@ntbl/validator/config/config.js

一个内置验证规则的数据验证库

const path = require('path')
const buble = require('rollup-plugin-buble')
const alias = require('rollup-plugin-alias')
const cjs = require('rollup-plugin-commonjs')
const replace = require('rollup-plugin-replace')
const node = require('rollup-plugin-node-resolve')
const flow = require('rollup-plugin-flow-no-whitespace')
const version = require('../package.json').version
const moduleName = 'validator'

// 文件头声明
const banner =
  '/*!\n' +
  ` * Vue.js v${version}\n` +
  ` * (c) 2014-${new Date().getFullYear()} Evan You\n` +
  ' * Released under the MIT License.\n' +
  ' */'

const aliases = require('./alias')

const resolve = p => {
  const base = p.split('/')[0]
  if (aliases[base]) {
    return path.resolve(aliases[base], p.slice(base.length + 1))
  } else {
    return path.resolve(__dirname, '../', p)
  }
}

// 配置信息
/*
  entry S - 入口文件
  dest S - 目标文件（文件名带 .min 将会进行压缩）
  format S - 打包的格式类型（cjs, es, umd）
  banner S - 文件头声明
  moduleName S - 指定包名
  alias O - 别名
  plugins A - 插件
  external A - 忽略的包
 */
const builds = {
  'cjs': {
    entry: resolve('src/index.js'),
    dest: resolve(`dist/${moduleName}.cjs.js`),
    format: 'cjs',
    env: 'development',
    banner,
    external: ['validator'],
  },
  'es': {
    entry: resolve('src/index.js'),
    dest: resolve(`dist/${moduleName}.es.js`),
    format: 'es',
    env: 'development',
    banner,
    external: ['validator'],
  },
}

function genConfig (name) {
  const opts = builds[name]
  const config = {
    input: opts.entry,
    external: opts.external,
    plugins: [
      flow(),
      alias(Object.assign({}, aliases, opts.format))
    ].concat(opts.plugins || []),
    output: {
      file: opts.dest,
      format: opts.format,
      banner: opts.banner,
      name: opts.moduleName || moduleName
    },
    onwarn: (msg, warn) => {
      if (!/Circular/.test(msg)) {
        warn(msg)
      }
    }
  }

  // 替换打包文件中的变量
  const vars = {
    __WEEX__: !!opts.weex,
    __VERSION__: version
  }

  config.plugins.push(replace(vars))

  return config
}

if (process.env.TARGET) {
  module.exports = genConfig(process.env.TARGET)
} else {
  exports.getBuild = genConfig
  exports.getAllBuilds = () => Object.keys(builds).map(genConfig)
}