Files
YellowLabTools/app/public/scripts/resultsCtrl.js
T

406 lines
14 KiB
JavaScript

var app = angular.module('Results', []);
app.controller('ResultsCtrl', function ($scope) {
// Grab results from nodeJS served page
$scope.phantomasResults = window._phantomas_results;
$scope.view = 'summary';
if ($scope.phantomasResults.metrics && $scope.phantomasResults.offenders && $scope.phantomasResults.offenders.javascriptExecutionTree) {
// Get the execution tree from the offenders
$scope.javascript = JSON.parse($scope.phantomasResults.offenders.javascriptExecutionTree);
// Sort globalVariables offenders alphabetically
if ($scope.phantomasResults.offenders.globalVariables) {
$scope.phantomasResults.offenders.globalVariables.sort();
}
initSummaryView();
initJSTimelineView();
}
$scope.setView = function(viewName) {
$scope.view = viewName;
};
$scope.onNodeDetailsClick = function(node) {
var isOpen = node.data.showDetails;
if (!isOpen) {
// Close all other nodes
$scope.javascript.children.forEach(function(currentNode) {
currentNode.data.showDetails = false;
});
// Parse the backtrace
if (!node.data.parsedBacktrace) {
node.data.parsedBacktrace = parseBacktrace(node.data.backtrace);
}
}
node.data.showDetails = !isOpen;
};
function initSummaryView() {
// Read the main elements of the tree and sum the total time
$scope.totalJSTime = 0;
$scope.inBodyDomManipulations = 0;
treeRunner($scope.javascript, function(node) {
if (node.data.time) {
$scope.totalJSTime += node.data.time;
}
if (node.data.timestamp < $scope.phantomasResults.metrics.domInteractive &&
node.data.type !== 'jQuery - onDOMReady') {
$scope.inBodyDomManipulations ++;
}
if (node.data.type !== 'main') {
// Don't check the children
return false;
}
});
// Grab the notes
$scope.notations = {
domComplexity: getDomComplexityScore(),
jsDomManipulations: getJsDomManipulationsScore(),
jsBadPractices: getJSBadPracticesScore(),
jQueryLoading: getJQueryLoadingScore(),
cssComplexity: getCSSComplexityScore(),
badCss: getBadCssScore(),
requests: requestsScore(),
network: networkScore()
};
}
function initJSTimelineView() {
if (!$scope.javascript.children) {
return;
}
// Read the execution tree and adjust the navigation timings (cause their not very well synchronised)
treeRunner($scope.javascript, function(node) {
switch(node.data.type) {
case 'domInteractive':
$scope.phantomasResults.metrics.domInteractive = node.data.timestamp;
break;
case 'domContentLoaded':
$scope.phantomasResults.metrics.domContentLoaded = node.data.timestamp;
break;
case 'domContentLoadedEnd':
$scope.phantomasResults.metrics.domContentLoadedEnd = node.data.timestamp;
break;
case 'domComplete':
$scope.phantomasResults.metrics.domComplete = node.data.timestamp;
break;
}
if (node.data.type !== 'main') {
// Don't check the children
return false;
}
});
// Now read the tree and display it on a timeline
// Split the timeline into 200 intervals
var numberOfIntervals = 199;
var lastEvent = $scope.javascript.children[$scope.javascript.children.length - 1];
$scope.endTime = lastEvent.data.timestamp + (lastEvent.data.time || 0);
$scope.timelineIntervalDuration = $scope.endTime / numberOfIntervals;
// Pre-fill array of as many elements as there are milleseconds
var millisecondsArray = Array.apply(null, new Array($scope.endTime + 1)).map(Number.prototype.valueOf,0);
// Create the milliseconds array from the execution tree
