minify-html/bench/graph.js

87 lines
2.3 KiB
JavaScript

const chartjs = require('chartjs-node');
const fs = require('fs');
const path = require('path');
const tests = require('./tests');
const colours = {
'hyperbuild': '#041f60',
'hyperbuild-nodejs': '#0476d0',
'minimize': '#3cacae',
'html-minifier': '#5d6c89',
};
const chartOptions = (title, displayLegend, yTick = t => t) => ({
options: {
title: {
display: true,
text: title,
},
scales: {
xAxes: [{
barPercentage: 0.75,
gridLines: {
color: '#ccc',
},
ticks: {
fontColor: '#222',
},
}],
yAxes: [{
gridLines: {
color: '#666',
},
ticks: {
callback: yTick,
fontColor: '#222',
},
}],
},
legend: {
display: displayLegend,
labels: {
fontFamily: 'Ubuntu, sans-serif',
fontColor: '#000',
},
},
},
});
const renderChart = async (file, cfg) => {
const chart = new chartjs(435, 320);
await chart.drawChart(cfg);
await chart.writeImageToFile('image/png', path.join(__dirname, `${file}.png`));
};
(async () => {
const testNames = tests.map(t => t.name).sort();
const speedResults = JSON.parse(fs.readFileSync(path.join(__dirname, 'speed.json'), 'utf8'));
await renderChart('speed', {
type: 'bar',
data: {
labels: testNames,
datasets: ['hyperbuild', 'hyperbuild-nodejs', 'minimize', 'html-minifier'].map(program => ({
label: program,
backgroundColor: colours[program],
data: testNames.map(test => speedResults[test][program] / speedResults[test]['hyperbuild'] * 100),
})),
},
...chartOptions('Relative operations per second (higher is better)', true, tick => `${tick}%`),
});
const sizes = JSON.parse(fs.readFileSync(path.join(__dirname, 'minification.json'), 'utf8'));
await renderChart('minification', {
type: 'bar',
scaleFontColor: 'red',
data: {
labels: testNames,
datasets: ['hyperbuild-nodejs', 'html-minifier', 'minimize'].map(program => ({
label: program,
backgroundColor: colours[program],
data: testNames.map(test => sizes[test][program].relative * 100),
})),
},
...chartOptions('Relative minified HTML file size (lower is better)', true, tick => `${tick}%`),
});
})();