How to use getWasted method in Playwright Internal

Best JavaScript code snippet using playwright-internal

b86761ReactPerf.js

Source:b86761ReactPerf.js Github

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...149 }).sort(function (a, b) {150 return b.inclusiveRenderDuration - a.inclusiveRenderDuration;151 });152}153function getWasted() {154 var flushHistory = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : getLastMeasurements();155 if (!__DEV__) {156 warnInProduction();157 return [];158 }159 var aggregatedStats = {};160 var affectedIDs = {};161 function updateAggregatedStats(treeSnapshot, instanceID, applyUpdate) {162 var _treeSnapshot$instanc2 = treeSnapshot[instanceID],163 displayName = _treeSnapshot$instanc2.displayName,164 ownerID = _treeSnapshot$instanc2.ownerID;165 var owner = treeSnapshot[ownerID];166 var key = (owner ? owner.displayName + ' > ' : '') + displayName;167 var stats = aggregatedStats[key];168 if (!stats) {169 affectedIDs[key] = {};170 stats = aggregatedStats[key] = {171 key: key,172 instanceCount: 0,173 inclusiveRenderDuration: 0,174 renderCount: 0175 };176 }177 affectedIDs[key][instanceID] = true;178 applyUpdate(stats);179 }180 flushHistory.forEach(function (flush) {181 var measurements = flush.measurements,182 treeSnapshot = flush.treeSnapshot,183 operations = flush.operations;184 var isDefinitelyNotWastedByID = {};185 operations.forEach(function (operation) {186 var instanceID = operation.instanceID;187 var nextParentID = instanceID;188 while (nextParentID) {189 isDefinitelyNotWastedByID[nextParentID] = true;190 nextParentID = treeSnapshot[nextParentID].parentID;191 }192 });193 var renderedCompositeIDs = {};194 measurements.forEach(function (measurement) {195 var instanceID = measurement.instanceID,196 timerType = measurement.timerType;197 if (timerType !== 'render') {198 return;199 }200 renderedCompositeIDs[instanceID] = true;201 });202 measurements.forEach(function (measurement) {203 var duration = measurement.duration,204 instanceID = measurement.instanceID,205 timerType = measurement.timerType;206 if (timerType !== 'render') {207 return;208 }209 var updateCount = treeSnapshot[instanceID].updateCount;210 if (isDefinitelyNotWastedByID[instanceID] || updateCount === 0) {211 return;212 }213 updateAggregatedStats(treeSnapshot, instanceID, function (stats) {214 stats.renderCount++;215 });216 var nextParentID = instanceID;217 while (nextParentID) {218 var isWasted = renderedCompositeIDs[nextParentID] && !isDefinitelyNotWastedByID[nextParentID];219 if (isWasted) {220 updateAggregatedStats(treeSnapshot, nextParentID, function (stats) {221 stats.inclusiveRenderDuration += duration;222 });223 }224 nextParentID = treeSnapshot[nextParentID].parentID;225 }226 });227 });228 return Object.keys(aggregatedStats).map(function (key) {229 return babelHelpers.extends({}, aggregatedStats[key], {230 instanceCount: Object.keys(affectedIDs[key]).length231 });232 }).sort(function (a, b) {233 return b.inclusiveRenderDuration - a.inclusiveRenderDuration;234 });235}236function getOperations() {237 var flushHistory = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : getLastMeasurements();238 if (!__DEV__) {239 warnInProduction();240 return [];241 }242 var stats = [];243 flushHistory.forEach(function (flush, flushIndex) {244 var operations = flush.operations,245 treeSnapshot = flush.treeSnapshot;246 operations.forEach(function (operation) {247 var instanceID = operation.instanceID,248 type = operation.type,249 payload = operation.payload;250 var _treeSnapshot$instanc3 = treeSnapshot[instanceID],251 displayName = _treeSnapshot$instanc3.displayName,252 ownerID = _treeSnapshot$instanc3.ownerID;253 var owner = treeSnapshot[ownerID];254 var key = (owner ? owner.displayName + ' > ' : '') + displayName;255 stats.push({256 flushIndex: flushIndex,257 instanceID: instanceID,258 key: key,259 type: type,260 ownerID: ownerID,261 payload: payload262 });263 });264 });265 return stats;266}267function printExclusive(flushHistory) {268 if (!