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author | Florian Dold <florian.dold@gmail.com> | 2017-10-14 18:40:54 +0200 |
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committer | Florian Dold <florian.dold@gmail.com> | 2017-10-14 18:40:54 +0200 |
commit | 9df98e65f842cf3acae09cbdd969966f42d64469 (patch) | |
tree | f071d3e09a342c208fb8e1cd3f5241d64fbfbaf3 /node_modules/react-dom/lib/ReactDebugTool.js | |
parent | 008926b18470e7f394cd640302957b29728a9803 (diff) |
update dependencies
Diffstat (limited to 'node_modules/react-dom/lib/ReactDebugTool.js')
-rw-r--r-- | node_modules/react-dom/lib/ReactDebugTool.js | 360 |
1 files changed, 0 insertions, 360 deletions
diff --git a/node_modules/react-dom/lib/ReactDebugTool.js b/node_modules/react-dom/lib/ReactDebugTool.js deleted file mode 100644 index 4df393017..000000000 --- a/node_modules/react-dom/lib/ReactDebugTool.js +++ /dev/null @@ -1,360 +0,0 @@ -/** - * Copyright 2016-present, Facebook, Inc. - * All rights reserved. - * - * This source code is licensed under the BSD-style license found in the - * LICENSE file in the root directory of this source tree. An additional grant - * of patent rights can be found in the PATENTS file in the same directory. - * - * - */ - -'use strict'; - -var ReactInvalidSetStateWarningHook = require('./ReactInvalidSetStateWarningHook'); -var ReactHostOperationHistoryHook = require('./ReactHostOperationHistoryHook'); -var ReactComponentTreeHook = require('react/lib/ReactComponentTreeHook'); -var ExecutionEnvironment = require('fbjs/lib/ExecutionEnvironment'); - -var performanceNow = require('fbjs/lib/performanceNow'); -var warning = require('fbjs/lib/warning'); - -var hooks = []; -var didHookThrowForEvent = {}; - -function callHook(event, fn, context, arg1, arg2, arg3, arg4, arg5) { - try { - fn.call(context, arg1, arg2, arg3, arg4, arg5); - } catch (e) { - process.env.NODE_ENV !== 'production' ? warning(didHookThrowForEvent[event], 'Exception thrown by hook while handling %s: %s', event, e + '\n' + e.stack) : void 0; - didHookThrowForEvent[event] = true; - } -} - -function emitEvent(event, arg1, arg2, arg3, arg4, arg5) { - for (var i = 0; i < hooks.length; i++) { - var hook = hooks[i]; - var fn = hook[event]; - if (fn) { - callHook(event, fn, hook, arg1, arg2, arg3, arg4, arg5); - } - } -} - -var isProfiling = false; -var flushHistory = []; -var lifeCycleTimerStack = []; -var currentFlushNesting = 0; -var currentFlushMeasurements = []; -var currentFlushStartTime = 0; -var currentTimerDebugID = null; -var currentTimerStartTime = 0; -var currentTimerNestedFlushDuration = 0; -var currentTimerType = null; - -var lifeCycleTimerHasWarned = false; - -function clearHistory() { - ReactComponentTreeHook.purgeUnmountedComponents(); - ReactHostOperationHistoryHook.clearHistory(); -} - -function getTreeSnapshot(registeredIDs) { - return registeredIDs.reduce(function (tree, id) { - var ownerID = ReactComponentTreeHook.getOwnerID(id); - var parentID = ReactComponentTreeHook.getParentID(id); - tree[id] = { - displayName: ReactComponentTreeHook.getDisplayName(id), - text: ReactComponentTreeHook.getText(id), - updateCount: ReactComponentTreeHook.getUpdateCount(id), - childIDs: ReactComponentTreeHook.getChildIDs(id), - // Text nodes don't have owners but this is close enough. - ownerID: ownerID || parentID && ReactComponentTreeHook.getOwnerID(parentID) || 0, - parentID: parentID - }; - return tree; - }, {}); -} - -function resetMeasurements() { - var previousStartTime = currentFlushStartTime; - var previousMeasurements = currentFlushMeasurements; - var previousOperations = ReactHostOperationHistoryHook.getHistory(); - - if (currentFlushNesting === 0) { - currentFlushStartTime = 0; - currentFlushMeasurements = []; - clearHistory(); - return; - } - - if (previousMeasurements.length || previousOperations.length) { - var registeredIDs = ReactComponentTreeHook.getRegisteredIDs(); - flushHistory.push({ - duration: performanceNow() - previousStartTime, - measurements: previousMeasurements || [], - operations: previousOperations || [], - treeSnapshot: getTreeSnapshot(registeredIDs) - }); - } - - clearHistory(); - currentFlushStartTime = performanceNow(); - currentFlushMeasurements = []; -} - -function checkDebugID(debugID) { - var allowRoot = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false; - - if (allowRoot && debugID === 0) { - return; - } - if (!debugID) { - process.env.NODE_ENV !