500 lines
14 KiB
JavaScript
500 lines
14 KiB
JavaScript
/**
|
|
* 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 _assign = require('object-assign');
|
|
|
|
var _extends = _assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
|
|
|
|
var ReactDebugTool = require('./ReactDebugTool');
|
|
var warning = require('fbjs/lib/warning');
|
|
var alreadyWarned = false;
|
|
|
|
function roundFloat(val) {
|
|
var base = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 2;
|
|
|
|
var n = Math.pow(10, base);
|
|
return Math.floor(val * n) / n;
|
|
}
|
|
|
|
// Flow type definition of console.table is too strict right now, see
|
|
// https://github.com/facebook/flow/pull/2353 for updates
|
|
function consoleTable(table) {
|
|
console.table(table);
|
|
}
|
|
|
|
function warnInProduction() {
|
|
if (alreadyWarned) {
|
|
return;
|
|
}
|
|
alreadyWarned = true;
|
|
if (typeof console !== 'undefined') {
|
|
console.error('ReactPerf is not supported in the production builds of React. ' + 'To collect measurements, please use the development build of React instead.');
|
|
}
|
|
}
|
|
|
|
function getLastMeasurements() {
|
|
if (!(process.env.NODE_ENV !== 'production')) {
|
|
warnInProduction();
|
|
return [];
|
|
}
|
|
|
|
return ReactDebugTool.getFlushHistory();
|
|
}
|
|
|
|
function getExclusive() {
|
|
var flushHistory = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : getLastMeasurements();
|
|
|
|
if (!(process.env.NODE_ENV !== 'production')) {
|
|
warnInProduction();
|
|
return [];
|
|
}
|
|
|
|
var aggregatedStats = {};
|
|
var affectedIDs = {};
|
|
|
|
function updateAggregatedStats(treeSnapshot, instanceID, timerType, applyUpdate) {
|
|
var displayName = treeSnapshot[instanceID].displayName;
|
|
|
|
var key = displayName;
|
|
var stats = aggregatedStats[key];
|
|
if (!stats) {
|
|
affectedIDs[key] = {};
|
|
stats = aggregatedStats[key] = {
|
|
key: key,
|
|
instanceCount: 0,
|
|
counts: {},
|
|
durations: {},
|
|
totalDuration: 0
|
|
};
|
|
}
|
|
if (!stats.durations[timerType]) {
|
|
stats.durations[timerType] = 0;
|
|
}
|
|
if (!stats.counts[timerType]) {
|
|
stats.counts[timerType] = 0;
|
|
}
|
|
affectedIDs[key][instanceID] = true;
|
|
applyUpdate(stats);
|
|
}
|
|
|
|
flushHistory.forEach(function (flush) {
|
|
var measurements = flush.measurements,
|
|
treeSnapshot = flush.treeSnapshot;
|
|
|
|
measurements.forEach(function (measurement) {
|
|
var duration = measurement.duration,
|
|
instanceID = measurement.instanceID,
|
|
timerType = measurement.timerType;
|
|
|
|
updateAggregatedStats(treeSnapshot, instanceID, timerType, function (stats) {
|
|
stats.totalDuration += duration;
|
|
stats.durations[timerType] += duration;
|
|
stats.counts[timerType]++;
|
|
});
|
|
});
|
|
});
|
|
|
|
return Object.keys(aggregatedStats).map(function (key) {
|
|
return _extends({}, aggregatedStats[key], {
|
|
instanceCount: Object.keys(affectedIDs[key]).length
|
|
});
|
|
}).sort(function (a, b) {
|
|
return b.totalDuration - a.totalDuration;
|
|
});
|
|
}
|
|
|
|
function getInclusive() {
|
|
var flushHistory = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : getLastMeasurements();
|
|
|
|
if (!(process.env.NODE_ENV !== 'production')) {
|
|
warnInProduction();
|
|
return [];
|
|
}
|
|
|
|
var aggregatedStats = {};
|
|
var affectedIDs = {};
|
|
|
|
function updateAggregatedStats(treeSnapshot, instanceID, applyUpdate) {
|
|
var _treeSnapshot$instanc = treeSnapshot[instanceID],
|
|
displayName = _treeSnapshot$instanc.displayName,
|
|
ownerID = _treeSnapshot$instanc.ownerID;
|
|
|
|
var owner = treeSnapshot[ownerID];
|
|