__DEV__) {269 warnInProduction();270 return;271 }272 var stats = getExclusive(flushHistory);273 var table = stats.map(function (item) {274 var key = item.key,275 instanceCount = item.instanceCount,276 totalDuration = item.totalDuration;277 var renderCount = item.counts.render || 0;278 var renderDuration = item.durations.render || 0;279 return {280 'Component': key,281 'Total time (ms)': roundFloat(totalDuration),282 'Instance count': instanceCount,283 'Total render time (ms)': roundFloat(renderDuration),284 'Average render time (ms)': renderCount ? roundFloat(renderDuration / renderCount) : undefined,285 'Render count': renderCount,286 'Total lifecycle time (ms)': roundFloat(totalDuration - renderDuration)287 };288 });289 consoleTable(table);290}291function printInclusive(flushHistory) {292 if (!__DEV__) {293 warnInProduction();294 return;295 }296 var stats = getInclusive(flushHistory);297 var table = stats.map(function (item) {298 var key = item.key,299 instanceCount = item.instanceCount,300 inclusiveRenderDuration = item.inclusiveRenderDuration,301 renderCount = item.renderCount;302 return {303 'Owner > Component': key,304 'Inclusive render time (ms)': roundFloat(inclusiveRenderDuration),305 'Instance count': instanceCount,306 'Render count': renderCount307 };308 });309 consoleTable(table);310}311function printWasted(flushHistory) {312 if (!__DEV__) {313 warnInProduction();314 return;315 }316 var stats = getWasted(flushHistory);317 var table = stats.map(function (item) {318 var key = item.key,319 instanceCount = item.instanceCount,320 inclusiveRenderDuration = item.inclusiveRenderDuration,321 renderCount = item.renderCount;322 return {323 'Owner > Component': key,324 'Inclusive wasted time (ms)': roundFloat(inclusiveRenderDuration),325 'Instance count': instanceCount,326 'Render count': renderCount327 };328 });329 consoleTable(table);330}331function printOperations(flushHistory) {332 if (!__DEV__) {333 warnInProduction();334 return;335 }336 var stats = getOperations(flushHistory);337 var table = stats.map(function (stat) {338 return {339 'Owner > Node': stat.key,340 'Operation': stat.type,341 'Payload': typeof stat.payload === 'object' ? JSON.stringify(stat.payload) : stat.payload,342 'Flush index': stat.flushIndex,343 'Owner Component ID': stat.ownerID,344 'DOM Component ID': stat.instanceID345 };346 });347 consoleTable(table);348}349var warnedAboutPrintDOM = false;350function printDOM(measurements) {351 warning(warnedAboutPrintDOM, '`ReactPerf.printDOM(...)` is deprecated. Use ' + '`ReactPerf.printOperations(...)` instead.');352 warnedAboutPrintDOM = true;353 return printOperations(measurements);354}355var warnedAboutGetMeasurementsSummaryMap = false;356function getMeasurementsSummaryMap(measurements) {357 warning(warnedAboutGetMeasurementsSummaryMap, '`ReactPerf.getMeasurementsSummaryMap(...)` is deprecated. Use ' + '`ReactPerf.getWasted(...)` instead.');358 warnedAboutGetMeasurementsSummaryMap = true;359 return getWasted(measurements);360}361function start() {362 if (!__DEV__) {363 warnInProduction();364 return;365 }366 ReactDebugTool.beginProfiling();367}368function stop() {369 if (!__DEV__) {370 warnInProduction();371 return;372 }373 ReactDebugTool.endProfiling();...

