mirror of
https://github.com/primer/css.git
synced 2024-12-25 07:03:35 +03:00
114 lines
2.9 KiB
JavaScript
Executable File
114 lines
2.9 KiB
JavaScript
Executable File
#!/usr/bin/env node
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const {join} = require('path')
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const filesize = require('filesize')
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const {table} = require('table')
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// ensure that K and B values line up vertically
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const filesizeConfig = {symbols: {KB: 'K'}}
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const prettySize = bytes => filesize(bytes, filesizeConfig)
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function getBundles(path) {
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const meta = require(join(path, './dist/meta.json'))
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let metaBundles = Object.values(meta.bundles)
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// fitler out support bundles, since they don't generate CSS
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metaBundles = metaBundles.filter(bundle => !isSupportBundleName(bundle.name))
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const bundles = {}
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for (const bundle of metaBundles) {
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const entry = {
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name: bundle.name,
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path: bundle.css,
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stats: require(join(path, `./${bundle.stats}`))
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}
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bundles[bundle.name] = entry
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}
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return bundles
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}
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const tableOptions = {
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singleLine: true,
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border: {
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topBody: '',
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topJoin: '',
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topLeft: '',
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topRight: '',
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bottomBody: '',
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bottomJoin: '',
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bottomLeft: '',
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bottomRight: '',
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bodyLeft: '|',
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bodyRight: '|',
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bodyJoin: '|',
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joinBody: '',
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joinLeft: '',
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joinRight: '',
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joinJoin: ''
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}
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}
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// const sortByName = (a, b) => (a[0] < b[0] ? -1 : a[0] > b[0] ? 1 : 0)
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const sortByGZipSize = (a, b) => b[3] - a[3]
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// const sortByRawSize = (a, b) => b[5] - a[5]
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const posNeg = v => (v > 0 ? '+ ' : v < 0 ? '- ' : '')
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;(async () => {
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const currentBundles = getBundles(join(__dirname, '../'))
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const latestBundles = getBundles(join(__dirname, '../tmp/node_modules/@primer/css/'))
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let data = []
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// Build the rows
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for (const name of Object.keys(currentBundles)) {
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const current = currentBundles[name]
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const latest = latestBundles[name]
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const delta = [
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current.stats.selectors.total - latest.stats.selectors.total,
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current.stats.gzipSize - latest.stats.gzipSize,
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current.stats.size - latest.stats.size
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].reduce((a, b) => a + b, 0)
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if (delta !== 0) {
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data.push([
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current.name,
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current.stats.selectors.total,
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current.stats.selectors.total - latest.stats.selectors.total,
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current.stats.gzipSize,
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current.stats.gzipSize - latest.stats.gzipSize,
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current.stats.size,
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current.stats.size - latest.stats.size
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])
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}
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}
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// Sort the data
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data = data.sort(sortByGZipSize)
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// Beautify the data
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data = data.map(row => {
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row[2] = posNeg(row[2]) + `${row[2]}`.replace('-', '')
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row[3] = prettySize(row[3])
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row[4] = posNeg(row[4]) + `${prettySize(row[4])}`.replace('-', '')
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row[5] = prettySize(row[5])
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row[6] = posNeg(row[6]) + `${prettySize(row[6])}`.replace('-', '')
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return row
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})
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// Adding header
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data = [
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['name', 'selectors', '±', 'gzip size', '±', 'raw size', '±'],
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[':-', '-:', '-:', '-:', '-:', '-:', '-:']
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].concat(data)
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console.log(table(data, tableOptions))
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})()
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function isSupportBundleName(bundleName) {
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// "support", "marketing-support", and any future ones?
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return bundleName.endsWith('support')
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}
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