'getNodeFromInstance: Invalid argument.'); -} -function getFiberCurrentPropsFromNode$1(node) { - return node[internalEventHandlersKey] || null; -} +var properties = {}; // These props are reserved by React. They shouldn't be written to the DOM. -function updateFiberProps(node, props) { - node[internalEventHandlersKey] = props; -} +var reservedProps = ['children', 'dangerouslySetInnerHTML', // TODO: This prevents the assignment of defaultValue to regular +// elements (not just inputs). Now that ReactDOMInput assigns to the +// defaultValue property -- do we need this? +'defaultValue', 'defaultChecked', 'innerHTML', 'suppressContentEditableWarning', 'suppressHydrationWarning', 'style']; -function getParent(inst) { - 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; -} +reservedProps.forEach(function (name) { + properties[name] = new PropertyInfoRecord(name, RESERVED, false, // mustUseProperty + name, // attributeName + null, // attributeNamespace + false); +}); // A few React string attributes have a different name. +// This is a mapping from React prop names to the attribute names. -/** - * 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++; - } +[['acceptCharset', 'accept-charset'], ['className', 'class'], ['htmlFor', 'for'], ['httpEquiv', 'http-equiv']].forEach(function (_ref) { + var name = _ref[0], + attributeName = _ref[1]; + properties[name] = new PropertyInfoRecord(name, STRING, false, // mustUseProperty + attributeName, // attributeName + null, // attributeNamespace + false); +}); // These are "enumerated" HTML attributes that accept "true" and "false". +// In React, we let users pass `true` and `false` even though technically +// these aren't boolean attributes (they are coerced to strings). - // If A is deeper, crawl up. - while (depthA - depthB > 0) { - instA = getParent(instA); - depthA--; - } +['contentEditable', 'draggable', 'spellCheck', 'value'].forEach(function (name) { + properties[name] = new PropertyInfoRecord(name, BOOLEANISH_STRING, false, // mustUseProperty + name.toLowerCase(), // attributeName + null, // attributeNamespace + false); +}); // These are "enumerated" SVG attributes that accept "true" and "false". +// In React, we let users pass `true` and `false` even though technically +// these aren't boolean attributes (they are coerced to strings). +// Since these are SVG attributes, their attribute names are case-sensitive. - // If B is deeper, crawl up. - while (depthB - depthA > 0) { - instB = getParent(instB); - depthB--; - } +['autoReverse', 'externalResourcesRequired', 'focusable', 'preserveAlpha'].forEach(function (name) { + properties[name] = new PropertyInfoRecord(name, BOOLEANISH_STRING, false, // mustUseProperty + name, // attributeName + null, // attributeNamespace + false); +}); // These are HTML boolean attributes. - // Walk in lockstep until we find a match. - var depth = depthA; - while (depth--) { - if (instA === instB || instA === instB.alternate) { - return instA; +['allowFullScreen', 'async', // Note: there is a special case that prevents it from being written to the DOM +// on the client side because the browsers are inconsistent. Instead we call focus(). +'autoFocus', 'autoPlay', 'controls', 'default', 'defer', 'disabled', 'disablePictureInPicture', 'formNoValidate', 'hidden', 'loop', 'noModule', 'noValidate', 'open', 'playsInline', 'readOnly', 'required', 'reversed', 'scoped', 'seamless', // Microdata +'itemScope'].forEach(function (name) { + properties[name] = new PropertyInfoRecord(name, BOOLEAN, false, // mustUseProperty + name.toLowerCase(), // attributeName + null, // attributeNamespace + false); +}); // These are the few React props that we set as DOM properties +// rather than attributes. These are all booleans. + +['checked', // Note: `option.selected` is not updated if `select.multiple` is +// disabled with `removeAttribute`. We have special logic for handling this. +'multiple', 'muted', 'selected' // NOTE: if you add a camelCased prop to this list, +// you'll need to set attributeName to name.toLowerCase() +// instead in the assignment below. +].forEach(function (name) { + properties[name] = new PropertyInfoRecord(name, BOOLEAN, true, // mustUseProperty + name, // attributeName + null, // attributeNamespace + false); +}); // These are HTML attributes that are "overloaded booleans": they behave like +// booleans, but can also accept a string value. + +['capture', 'download' // NOTE: if you add a camelCased prop to this list, +// you'll need to set attributeName to name.toLowerCase() +// instead in the assignment below. +].forEach(function (name) { + properties[name] = new PropertyInfoRecord(name, OVERLOADED_BOOLEAN, false, // mustUseProperty + name, // attributeName + null, // attributeNamespace + false); +}); // These are HTML attributes that must be positive numbers. + +['cols', 'rows', 'size', 'span' // NOTE: if you add a camelCased prop to this list, +// you'll need to set attributeName to name.toLowerCase() +// instead in the assignment below. +].forEach(function (name) { + properties[name] = new PropertyInfoRecord(name, POSITIVE_NUMERIC, false, // mustUseProperty + name, // attributeName + null, // attributeNamespace + false); +}); // These are HTML attributes that must be numbers. + +['rowSpan', 'start'].forEach(function (name) { + properties[name] = new PropertyInfoRecord(name, NUMERIC, false, // mustUseProperty + name.toLowerCase(), // attributeName + null, // attributeNamespace + false); +}); +var CAMELIZE = /[\-\:]([a-z])/g; + +var capitalize = function (token) { + return token[1].toUpperCase(); +}; // This is a list of all SVG attributes that need special casing, namespacing, +// or boolean value assignment. Regular attributes that just accept strings +// and have the same names are omitted, just like in the HTML whitelist. +// Some of these attributes can be hard to find. This list was created by +// scraping the MDN documentation. + + +['accent-height', 'alignment-baseline', 'arabic-form', 'baseline-shift', 'cap-height', 'clip-path', 'clip-rule', 'color-interpolation', 'color-interpolation-filters', 'color-profile', 'color-rendering', 'dominant-baseline', 'enable-background', 'fill-opacity', 'fill-rule', 'flood-color', 'flood-opacity', 'font-family', 'font-size', 'font-size-adjust', 'font-stretch', 'font-style', 'font-variant', 'font-weight', 'glyph-name', 'glyph-orientation-horizontal', 'glyph-orientation-vertical', 'horiz-adv-x', 'horiz-origin-x', 'image-rendering', 'letter-spacing', 'lighting-color', 'marker-end', 'marker-mid', 'marker-start', 'overline-position', 'overline-thickness', 'paint-order', 'panose-1', 'pointer-events', 'rendering-intent', 'shape-rendering', 'stop-color', 'stop-opacity', 'strikethrough-position', 'strikethrough-thickness', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'text-anchor', 'text-decoration', 'text-rendering', 'underline-position', 'underline-thickness', 'unicode-bidi', 'unicode-range', 'units-per-em', 'v-alphabetic', 'v-hanging', 'v-ideographic', 'v-mathematical', 'vector-effect', 'vert-adv-y', 'vert-origin-x', 'vert-origin-y', 'word-spacing', 'writing-mode', 'xmlns:xlink', 'x-height' // NOTE: if you add a camelCased prop to this list, +// you'll need to set attributeName to name.toLowerCase() +// instead in the assignment below. +].forEach(function (attributeName) { + var name = attributeName.replace(CAMELIZE, capitalize); + properties[name] = new PropertyInfoRecord(name, STRING, false, // mustUseProperty + attributeName, null, // attributeNamespace + false); +}); // String SVG attributes with the xlink namespace. + +['xlink:actuate', 'xlink:arcrole', 'xlink:role', 'xlink:show', 'xlink:title', 'xlink:type' // NOTE: if you add a camelCased prop to this list, +// you'll need to set attributeName to name.toLowerCase() +// instead in the assignment below. +].forEach(function (attributeName) { + var name = attributeName.replace(CAMELIZE, capitalize); + properties[name] = new PropertyInfoRecord(name, STRING, false, // mustUseProperty + attributeName, 'http://www.w3.org/1999/xlink', false); +}); // String SVG attributes with the xml namespace. + +['xml:base', 'xml:lang', 'xml:space' // NOTE: if you add a camelCased prop to this list, +// you'll need to set attributeName to name.toLowerCase() +// instead in the assignment below. +].forEach(function (attributeName) { + var name = attributeName.replace(CAMELIZE, capitalize); + properties[name] = new PropertyInfoRecord(name, STRING, false, // mustUseProperty + attributeName, 'http://www.w3.org/XML/1998/namespace', false); +}); // These attribute exists both in HTML and SVG. +// The attribute name is case-sensitive in SVG so we can't just use +// the React name like we do for attributes that exist only in HTML. + +['tabIndex', 'crossOrigin'].forEach(function (attributeName) { + properties[attributeName] = new PropertyInfoRecord(attributeName, STRING, false, // mustUseProperty + attributeName.toLowerCase(), // attributeName + null, // attributeNamespace + false); +}); // These attributes accept URLs. These must not allow javascript: URLS. +// These will also need to accept Trusted Types object in the future. + +var xlinkHref = 'xlinkHref'; +properties[xlinkHref] = new PropertyInfoRecord('xlinkHref', STRING, false, // mustUseProperty +'xlink:href', 'http://www.w3.org/1999/xlink', true); +['src', 'href', 'action', 'formAction'].forEach(function (attributeName) { + properties[attributeName] = new PropertyInfoRecord(attributeName, STRING, false, // mustUseProperty + attributeName.toLowerCase(), // attributeName + null, // attributeNamespace + true); +}); + +var ReactDebugCurrentFrame = null; + +{ + ReactDebugCurrentFrame = ReactSharedInternals.ReactDebugCurrentFrame; +} // A javascript: URL can contain leading C0 control or \u0020 SPACE, +// and any newline or tab are filtered out as if they're not part of the URL. +// https://url.spec.whatwg.org/#url-parsing +// Tab or newline are defined as \r\n\t: +// https://infra.spec.whatwg.org/#ascii-tab-or-newline +// A C0 control is a code point in the range \u0000 NULL to \u001F +// INFORMATION SEPARATOR ONE, inclusive: +// https://infra.spec.whatwg.org/#c0-control-or-space + +/* eslint-disable max-len */ + + +var isJavaScriptProtocol = /^[\u0000-\u001F ]*j[\r\n\t]*a[\r\n\t]*v[\r\n\t]*a[\r\n\t]*s[\r\n\t]*c[\r\n\t]*r[\r\n\t]*i[\r\n\t]*p[\r\n\t]*t[\r\n\t]*\:/i; +var didWarn = false; + +function sanitizeURL(url) { + { + if (!didWarn && isJavaScriptProtocol.test(url)) { + didWarn = true; + + error('A future version of React will block javascript: URLs as a security precaution. ' + 'Use event handlers instead if you can. If you need to generate unsafe HTML try ' + 'using dangerouslySetInnerHTML instead. React was passed %s.', JSON.stringify(url)); } - instA = getParent(instA); - instB = getParent(instB); } - return null; } /** - * Return if A is an ancestor of B. + * Get the value for a property on a node. Only used in DEV for SSR validation. + * The "expected" argument is used as a hint of what the expected value is. + * Some properties have multiple equivalent values. */ +function getValueForProperty(node, name, expected, propertyInfo) { + { + if (propertyInfo.mustUseProperty) { + var propertyName = propertyInfo.propertyName; + return node[propertyName]; + } else { + if ( propertyInfo.sanitizeURL) { + // If we haven't fully disabled javascript: URLs, and if + // the hydration is successful of a javascript: URL, we + // still want to warn on the client. + sanitizeURL('' + expected); + } + var attributeName = propertyInfo.attributeName; + var stringValue = null; -/** - * Return the parent instance of the passed-in instance. - */ + if (propertyInfo.type === OVERLOADED_BOOLEAN) { + if (node.hasAttribute(attributeName)) { + var value = node.getAttribute(attributeName); + if (value === '') { + return true; + } -/** - * 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 = void 0; - for (i = path.length; i-- > 0;) { - fn(path[i], 'captured', arg); - } - for (i = 0; i < path.length; i++) { - fn(path[i], 'bubbled', arg); + if (shouldRemoveAttribute(name, expected, propertyInfo, false)) { + return value; + } + + if (value === '' + expected) { + return expected; + } + + return value; + } + } else if (node.hasAttribute(attributeName)) { + if (shouldRemoveAttribute(name, expected, propertyInfo, false)) { + // We had an attribute but shouldn't have had one, so read it + // for the error message. + return node.getAttribute(attributeName); + } + + if (propertyInfo.type === BOOLEAN) { + // If this was a boolean, it doesn't matter what the value is + // the fact that we have it is the same as the expected. + return expected; + } // Even if this property uses a namespace we use getAttribute + // because we assume its namespaced name is the same as our config. + // To use getAttributeNS we need the local name which we don't have + // in our config atm. + + + stringValue = node.getAttribute(attributeName); + } + + if (shouldRemoveAttribute(name, expected, propertyInfo, false)) { + return stringValue === null ? expected : stringValue; + } else if (stringValue === '' + expected) { + return expected; + } else { + return stringValue; + } + } } } - /** - * 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. + * Get the value for a attribute on a node. Only used in DEV for SSR validation. + * The third argument is used as a hint of what the expected value is. Some + * attributes have multiple equivalent values. */ -function traverseEnterLeave(from, to, fn, argFrom, argTo) { - var common = from && to ? getLowestCommonAncestor(from, to) : null; - var pathFrom = []; - while (true) { - if (!from) { - break; - } - if (from === common) { - break; - } - var alternate = from.alternate; - if (alternate !== null && alternate === common) { - break; - } - pathFrom.push(from); - from = getParent(from); - } - var pathTo = []; - while (true) { - if (!to) { - break; + +function getValueForAttribute(node, name, expected) { + { + if (!isAttributeNameSafe(name)) { + return; } - if (to === common) { - break; + + if (!node.hasAttribute(name)) { + return expected === undefined ? undefined : null; } - var _alternate = to.alternate; - if (_alternate !== null && _alternate === common) { - break; + + var value = node.getAttribute(name); + + if (value === '' + expected) { + return expected; } - pathTo.push(to); - to = getParent(to); - } - for (var i = 0; i < pathFrom.length; i++) { - fn(pathFrom[i], 'bubbled', argFrom); - } - for (var _i = pathTo.length; _i-- > 0;) { - fn(pathTo[_i], 'captured', argTo); + + return value; } } - /** - * Some event types have a notion of different registration names for different - * "phases" of propagation. This finds listeners by a given phase. + * Sets the value for a property on a node. + * + * @param {DOMElement} node + * @param {string} name + * @param {*} value */ -function listenerAtPhase(inst, event, propagationPhase) { - var registrationName = event.dispatchConfig.phasedRegistrationNames[propagationPhase]; - return getListener(inst, registrationName); -} -/** - * 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. - */ +function setValueForProperty(node, name, value, isCustomComponentTag) { + var propertyInfo = getPropertyInfo(name); -/** - * 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) { - { - !inst ? warningWithoutStack$1(false, 'Dispatching inst must not be null') : void 0; - } - var listener = listenerAtPhase(inst, event, phase); - if (listener) { - event._dispatchListeners = accumulateInto(event._dispatchListeners, listener); - event._dispatchInstances = accumulateInto(event._dispatchInstances, inst); + if (shouldIgnoreAttribute(name, propertyInfo, isCustomComponentTag)) { + return; } -} -/** - * 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) { - traverseTwoPhase(event._targetInst, accumulateDirectionalDispatches, event); - } -} + if (shouldRemoveAttribute(name, value, propertyInfo, isCustomComponentTag)) { + value = null; + } // If the prop isn't in the special list, treat it as a simple attribute. -/** - * 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(event._dispatchListeners, listener); - event._dispatchInstances = accumulateInto(event._dispatchInstances, inst); + + if (isCustomComponentTag || propertyInfo === null) { + if (isAttributeNameSafe(name)) { + var _attributeName = name; + + if (value === null) { + node.removeAttribute(_attributeName); + } else { + node.setAttribute(_attributeName, '' + value); + } } - } -} -/** - * 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); + return; } -} -function accumulateTwoPhaseDispatches(events) { - forEachAccumulated(events, accumulateTwoPhaseDispatchesSingle); -} + var mustUseProperty = propertyInfo.mustUseProperty; + + if (mustUseProperty) { + var propertyName = propertyInfo.propertyName; + if (value === null) { + var type = propertyInfo.type; + node[propertyName] = type === BOOLEAN ? false : ''; + } else { + // Contrary to `setAttribute`, object properties are properly + // `toString`ed by IE8/9. + node[propertyName] = value; + } + return; + } // The rest are treated as attributes with special cases. -function accumulateEnterLeaveDispatches(leave, enter, from, to) { - traverseEnterLeave(from, to, accumulateDispatches, leave, enter); -} -function accumulateDirectDispatches(events) { - forEachAccumulated(events, accumulateDirectDispatchesSingle); -} + var attributeName = propertyInfo.attributeName, + attributeNamespace = propertyInfo.attributeNamespace; -var canUseDOM = !!(typeof window !== 'undefined' && window.document && window.document.createElement); + if (value === null) { + node.removeAttribute(attributeName); + } else { + var _type = propertyInfo.type; + var attributeValue; -// Do not uses the below two methods directly! -// Instead use constants exported from DOMTopLevelEventTypes in ReactDOM. -// (It is the only module that is allowed to access these methods.) + if (_type === BOOLEAN || _type === OVERLOADED_BOOLEAN && value === true) { + // If attribute type is boolean, we know for sure it won't be an execution sink + // and we won't require Trusted Type here. + attributeValue = ''; + } else { + // `setAttribute` with objects becomes only `[object]` in IE8/9, + // ('' + value) makes it output the correct toString()-value. + { + attributeValue = '' + value; + } -function unsafeCastStringToDOMTopLevelType(topLevelType) { - return topLevelType; -} + if (propertyInfo.sanitizeURL) { + sanitizeURL(attributeValue.toString()); + } + } -function unsafeCastDOMTopLevelTypeToString(topLevelType) { - return topLevelType; + if (attributeNamespace) { + node.setAttributeNS(attributeNamespace, attributeName, attributeValue); + } else { + node.setAttribute(attributeName, attributeValue); + } + } } -/** - * Generate a mapping of standard vendor prefixes using the defined style property and event name. - * - * @param {string} styleProp - * @param {string} eventName - * @returns {object} - */ -function makePrefixMap(styleProp, eventName) { - var prefixes = {}; - - prefixes[styleProp.toLowerCase()] = eventName.toLowerCase(); - prefixes['Webkit' + styleProp] = 'webkit' + eventName; - prefixes['Moz' + styleProp] = 'moz' + eventName; - - return prefixes; -} +var BEFORE_SLASH_RE = /^(.