var key = (owner ? owner.displayName + ' > ' : '') + displayName;
|
|
var stats = aggregatedStats[key];
|
|
if (!stats) {
|
|
affectedIDs[key] = {};
|
|
stats = aggregatedStats[key] = {
|
|
key: key,
|
|
instanceCount: 0,
|
|
inclusiveRenderDuration: 0,
|
|
renderCount: 0
|
|
};
|
|
}
|
|
affectedIDs[key][instanceID] = true;
|
|
applyUpdate(stats);
|
|
}
|
|
|
|
var isCompositeByID = {};
|
|
flushHistory.forEach(function (flush) {
|
|
var measurements = flush.measurements;
|
|
|
|
measurements.forEach(function (measurement) {
|
|
var instanceID = measurement.instanceID,
|
|
timerType = measurement.timerType;
|
|
|
|
if (timerType !== 'render') {
|
|
return;
|
|
}
|
|
isCompositeByID[instanceID] = true;
|
|
});
|
|
});
|
|
|
|
flushHistory.forEach(function (flush) {
|
|
var measurements = flush.measurements,
|
|
treeSnapshot = flush.treeSnapshot;
|
|
|
|
measurements.forEach(function (measurement) {
|
|
var duration = measurement.duration,
|
|
instanceID = measurement.instanceID,
|
|
timerType = measurement.timerType;
|
|
|
|
if (timerType !== 'render') {
|
|
return;
|
|
}
|
|
updateAggregatedStats(treeSnapshot, instanceID, function (stats) {
|
|
stats.renderCount++;
|
|
});
|
|
var nextParentID = instanceID;
|
|
while (nextParentID) {
|
|
// As we traverse parents, only count inclusive time towards composites.
|
|
// We know something is a composite if its render() was called.
|
|
if (isCompositeByID[nextParentID]) {
|
|
updateAggregatedStats(treeSnapshot, nextParentID, function (stats) {
|
|
stats.inclusiveRenderDuration += duration;
|
|
});
|
|
}
|
|
nextParentID = treeSnapshot[nextParentID].parentID;
|
|
}
|
|
});
|
|
});
|
|
|
|
return Object.keys(aggregatedStats).map(function (key) {
|
|
return _extends({}, aggregatedStats[key], {
|
|
instanceCount: Object.keys(affectedIDs[key]).length
|
|
});
|
|
}).sort(function (a, b) {
|
|
return b.inclusiveRenderDuration - a.inclusiveRenderDuration;
|
|
});
|
|
}
|
|
|
|
function getWasted() {
|
|
var flushHistory = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : getLastMeasurements();
|
|
|
|
if (!(process.env.NODE_ENV !== 'production')) {
|
|
warnInProduction();
|
|
return [];
|
|
}
|
|
|
|
var aggregatedStats = {};
|
|
var affectedIDs = {};
|
|
|
|
function updateAggregatedStats(treeSnapshot, instanceID, applyUpdate) {
|
|
var _treeSnapshot$instanc2 = treeSnapshot[instanceID],
|
|
displayName = _treeSnapshot$instanc2.displayName,
|
|
ownerID = _treeSnapshot$instanc2.ownerID;
|
|
|
|
var owner = treeSnapshot[ownerID];
|
|
var key = (owner ? owner.displayName + ' > ' : '') + displayName;
|
|
var stats = aggregatedStats[key];
|
|
if (!stats) {
|
|
affectedIDs[key] = {};
|
|
stats = aggregatedStats[key] = {
|
|
key: key,
|
|
instanceCount: 0,
|
|
inclusiveRenderDuration: 0,
|
|
renderCount: 0
|
|
};
|
|
}
|
|
affectedIDs[key][instanceID] = true;
|
|
applyUpdate(stats);
|
|
}
|
|
|
|
flushHistory.forEach(function (flush) {
|
|
var measurements = flush.measurements,
|
|
treeSnapshot = flush.treeSnapshot,
|
|
operations = flush.operations;
|
|
|
|
var isDefinitelyNotWastedByID = {};
|
|
|
|
// Find host components associated with an operation in this batch.
|
|
// Mark all components in their parent tree as definitely not wasted.
|
|
operations.forEach(function (operation) {
|
|
var instanceID = operation.instanceID;
|
|
|
|
var nextParentID = instanceID;
|
|
while (nextParentID) {
|
|
isDefinitelyNotWastedByID[nextParentID] = true;
|
|
nextParentID = treeSnapshot[nextParentID].parentID;
|
|
}
|
|
});
|
|
|
|
// Find composite components that rendered in this batch.
|
|
// These are potential candidates for being wasted renders.