== 'production' ? warning(false, 'ReactDebugTool: debugID may not be empty.') : void 0; - } -} - -function beginLifeCycleTimer(debugID, timerType) { - if (currentFlushNesting === 0) { - return; - } - if (currentTimerType && !lifeCycleTimerHasWarned) { - process.env.NODE_ENV !== 'production' ? warning(false, 'There is an internal error in the React performance measurement code. ' + 'Did not expect %s timer to start while %s timer is still in ' + 'progress for %s instance.', timerType, currentTimerType || 'no', debugID === currentTimerDebugID ? 'the same' : 'another') : void 0; - lifeCycleTimerHasWarned = true; - } - currentTimerStartTime = performanceNow(); - currentTimerNestedFlushDuration = 0; - currentTimerDebugID = debugID; - currentTimerType = timerType; -} - -function endLifeCycleTimer(debugID, timerType) { - if (currentFlushNesting === 0) { - return; - } - if (currentTimerType !== timerType && !lifeCycleTimerHasWarned) { - process.env.NODE_ENV !== 'production' ? warning(false, 'There is an internal error in the React performance measurement code. ' + 'We did not expect %s timer to stop while %s timer is still in ' + 'progress for %s instance. Please report this as a bug in React.', timerType, currentTimerType || 'no', debugID === currentTimerDebugID ? 'the same' : 'another') : void 0; - lifeCycleTimerHasWarned = true; - } - if (isProfiling) { - currentFlushMeasurements.push({ - timerType: timerType, - instanceID: debugID, - duration: performanceNow() - currentTimerStartTime - currentTimerNestedFlushDuration - }); - } - currentTimerStartTime = 0; - currentTimerNestedFlushDuration = 0; - currentTimerDebugID = null; - currentTimerType = null; -} - -function pauseCurrentLifeCycleTimer() { - var currentTimer = { - startTime: currentTimerStartTime, - nestedFlushStartTime: performanceNow(), - debugID: currentTimerDebugID, - timerType: currentTimerType - }; - lifeCycleTimerStack.push(currentTimer); - currentTimerStartTime = 0; - currentTimerNestedFlushDuration = 0; - currentTimerDebugID = null; - currentTimerType = null; -} - -function resumeCurrentLifeCycleTimer() { - var _lifeCycleTimerStack$ = lifeCycleTimerStack.pop(), - startTime = _lifeCycleTimerStack$.startTime, - nestedFlushStartTime = _lifeCycleTimerStack$.nestedFlushStartTime, - debugID = _lifeCycleTimerStack$.debugID, - timerType = _lifeCycleTimerStack$.timerType; - - var nestedFlushDuration = performanceNow() - nestedFlushStartTime; - currentTimerStartTime = startTime; - currentTimerNestedFlushDuration += nestedFlushDuration; - currentTimerDebugID = debugID; - currentTimerType = timerType; -} - -var lastMarkTimeStamp = 0; -var canUsePerformanceMeasure = typeof performance !== 'undefined' && typeof performance.mark === 'function' && typeof performance.clearMarks === 'function' && typeof performance.measure === 'function' && typeof performance.clearMeasures === 'function'; - -function shouldMark(debugID) { - if (!isProfiling || !canUsePerformanceMeasure) { - return false; - } - var element = ReactComponentTreeHook.getElement(debugID); - if (element == null || typeof element !== 'object') { - return false; - } - var isHostElement = typeof element.type === 'string'; - if (isHostElement) { - return false; - } - return true; -} - -function markBegin(debugID, markType) { - if (!shouldMark(debugID)) { - return; - } - - var markName = debugID + '::' + markType; - lastMarkTimeStamp = performanceNow(); - performance.mark(markName); -} - -function markEnd(debugID, markType) { - if (!shouldMark(debugID)) { - return; - } - - var markName = debugID + '::' + markType; - var displayName = ReactComponentTreeHook.getDisplayName(debugID) || 'Unknown'; - - // Chrome has an issue of dropping markers recorded too fast: - // https://bugs.chromium.org/p/chromium/issues/detail?id=640652 - // To work around this, we will not report very