*)[\\\/]/; +function describeComponentFrame (name, source, ownerName) { + var sourceInfo = ''; -/** - * A list of event names to a configurable list of vendor prefixes. - */ -var vendorPrefixes = { - animationend: makePrefixMap('Animation', 'AnimationEnd'), - animationiteration: makePrefixMap('Animation', 'AnimationIteration'), - animationstart: makePrefixMap('Animation', 'AnimationStart'), - transitionend: makePrefixMap('Transition', 'TransitionEnd') -}; + if (source) { + var path = source.fileName; + var fileName = path.replace(BEFORE_SLASH_RE, ''); -/** - * Event names that have already been detected and prefixed (if applicable). - */ -var prefixedEventNames = {}; + { + // In DEV, include code for a common special case: + // prefer "folder/index.js" instead of just "index.js". + if (/^index\./.test(fileName)) { + var match = path.match(BEFORE_SLASH_RE); -/** - * Element to check for prefixes on. - */ -var style = {}; + if (match) { + var pathBeforeSlash = match[1]; -/** - * Bootstrap if a DOM exists. - */ -if (canUseDOM) { - style = document.createElement('div').style; + if (pathBeforeSlash) { + var folderName = pathBeforeSlash.replace(BEFORE_SLASH_RE, ''); + fileName = folderName + '/' + fileName; + } + } + } + } - // On some platforms, in particular some releases of Android 4.x, - // the un-prefixed "animation" and "transition" properties are defined on the - // style object but the events that fire will still be prefixed, so we need - // to check if the un-prefixed events are usable, and if not remove them from the map. - if (!('AnimationEvent' in window)) { - delete vendorPrefixes.animationend.animation; - delete vendorPrefixes.animationiteration.animation; - delete vendorPrefixes.animationstart.animation; + sourceInfo = ' (at ' + fileName + ':' + source.lineNumber + ')'; + } else if (ownerName) { + sourceInfo = ' (created by ' + ownerName + ')'; } - // Same as above - if (!('TransitionEvent' in window)) { - delete vendorPrefixes.transitionend.transition; - } + return '\n in ' + (name || 'Unknown') + sourceInfo; } -/** - * Attempts to determine the correct vendor prefixed event name. - * - * @param {string} eventName - * @returns {string} - */ -function getVendorPrefixedEventName(eventName) { - if (prefixedEventNames[eventName]) { - return prefixedEventNames[eventName]; - } else if (!vendorPrefixes[eventName]) { - return eventName; +// The Symbol used to tag the ReactElement-like types. If there is no native Symbol +// nor polyfill, then a plain number is used for performance. +var hasSymbol = typeof Symbol === 'function' && Symbol.for; +var REACT_ELEMENT_TYPE = hasSymbol ? Symbol.for('react.element') : 0xeac7; +var REACT_PORTAL_TYPE = hasSymbol ? Symbol.for('react.portal') : 0xeaca; +var REACT_FRAGMENT_TYPE = hasSymbol ? Symbol.for('react.fragment') : 0xeacb; +var REACT_STRICT_MODE_TYPE = hasSymbol ? Symbol.for('react.strict_mode') : 0xeacc; +var REACT_PROFILER_TYPE = hasSymbol ? Symbol.for('react.profiler') : 0xead2; +var REACT_PROVIDER_TYPE = hasSymbol ? Symbol.for('react.provider') : 0xeacd; +var REACT_CONTEXT_TYPE = hasSymbol ? Symbol.for('react.context') : 0xeace; // TODO: We don't use AsyncMode or ConcurrentMode anymore. They were temporary +var REACT_CONCURRENT_MODE_TYPE = hasSymbol ? Symbol.for('react.concurrent_mode') : 0xeacf; +var REACT_FORWARD_REF_TYPE = hasSymbol ? Symbol.for('react.forward_ref') : 0xead0; +var REACT_SUSPENSE_TYPE = hasSymbol ? Symbol.for('react.suspense') : 0xead1; +var REACT_SUSPENSE_LIST_TYPE = hasSymbol ? Symbol.for('react.suspense_list') : 0xead8; +var REACT_MEMO_TYPE = hasSymbol ? Symbol.for('react.memo') : 0xead3; +var REACT_LAZY_TYPE = hasSymbol ? Symbol.for('react.lazy') : 0xead4; +var REACT_BLOCK_TYPE = hasSymbol ? Symbol.for('react.block') : 0xead9; +var MAYBE_ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator; +var FAUX_ITERATOR_SYMBOL = '@@iterator'; +function getIteratorFn(maybeIterable) { + if (maybeIterable === null || typeof maybeIterable !== 'object') { + return null; } - var prefixMap = vendorPrefixes[eventName]; + var maybeIterator = MAYBE_ITERATOR_SYMBOL && maybeIterable[MAYBE_ITERATOR_SYMBOL] || maybeIterable[FAUX_ITERATOR_SYMBOL]; - for (var styleProp in prefixMap) { - if (prefixMap.hasOwnProperty(styleProp) && styleProp in style) { - return prefixedEventNames[eventName] = prefixMap[styleProp]; - } + if (typeof maybeIterator === 'function') { + return maybeIterator; } - return eventName; + return null; } -/** - * To identify top level events in ReactDOM, we use constants defined by this - * module. This is the only module that uses the unsafe* methods to express - * that the constants actually correspond to the browser event names. This lets - * us save some bundle size by avoiding a top level type -> event name map. - * The rest of ReactDOM code should import top level types from this file. - */ -var TOP_ABORT = unsafeCastStringToDOMTopLevelType('abort'); -var TOP_ANIMATION_END = unsafeCastStringToDOMTopLevelType(getVendorPrefixedEventName('animationend')); -var TOP_ANIMATION_ITERATION = unsafeCastStringToDOMTopLevelType(getVendorPrefixedEventName('animationiteration')); -var TOP_ANIMATION_START = unsafeCastStringToDOMTopLevelType(getVendorPrefixedEventName('animationstart')); -var TOP_BLUR = unsafeCastStringToDOMTopLevelType('blur'); -var TOP_CAN_PLAY = unsafeCastStringToDOMTopLevelType('canplay'); -var TOP_CAN_PLAY_THROUGH = unsafeCastStringToDOMTopLevelType('canplaythrough'); -var TOP_CANCEL = unsafeCastStringToDOMTopLevelType('cancel'); -var TOP_CHANGE = unsafeCastStringToDOMTopLevelType('change'); -var TOP_CLICK = unsafeCastStringToDOMTopLevelType('click'); -var TOP_CLOSE = unsafeCastStringToDOMTopLevelType('close'); -var TOP_COMPOSITION_END = unsafeCastStringToDOMTopLevelType('compositionend'); -var TOP_COMPOSITION_START = unsafeCastStringToDOMTopLevelType('compositionstart'); -var TOP_COMPOSITION_UPDATE = unsafeCastStringToDOMTopLevelType('compositionupdate'); -var TOP_CONTEXT_MENU = unsafeCastStringToDOMTopLevelType('contextmenu'); -var TOP_COPY = unsafeCastStringToDOMTopLevelType('copy'); -var TOP_CUT = unsafeCastStringToDOMTopLevelType('cut'); -var TOP_DOUBLE_CLICK = unsafeCastStringToDOMTopLevelType('dblclick'); -var TOP_AUX_CLICK = unsafeCastStringToDOMTopLevelType('auxclick'); -var TOP_DRAG = unsafeCastStringToDOMTopLevelType('drag'); -var TOP_DRAG_END = unsafeCastStringToDOMTopLevelType('dragend'); -var TOP_DRAG_ENTER = unsafeCastStringToDOMTopLevelType('dragenter'); -var TOP_DRAG_EXIT = unsafeCastStringToDOMTopLevelType('dragexit'); -var TOP_DRAG_LEAVE = unsafeCastStringToDOMTopLevelType('dragleave'); -var TOP_DRAG_OVER = unsafeCastStringToDOMTopLevelType('dragover'); -var TOP_DRAG_START = unsafeCastStringToDOMTopLevelType('dragstart'); -var TOP_DROP = unsafeCastStringToDOMTopLevelType('drop'); -var TOP_DURATION_CHANGE = unsafeCastStringToDOMTopLevelType('durationchange'); -var TOP_EMPTIED = unsafeCastStringToDOMTopLevelType('emptied'); -var TOP_ENCRYPTED = unsafeCastStringToDOMTopLevelType('encrypted'); -var TOP_ENDED = unsafeCastStringToDOMTopLevelType('ended'); -var TOP_ERROR = unsafeCastStringToDOMTopLevelType('error'); -var TOP_FOCUS = unsafeCastStringToDOMTopLevelType('focus'); -var TOP_GOT_POINTER_CAPTURE = unsafeCastStringToDOMTopLevelType('gotpointercapture'); -var TOP_INPUT = unsafeCastStringToDOMTopLevelType('input'); -var TOP_INVALID = unsafeCastStringToDOMTopLevelType('invalid'); -var TOP_KEY_DOWN = unsafeCastStringToDOMTopLevelType('keydown'); -var TOP_KEY_PRESS = unsafeCastStringToDOMTopLevelType('keypress'); -var TOP_KEY_UP = unsafeCastStringToDOMTopLevelType('keyup'); -var TOP_LOAD = unsafeCastStringToDOMTopLevelType('load'); -var TOP_LOAD_START = unsafeCastStringToDOMTopLevelType('loadstart'); -var TOP_LOADED_DATA = unsafeCastStringToDOMTopLevelType('loadeddata'); -var TOP_LOADED_METADATA = unsafeCastStringToDOMTopLevelType('loadedmetadata'); -var TOP_LOST_POINTER_CAPTURE = unsafeCastStringToDOMTopLevelType('lostpointercapture'); -var TOP_MOUSE_DOWN = unsafeCastStringToDOMTopLevelType('mousedown'); -var TOP_MOUSE_MOVE = unsafeCastStringToDOMTopLevelType('mousemove'); -var TOP_MOUSE_OUT = unsafeCastStringToDOMTopLevelType('mouseout'); -var TOP_MOUSE_OVER = unsafeCastStringToDOMTopLevelType('mouseover'); -var TOP_MOUSE_UP = unsafeCastStringToDOMTopLevelType('mouseup'); -var TOP_PASTE = unsafeCastStringToDOMTopLevelType('paste'); -var TOP_PAUSE = unsafeCastStringToDOMTopLevelType('pause'); -var TOP_PLAY = unsafeCastStringToDOMTopLevelType('play'); -var TOP_PLAYING = unsafeCastStringToDOMTopLevelType('playing'); -var