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ReactPerf.js

Source:ReactPerf.js Github

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...134 }).sort(function(a, b) {135 return b.inclusiveRenderDuration - a.inclusiveRenderDuration;136 });137 }138 function getWasted() {139 var flushHistory = arguments.length <= 0 || arguments[0] === undefined ? getFlushHistory() : arguments[0];140 var aggregatedStats = {};141 var affectedIDs = {};142 function updateAggregatedStats(treeSnapshot, instanceID, applyUpdate) {143 var _treeSnapshot$instanc2 = treeSnapshot[instanceID];144 var displayName = _treeSnapshot$instanc2.displayName;145 var ownerID = _treeSnapshot$instanc2.ownerID;146 var owner = treeSnapshot[ownerID];147 var key = (owner ? owner.displayName + ' > ' : '') + displayName;148 var stats = aggregatedStats[key];149 if (!stats) {150 affectedIDs[key] = {};151 stats = aggregatedStats[key] = {152 key: key,153 instanceCount: 0,154 inclusiveRenderDuration: 0,155 renderCount: 0156 };157 }158 affectedIDs[key][instanceID] = true;159 applyUpdate(stats);160 }161 flushHistory.forEach(function(flush) {162 var measurements = flush.measurements;163 var treeSnapshot = flush.treeSnapshot;164 var operations = flush.operations;165 var isDefinitelyNotWastedByID = {};166 operations.forEach(function(operation) {167 var instanceID = operation.instanceID;168 var nextParentID = instanceID;169 while (nextParentID) {170 isDefinitelyNotWastedByID[nextParentID] = true;171 nextParentID = treeSnapshot[nextParentID].parentID;172 }173 });174 var renderedCompositeIDs = {};175 measurements.forEach(function(measurement) {176 var instanceID = measurement.instanceID;177 var timerType = measurement.timerType;178 if (timerType !== 'render') {179 return;180 }181 renderedCompositeIDs[instanceID] = true;182 });183 measurements.forEach(function(measurement) {184 var duration = measurement.duration;185 var instanceID = measurement.instanceID;186 var timerType = measurement.timerType;187 if (timerType !== 'render') {188 return;189 }190 var updateCount = treeSnapshot[instanceID].updateCount;191 if (isDefinitelyNotWastedByID[instanceID] || updateCount === 0) {192 return;193 }194 updateAggregatedStats(treeSnapshot, instanceID, function(stats) {195 stats.renderCount++;196 });197 var nextParentID = instanceID;198 while (nextParentID) {199 var isWasted = renderedCompositeIDs[nextParentID] && !isDefinitelyNotWastedByID[nextParentID];200 if (isWasted) {201 updateAggregatedStats(treeSnapshot, nextParentID, function(stats) {202 stats.inclusiveRenderDuration += duration;203 });204 }205 nextParentID = treeSnapshot[nextParentID].parentID;206 }207 });208 });209 return Object.keys(aggregatedStats).map(function(key) {210 return _extends({}, aggregatedStats[key], {instanceCount: Object.keys(affectedIDs[key]).length});211 }).sort(function(a, b) {212 return b.inclusiveRenderDuration - a.inclusiveRenderDuration;213 });214 }215 function getOperations() {216 var flushHistory = arguments.length <= 0 || arguments[0] === undefined ? getFlushHistory() : arguments[0];217 var stats = [];218 flushHistory.forEach(function(flush, flushIndex) {219 var operations = flush.operations;220 var treeSnapshot = flush.treeSnapshot;221 operations.forEach(function(operation) {222 var instanceID = operation.instanceID;223 var type = operation.type;224 var payload = operation.payload;225 var _treeSnapshot$instanc3 = treeSnapshot[instanceID];226 var displayName = _treeSnapshot$instanc3.displayName;227 var ownerID = _treeSnapshot$instanc3.ownerID;228 var owner = treeSnapshot[ownerID];229 var key = (owner ? owner.displayName + ' > ' : '') + displayName;230 stats.push({231 flushIndex: flushIndex,232 instanceID: instanceID,233 key: key,234 type: type,235 ownerID: ownerID,236 payload: payload237 });238 });239 });240 return stats;241 }242 function printExclusive(flushHistory) {243 var stats = getExclusive(flushHistory);244 var table = stats.map(function(item) {245 var key = item.key;246 var instanceCount = item.instanceCount;247 var totalDuration = item.totalDuration;248 var renderCount = item.counts.render || 0;249 var renderDuration = item.durations.render || 0;250 return {251 'Component': key,252 'Total time (ms)': roundFloat(totalDuration),253 'Instance count': instanceCount,254 'Total render time (ms)': roundFloat(renderDuration),255 'Average render time (ms)': renderCount ? roundFloat(renderDuration / renderCount) : undefined,256 'Render count': renderCount,257 'Total lifecycle time (ms)': roundFloat(totalDuration - renderDuration)258 };259 });260 console.table(table);261 }262 function printInclusive(flushHistory) {263 var stats = getInclusive(flushHistory);264 var table = stats.map(function(item) {265 var key = item.key;266 var instanceCount = item.instanceCount;267 var inclusiveRenderDuration = item.inclusiveRenderDuration;268 var renderCount = item.renderCount;269 return {270 'Owner > Component': key,271 'Inclusive render time (ms)': roundFloat(inclusiveRenderDuration),272 'Instance count': instanceCount,273 'Render count': renderCount274 };275 });276 console.table(table);277 }278 function printWasted(flushHistory) {279 var stats = getWasted(flushHistory);280 var table = stats.map(function(item) {281 var key = item.key;282 var instanceCount = item.instanceCount;283 var inclusiveRenderDuration = item.inclusiveRenderDuration;284 var renderCount = item.renderCount;285 return {286 'Owner > Component': key,287 'Inclusive wasted time (ms)': roundFloat(inclusiveRenderDuration),288 'Instance count': instanceCount,289 'Render count': renderCount290 };291 });292 console.table(table);293 }294 function printOperations(flushHistory) {295 var stats = getOperations(flushHistory);296 var table = stats.map(function(stat) {297 return {298 'Owner > Node': stat.key,299 'Operation': stat.type,300 'Payload': typeof stat.payload === 'object' ? JSON.stringify(stat.payload) : stat.payload,301 'Flush index': stat.flushIndex,302 'Owner Component ID': stat.ownerID,303 'DOM Component ID': stat.instanceID304 };305 });306 console.table(table);307 }308 var warnedAboutPrintDOM = false;309 function printDOM(measurements) {310 process.env.NODE_ENV !== 'production' ? warning(warnedAboutPrintDOM, '`ReactPerf.printDOM(...)` is deprecated. Use ' + '`ReactPerf.printOperations(...)` instead.') : void 0;311 warnedAboutPrintDOM = true;312 return printOperations(measurements);313 }314 var warnedAboutGetMeasurementsSummaryMap = false;315 function getMeasurementsSummaryMap(measurements) {316 process.env.NODE_ENV !== 'production' ? warning(warnedAboutGetMeasurementsSummaryMap, '`ReactPerf.getMeasurementsSummaryMap(...)` is deprecated. Use ' + '`ReactPerf.getWasted(...)` instead.') : void 0;317 warnedAboutGetMeasurementsSummaryMap = true;318 return getWasted(measurements);319 }320 function start() {321 ReactDebugTool.beginProfiling();322 }323 function stop() {324 ReactDebugTool.endProfiling();325 }326 var ReactPerfAnalysis = {327 getLastMeasurements: getFlushHistory,328 getExclusive: getExclusive,329 getInclusive: getInclusive,330 getWasted: getWasted,331 getOperations: getOperations,332 printExclusive: printExclusive,...