small measurements. - // I determined the magic number by tweaking it back and forth. - // 0.05ms was enough to prevent the issue, but I set it to 0.1ms to be safe. - // When the bug is fixed, we can `measure()` unconditionally if we want to. - var timeStamp = performanceNow(); - if (timeStamp - lastMarkTimeStamp > 0.1) { - var measurementName = displayName + ' [' + markType + ']'; - performance.measure(measurementName, markName); - } - - performance.clearMarks(markName); - if (measurementName) { - performance.clearMeasures(measurementName); - } -} - -var ReactDebugTool = { - addHook: function (hook) { - hooks.push(hook); - }, - removeHook: function (hook) { - for (var i = 0; i < hooks.length; i++) { - if (hooks[i] === hook) { - hooks.splice(i, 1); - i--; - } - } - }, - isProfiling: function () { - return isProfiling; - }, - beginProfiling: function () { - if (isProfiling) { - return; - } - - isProfiling = true; - flushHistory.length = 0; - resetMeasurements(); - ReactDebugTool.addHook(ReactHostOperationHistoryHook); - }, - endProfiling: function () { - if (!isProfiling) { - return; - } - - isProfiling = false; - resetMeasurements(); - ReactDebugTool.removeHook(ReactHostOperationHistoryHook); - }, - getFlushHistory: function () { - return flushHistory; - }, - onBeginFlush: function () { - currentFlushNesting++; - resetMeasurements(); - pauseCurrentLifeCycleTimer(); - emitEvent('onBeginFlush'); - }, - onEndFlush: function () { - resetMeasurements(); - currentFlushNesting--; - resumeCurrentLifeCycleTimer(); - emitEvent('onEndFlush'); - }, - onBeginLifeCycleTimer: function (debugID, timerType) { - checkDebugID(debugID); - emitEvent('onBeginLifeCycleTimer', debugID, timerType); - markBegin(debugID, timerType); - beginLifeCycleTimer(debugID, timerType); - }, - onEndLifeCycleTimer: function (debugID, timerType) { - checkDebugID(debugID); - endLifeCycleTimer(debugID, timerType); - markEnd(debugID, timerType); - emitEvent('onEndLifeCycleTimer', debugID, timerType); - }, - onBeginProcessingChildContext: function () { - emitEvent('onBeginProcessingChildContext'); - }, - onEndProcessingChildContext: function () { - emitEvent('onEndProcessingChildContext'); - }, - onHostOperation: function (operation) { - checkDebugID(operation.instanceID); - emitEvent('onHostOperation', operation); - }, - onSetState: function () { - emitEvent('onSetState'); - }, - onSetChildren: function (debugID, childDebugIDs) { - checkDebugID(debugID); - childDebugIDs.forEach(checkDebugID); - emitEvent('onSetChildren', debugID, childDebugIDs); - }, - onBeforeMountComponent: function (debugID, element, parentDebugID) { - checkDebugID(debugID); - checkDebugID(parentDebugID, true); - emitEvent('onBeforeMountComponent', debugID, element, parentDebugID); - markBegin(debugID, 'mount'); - }, - onMountComponent: function (debugID) { - checkDebugID(debugID); - markEnd(debugID, 'mount'); - emitEvent('onMountComponent', debugID); - }, - onBeforeUpdateComponent: function (debugID, element) { - checkDebugID(debugID); - emitEvent('onBeforeUpdateComponent', debugID, element); - markBegin(debugID, 'update'); - }, - onUpdateComponent: function (debugID) { - checkDebugID(debugID); - markEnd(debugID, 'update'); - emitEvent('onUpdateComponent', debugID); - }, - onBeforeUnmountComponent: function (debugID) { - checkDebugID(debugID); - emitEvent('onBeforeUnmountComponent', debugID); - markBegin(debugID, 'unmount'); - }, - onUnmountComponent: function (debugID) { - checkDebugID(debugID); - markEnd(debugID, 'unmount'); - emitEvent('onUnmountComponent', debugID); - }, - onTestEvent: function () { - emitEvent('onTestEvent'); - } -}; - -// TODO remove these when RN/www gets updated -ReactDebugTool.addDevtool = ReactDebugTool.addHook; -ReactDebugTool.removeDevtool = ReactDebugTool.removeHook; - -ReactDebugTool.addHook(ReactInvalidSetStateWarningHook); -ReactDebugTool.addHook(ReactComponentTreeHook); -var url = ExecutionEnvironment.canUseDOM && window.location.href || ''; -if (/[?&]react_perf\b/.test(url)) { - ReactDebugTool.beginProfiling(); -} - -module.exports = ReactDebugTool;
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