TOP_POINTER_CANCEL = unsafeCastStringToDOMTopLevelType('pointercancel'); -var TOP_POINTER_DOWN = unsafeCastStringToDOMTopLevelType('pointerdown'); - - -var TOP_POINTER_MOVE = unsafeCastStringToDOMTopLevelType('pointermove'); -var TOP_POINTER_OUT = unsafeCastStringToDOMTopLevelType('pointerout'); -var TOP_POINTER_OVER = unsafeCastStringToDOMTopLevelType('pointerover'); -var TOP_POINTER_UP = unsafeCastStringToDOMTopLevelType('pointerup'); -var TOP_PROGRESS = unsafeCastStringToDOMTopLevelType('progress'); -var TOP_RATE_CHANGE = unsafeCastStringToDOMTopLevelType('ratechange'); -var TOP_RESET = unsafeCastStringToDOMTopLevelType('reset'); -var TOP_SCROLL = unsafeCastStringToDOMTopLevelType('scroll'); -var TOP_SEEKED = unsafeCastStringToDOMTopLevelType('seeked'); -var TOP_SEEKING = unsafeCastStringToDOMTopLevelType('seeking'); -var TOP_SELECTION_CHANGE = unsafeCastStringToDOMTopLevelType('selectionchange'); -var TOP_STALLED = unsafeCastStringToDOMTopLevelType('stalled'); -var TOP_SUBMIT = unsafeCastStringToDOMTopLevelType('submit'); -var TOP_SUSPEND = unsafeCastStringToDOMTopLevelType('suspend'); -var TOP_TEXT_INPUT = unsafeCastStringToDOMTopLevelType('textInput'); -var TOP_TIME_UPDATE = unsafeCastStringToDOMTopLevelType('timeupdate'); -var TOP_TOGGLE = unsafeCastStringToDOMTopLevelType('toggle'); -var TOP_TOUCH_CANCEL = unsafeCastStringToDOMTopLevelType('touchcancel'); -var TOP_TOUCH_END = unsafeCastStringToDOMTopLevelType('touchend'); -var TOP_TOUCH_MOVE = unsafeCastStringToDOMTopLevelType('touchmove'); -var TOP_TOUCH_START = unsafeCastStringToDOMTopLevelType('touchstart'); -var TOP_TRANSITION_END = unsafeCastStringToDOMTopLevelType(getVendorPrefixedEventName('transitionend')); -var TOP_VOLUME_CHANGE = unsafeCastStringToDOMTopLevelType('volumechange'); -var TOP_WAITING = unsafeCastStringToDOMTopLevelType('waiting'); -var TOP_WHEEL = unsafeCastStringToDOMTopLevelType('wheel'); - -// List of events that need to be individually attached to media elements. -// Note that events in this list will *not* be listened to at the top level -// unless they're explicitly whitelisted in `ReactBrowserEventEmitter.listenTo`. -var mediaEventTypes = [TOP_ABORT, TOP_CAN_PLAY, TOP_CAN_PLAY_THROUGH, TOP_DURATION_CHANGE, TOP_EMPTIED, TOP_ENCRYPTED, TOP_ENDED, TOP_ERROR, TOP_LOADED_DATA, TOP_LOADED_METADATA, TOP_LOAD_START, TOP_PAUSE, TOP_PLAY, TOP_PLAYING, TOP_PROGRESS, TOP_RATE_CHANGE, TOP_SEEKED, TOP_SEEKING, TOP_STALLED, TOP_SUSPEND, TOP_TIME_UPDATE, TOP_VOLUME_CHANGE, TOP_WAITING]; - -function getRawEventName(topLevelType) { - return unsafeCastDOMTopLevelTypeToString(topLevelType); +var Uninitialized = -1; +var Pending = 0; +var Resolved = 1; +var Rejected = 2; +function refineResolvedLazyComponent(lazyComponent) { + return lazyComponent._status === Resolved ? lazyComponent._result : null; } +function initializeLazyComponentType(lazyComponent) { + if (lazyComponent._status === Uninitialized) { + lazyComponent._status = Pending; + var ctor = lazyComponent._ctor; + var thenable = ctor(); + lazyComponent._result = thenable; + thenable.then(function (moduleObject) { + if (lazyComponent._status === Pending) { + var defaultExport = moduleObject.default; -/** - * These variables store information about text content of a target node, - * allowing comparison of content before and after a given event. - * - * Identify the node where selection currently begins, then observe - * both its text content and its current position in the DOM. Since the - * browser may natively replace the target node during composition, we can - * use its position to find its replacement. - * - * - */ - -var root = null; -var startText = null; -var fallbackText = null; + { + if (defaultExport === undefined) { + error('lazy: Expected the result of a dynamic import() call. ' + 'Instead received: %s\n\nYour code should look like: \n ' + "const MyComponent = lazy(() => import('./MyComponent'))", moduleObject); + } + } -function initialize(nativeEventTarget) { - root = nativeEventTarget; - startText = getText(); - return true; + lazyComponent._status = Resolved; + lazyComponent._result = defaultExport; + } + }, function (error) { + if (lazyComponent._status === Pending) { + lazyComponent._status = Rejected; + lazyComponent._result = error; + } + }); + } } -function reset() { - root = null; - startText = null; - fallbackText = null; +function getWrappedName(outerType, innerType, wrapperName) { + var functionName = innerType.displayName || innerType.name || ''; + return outerType.displayName || (functionName !== '' ? wrapperName + "(" + functionName + ")" : wrapperName); } -function getData() { - if (fallbackText) { - return fallbackText; +function getComponentName(type) { + if (type == null) { + // Host root, text node or just invalid type. + return null; } - var start = void 0; - var startValue = startText; - var startLength = startValue.length; - var end = void 0; - var endValue = getText(); - var endLength = endValue.length; - - for (start = 0; start < startLength; start++) { - if (startValue[start] !== endValue[start]) { - break; + { + if (typeof type.tag === 'number') { + error('Received an unexpected object in getComponentName(). ' + 'This is likely a bug in React. Please file an issue.'); } } - var minEnd = startLength - start; - for (end = 1; end <= minEnd; end++) { - if (startValue[startLength - end] !== endValue[endLength - end]) { - break; - } + if (typeof type === 'function') { + return type.displayName || type.name || null; } - var sliceTail = end > 1 ? 1 - end : undefined; - fallbackText = endValue.slice(start, sliceTail); - return fallbackText; -} - -function getText() { - if ('value' in root) { - return root.value; + if (typeof type === 'string') { + return type; } - return root.textContent; -} -/* eslint valid-typeof: 0 */ + switch (type) { + case REACT_FRAGMENT_TYPE: + return 'Fragment'; -var EVENT_POOL_SIZE = 10; + case REACT_PORTAL_TYPE: + return 'Portal'; -/** - * @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: function () { - return null; - }, - eventPhase: null, - bubbles: null, - cancelable: null, - timeStamp: function (event) { - return event.timeStamp || Date.now(); - }, - defaultPrevented: null, - isTrusted: null -}; + case REACT_PROFILER_TYPE: + return "Profiler"; -function functionThatReturnsTrue() { - return true; -} + case REACT_STRICT_MODE_TYPE: + return 'StrictMode'; -function functionThatReturnsFalse() { - return false; -} + case REACT_SUSPENSE_TYPE: + return 'Suspense'; -/** - * 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; - delete this.isDefaultPrevented; - delete this.isPropagationStopped; + case REACT_SUSPENSE_LIST_TYPE: + return 'SuspenseList'; } - this.dispatchConfig = dispatchConfig; - this._targetInst = targetInst; - this.nativeEvent = nativeEvent; + if (typeof type === 'object') { + switch (type.$$typeof) { + case REACT_CONTEXT_TYPE: + return 'Context.Consumer'; - 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]; - } + case REACT_PROVIDER_TYPE: + return 'Context.Provider'; + + case REACT_FORWARD_REF_TYPE: + return getWrappedName(type, type.render, 'ForwardRef'); + + case REACT_MEMO_TYPE: + return getComponentName(type.type); + + case REACT_BLOCK_TYPE: + return getComponentName(type.render); + + case REACT_LAZY_TYPE: + { + var thenable = type; + var resolvedThenable = refineResolvedLazyComponent(thenable); + + if (resolvedThenable) { + return getComponentName(resolvedThenable); + } + + break; + } } } - var defaultPrevented = nativeEvent.defaultPrevented != null ? nativeEvent.defaultPrevented : nativeEvent.returnValue === false; - if (defaultPrevented) { - this.isDefaultPrevented = functionThatReturnsTrue; - } else { - this.isDefaultPrevented = functionThatReturnsFalse; - } - this.isPropagationStopped = functionThatReturnsFalse; - return this; + return null; } -_assign(SyntheticEvent.prototype, { - preventDefault: function () { - this.defaultPrevented = true; - var event = this.nativeEvent; - if (!event) { - return; - } +var ReactDebugCurrentFrame$1 = ReactSharedInternals.ReactDebugCurrentFrame; - if (event.preventDefault) { - event.preventDefault(); - } else if (typeof event.returnValue !