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fa18fcReactPerf.js

Source:fa18fcReactPerf.js Github

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...135instanceCount:Object.keys(affectedIDs[key]).length});}).136sort(function(a,b){return(137b.inclusiveRenderDuration-a.inclusiveRenderDuration);});138}139function getWasted(){var flushHistory=arguments.length>0&&arguments[0]!==undefined?arguments[0]:getLastMeasurements();140if(!__DEV__){141warnInProduction();142return[];143}144var aggregatedStats={};145var affectedIDs={};146function updateAggregatedStats(treeSnapshot,instanceID,applyUpdate){var _treeSnapshot$instanc2=147treeSnapshot[instanceID],displayName=_treeSnapshot$instanc2.displayName,ownerID=_treeSnapshot$instanc2.ownerID;148var owner=treeSnapshot[ownerID];149var key=(owner?owner.displayName+' > ':'')+displayName;150var stats=aggregatedStats[key];151if(!stats){152affectedIDs[key]={};153stats=aggregatedStats[key]={154key:key,155instanceCount:0,156inclusiveRenderDuration:0,157renderCount:0};158}159affectedIDs[key][instanceID]=true;160applyUpdate(stats);161}162flushHistory.forEach(function(flush){var163measurements=flush.measurements,treeSnapshot=flush.treeSnapshot,operations=flush.operations;164var isDefinitelyNotWastedByID={};165operations.forEach(function(operation){var166instanceID=operation.instanceID;167var nextParentID=instanceID;168while(nextParentID){169isDefinitelyNotWastedByID[nextParentID]=true;170nextParentID=treeSnapshot[nextParentID].parentID;171}172});173var renderedCompositeIDs={};174measurements.forEach(function(measurement){var175instanceID=measurement.instanceID,timerType=measurement.timerType;176if(timerType!=='render'){177return;178}179renderedCompositeIDs[instanceID]=true;180});181measurements.forEach(function(measurement){var182duration=measurement.duration,instanceID=measurement.instanceID,timerType=measurement.timerType;183if(timerType!=='render'){184return;185}var186updateCount=treeSnapshot[instanceID].updateCount;187if(isDefinitelyNotWastedByID[instanceID]||updateCount===0){188return;189}190updateAggregatedStats(treeSnapshot,instanceID,function(stats){191stats.renderCount++;192});193var nextParentID=instanceID;194while(nextParentID){195var isWasted=196renderedCompositeIDs[nextParentID]&&197!isDefinitelyNotWastedByID[nextParentID];198if(isWasted){199updateAggregatedStats(treeSnapshot,nextParentID,function(stats){200stats.inclusiveRenderDuration+=duration;201});202}203nextParentID=treeSnapshot[nextParentID].parentID;204}205});206});207return Object.keys(aggregatedStats).208map(function(key){return _extends({},209aggregatedStats[key],{210instanceCount:Object.keys(affectedIDs[key]).length});}).211sort(function(a,b){return(212b.inclusiveRenderDuration-a.inclusiveRenderDuration);});213}214function getOperations(){var flushHistory=arguments.length>0&&arguments[0]!==undefined?arguments[0]:getLastMeasurements();215if(!__DEV__){216warnInProduction();217return[];218}219var stats=[];220flushHistory.forEach(function(flush,flushIndex){var221operations=flush.operations,treeSnapshot=flush.treeSnapshot;222operations.forEach(function(operation){var223instanceID=operation.instanceID,type=operation.type,payload=operation.payload;var _treeSnapshot$instanc3=224treeSnapshot[instanceID],displayName=_treeSnapshot$instanc3.displayName,ownerID=_treeSnapshot$instanc3.ownerID;225var owner=treeSnapshot[ownerID];226var key=(owner?owner.displayName+' > ':'')+displayName;227stats.push({228flushIndex:flushIndex,229instanceID:instanceID,230key:key,231type:type,232ownerID:ownerID,233payload:payload});234});235});236return stats;237}238function printExclusive(flushHistory){239if(!__DEV__){240warnInProduction();241return;242}243var stats=getExclusive(flushHistory);244var table=stats.map(function(item){var245key=item.key,instanceCount=item.instanceCount,totalDuration=item.totalDuration;246var renderCount=item.counts.render||0;247var renderDuration=item.durations.render||0;248return{249'Component':key,250'Total time (ms)':roundFloat(totalDuration),251'Instance count':instanceCount,252'Total render time (ms)':roundFloat(renderDuration),253'Average render time (ms)':renderCount?254roundFloat(renderDuration/renderCount):255undefined,256'Render count':renderCount,257'Total lifecycle time (ms)':roundFloat(totalDuration-renderDuration)};258});259consoleTable(table);260}261function printInclusive(flushHistory){262if(!__DEV__){263warnInProduction();264return;265}266var stats=getInclusive(flushHistory);267var table=stats.map(function(item){var268key=item.key,instanceCount=item.instanceCount,inclusiveRenderDuration=item.inclusiveRenderDuration,renderCount=item.renderCount;269return{270'Owner > Component':key,271'Inclusive render time (ms)':roundFloat(inclusiveRenderDuration),272'Instance count':instanceCount,273'Render count':renderCount};274});275consoleTable(table);276}277function printWasted(flushHistory){278if(!__DEV__){279warnInProduction();280return;281}282var stats=getWasted(flushHistory);283var table=stats.map(function(item){var284key=item.key,instanceCount=item.instanceCount,inclusiveRenderDuration=item.inclusiveRenderDuration,renderCount=item.renderCount;285return{286'Owner > Component':key,287'Inclusive wasted time (ms)':roundFloat(inclusiveRenderDuration),288'Instance count':instanceCount,289'Render count':renderCount};290});291consoleTable(table);292}293function printOperations(flushHistory){294if(!__DEV__){295warnInProduction();296return;297}298var stats=getOperations(flushHistory);299var table=stats.map(function(stat){return{300'Owner > Node':stat.key,301'Operation':stat.type,302'Payload':typeof stat.payload==='object'?303JSON.stringify(stat.payload):304stat.payload,305'Flush index':stat.flushIndex,306'Owner Component ID':stat.ownerID,307'DOM Component ID':stat.instanceID};});308consoleTable(table);309}310var warnedAboutPrintDOM=false;311function printDOM(measurements){312warning(313warnedAboutPrintDOM,314'`ReactPerf.printDOM(...)` is deprecated. Use '+315'`ReactPerf.printOperations(...)` instead.');316warnedAboutPrintDOM=true;317return printOperations(measurements);318}319var warnedAboutGetMeasurementsSummaryMap=false;320function getMeasurementsSummaryMap(measurements){321warning(322warnedAboutGetMeasurementsSummaryMap,323'`ReactPerf.getMeasurementsSummaryMap(...)` is deprecated. Use '+324'`ReactPerf.getWasted(...)` instead.');325warnedAboutGetMeasurementsSummaryMap=true;326return getWasted(measurements);327}328function start(){329if(!__DEV__){330warnInProduction();331return;332}333ReactDebugTool.beginProfiling();334}335function stop(){336if(!__DEV__){337warnInProduction();338return;339}340ReactDebugTool.endProfiling();...

