ce4c83ff
 wxy
初始提交
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/**
* Created by sail on 2017/6/11.
*/
const fs = require('fs')
const path = require('path')
const rollup = require('rollup')
const uglify = require('uglify-js')
const zlib = require('zlib')
const configs = require('./config')
if (!fs.existsSync('dist')) {
fs.mkdirSync('dist')
}
build(configs)
function build (builds) {
let built = 0
const total = builds.length
const next = () => {
buildEntry(builds[built]).then(() => {
built++
if (built < total) {
next()
}
}).catch(logError)
}
next()
}
function buildEntry (config) {
const output = config.output
const { file, banner } = output
const isProd = /min\.js$/.test(file)
return rollup.rollup(config)
.then(bundle => bundle.generate(output))
.then(({ code }) => {
if (isProd) {
var minified = (banner ? banner + '\n' : '') + uglify.minify(code, {
output: {
/* eslint-disable camelcase */
ascii_only: true
/* eslint-enable camelcase */
}
}).code
return write(output.file, minified, true)
} else {
return write(output.file, code)
}
})
}
function write (dest, code, zip) {
return new Promise((resolve, reject) => {
function report (extra) {
console.log(blue(path.relative(process.cwd(), dest)) + ' ' + getSize(code) + (extra || ''))
resolve()
}
fs.writeFile(dest, code, err => {
if (err) return reject(err)
if (zip) {
zlib.gzip(code, (err, zipped) => {
if (err) return reject(err)
report(' (gzipped: ' + getSize(zipped) + ')')
})
} else {
report()
}
})
})
}
function getSize (code) {
return (code.length / 1024).toFixed(2) + 'kb'
}
function logError (e) {
console.log(e)
}
function blue (str) {
return '\x1b[1m\x1b[34m' + str + '\x1b[39m\x1b[22m'
}
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