treeRunner($scope.javascript, function(node) {
if (node.data.time !== undefined) {
// Ignore artefacts (durations > 100ms)
var time = Math.min(node.data.time, 100) || 1;
for (var i=node.data.timestamp, max=node.data.timestamp + time ; i<max ; i++) {
millisecondsArray[i] |= 1;
}
}
if (node.data.type !== 'main') {
// Don't check the children
return false;
}
});
// Pre-fill array of 200 elements
$scope.timeline = Array.apply(null, new Array(numberOfIntervals + 1)).map(Number.prototype.valueOf,0);
// Create the timeline from the milliseconds array
millisecondsArray.forEach(function(value, timestamp) {
if (value === 1) {
$scope.timeline[Math.floor(timestamp / $scope.timelineIntervalDuration)] += 1;
}
});
// Get the maximum value of the array (needed for display)
$scope.timelineMax = Math.max.apply(Math, $scope.timeline);
}
function getDomComplexityScore() {
var note = 'A';
var score = $scope.phantomasResults.metrics.DOMelementsCount +
Math.pow($scope.phantomasResults.metrics.DOMelementMaxDepth, 2) +
$scope.phantomasResults.metrics.iframesCount * 50 +
$scope.phantomasResults.metrics.DOMidDuplicated * 25;
if (score > 1000) {
note = 'B';
}
if (score > 1500) {
note = 'C';
}
if (score > 2000) {
note = 'D';
}
if (score > 3000) {
note = 'E';
}
if (score > 4000) {
note = 'F';
}
return note;
}
function getJsDomManipulationsScore() {
var note = 'A';
var score = $scope.phantomasResults.metrics.DOMinserts * 2 +
$scope.phantomasResults.metrics.DOMqueries +
$scope.phantomasResults.metrics.DOMqueriesAvoidable * 2 +
$scope.phantomasResults.metrics.eventsBound;
if (score > 300) {
note = 'B';
}
if (score > 500) {
note = 'C';
}
if (score > 700) {
note = 'D';
}
if (score > 1000) {
note = 'E';
}
if (score > 1400) {
note = 'F';
}
return note;
}
function getJSBadPracticesScore() {
var note = 'A';
var score = $scope.phantomasResults.metrics.documentWriteCalls * 3 +
$scope.phantomasResults.metrics.evalCalls * 2 +
$scope.phantomasResults.metrics.jsErrors * 10 +
$scope.phantomasResults.metrics.consoleMessages / 2 +
$scope.phantomasResults.metrics.globalVariables / 20 +
Math.sqrt($scope.inBodyDomManipulations);
if (score > 10) {
note = 'B';
}
if (score > 15) {
note = 'C';
}
if (score > 20) {
note = 'D';
}
if (score > 30) {
note = 'E';
}
if (score > 45) {
note = 'F';
}
return note;
}
function getJQueryLoadingScore() {
var note = 'NA';
if ($scope.phantomasResults.metrics.jQueryDifferentVersions > 1) {
note = 'F';
} else if ($scope.phantomasResults.metrics.jQueryVersion) {
if ($scope.phantomasResults.metrics.jQueryVersion.indexOf('1.11.') === 0 ||
$scope.phantomasResults.metrics.jQueryVersion.indexOf('1.12.') === 0 ||
$scope.phantomasResults.metrics.jQueryVersion.indexOf('2.1.') === 0 ||
$scope.phantomasResults.metrics.jQueryVersion.indexOf('2.2.') === 0) {
note = 'A';
} else if ($scope.phantomasResults.metrics.jQueryVersion.indexOf('1.9.') === 0 ||
$scope.phantomasResults.metrics.jQueryVersion.indexOf('1.10.') === 0 ||
$scope.phantomasResults.metrics.jQueryVersion.indexOf('2.0.') === 0) {
note = 'B';
} else if ($scope.phantomasResults.metrics.jQueryVersion.indexOf('1.7.') === 0 ||
$scope.phantomasResults.metrics.jQueryVersion.indexOf('1.8.') === 0) {
note = 'C';
} else if ($scope.phantomasResults.metrics.jQueryVersion.indexOf('1.5.') === 0 ||
$scope.phantomasResults.metrics.jQueryVersion.indexOf('1.6.') === 0) {