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e3040dReactPerf.js

Source:e3040dReactPerf.js Github

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...135instanceCount:Object.keys(affectedIDs[key]).length});}).136sort(function(a,b){return(137b.inclusiveRenderDuration-a.inclusiveRenderDuration);});138}139function getWasted(){var flushHistory=arguments.length>0&&arguments[0]!==undefined?arguments[0]:getLastMeasurements();140if(!__DEV__){141warnInProduction();142return[];143}144var aggregatedStats={};145var affectedIDs={};146function updateAggregatedStats(treeSnapshot,instanceID,applyUpdate){var _treeSnapshot$instanc2=147treeSnapshot[instanceID],displayName=_treeSnapshot$instanc2.displayName,ownerID=_treeSnapshot$instanc2.ownerID;148var owner=treeSnapshot[ownerID];149var key=(owner?owner.displayName+' > ':'')+displayName;150var stats=aggregatedStats[key];151if(!stats){152affectedIDs[key]={};153stats=aggregatedStats[key]={154key:key,155instanceCount:0,156inclusiveRenderDuration:0,157renderCount:0};158}159affectedIDs[key][instanceID]=true;160applyUpdate(stats);161}162flushHistory.forEach(function(flush){var163measurements=flush.measurements,treeSnapshot=flush.treeSnapshot,operations=flush.operations;164var isDefinitelyNotWastedByID={};165operations.forEach(function(operation){var166instanceID=operation.instanceID;167var nextParentID=instanceID;168while(nextParentID){169isDefinitelyNotWastedByID[nextParentID]=true;170nextParentID=treeSnapshot[nextParentID].parentID;171}172});173var renderedCompositeIDs={};174measurements.forEach(function(measurement){var175instanceID=measurement.instanceID,timerType=measurement.timerType;176if(timerType!=='render'){177return;178}179renderedCompositeIDs[instanceID]=true;180});181measurements.forEach(function(measurement){var182duration=measurement.duration,instanceID=measurement.instanceID,timerType=measurement.timerType;183if(timerType!=='render'){184return;185}var186updateCount=treeSnapshot[instanceID].updateCount;187if(isDefinitelyNotWastedByID[instanceID]||updateCount===0){188return;189}190updateAggregatedStats(treeSnapshot,instanceID,function(stats){191stats.renderCount++;192});193var nextParentID=instanceID;194while(nextParentID){195var isWasted=196renderedCompositeIDs[nextParentID]&&197!isDefinitelyNotWastedByID[nextParentID];198if(isWasted){199updateAggregatedStats(treeSnapshot,nextParentID,function(stats){200stats.inclusiveRenderDuration+=duration;201});202}203nextParentID=treeSnapshot[nextParentID].parentID;204}205});206});207return Object.keys(aggregatedStats).208map(function(key){return babelHelpers.extends({},209aggregatedStats[key],{210instanceCount:Object.keys(affectedIDs[key]).length});}).211sort(function(a,b){return(212b.inclusiveRenderDuration-a.inclusiveRenderDuration);});213}214function getOperations(){var flushHistory=arguments.length>0&&arguments[0]!==undefined?arguments[0]:getLastMeasurements();215if(!__DEV__){216warnInProduction();217return[];218}219var stats=[];220flushHistory.forEach(function(flush,flushIndex){var221operations=flush.operations,treeSnapshot=flush.treeSnapshot;222operations.forEach(function(operation){var223instanceID=operation.instanceID,type=operation.type,payload=operation.payload;var _treeSnapshot$instanc3=224treeSnapshot[instanceID],displayName=_treeSnapshot$instanc3.displayName,ownerID=_treeSnapshot$instanc3.ownerID;225var owner=treeSnapshot[ownerID];226var key=(owner?owner.displayName+' > ':'')+displayName;227stats.push({228flushIndex:flushIndex,229instanceID:instanceID,230key:key,231type:type,232ownerID:ownerID,233payload:payload});234});235});236return stats;237}238function printExclusive(flushHistory){239if(!__DEV__){240warnInProduction();241return;242}243var stats=getExclusive(flushHistory);244var table=stats.map(function(item){var245key=item.key,instanceCount=item.instanceCount,totalDuration=item.totalDuration;246var renderCount=item.counts.render||0;247var renderDuration=item.durations.render||0;248return{249'Component':key,250'Total time (ms)':roundFloat(totalDuration),251'Instance count':instanceCount,252'Total render time (ms)':roundFloat(renderDuration),253'Average render time (ms)':renderCount?254roundFloat(renderDuration/renderCount):255undefined,256'Render count':renderCount,257'Total lifecycle time (ms)':roundFloat(totalDuration-renderDuration)};258});259consoleTable(table);260}261function printInclusive(flushHistory){262if(!__DEV__){263warnInProduction();264return;265}266var stats=getInclusive(flushHistory);267var table=stats.map(function(item){var268key=item.key,instanceCount=item.instanceCount,inclusiveRenderDuration=item.inclusiveRenderDuration,renderCount=item.renderCount;269return{270'Owner > Component':key,271'Inclusive render time (ms)':roundFloat(inclusiveRenderDuration),272'Instance count':instanceCount,273'Render count':renderCount};274});275consoleTable(table);276}277function printWasted(flushHistory){278if(!__DEV__){279warnInProduction();280return;281}282var stats=getWasted(flushHistory);283var table=stats.map(function(item){var284key=item.key,instanceCount=item.instanceCount,inclusiveRenderDuration=item.inclusiveRenderDuration,renderCount=item.renderCount;285return{286'Owner > Component':key,287'Inclusive wasted time (ms)':roundFloat(inclusiveRenderDuration),288'Instance count':instanceCount,289'Render count':renderCount};290});291consoleTable(table);292}293function printOperations(flushHistory){294if(!__DEV__){295warnInProduction();296return;297}298var stats=getOperations(flushHistory);299var table=stats.map(function(stat){return{300'Owner > Node':stat.key,301'Operation':stat.type,302'Payload':typeof stat.payload==='object'?303JSON.stringify(stat.payload):304stat.payload,305'Flush index':stat.flushIndex,306'Owner Component ID':stat.ownerID,307'DOM Component ID':stat.instanceID};});308consoleTable(table);309}310var warnedAboutPrintDOM=false;311function printDOM(measurements){312warning(313warnedAboutPrintDOM,314'`ReactPerf.printDOM(...)` is deprecated. Use '+315'`ReactPerf.printOperations(...)` instead.');316warnedAboutPrintDOM=true;317return printOperations(measurements);318}319var warnedAboutGetMeasurementsSummaryMap=false;320function getMeasurementsSummaryMap(measurements){321warning(322warnedAboutGetMeasurementsSummaryMap,323'`ReactPerf.getMeasurementsSummaryMap(...)` is deprecated. Use '+324'`ReactPerf.getWasted(...)` instead.');325warnedAboutGetMeasurementsSummaryMap=true;326return getWasted(measurements);327}328function start(){329if(!__DEV__){330warnInProduction();331return;332}333ReactDebugTool.beginProfiling();334}335function stop(){336if(!__DEV__){337warnInProduction();338return;339}340ReactDebugTool.endProfiling();...

