firescript/src/app.js

const path = require('path')
const fs = require('fs')
const FirescriptParser = require('./FirescriptParser')
const Parser = require('./Parser')
const JSParser = require('./JSParser')
const FirescriptTranspiler = require('./FirescriptTranspiler')
const JSTranspiler = require('./JSTranspiler')
const FSConfig = require('./utils/FSConfig')

module.exports = {
  FirescriptParser,
  FirescriptTranspiler,
  JSTranspiler,
  JSParser,
  Parser,
  tokenize (input, opts) {
    const parser = new FirescriptParser(opts)
    return parser.tokenize(input)
  },
  transpileFile (filename, opts = {}) {
    const ext = path.extname(filename)
    opts.type = opts.type || ext === '.fire' ? 'fire' : 'js'
    return this.transpile(fs.readFileSync(filename, 'utf8'), opts)
  },
  transpile (input, opts) {
    opts = Object.assign({
      type: 'fire'
    }, opts || {})

    let ast

    if (typeof input === 'string') {
      if (opts.verbose) console.log(`[TRANSPILER] Transpile source into ${opts.type === 'fire' ? 'Javascript' : 'Firescript'}`)
      const parser = opts.type === 'js' ? new JSParser(opts) : new FirescriptParser(opts)
      ast = parser.parse(input)
    } else {
      if (opts.verbose) console.log(`[TRANSPILER] Transpile AST into ${opts.type === 'fire' ? 'Javascript' : 'Firescript'}`)
      ast = input
    }

    if (opts.type === 'js') {
      const transpiler = new FirescriptTranspiler(opts)
      return transpiler.transpile(ast)
    } else {
      const fsConf = new FSConfig()
      if (opts && opts.features) {
        fsConf.merge({
          features: opts.features
        })
      }

      opts.features = fsConf.getConf('features')
      const transpiler = new JSTranspiler(opts)
      return transpiler.transpile(ast)
    }
  },
  parse (input, opts) {
    opts = opts || {}
    const parser = opts.type === 'js' ? new JSParser(opts) : new FirescriptParser(opts)
    return parser.parse(input)
  },
  loadConf (customConf) {
    const config = new FSConfig()
    return config.merge(customConf)
  }
}