68 lines
1.8 KiB
JavaScript
68 lines
1.8 KiB
JavaScript
module.exports = function formatStats (stats, dir, api) {
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const fs = require('fs')
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const path = require('path')
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const zlib = require('zlib')
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const chalk = require('chalk')
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const ui = require('cliui')({ width: 80 })
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const json = stats.toJson({
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hash: false,
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modules: false,
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chunks: false
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})
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let assets = json.assets
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? json.assets
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: json.children.reduce((acc, child) => acc.concat(child.assets), [])
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const seenNames = new Map()
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const isJS = val => /\.js$/.test(val)
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const isCSS = val => /\.css$/.test(val)
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const isMinJS = val => /\.min\.js$/.test(val)
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assets = assets
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.filter(a => {
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if (seenNames.has(a.name)) {
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return false
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}
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seenNames.set(a.name, true)
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return isJS(a.name) || isCSS(a.name)
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})
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.sort((a, b) => {
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if (isJS(a.name) && isCSS(b.name)) return -1
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if (isCSS(a.name) && isJS(b.name)) return 1
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if (isMinJS(a.name) && !isMinJS(b.name)) return -1
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if (!isMinJS(a.name) && isMinJS(b.name)) return 1
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return b.size - a.size
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})
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function formatSize (size) {
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return (size / 1024).toFixed(2) + ' KiB'
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}
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function getGzippedSize (asset) {
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const filepath = api.resolve(path.join(dir, asset.name))
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const buffer = fs.readFileSync(filepath)
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return formatSize(zlib.gzipSync(buffer).length)
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}
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function makeRow (a, b, c) {
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return ` ${a}\t ${b}\t ${c}`
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}
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ui.div(
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makeRow(
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chalk.cyan.bold(`File`),
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chalk.cyan.bold(`Size`),
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chalk.cyan.bold(`Gzipped`)
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) + `\n\n` +
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assets.map(asset => makeRow(
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/js$/.test(asset.name)
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? chalk.green(path.join(dir, asset.name))
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: chalk.blue(path.join(dir, asset.name)),
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formatSize(asset.size),
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getGzippedSize(asset)
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)).join(`\n`)
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)
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return `${ui.toString()}\n\n ${chalk.gray(`Images and other types of assets omitted.`)}\n`
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}
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