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2959baReactPerf.js

Source:2959baReactPerf.js Github

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...135instanceCount:Object.keys(affectedIDs[key]).length});}).136sort(function(a,b){return(137b.inclusiveRenderDuration-a.inclusiveRenderDuration);});138}139function getWasted(){var flushHistory=arguments.length>0&&arguments[0]!==undefined?arguments[0]:getLastMeasurements();140if(!__DEV__){141warnInProduction();142return[];143}144var aggregatedStats={};145var affectedIDs={};146function updateAggregatedStats(treeSnapshot,instanceID,applyUpdate){var _treeSnapshot$instanc2=147treeSnapshot[instanceID],displayName=_treeSnapshot$instanc2.displayName,ownerID=_treeSnapshot$instanc2.ownerID;148var owner=treeSnapshot[ownerID];149var key=(owner?owner.displayName+' > ':'')+displayName;150var stats=aggregatedStats[key];151if(!stats){152affectedIDs[key]={};153stats=aggregatedStats[key]={154key:key,155instanceCount:0,156inclusiveRenderDuration:0,157renderCount:0};158}159affectedIDs[key][instanceID]=true;160applyUpdate(stats);161}162flushHistory.forEach(function(flush){var163measurements=flush.measurements,treeSnapshot=flush.treeSnapshot,operations=flush.operations;164var isDefinitelyNotWastedByID={};165operations.forEach(function(operation){var166instanceID=operation.instanceID;167var nextParentID=instanceID;168while(nextParentID){169isDefinitelyNotWastedByID[nextParentID]=true;170nextParentID=treeSnapshot[nextParentID].parentID;171}172});173var renderedCompositeIDs={};174measurements.forEach(function(measurement){var175instanceID=measurement.instanceID,timerType=measurement.timerType;176if(timerType!=='render'){177return;178}179renderedCompositeIDs[instanceID]=true;180});181measurements.forEach(function(measurement){var182duration=measurement.duration,instanceID=measurement.instanceID,timerType=measurement.timerType;183if(timerType!=='render'){184return;185}var186updateCount=treeSnapshot[instanceID].updateCount;187if(isDefinitelyNotWastedByID[instanceID]||updateCount===0){188return;189}190updateAggregatedStats(treeSnapshot,instanceID,function(stats){191stats.renderCount++;192});193var nextParentID=instanceID;194while(nextParentID){195var isWasted=196renderedCompositeIDs[nextParentID]&&197!isDefinitelyNotWastedByID[nextParentID];198if(isWasted){199updateAggregatedStats(treeSnapshot,nextParentID,function(stats){200stats.inclusiveRenderDuration+=duration;201});202}203nextParentID=treeSnapshot[nextParentID].parentID;204}205});206});207return Object.keys(aggregatedStats).208map(function(key){return babelHelpers.extends({},209aggregatedStats[key],{210instanceCount:Object.keys(affectedIDs[key]).length});}).211sort(function(a,b){return(212b.inclusiveRenderDuration-a.inclusiveRenderDuration);});213}214function getOperations(){var flushHistory=arguments.length>0&&arguments[0]!==undefined?arguments[0]:getLastMeasurements();215if(!__DEV__){216warnInProduction();217return[];218}219var stats=[];220flushHistory.forEach(function(flush,flushIndex){var221operations=flush.operations,treeSnapshot=flush.treeSnapshot;222operations.forEach(function(operation){var223instanceID=operation.instanceID,type=operation.type,payload=operation.payload;var _treeSnapshot$instanc3=224treeSnapshot[instanceID],displayName=_treeSnapshot$instanc3.displayName,ownerID=_treeSnapshot$instanc3.ownerID;225var owner=treeSnapshot[ownerID];226var key=(owner?owner.displayName+' > ':'')+displayName;227stats.push({228flushIndex:flushIndex,229instanceID:instanceID,230key:key,231type:type,232ownerID:ownerID,233payload:payload});234});235});236return stats;237}238function printExclusive(flushHistory){239if(!__DEV__){240warnInProduction();241return;242}243var stats=getExclusive(flushHistory);244var table=stats.map(function(item){var245key=item.key,instanceCount=item.instanceCount,totalDuration=item.totalDuration;246var renderCount=item.counts.render||0;247var renderDuration=item.durations.render||0;248return{249'Component':key,250'Total time (ms)':roundFloat(totalDuration),251'Instance count':instanceCount,252'Total render time (ms)':roundFloat(renderDuration),253'Average render time (ms)':renderCount?254roundFloat(renderDuration/renderCount):255undefined,256'Render count':renderCount,257'Total lifecycle time (ms)':roundFloat(totalDuration-renderDuration)};258});259consoleTable(table);260}261function printInclusive(flushHistory){262if(!__DEV__){263warnInProduction();264return;265}266var stats=getInclusive(flushHistory);267var table=stats.map(function(item){var268key=item.key,instanceCount=item.instanceCount,inclusiveRenderDuration=item.inclusiveRenderDuration,renderCount=item.renderCount;269return{270'Owner > Component':key,271'Inclusive render time (ms)':roundFloat(inclusiveRenderDuration),272'Instance count':instanceCount,273'Render count':renderCount};274});275consoleTable(table);276}277function printWasted(flushHistory){278if(!__DEV__){279warnInProduction();280return;281}282var stats=getWasted(flushHistory);283var table=stats.map(function(item){var284key=item.key,instanceCount=item.instanceCount,inclusiveRenderDuration=item.inclusiveRenderDuration,renderCount=item.renderCount;285return{286'Owner > Component':key,287'Inclusive wasted time (ms)':roundFloat(inclusiveRenderDuration),288'Instance count':instanceCount,289'Render count':renderCount};290});291consoleTable(table);292}293function printOperations(flushHistory){294if(!__DEV__){295warnInProduction();296return;297}298var stats=getOperations(flushHistory);299var table=stats.map(function(stat){return{300'Owner > Node':stat.key,301'Operation':stat.type,302'Payload':typeof stat.payload==='object'?303JSON.stringify(stat.payload):304stat.payload,305'Flush index':stat.flushIndex,306'Owner Component ID':stat.ownerID,307'DOM Component ID':stat.instanceID};});308consoleTable(table);309}310var warnedAboutPrintDOM=false;311function printDOM(measurements){312warning(313warnedAboutPrintDOM,314'`ReactPerf.printDOM(...)` is deprecated. Use '+315'`ReactPerf.printOperations(...)` instead.');316warnedAboutPrintDOM=true;317return printOperations(measurements);318}319var warnedAboutGetMeasurementsSummaryMap=false;320function getMeasurementsSummaryMap(measurements){321warning(322warnedAboutGetMeasurementsSummaryMap,323'`ReactPerf.getMeasurementsSummaryMap(...)` is deprecated. Use '+324'`ReactPerf.getWasted(...)` instead.');325warnedAboutGetMeasurementsSummaryMap=true;326return getWasted(measurements);327}328function start(){329if(!__DEV__){330warnInProduction();331return;332}333ReactDebugTool.beginProfiling();334}335function stop(){336if(!__DEV__){337warnInProduction();338return;339}340ReactDebugTool.endProfiling();...