== 'unknown') { - event.returnValue = false; - } - this.isDefaultPrevented = functionThatReturnsTrue; - }, +function describeFiber(fiber) { + switch (fiber.tag) { + case HostRoot: + case HostPortal: + case HostText: + case Fragment: + case ContextProvider: + case ContextConsumer: + return ''; - stopPropagation: function () { - var event = this.nativeEvent; - if (!event) { - return; - } + default: + var owner = fiber._debugOwner; + var source = fiber._debugSource; + var name = getComponentName(fiber.type); + var ownerName = null; - 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; - } + if (owner) { + ownerName = getComponentName(owner.type); + } - this.isPropagationStopped = functionThatReturnsTrue; - }, + return describeComponentFrame(name, source, ownerName); + } +} - /** - * 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 = functionThatReturnsTrue; - }, +function getStackByFiberInDevAndProd(workInProgress) { + var info = ''; + var node = workInProgress; - /** - * Checks if this event should be released back into the pool. - * - * @return {boolean} True if this should not be released, false otherwise. - */ - isPersistent: functionThatReturnsFalse, + do { + info += describeFiber(node); + node = node.return; + } while (node); - /** - * `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])); - } + return info; +} +var current = null; +var isRendering = false; +function getCurrentFiberOwnerNameInDevOrNull() { + { + if (current === null) { + return null; } - this.dispatchConfig = null; - this._targetInst = null; - this.nativeEvent = null; - this.isDefaultPrevented = functionThatReturnsFalse; - this.isPropagationStopped = functionThatReturnsFalse; - this._dispatchListeners = null; - this._dispatchInstances = null; - { - Object.defineProperty(this, 'nativeEvent', getPooledWarningPropertyDefinition('nativeEvent', null)); - Object.defineProperty(this, 'isDefaultPrevented', getPooledWarningPropertyDefinition('isDefaultPrevented', functionThatReturnsFalse)); - Object.defineProperty(this, 'isPropagationStopped', getPooledWarningPropertyDefinition('isPropagationStopped', functionThatReturnsFalse)); - Object.defineProperty(this, 'preventDefault', getPooledWarningPropertyDefinition('preventDefault', function () {})); - Object.defineProperty(this, 'stopPropagation', getPooledWarningPropertyDefinition('stopPropagation', function () {})); + + var owner = current._debugOwner; + + if (owner !== null && typeof owner !== 'undefined') { + return getComponentName(owner.type); } } -}); -SyntheticEvent.Interface = EventInterface; + return null; +} +function getCurrentFiberStackInDev() { + { + if (current === null) { + return ''; + } // Safe because if current fiber exists, we are reconciling, + // and it is guaranteed to be the work-in-progress version. -/** - * Helper to reduce boilerplate when creating subclasses. - */ -SyntheticEvent.extend = function (Interface) { - var Super = this; - var E = function () {}; - E.prototype = Super.prototype; - var prototype = new E(); - - function Class() { - return Super.apply(this, arguments); + return getStackByFiberInDevAndProd(current); } - _assign(prototype, Class.prototype); - Class.prototype = prototype; - Class.prototype.constructor = Class; +} +function resetCurrentFiber() { + { + ReactDebugCurrentFrame$1.getCurrentStack = null; + current = null; + isRendering = false; + } +} +function setCurrentFiber(fiber) { + { + ReactDebugCurrentFrame$1.getCurrentStack = getCurrentFiberStackInDev; + current = fiber; + isRendering = false; + } +} +function setIsRendering(rendering) { + { + isRendering = rendering; + } +} - Class.Interface = _assign({}, Super.Interface, Interface); - Class.extend = Super.extend; - addEventPoolingTo(Class); +// Flow does not allow string concatenation of most non-string types. To work +// around this limitation, we use an opaque type that can only be obtained by +// passing the value through getToStringValue first. +function toString(value) { + return '' + value; +} +function getToStringValue(value) { + switch (typeof value) { + case 'boolean': + case 'number': + case 'object': + case 'string': + case 'undefined': + return value; - return Class; -}; + default: + // function, symbol are assigned as empty strings + return ''; + } +} -addEventPoolingTo(SyntheticEvent); +var ReactDebugCurrentFrame$2 = null; +var ReactControlledValuePropTypes = { + checkPropTypes: null +}; -/** - * 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 +{ + ReactDebugCurrentFrame$2 = ReactSharedInternals.ReactDebugCurrentFrame; + var hasReadOnlyValue = { + button: true, + checkbox: true, + image: true, + hidden: true, + radio: true, + reset: true, + submit: true }; + var propTypes = { + value: function (props, propName, componentName) { + if (hasReadOnlyValue[props.type] || props.onChange || props.readOnly || props.disabled || props[propName] == null || enableDeprecatedFlareAPI ) { + return null; + } - function set(val) { - var action = isFunction ? 'setting the method' : 'setting the property'; - warn(action, 'This is effectively a no-op'); - return val; - } + return new Error('You provided a `value` prop to a form field without an ' + '`onChange` handler. This will render a read-only field. If ' + 'the field should be mutable use `defaultValue`. Otherwise, ' + 'set either `onChange` or `readOnly`.'); + }, + checked: function (props, propName, componentName) { + if (props.onChange || props.readOnly || props.disabled || props[propName] == null || enableDeprecatedFlareAPI ) { + return null; + } - 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; - } + return new Error('You provided a `checked` prop to a form field without an ' + '`onChange` handler. This will render a read-only field. If ' + 'the field should be mutable use `defaultChecked`. Otherwise, ' + 'set either `onChange` or `readOnly`.'); + } + }; + /** + * Provide a linked `value` attribute for controlled forms. You should not use + * this outside of the ReactDOM controlled form components. + */ - function warn(action, result) { - var warningCondition = false; - !warningCondition ? warningWithoutStack$1(false, "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) : void 0; - } + ReactControlledValuePropTypes.checkPropTypes = function (tagName, props) { + checkPropTypes(propTypes, props, 'prop', tagName, ReactDebugCurrentFrame$2.getStackAddendum); + }; } -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 isCheckable(elem) { + var type = elem.type; + var nodeName = elem.nodeName; + return nodeName && nodeName.toLowerCase() === 'input' && (type === 'checkbox' || type === 'radio'); } -function releasePooledEvent(event) { - var EventConstructor = this; - !(event instanceof EventConstructor) ? invariant(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 getTracker(node) { + return node._valueTracker; } -function addEventPoolingTo(EventConstructor) { - EventConstructor.eventPool = []; - EventConstructor.getPooled = getPooledEvent; - EventConstructor.release = releasePooledEvent; +function detachTracker(node) { + node._valueTracker = null; } -/** - * @interface Event - * @see http://www.w3.org/TR/DOM-Level-3-Events/#events-compositionevents - */ -var SyntheticCompositionEvent = SyntheticEvent.extend({ - data: null -}); - -/** - * @interface Event - * @see http://www.w3.org/TR/2013/WD-DOM-Level-3-Events-20131105 - * /#events-inputevents - */ -var SyntheticInputEvent = SyntheticEvent.extend({ - data: null -}); +function getValueFromNode(node) { + var value = ''; -var END_KEYCODES = [9, 13, 27, 32]; // Tab, Return, Esc, Space -var START_KEYCODE = 229; + if (!node) { + return value; + } -var canUseCompositionEvent = canUseDOM && 'CompositionEvent' in window; + if (isCheckable(node)) { + value = node.checked ? 'true' : 'false'; + } else { + value = node.value; + } -var documentMode = null; -if (canUseDOM && 'documentMode' in document) { - documentMode = document.documentMode; + return value; } -// Webkit offers a very useful `textInput` event that can be used to -// directly represent `beforeInput`. The IE `textinput` event is not as -// useful, so we don't use it. -var canUseTextInputEvent = canUseDOM && 'TextEvent' in window && !documentMode; - -// In IE9+, we have access to composition events, but the data supplied -// by the native compositionend event may be incorrect. Japanese ideographic -// spaces, for instance (\u3000) are not recorded correctly. -var useFallbackCompositionData = canUseDOM && (!canUseCompositionEvent || documentMode && documentMode > 8 && documentMode <= 11); +function trackValueOnNode(node) { + var valueField = isCheckable(node) ? 'checked' : 'value'; + var descriptor = Object.getOwnPropertyDescriptor(node.constructor.prototype, valueField); + var currentValue = '' + node[valueField]; // if someone has already defined a value or Safari, then bail + // and don't track value will cause over reporting of changes, + // but it's better then a hard failure + // (needed for certain tests that spyOn input values and Safari) -var SPACEBAR_CODE = 32; -var SPACEBAR_CHAR = String.fromCharCode(SPACEBAR_CODE); + if (node.hasOwnProperty(valueField) || typeof descriptor === 'undefined' || typeof descriptor.get !== 'function' || typeof descriptor.set !