element-plus/build/build-locale.js

/* eslint-disable */
const fs = require('fs')
const save = require('file-save')
const { resolve, basename } = require('path')
const localePath = resolve(__dirname, '../packages/locale/lang')
const fileList = fs.readdirSync(localePath)

const transform = function(filename, name, cb) {
  require('@babel/core').transformFile(resolve(localePath, filename), {
    plugins: [
      '@babel/plugin-transform-modules-umd',
    ],
    moduleId: name,
  }, cb)
}

fileList
  .filter(function(file) {
    return /\.ts$/.test(file)
  })
  .forEach(function(file) {
    const name = basename(file, '.ts')

    transform(file, name, function(err, result) {
      if (err) {
        console.error(err)
      } else {
        const code = result.code
        const transformedCode = code
          .replace('define(\"', 'define(\"element/locale/')
          .replace(
            /global\.(\S*) = mod.exports/,
            'global.ELEMENT.lang = global.ELEMENT.lang || {};\n    global.ELEMENT.lang.$1 = mod.exports.default'
          )

        save(resolve(__dirname, '../lib/umd/locale', `${name}.js`)).write(transformedCode)
      }
    })
  })