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711832ReactPerf.js

Source:711832ReactPerf.js Github

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...135instanceCount:Object.keys(affectedIDs[key]).length});}).136sort(function(a,b){return(137b.inclusiveRenderDuration-a.inclusiveRenderDuration);});138}139function getWasted(){var flushHistory=arguments.length>0&&arguments[0]!==undefined?arguments[0]:getLastMeasurements();140if(!__DEV__){141warnInProduction();142return[];143}144var aggregatedStats={};145var affectedIDs={};146function updateAggregatedStats(treeSnapshot,instanceID,applyUpdate){var _treeSnapshot$instanc2=147treeSnapshot[instanceID],displayName=_treeSnapshot$instanc2.displayName,ownerID=_treeSnapshot$instanc2.ownerID;148var owner=treeSnapshot[ownerID];149var key=(owner?owner.displayName+' > ':'')+displayName;150var stats=aggregatedStats[key];151if(!stats){152affectedIDs[key]={};153stats=aggregatedStats[key]={154key:key,155instanceCount:0,156inclusiveRenderDuration:0,157renderCount:0};158}159affectedIDs[key][instanceID]=true;160applyUpdate(stats);161}162flushHistory.forEach(function(flush){var163measurements=flush.measurements,treeSnapshot=flush.treeSnapshot,operations=flush.operations;164var isDefinitelyNotWastedByID={};165operations.forEach(function(operation){var166instanceID=operation.instanceID;167var nextParentID=instanceID;168while(nextParentID){169isDefinitelyNotWastedByID[nextParentID]=true;170nextParentID=treeSnapshot[nextParentID].parentID;171}172});173var renderedCompositeIDs={};174measurements.forEach(function(measurement){var175instanceID=measurement.instanceID,timerType=measurement.timerType;176if(timerType!=='render'){177return;178}179renderedCompositeIDs[instanceID]=true;180});181measurements.forEach(function(measurement){var182duration=measurement.duration,instanceID=measurement.instanceID,timerType=measurement.timerType;183if(timerType!=='render'){184return;185}var186updateCount=treeSnapshot[instanceID].updateCount;187if(isDefinitelyNotWastedByID[instanceID]||updateCount===0){188return;189}190updateAggregatedStats(treeSnapshot,instanceID,function(stats){191stats.renderCount++;192});193var nextParentID=instanceID;194while(nextParentID){195var isWasted=196renderedCompositeIDs[nextParentID]&&197!isDefinitelyNotWastedByID[nextParentID];198if(isWasted){199updateAggregatedStats(treeSnapshot,nextParentID,function(stats){200stats.inclusiveRenderDuration+=duration;201});202}203nextParentID=treeSnapshot[nextParentID].parentID;204}205});206});207return Object.keys(aggregatedStats).208map(function(key){return babelHelpers.extends({},209aggregatedStats[key],{210instanceCount:Object.keys(affectedIDs[key]).length});}).211sort(function(a,b){return(212b.inclusiveRenderDuration-a.inclusiveRenderDuration);});213}214function getOperations(){var flushHistory=arguments.length>0&&arguments[0]!==undefined?arguments[0]:getLastMeasurements();215if(!__DEV__){216warnInProduction();217return[];218}219var stats=[];220flushHistory.forEach(function(flush,flushIndex){var221operations=flush.operations,treeSnapshot=flush.treeSnapshot;222operations.forEach(function(operation){var223instanceID=operation.instanceID,type=operation.type,payload=operation.payload;var _treeSnapshot$instanc3=224treeSnapshot[instanceID],displayName=_treeSnapshot$instanc3.displayName,ownerID=_treeSnapshot$instanc3.ownerID;225var owner=treeSnapshot[ownerID];226var key=(owner?owner.displayName+' > ':'')+displayName;227stats.push({228flushIndex:flushIndex,229instanceID:instanceID,230key:key,231type:type,232ownerID:ownerID,233payload:payload});234});235});236return stats;237}238function printExclusive(flushHistory){239if(!__DEV__){240warnInProduction();241return;242}243var stats=getExclusive(flushHistory);244var table=stats.map(function(item){var245key=item.key,instanceCount=item.instanceCount,totalDuration=item.totalDuration;246var renderCount=item.counts.render||0;247var renderDuration=item.durations.render||0;248return{249'Component':key,250'Total time (ms)':roundFloat(totalDuration),251'Instance count':instanceCount,252'Total render time (ms)':roundFloat(renderDuration),253'Average render time (ms)':renderCount?254roundFloat(renderDuration/renderCount):255undefined,256'Render count':renderCount,257'Total lifecycle time (ms)':roundFloat(totalDuration-renderDuration)};258});259consoleTable(table);260}261function printInclusive(flushHistory){262if(!__DEV__){263warnInProduction();264return;265}266var stats=getInclusive(flushHistory);267var table=stats.map(function(item){var268key=item.key,instanceCount=item.instanceCount,inclusiveRenderDuration=item.inclusiveRenderDuration,renderCount=item.renderCount;269return{270'Owner > Component':key,271'Inclusive render time (ms)':roundFloat(inclusiveRenderDuration),272'Instance count':instanceCount,273'Render count':renderCount};274});275consoleTable(table);276}277function printWasted(flushHistory){278if(!__DEV__){279warnInProduction();280return;281}282var stats=getWasted(flushHistory);283var table=stats.map(function(item){var284key=item.key,instanceCount=item.instanceCount,inclusiveRenderDuration=item.inclusiveRenderDuration,renderCount=item.renderCount;285return{286'Owner > Component':key,287'Inclusive wasted time (ms)':roundFloat(inclusiveRenderDuration),288'Instance count':instanceCount,289'Render count':renderCount};290});291consoleTable(table);292}293function printOperations(flushHistory){294if(!__DEV__){295warnInProduction();296return;297}298var stats=getOperations(flushHistory);299var table=stats.map(function(stat){return{300'Owner > Node':stat.key,301'Operation':stat.type,302'Payload':typeof stat.payload==='object'?303JSON.stringify(stat.payload):304stat.payload,305'Flush index':stat.flushIndex,306'Owner Component ID':stat.ownerID,307'DOM Component ID':stat.instanceID};});308consoleTable(table);309}310var warnedAboutPrintDOM=false;311function printDOM(measurements){312warning(313warnedAboutPrintDOM,314'`ReactPerf.printDOM(...)` is deprecated. Use '+315'`ReactPerf.printOperations(...)` instead.');316warnedAboutPrintDOM=true;317return printOperations(measurements);318}319var warnedAboutGetMeasurementsSummaryMap=false;320function getMeasurementsSummaryMap(measurements){321warning(322warnedAboutGetMeasurementsSummaryMap,323'`ReactPerf.getMeasurementsSummaryMap(...)` is deprecated. Use '+324'`ReactPerf.getWasted(...)` instead.');325warnedAboutGetMeasurementsSummaryMap=true;326return getWasted(measurements);327}328function start(){329if(!__DEV__){330warnInProduction();331return;332}333ReactDebugTool.beginProfiling();334}335function stop(){336if(!__DEV__){337warnInProduction();338return;339}340ReactDebugTool.endProfiling();...