== 'function') { + return; + } -// Events and their corresponding property names. -var eventTypes = { - beforeInput: { - phasedRegistrationNames: { - bubbled: 'onBeforeInput', - captured: 'onBeforeInputCapture' - }, - dependencies: [TOP_COMPOSITION_END, TOP_KEY_PRESS, TOP_TEXT_INPUT, TOP_PASTE] - }, - compositionEnd: { - phasedRegistrationNames: { - bubbled: 'onCompositionEnd', - captured: 'onCompositionEndCapture' + var get = descriptor.get, + set = descriptor.set; + Object.defineProperty(node, valueField, { + configurable: true, + get: function () { + return get.call(this); }, - dependencies: [TOP_BLUR, TOP_COMPOSITION_END, TOP_KEY_DOWN, TOP_KEY_PRESS, TOP_KEY_UP, TOP_MOUSE_DOWN] - }, - compositionStart: { - phasedRegistrationNames: { - bubbled: 'onCompositionStart', - captured: 'onCompositionStartCapture' + set: function (value) { + currentValue = '' + value; + set.call(this, value); + } + }); // We could've passed this the first time + // but it triggers a bug in IE11 and Edge 14/15. + // Calling defineProperty() again should be equivalent. + // https://github.com/facebook/react/issues/11768 + + Object.defineProperty(node, valueField, { + enumerable: descriptor.enumerable + }); + var tracker = { + getValue: function () { + return currentValue; }, - dependencies: [TOP_BLUR, TOP_COMPOSITION_START, TOP_KEY_DOWN, TOP_KEY_PRESS, TOP_KEY_UP, TOP_MOUSE_DOWN] - }, - compositionUpdate: { - phasedRegistrationNames: { - bubbled: 'onCompositionUpdate', - captured: 'onCompositionUpdateCapture' + setValue: function (value) { + currentValue = '' + value; }, - dependencies: [TOP_BLUR, TOP_COMPOSITION_UPDATE, TOP_KEY_DOWN, TOP_KEY_PRESS, TOP_KEY_UP, TOP_MOUSE_DOWN] - } -}; + stopTracking: function () { + detachTracker(node); + delete node[valueField]; + } + }; + return tracker; +} -// Track whether we've ever handled a keypress on the space key. -var hasSpaceKeypress = false; +function track(node) { + if (getTracker(node)) { + return; + } // TODO: Once it's just Fiber we can move this to node._wrapperState -/** - * Return whether a native keypress event is assumed to be a command. - * This is required because Firefox fires `keypress` events for key commands - * (cut, copy, select-all, etc.) even though no character is inserted. - */ -function isKeypressCommand(nativeEvent) { - return (nativeEvent.ctrlKey || nativeEvent.altKey || nativeEvent.metaKey) && - // ctrlKey && altKey is equivalent to AltGr, and is not a command. - !(nativeEvent.ctrlKey && nativeEvent.altKey); + + node._valueTracker = trackValueOnNode(node); } +function updateValueIfChanged(node) { + if (!node) { + return false; + } -/** - * Translate native top level events into event types. - * - * @param {string} topLevelType - * @return {object} - */ -function getCompositionEventType(topLevelType) { - switch (topLevelType) { - case TOP_COMPOSITION_START: - return eventTypes.compositionStart; - case TOP_COMPOSITION_END: - return eventTypes.compositionEnd; - case TOP_COMPOSITION_UPDATE: - return eventTypes.compositionUpdate; + var tracker = getTracker(node); // if there is no tracker at this point it's unlikely + // that trying again will succeed + + if (!tracker) { + return true; } -} -/** - * Does our fallback best-guess model think this event signifies that - * composition has begun? - * - * @param {string} topLevelType - * @param {object} nativeEvent - * @return {boolean} - */ -function isFallbackCompositionStart(topLevelType, nativeEvent) { - return topLevelType === TOP_KEY_DOWN && nativeEvent.keyCode === START_KEYCODE; -} + var lastValue = tracker.getValue(); + var nextValue = getValueFromNode(node); -/** - * Does our fallback mode think that this event is the end of composition? - * - * @param {string} topLevelType - * @param {object} nativeEvent - * @return {boolean} - */ -function isFallbackCompositionEnd(topLevelType, nativeEvent) { - switch (topLevelType) { - case TOP_KEY_UP: - // Command keys insert or clear IME input. - return END_KEYCODES.indexOf(nativeEvent.keyCode) !== -1; - case TOP_KEY_DOWN: - // Expect IME keyCode on each keydown. If we get any other - // code we must have exited earlier. - return nativeEvent.keyCode !== START_KEYCODE; - case TOP_KEY_PRESS: - case TOP_MOUSE_DOWN: - case TOP_BLUR: - // Events are not possible without cancelling IME. - return true; - default: - return false; + if (nextValue !== lastValue) { + tracker.setValue(nextValue); + return true; } -} -/** - * Google Input Tools provides composition data via a CustomEvent, - * with the `data` property populated in the `detail` object. If this - * is available on the event object, use it. If not, this is a plain - * composition event and we have nothing special to extract. - * - * @param {object} nativeEvent - * @return {?string} - */ -function getDataFromCustomEvent(nativeEvent) { - var detail = nativeEvent.detail; - if (typeof detail === 'object' && 'data' in detail) { - return detail.data; - } - return null; + return false; } +var didWarnValueDefaultValue = false; +var didWarnCheckedDefaultChecked = false; +var didWarnControlledToUncontrolled = false; +var didWarnUncontrolledToControlled = false; + +function isControlled(props) { + var usesChecked = props.type === 'checkbox' || props.type === 'radio'; + return usesChecked ? props.checked != null : props.value != null; +} /** - * Check if a composition event was triggered by Korean IME. - * Our fallback mode does not work well with IE's Korean IME, - * so just use native composition events when Korean IME is used. - * Although CompositionEvent.locale property is deprecated, - * it is available in IE, where our fallback mode is enabled. + * Implements an host component that allows setting these optional + * props: `checked`, `value`, `defaultChecked`, and `defaultValue`. * - * @param {object} nativeEvent - * @return {boolean} + * If `checked` or `value` are not supplied (or null/undefined), user actions + * that affect the checked state or value will trigger updates to the element. + * + * If they are supplied (and not null/undefined), the rendered element will not + * trigger updates to the element. Instead, the props must change in order for + * the rendered element to be updated. + * + * The rendered element will be initialized as unchecked (or `defaultChecked`) + * with an empty value (or `defaultValue`). + * + * See http://www.w3.org/TR/2012/WD-html5-20121025/the-input-element.html */ -function isUsingKoreanIME(nativeEvent) { - return nativeEvent.locale === 'ko'; -} -// Track the current IME composition status, if any. -var isComposing = false; -/** - * @return {?object} A SyntheticCompositionEvent. - */ -function extractCompositionEvent(topLevelType, targetInst, nativeEvent, nativeEventTarget) { - var eventType = void 0; - var fallbackData = void 0; +function getHostProps(element, props) { + var node = element; + var checked = props.checked; - if (canUseCompositionEvent) { - eventType = getCompositionEventType(topLevelType); - } else if (!isComposing) { - if (isFallbackCompositionStart(topLevelType, nativeEvent)) { - eventType = eventTypes.compositionStart; - } - } else if (isFallbackCompositionEnd(topLevelType, nativeEvent)) { - eventType = eventTypes.compositionEnd; - } + var hostProps = _assign({}, props, { + defaultChecked: undefined, + defaultValue: undefined, + value: undefined, + checked: checked != null ? checked : node._wrapperState.initialChecked + }); - if (!eventType) { - return null; - } + return hostProps; +} +function initWrapperState(element, props) { + { + ReactControlledValuePropTypes.checkPropTypes('input', props); - if (useFallbackCompositionData && !isUsingKoreanIME(nativeEvent)) { - // The current composition is stored statically and must not be - // overwritten while composition continues. - if (!isComposing && eventType === eventTypes.compositionStart) { - isComposing = initialize(nativeEventTarget); - } else if (eventType === eventTypes.compositionEnd) { - if (isComposing) { - fallbackData = getData(); - } + if (props.checked !== undefined && props.defaultChecked !== undefined && !didWarnCheckedDefaultChecked) { + error('%s contains an input of type %s with both checked and defaultChecked props. ' + 'Input elements must be either controlled or uncontrolled ' + '(specify either the checked prop, or the defaultChecked prop, but not ' + 'both). Decide between using a controlled or uncontrolled input ' + 'element and remove one of these props. More info: ' + 'https://fb.me/react-controlled-components', getCurrentFiberOwnerNameInDevOrNull() || 'A component', props.type); + + didWarnCheckedDefaultChecked = true; } - } - var event = SyntheticCompositionEvent.getPooled(eventType, targetInst, nativeEvent, nativeEventTarget); + if (props.value !== undefined && props.defaultValue !== undefined && !didWarnValueDefaultValue) { + error('%s contains an input of type %s with both value and defaultValue props. ' + 'Input elements must be either controlled or uncontrolled ' + '(specify either the value prop, or the defaultValue prop, but not ' + 'both). Decide between using a controlled or uncontrolled input ' + 'element and remove one of these props. More info: ' + 'https://fb.me/react-controlled-components', getCurrentFiberOwnerNameInDevOrNull() || 'A component', props.type); - if (fallbackData) { - // Inject data generated from fallback path into the synthetic event. - // This matches the property of native CompositionEventInterface. - event.data = fallbackData; - } else { - var customData = getDataFromCustomEvent(nativeEvent); - if (customData !== null) { - event.data = customData; + didWarnValueDefaultValue = true; } } - accumulateTwoPhaseDispatches(event); - return event; + var node = element; + var defaultValue = props.defaultValue == null ? '' : props.defaultValue; + node._wrapperState = { + initialChecked: props.checked != null ? props.checked : props.defaultChecked, + initialValue: getToStringValue(props.value != null ? props.value : defaultValue), + controlled: isControlled(props) + }; } +function updateChecked(element, props) { + var node = element; + var checked = props.checked; -/** - * @param {TopLevelType} topLevelType Number from `TopLevelType`. - * @param {object} nativeEvent Native browser event. - * @return {?string} The string corresponding to this `beforeInput` event. - */ -function getNativeBeforeInputChars(topLevelType, nativeEvent) { - switch (topLevelType) { - case TOP_COMPOSITION_END: - return getDataFromCustomEvent(nativeEvent); - case TOP_KEY_PRESS: - /** - * If native `textInput` events are available, our goal is to make - * use of them. However, there is a special case: the spacebar key. - * In Webkit, preventing default on a spacebar `textInput` event - * cancels character insertion, but it *also* causes the browser - * to fall back to its default spacebar behavior of scrolling the - * page. - * - * Tracking at: - * https://code.google.com/p/chromium/issues/detail?id=355103 - * - * To avoid this issue, use the keypress event as if no `textInput` - * event is available. - */ - var which = nativeEvent.which; - if (which !