78 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			78 lines
		
	
	
		
			2.2 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 ui = require('cliui')({ width: process.stdout.columns || 80 })
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  const { chalk } = require('@vue/cli-shared-utils')
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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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    .map(a => {
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      a.name = a.name.split('?')[0]
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      return a
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    })
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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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  const time = stats.endTime - stats.startTime
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  const now = new Date().toISOString()
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  const hash = stats.hash
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  const info = `Build at: ${chalk.white(now)} - Hash: ${chalk.white(hash)} - Time: ${chalk.white(time)}ms`
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  return `${ui.toString()}\n\n  ${chalk.gray(`Images and other types of assets omitted.`)}\n  ${info}\n`
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}
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