src/script.js

import {
    parseScript
} from './parser'

module.exports = function (source) {
  this.cacheable && this.cacheable()

  const callback = this.async()

  parseScript(source)
        .then(({ parsed }) => {
          let requireList = parsed.match(/require\([^()]+?\)/g)

          if (requireList && requireList.length > 0) {
            requireList = requireList.filter(str => {
              if (str.indexOf('@weex-module') < 0) {
                parsed = parsed.replace(str, '')
                return true
              }
              return false
            }).join('\n')
          }

          const result = `
${requireList || ''}
module.exports = function(require, exports, module){
    ${parsed}
}
`
          callback(null, result)
        }).catch(e => {
          callback(e, '')
        })
}