== SPACEBAR_CODE) { - return null; - } - - hasSpaceKeypress = true; - return SPACEBAR_CHAR; + if (checked != null) { + setValueForProperty(node, 'checked', checked, false); + } +} +function updateWrapper(element, props) { + var node = element; - case TOP_TEXT_INPUT: - // Record the characters to be added to the DOM. - var chars = nativeEvent.data; + { + var controlled = isControlled(props); - // If it's a spacebar character, assume that we have already handled - // it at the keypress level and bail immediately. Android Chrome - // doesn't give us keycodes, so we need to ignore it. - if (chars === SPACEBAR_CHAR && hasSpaceKeypress) { - return null; - } + if (!node._wrapperState.controlled && controlled && !didWarnUncontrolledToControlled) { + error('A component is changing an uncontrolled input of type %s to be controlled. ' + 'Input elements should not switch from uncontrolled to controlled (or vice versa). ' + 'Decide between using a controlled or uncontrolled input ' + 'element for the lifetime of the component. More info: https://fb.me/react-controlled-components', props.type); - return chars; + didWarnUncontrolledToControlled = true; + } - default: - // For other native event types, do nothing. - return null; - } -} + if (node._wrapperState.controlled && !controlled && !didWarnControlledToUncontrolled) { + error('A component is changing a controlled input of type %s to be uncontrolled. ' + 'Input elements should not switch from controlled to uncontrolled (or vice versa). ' + 'Decide between using a controlled or uncontrolled input ' + 'element for the lifetime of the component. More info: https://fb.me/react-controlled-components', props.type); -/** - * For browsers that do not provide the `textInput` event, extract the - * appropriate string to use for SyntheticInputEvent. - * - * @param {number} topLevelType Number from `TopLevelEventTypes`. - * @param {object} nativeEvent Native browser event. - * @return {?string} The fallback string for this `beforeInput` event. - */ -function getFallbackBeforeInputChars(topLevelType, nativeEvent) { - // If we are currently composing (IME) and using a fallback to do so, - // try to extract the composed characters from the fallback object. - // If composition event is available, we extract a string only at - // compositionevent, otherwise extract it at fallback events. - if (isComposing) { - if (topLevelType === TOP_COMPOSITION_END || !canUseCompositionEvent && isFallbackCompositionEnd(topLevelType, nativeEvent)) { - var chars = getData(); - reset(); - isComposing = false; - return chars; + didWarnControlledToUncontrolled = true; } - return null; } - switch (topLevelType) { - case TOP_PASTE: - // If a paste event occurs after a keypress, throw out the input - // chars. Paste events should not lead to BeforeInput events. - return null; - case TOP_KEY_PRESS: - /** - * As of v27, Firefox may fire keypress events even when no character - * will be inserted. A few possibilities: - * - * - `which` is `0`. Arrow keys, Esc key, etc. - * - * - `which` is the pressed key code, but no char is available. - * Ex: 'AltGr + d` in Polish. There is no modified character for - * this key combination and no character is inserted into the - * document, but FF fires the keypress for char code `100` anyway. - * No `input` event will occur. - * - * - `which` is the pressed key code, but a command combination is - * being used. Ex: `Cmd+C`. No character is inserted, and no - * `input` event will occur. - */ - if (!isKeypressCommand(nativeEvent)) { - // IE fires the `keypress` event when a user types an emoji via - // Touch keyboard of Windows. In such a case, the `char` property - // holds an emoji character like `\uD83D\uDE0A`. Because its length - // is 2, the property `which` does not represent an emoji correctly. - // In such a case, we directly return the `char` property instead of - // using `which`. - if (nativeEvent.char && nativeEvent.char.length > 1) { - return nativeEvent.char; - } else if (nativeEvent.which) { - return String.fromCharCode(nativeEvent.which); - } + updateChecked(element, props); + var value = getToStringValue(props.value); + var type = props.type; + + if (value != null) { + if (type === 'number') { + if (value === 0 && node.value === '' || // We explicitly want to coerce to number here if possible. + // eslint-disable-next-line + node.value != value) { + node.value = toString(value); } - return null; - case TOP_COMPOSITION_END: - return useFallbackCompositionData && !isUsingKoreanIME(nativeEvent) ? null : nativeEvent.data; - default: - return null; + } else if (node.value !== toString(value)) { + node.value = toString(value); + } + } else if (type === 'submit' || type === 'reset') { + // Submit/reset inputs need the attribute removed completely to avoid + // blank-text buttons. + node.removeAttribute('value'); + return; } -} -/** - * Extract a SyntheticInputEvent for `beforeInput`, based on either native - * `textInput` or fallback behavior. - * - * @return {?object} A SyntheticInputEvent. - */ -function extractBeforeInputEvent(topLevelType, targetInst, nativeEvent, nativeEventTarget) { - var chars = void 0; - - if (canUseTextInputEvent) { - chars = getNativeBeforeInputChars(topLevelType, nativeEvent); - } else { - chars = getFallbackBeforeInputChars(topLevelType, nativeEvent); + { + // When syncing the value attribute, the value comes from a cascade of + // properties: + // 1. The value React property + // 2. The defaultValue React property + // 3. Otherwise there should be no change + if (props.hasOwnProperty('value')) { + setDefaultValue(node, props.type, value); + } else if (props.hasOwnProperty('defaultValue')) { + setDefaultValue(node, props.type, getToStringValue(props.defaultValue)); + } } - // If no characters are being inserted, no BeforeInput event should - // be fired. - if (!chars) { - return null; + { + // When syncing the checked attribute, it only changes when it needs + // to be removed, such as transitioning from a checkbox into a text input + if (props.checked == null && props.defaultChecked != null) { + node.defaultChecked = !!props.defaultChecked; + } } - - var event = SyntheticInputEvent.getPooled(eventTypes.beforeInput, targetInst, nativeEvent, nativeEventTarget); - - event.data = chars; - accumulateTwoPhaseDispatches(event); - return event; } +function postMountWrapper(element, props, isHydrating) { + var node = element; // Do not assign value if it is already set. This prevents user text input + // from being lost during SSR hydration. -/** - * Create an `onBeforeInput` event to match - * http://www.w3.org/TR/2013/WD-DOM-Level-3-Events-20131105/#events-inputevents. - * - * This event plugin is based on the native `textInput` event - * available in Chrome, Safari, Opera, and IE. This event fires after - * `onKeyPress` and `onCompositionEnd`, but before `onInput`. - * - * `beforeInput` is spec'd but not implemented in any browsers, and - * the `input` event does not provide any useful information about what has - * actually been added, contrary to the spec. Thus, `textInput` is the best - * available event to identify the characters that have actually been inserted - * into the target node. - * - * This plugin is also responsible for emitting `composition` events, thus - * allowing us to share composition fallback code for both `beforeInput` and - * `composition` event types. - */ -var BeforeInputEventPlugin = { - eventTypes: eventTypes, + if (props.hasOwnProperty('value') || props.hasOwnProperty('defaultValue')) { + var type = props.type; + var isButton = type === 'submit' || type === 'reset'; // Avoid setting value attribute on submit/reset inputs as it overrides the + // default value provided by the browser. See: #12872 - extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) { - var composition = extractCompositionEvent(topLevelType, targetInst, nativeEvent, nativeEventTarget); + if (isButton && (props.value === undefined || props.value === null)) { + return; + } - var beforeInput = extractBeforeInputEvent(topLevelType, targetInst, nativeEvent, nativeEventTarget); + var initialValue = toString(node._wrapperState.initialValue); // Do not assign value if it is already set. This prevents user text input + // from being lost during SSR hydration. - if (composition === null) { - return beforeInput; + if (!isHydrating) { + { + // When syncing the value attribute, the value property should use + // the wrapperState._initialValue property. This uses: + // + // 1. The value React property when present + // 2. The defaultValue React property when present + // 3. An empty string + if (initialValue !