note = 'D';
} else if ($scope.phantomasResults.metrics.jQueryVersion.indexOf('1.2.') === 0 ||
$scope.phantomasResults.metrics.jQueryVersion.indexOf('1.3.') === 0 ||
$scope.phantomasResults.metrics.jQueryVersion.indexOf('1.4.') === 0) {
note = 'E';
}
}
return note;
}
function getCSSComplexityScore() {
if (!$scope.phantomasResults.metrics.cssRules) {
return 'NA';
}
var note = 'A';
var score = $scope.phantomasResults.metrics.cssRules +
$scope.phantomasResults.metrics.cssComplexSelectors * 5 +
$scope.phantomasResults.metrics.cssComplexSelectorsByAttribute * 10;
if (score > 800) {
note = 'B';
}
if (score > 1200) {
note = 'C';
}
if (score > 2500) {
note = 'D';
}
if (score > 4000) {
note = 'E';
}
if (score > 6000) {
note = 'F';
}
return note;
}
function getBadCssScore() {
if ($scope.phantomasResults.metrics.cssParsingErrors) {
return 'F';
} else if (!$scope.phantomasResults.metrics.cssRules) {
return 'NA';
}
var note = 'A';
var score = $scope.phantomasResults.metrics.cssDuplicatedSelectors +
$scope.phantomasResults.metrics.cssDuplicatedProperties +
$scope.phantomasResults.metrics.cssEmptyRules +
$scope.phantomasResults.metrics.cssExpressions * 10 +
$scope.phantomasResults.metrics.cssImportants * 2 +
$scope.phantomasResults.metrics.cssOldIEFixes * 10 +
$scope.phantomasResults.metrics.cssOldPropertyPrefixes +
$scope.phantomasResults.metrics.cssUniversalSelectors * 5 +
$scope.phantomasResults.metrics.cssRedundantBodySelectors * 0.5 +
$scope.phantomasResults.metrics.cssRedundantChildNodesSelectors * 0.5 +
$scope.phantomasResults.metrics.cssImports * 50;
if (score > 50) {
note = 'B';
}
if (score > 100) {
note = 'C';
}
if (score > 200) {
note = 'D';
}
if (score > 500) {
note = 'E';
}
if (score > 1000) {
note = 'F';
}
return note;
}
function requestsScore() {
var note = 'A';
var score = $scope.phantomasResults.metrics.requests;
if (score > 30) {
note = 'B';
}
if (score > 45) {
note = 'C';
}
if (score > 60) {
note = 'D';
}
if (score > 80) {
note = 'E';
}
if (score > 100) {
note = 'F';
}
return note;
}
function networkScore() {
var note = 'A';
var score = $scope.phantomasResults.metrics.notFound * 25 +
$scope.phantomasResults.metrics.closedConnections * 10 +
$scope.phantomasResults.metrics.multipleRequests * 10 +
$scope.phantomasResults.metrics.cachingDisabled * 2 +
$scope.phantomasResults.metrics.cachingNotSpecified +
$scope.phantomasResults.metrics.cachingTooShort / 2 +
$scope.phantomasResults.metrics.domains;
if (score > 20) {
note = 'B';
}
if (score > 40) {
note = 'C';
}
if (score > 60) {
note = 'D';
}
if (score > 80) {
note = 'E';
}
if (score > 100) {
note = 'F';
}
return note;
}
function parseBacktrace(str) {
if (!str) {
return null;
}
var out = [];
var splited = str.split(' / ');
splited.forEach(function(trace) {
var result = /^(\S*)\s?\(?(https?:\/\/\S+):(\d+)\)?$/g.exec(trace);
if (result && result[2].length > 0) {
var filePath = result[2];
var chunks = filePath.split('/');
var fileName = chunks[chunks.length - 1];
out.push({
fnName: result[1],
fileName: fileName,
filePath: filePath,
line: result[3]
});
}
});
return out;
}
// Goes on every node of the tree and calls the function fn. If fn returns false on a node, its children won't be checked.
function treeRunner(node, fn) {
if (fn(node) !== false && node.children) {
node.children.forEach(function(child) {
treeRunner(child, fn);
});
}
}
});