|
|
var renderedCompositeIDs = {};
|
|
measurements.forEach(function (measurement) {
|
|
var instanceID = measurement.instanceID,
|
|
timerType = measurement.timerType;
|
|
|
|
if (timerType !== 'render') {
|
|
return;
|
|
}
|
|
renderedCompositeIDs[instanceID] = true;
|
|
});
|
|
|
|
measurements.forEach(function (measurement) {
|
|
var duration = measurement.duration,
|
|
instanceID = measurement.instanceID,
|
|
timerType = measurement.timerType;
|
|
|
|
if (timerType !== 'render') {
|
|
return;
|
|
}
|
|
|
|
// If there was a DOM update below this component, or it has just been
|
|
// mounted, its render() is not considered wasted.
|
|
var updateCount = treeSnapshot[instanceID].updateCount;
|
|
|
|
if (isDefinitelyNotWastedByID[instanceID] || updateCount === 0) {
|
|
return;
|
|
}
|
|
|
|
// We consider this render() wasted.
|
|
updateAggregatedStats(treeSnapshot, instanceID, function (stats) {
|
|
stats.renderCount++;
|
|
});
|
|
|
|
var nextParentID = instanceID;
|
|
while (nextParentID) {
|
|
// Any parents rendered during this batch are considered wasted
|
|
// unless we previously marked them as dirty.
|
|
var isWasted = renderedCompositeIDs[nextParentID] && !isDefinitelyNotWastedByID[nextParentID];
|
|
if (isWasted) {
|
|
updateAggregatedStats(treeSnapshot, nextParentID, function (stats) {
|
|
stats.inclusiveRenderDuration += duration;
|
|
});
|
|
}
|
|
nextParentID = treeSnapshot[nextParentID].parentID;
|
|
}
|
|
});
|
|
});
|
|
|
|
return Object.keys(aggregatedStats).map(function (key) {
|
|
return _extends({}, aggregatedStats[key], {
|
|
instanceCount: Object.keys(affectedIDs[key]).length
|
|
});
|
|
}).sort(function (a, b) {
|
|
return b.inclusiveRenderDuration - a.inclusiveRenderDuration;
|
|
});
|
|
}
|
|
|
|
function getOperations() {
|
|
var flushHistory = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : getLastMeasurements();
|
|
|
|
if (!(process.env.NODE_ENV !== 'production')) {
|
|
warnInProduction();
|
|
return [];
|
|
}
|
|
|
|
var stats = [];
|
|
flushHistory.forEach(function (flush, flushIndex) {
|
|
var operations = flush.operations,
|
|
treeSnapshot = flush.treeSnapshot;
|
|
|
|
operations.forEach(function (operation) {
|
|
var instanceID = operation.instanceID,
|
|
type = operation.type,
|
|
payload = operation.payload;
|
|
var _treeSnapshot$instanc3 = treeSnapshot[instanceID],
|
|
displayName = _treeSnapshot$instanc3.displayName,
|
|
ownerID = _treeSnapshot$instanc3.ownerID;
|
|
|
|
var owner = treeSnapshot[ownerID];
|
|
var key = (owner ? owner.displayName + ' > ' : '') + displayName;
|
|
|
|
stats.push({
|
|
flushIndex: flushIndex,
|
|
instanceID: instanceID,
|
|
key: key,
|
|
type: type,
|
|
ownerID: ownerID,
|
|
payload: payload
|
|
});
|
|
});
|
|
});
|
|
return stats;
|
|
}
|
|
|
|
function printExclusive(flushHistory) {
|
|
if (!(process.env.NODE_ENV !== 'production')) {
|
|
warnInProduction();
|
|
return;
|
|
}
|
|
|
|
var stats = getExclusive(flushHistory);
|
|
var table = stats.map(function (item) {
|
|
var key = item.key,
|
|
instanceCount = item.instanceCount,
|
|
totalDuration = item.totalDuration;
|
|
|
|
var renderCount = item.counts.render || 0;
|
|
var renderDuration = item.durations.render || 0;
|
|
return {
|
|
'Component': key,
|
|
'Total time (ms)': roundFloat(totalDuration),
|
|
'Instance count': instanceCount,
|
|
'Total render time (ms)': roundFloat(renderDuration),
|
|
'Average render time (ms)': renderCount ? roundFloat(renderDuration / renderCount) : undefined,
|
|
'Render count': renderCount,
|
|
'Total lifecycle time (ms)': roundFloat(totalDuration - renderDuration)
|
|
};
|
|
});
|
|
consoleTable(table);