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TimeWasted.js

Source:TimeWasted.js Github

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1import React, { Component } from 'react';2import ChartComponent from './ChartComponent';3import excludedComponents from '../constants/excludedComponents';4import formatTime from '../utils/formatTime';5class TimeWasted extends Component {6 constructor(props) {7 super(props);8 this.state = {9 recording: false,10 measurements: [],11 activeMeasurement: 0,12 };13 }14 componentWillReceiveProps(nextProps) {15 }16 componentWillUpdate(nextProps, nextState) {17 }18 onMeasurementChange(measurement) {19 const measurementIndex = this.state.measurements.findIndex(m => m.createdAt === measurement.createdAt);20 this.setState({ activeMeasurement: measurementIndex });21 }22 toggleRecord() {23 if (!this.state.recording) {24 this.props.perf.start();25 } else {26 this.props.perf.stop();27 this.printResults();28 }29 this.setState({ recording: !this.state.recording });30 }31 printResults() {32 const getMeasurements = this.props.perf.getWasted ? this.props.perf.getWasted : this.props.perf.getMeasurementsSummaryMap;33 const measurements = getMeasurements(this.props.perf._allMeasurements)34 .filter(measurement => {35 const label = measurement.key.split(' > ').pop();36 return !excludedComponents.includes(label);37 });38 const timeWasted = {39 measurements,40 createdAt: new Date().getTime(),41 };42 const nState = this.state.measurements.concat(timeWasted);43 this.setState({ measurements: nState, activeMeasurement: (nState.length - 1) });44 }45 removeMeasurement(measurement) {46 const index = this.state.measurements.findIndex(m => m.createdAt === measurement.createdAt);47 const measurements = Object.assign([], this.state.measurements);48 measurements.splice(index, 1);49 this.setState({ measurements });50 }51 render() {52 return (<div className="time-wasted">53 <div className="left-hand">54 <div className="tools">55 <button56 onClick={this.toggleRecord.bind(this)}57 className={`recButton ${this.state.recording ? 'active' : null}`}58 />59 </div>60 {this.state.measurements.length > 0 ?61 <ul className="measurements">62 {this.state.measurements.map((measurement, i) => (<li63 className={`measurement ${i === this.state.activeMeasurement ? 'active' : ''}`}64 key={i}65 onClick={this.onMeasurementChange.bind(this, measurement)}66 >67 {formatTime(measurement.createdAt)}68 <button className="removeMeasurement x-button" onClick={this.removeMeasurement.bind(this, measurement)}>×</button>69 </li>)70 )}71 </ul> : <div className="no-measurements">No measurements yet, record to view some results</div>}72 </div>73 <div className="right-hand">74 {this.state.measurements[this.state.activeMeasurement] &&75 <ChartComponent76 width={10}77 height={10}78 label="Time wasted in miliseconds"79 measurement={this.state.measurements[this.state.activeMeasurement]}80 />81 }82 </div>83 </div>);84 }85}...

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index.js

Source:index.js Github

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...42function printPerfResults() {43 Perf.stop();44 Perf.printInclusive();45 Perf.printWasted();46 const totalWastedRenders = Perf.getWasted().reduce(47 (total, v) => total + v.renderCount,48 049 );50 const totalWastedTime = Perf.getWasted().reduce(51 (total, v) => total + v.inclusiveRenderDuration,52 053 );54 const totalRenderTime = Perf.getInclusive().find(v => v.key === 'PerfTest')55 .inclusiveRenderDuration;56 console.log('Render time:', Math.round(totalRenderTime), 'ms');57 console.log('Wasted time:', Math.round(totalWastedTime), 'ms');58 console.log('Wasted renders:', totalWastedRenders);...

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Using AI Code Generation

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.waitForTimeout(1000);7 const wasted = await page.getWasted();8 console.log(wasted);9 await browser.close();10})();

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Using AI Code Generation

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1(async () => {2 const { chromium } = require('playwright');3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 const wasted = await page.evaluate(() => window.playwright.getWasted());7 console.log(wasted);8})();9{

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Using AI Code Generation

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1const { getWasted } = require('playwright/lib/utils/utils');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch({ headless: false });5 const context = await browser.newContext();6 const page = await context.newPage();7 await page.click('text=Google apps');8 const wasted = getWasted();9 console.log(wasted);10 await browser.close();11})();

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Using AI Code Generation

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1const { chromium } = require('playwright');2const { getWasted } = require('playwright/lib/server/trace/recorder/recorderApp');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 await page.click('text=More information...');8 await page.close();9 const wasted = getWasted(page);10 console.log(wasted);11 await browser.close();12})();13 {14 },15 {16 },17 {18 },19 {20 },21 {22 },23 {24 },25 {

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Using AI Code Generation

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1const { getWasted } = require('@playwright/test/lib/utils/utils');2const { chromium } = require('@playwright/test');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 const wasted = getWasted(page);8 console.log(wasted);9 await browser.close();10})();11const { getWasted } = require('@playwright/test/lib/utils/utils');12const { chromium } = require('@playwright/test');13(async () => {14 const browser = await chromium.launch();15 const context = await browser.newContext();16 const page = await context.newPage();17 const frame = page.frames()[1];18 const wasted = getWasted(frame);19 console.log(wasted);20 await browser.close();21})();22const { getWasted } = require('@playwright/test/lib/utils/utils');23const { chromium } = require('@playwright/test');24(async () => {25 const browser = await chromium.launch();26 const context = await browser.newContext();27 const page = await context.newPage();28 const frame = page.frames()[1];29 console.log(wasted);30 await browser.close();31})();32const { getWasted }

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Using AI Code Generation

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1const { getWasted } = require('@playwright/test/lib/utils/wasteful');2(async () => {3 const wasted = await getWasted();4 console.log(wasted);5})();6const { test } = require('@playwright/test');7test('wasted time', async ({ page, getWasted }) => {8 const wasted = await getWasted();9 console.log(wasted);10});

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Using AI Code Generation

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1const playwright = require('playwright');2const { getWasted } = require('playwright/lib/utils/utils');3(async () => {4 const browser = await playwright.chromium.launch({ headless: false });5 const context = await browser.newContext();6 const page = await context.newPage();7 const wasted = getWasted(page);8 console.log(wasted);9 await browser.close();10})();11const playwright = require('playwright');12(async () => {13 const browser = await playwright.chromium.launch({ headless: false });14 const context = await browser.newContext();15 const page = await context.newPage();16 await page.waitForTimeout(3000);17 const wasted = getWasted(page);18 console.log(wasted);19 await browser.close();20})();

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Playwright tutorial

LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.

Chapters:

  1. What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
  2. How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
  3. Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
  4. What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
  5. Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
  6. Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
  7. Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
  8. Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
  9. Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
  10. Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
  11. Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
  12. Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.

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