== node.value) { + node.value = initialValue; + } + } } - if (beforeInput === null) { - return composition; + { + // Otherwise, the value attribute is synchronized to the property, + // so we assign defaultValue to the same thing as the value property + // assignment step above. + node.defaultValue = initialValue; } + } // Normally, we'd just do `node.checked = node.checked` upon initial mount, less this bug + // this is needed to work around a chrome bug where setting defaultChecked + // will sometimes influence the value of checked (even after detachment). + // Reference: https://bugs.chromium.org/p/chromium/issues/detail?id=608416 + // We need to temporarily unset name to avoid disrupting radio button groups. - return [composition, beforeInput]; - } -}; - -// Use to restore controlled state after a change event has fired. -var restoreImpl = null; -var restoreTarget = null; -var restoreQueue = null; + var name = node.name; -function restoreStateOfTarget(target) { - // We perform this translation at the end of the event loop so that we - // always receive the correct fiber here - var internalInstance = getInstanceFromNode(target); - if (!internalInstance) { - // Unmounted - return; + if (name !== '') { + node.name = ''; } - !(typeof restoreImpl === 'function') ? invariant(false, 'setRestoreImplementation() needs to be called to handle a target for controlled events. This error is likely caused by a bug in React. Please file an issue.') : void 0; - var props = getFiberCurrentPropsFromNode(internalInstance.stateNode); - restoreImpl(internalInstance.stateNode, internalInstance.type, props); -} -function setRestoreImplementation(impl) { - restoreImpl = impl; -} + { + // When syncing the checked attribute, both the checked property and + // attribute are assigned at the same time using defaultChecked. This uses: + // + // 1. The checked React property when present + // 2. The defaultChecked React property when present + // 3. Otherwise, false + node.defaultChecked = !node.defaultChecked; + node.defaultChecked = !!node._wrapperState.initialChecked; + } -function enqueueStateRestore(target) { - if (restoreTarget) { - if (restoreQueue) { - restoreQueue.push(target); - } else { - restoreQueue = [target]; - } - } else { - restoreTarget = target; + if (name !== '') { + node.name = name; } } - -function needsStateRestore() { - return restoreTarget !== null || restoreQueue !== null; +function restoreControlledState(element, props) { + var node = element; + updateWrapper(node, props); + updateNamedCousins(node, props); } -function restoreStateIfNeeded() { - if (!restoreTarget) { - return; - } - var target = restoreTarget; - var queuedTargets = restoreQueue; - restoreTarget = null; - restoreQueue = null; +function updateNamedCousins(rootNode, props) { + var name = props.name; - restoreStateOfTarget(target); - if (queuedTargets) { - for (var i = 0; i < queuedTargets.length; i++) { - restoreStateOfTarget(queuedTargets[i]); - } - } -} + if (props.type === 'radio' && name != null) { + var queryRoot = rootNode; -// Used as a way to call batchedUpdates when we don't have a reference to -// the renderer. Such as when we're dispatching events or if third party -// libraries need to call batchedUpdates. Eventually, this API will go away when -// everything is batched by default. We'll then have a similar API to opt-out of -// scheduled work and instead do synchronous work. + while (queryRoot.parentNode) { + queryRoot = queryRoot.parentNode; + } // If `rootNode.form` was non-null, then we could try `form.elements`, + // but that sometimes behaves strangely in IE8. We could also try using + // `form.getElementsByName`, but that will only return direct children + // and won't include inputs that use the HTML5 `form=` attribute. Since + // the input might not even be in a form. It might not even be in the + // document. Let's just use the local `querySelectorAll` to ensure we don't + // miss anything. -// Defaults -var _batchedUpdatesImpl = function (fn, bookkeeping) { - return fn(bookkeeping); -}; -var _interactiveUpdatesImpl = function (fn, a, b) { - return fn(a, b); -}; -var _flushInteractiveUpdatesImpl = function () {}; -var isBatching = false; -function batchedUpdates(fn, bookkeeping) { - if (isBatching) { - // If we are currently inside another batch, we need to wait until it - // fully completes before restoring state. - return fn(bookkeeping); - } - isBatching = true; - try { - return _batchedUpdatesImpl(fn, bookkeeping); - } finally { - // Here we wait until all updates have propagated, which is important - // when using controlled components within layers: - // https://github.com/facebook/react/issues/1698 - // Then we restore state of any controlled component. - isBatching = false; - var controlledComponentsHavePendingUpdates = needsStateRestore(); - if (controlledComponentsHavePendingUpdates) { - // If a controlled event was fired, we may need to restore the state of - // the DOM node back to the controlled value. This is necessary when React - // bails out of the update without touching the DOM. - _flushInteractiveUpdatesImpl(); - restoreStateIfNeeded(); - } - } -} + var group = queryRoot.querySelectorAll('input[name=' + JSON.stringify('' + name) + '][type="radio"]'); -function interactiveUpdates(fn, a, b) { - return _interactiveUpdatesImpl(fn, a, b); -} + for (var i = 0; i < group.length; i++) { + var otherNode = group[i]; + if (otherNode === rootNode || otherNode.form !== rootNode.form) { + continue; + } // This will throw if radio buttons rendered by different copies of React + // and the same name are rendered into the same form (same as #1939). + // That's probably okay; we don't support it just as we don't support + // mixing React radio buttons with non-React ones. -function setBatchingImplementation(batchedUpdatesImpl, interactiveUpdatesImpl, flushInteractiveUpdatesImpl) { - _batchedUpdatesImpl = batchedUpdatesImpl; - _interactiveUpdatesImpl = interactiveUpdatesImpl; - _flushInteractiveUpdatesImpl = flushInteractiveUpdatesImpl; -} + var otherProps = getFiberCurrentPropsFromNode$1(otherNode); -/** - * @see http://www.whatwg.org/specs/web-apps/current-work/multipage/the-input-element.html#input-type-attr-summary - */ -var supportedInputTypes = { - color: true, - date: true, - datetime: true, - 'datetime-local': true, - email: true, - month: true, - number: true, - password: true, - range: true, - search: true, - tel: true, - text: true, - time: true, - url: true, - week: true -}; + if (!otherProps) { + { + throw Error( "ReactDOMInput: Mixing React and non-React radio inputs with the same `name` is not supported." ); + } + } // We need update the tracked value on the named cousin since the value + // was changed but the input saw no event or value set -function isTextInputElement(elem) { - var nodeName = elem && elem.nodeName && elem.nodeName.toLowerCase(); - if (nodeName === 'input') { - return !!supportedInputTypes[elem.type]; - } + updateValueIfChanged(otherNode); // If this is a controlled radio button group, forcing the input that + // was previously checked to update will cause it to be come re-checked + // as appropriate. - if (nodeName === 'textarea') { - return true; + updateWrapper(otherNode, otherProps); + } } +} // In Chrome, assigning defaultValue to certain input types triggers input validation. +// For number inputs, the display value loses trailing decimal points. For email inputs, +// Chrome raises "The specified value is not a valid email address". +// +// Here we check to see if the defaultValue has actually changed, avoiding these problems +// when the user is inputting text +// +// https://github.com/facebook/react/issues/7253 - return false; + +function setDefaultValue(node, type, value) { + if ( // Focused number inputs synchronize on blur. See ChangeEventPlugin.js + type !== 'number' || node.ownerDocument.activeElement !== node) { + if (value == null) { + node.defaultValue = toString(node._wrapperState.initialValue); + } else if (node.defaultValue !== toString(value)) { + node.defaultValue = toString(value); + } + } } -/** - * HTML nodeType values that represent the type of the node - */ +var didWarnSelectedSetOnOption = false; +var didWarnInvalidChild = false; -var ELEMENT_NODE = 1; -var TEXT_NODE = 3; -var COMMENT_NODE = 8; -var DOCUMENT_NODE = 9; -var DOCUMENT_FRAGMENT_NODE = 11; +function flattenChildren(children) { + var content = ''; // Flatten children. We'll warn if they are invalid + // during validateProps() which runs for hydration too. + // Note that this would throw on non-element objects. + // Elements are stringified (which is normally irrelevant + // but matters for ). + + React.Children.forEach(children, function (child) { + if (child == null) { + return; + } + content += child; // Note: we don't warn about invalid children here. + // Instead, this is done separately below so that + // it happens during the hydration codepath too. + }); + return content; +} /** - * Gets the target node from a native browser event by accounting for - * inconsistencies in browser DOM APIs. - * - * @param {object} nativeEvent Native browser event. - * @return {DOMEventTarget} Target node. + * Implements an