|
|
}
|
|
|
|
function printInclusive(flushHistory) {
|
|
if (!(process.env.NODE_ENV !== 'production')) {
|
|
warnInProduction();
|
|
return;
|
|
}
|
|
|
|
var stats = getInclusive(flushHistory);
|
|
var table = stats.map(function (item) {
|
|
var key = item.key,
|
|
instanceCount = item.instanceCount,
|
|
inclusiveRenderDuration = item.inclusiveRenderDuration,
|
|
renderCount = item.renderCount;
|
|
|
|
return {
|
|
'Owner > Component': key,
|
|
'Inclusive render time (ms)': roundFloat(inclusiveRenderDuration),
|
|
'Instance count': instanceCount,
|
|
'Render count': renderCount
|
|
};
|
|
});
|
|
consoleTable(table);
|
|
}
|
|
|
|
function printWasted(flushHistory) {
|
|
if (!(process.env.NODE_ENV !== 'production')) {
|
|
warnInProduction();
|
|
return;
|
|
}
|
|
|
|
var stats = getWasted(flushHistory);
|
|
var table = stats.map(function (item) {
|
|
var key = item.key,
|
|
instanceCount = item.instanceCount,
|
|
inclusiveRenderDuration = item.inclusiveRenderDuration,
|
|
renderCount = item.renderCount;
|
|
|
|
return {
|
|
'Owner > Component': key,
|
|
'Inclusive wasted time (ms)': roundFloat(inclusiveRenderDuration),
|
|
'Instance count': instanceCount,
|
|
'Render count': renderCount
|
|
};
|
|
});
|
|
consoleTable(table);
|
|
}
|
|
|
|
function printOperations(flushHistory) {
|
|
if (!(process.env.NODE_ENV !== 'production')) {
|
|
warnInProduction();
|
|
return;
|
|
}
|
|
|
|
var stats = getOperations(flushHistory);
|
|
var table = stats.map(function (stat) {
|
|
return {
|
|
'Owner > Node': stat.key,
|
|
'Operation': stat.type,
|
|
'Payload': typeof stat.payload === 'object' ? JSON.stringify(stat.payload) : stat.payload,
|
|
'Flush index': stat.flushIndex,
|
|
'Owner Component ID': stat.ownerID,
|
|
'DOM Component ID': stat.instanceID
|
|
};
|
|
});
|
|
consoleTable(table);
|
|
}
|
|
|
|
var warnedAboutPrintDOM = false;
|
|
function printDOM(measurements) {
|
|
process.env.NODE_ENV !== 'production' ? warning(warnedAboutPrintDOM, '`ReactPerf.printDOM(...)` is deprecated. Use ' + '`ReactPerf.printOperations(...)` instead.') : void 0;
|
|
warnedAboutPrintDOM = true;
|
|
return printOperations(measurements);
|
|
}
|
|
|
|
var warnedAboutGetMeasurementsSummaryMap = false;
|
|
function getMeasurementsSummaryMap(measurements) {
|
|
process.env.NODE_ENV !== 'production' ? warning(warnedAboutGetMeasurementsSummaryMap, '`ReactPerf.getMeasurementsSummaryMap(...)` is deprecated. Use ' + '`ReactPerf.getWasted(...)` instead.') : void 0;
|
|
warnedAboutGetMeasurementsSummaryMap = true;
|
|
return getWasted(measurements);
|
|
}
|
|
|
|
function start() {
|
|
if (!(process.env.NODE_ENV !== 'production')) {
|
|
warnInProduction();
|
|
return;
|
|
}
|
|
|
|
ReactDebugTool.beginProfiling();
|
|
}
|
|
|
|
function stop() {
|
|
if (!(process.env.NODE_ENV !== 'production')) {
|
|
warnInProduction();
|
|
return;
|
|
}
|
|
|
|
ReactDebugTool.endProfiling();
|
|
}
|
|
|
|
function isRunning() {
|
|
if (!(process.env.NODE_ENV !== 'production')) {
|
|
warnInProduction();
|
|
return false;
|
|
}
|
|
|
|
return ReactDebugTool.isProfiling();
|
|
}
|
|
|
|
var ReactPerfAnalysis = {
|
|
getLastMeasurements: getLastMeasurements,
|
|
getExclusive: getExclusive,
|
|
getInclusive: getInclusive,
|
|
getWasted: getWasted,
|
|
getOperations: getOperations,
|
|
printExclusive: printExclusive,
|
|
printInclusive: printInclusive,
|
|
printWasted: printWasted,
|
|
printOperations: printOperations,
|
|
start: start,
|
|
stop: stop,
|
|
isRunning: isRunning,
|
|
// Deprecated:
|
|
printDOM: printDOM,
|
|
getMeasurementsSummaryMap: getMeasurementsSummaryMap
|
|
};
|
|
|
|
module.exports = ReactPerfAnalysis; |