text: const path = require('path');
  const logger = require('./utils/escapeLogger');
  const RawAsset = require('./assets/RawAsset');
  const GlobAsset = require('./assets/GlobAsset');
  const {isGlob} = require('./utils/glob');
  
  class Parser {
    constructor(options = {}) {
      this.extensions = {};
  
      this.registerExtension('js', './assets/JSAsset');
      this.registerExtension('jsx', './assets/JSAsset');
      this.registerExtension('es6', './assets/JSAsset');
      this.registerExtension('jsm', './assets/JSAsset');
      this.registerExtension('mjs', './assets/JSAsset');
      this.registerExtension('ml', './assets/ReasonAsset');
      this.registerExtension('re', './assets/ReasonAsset');
      this.registerExtension('ts', './assets/TypeScriptAsset');
      this.registerExtension('tsx', './assets/TypeScriptAsset');
      this.registerExtension('coffee', './assets/CoffeeScriptAsset');
      this.registerExtension('elm', './assets/ElmAsset');
      this.registerExtension('vue', './assets/VueAsset');
      this.registerExtension('svelte', './assets/SvelteAsset');
      this.registerExtension('json', './assets/JSONAsset');
      this.registerExtension('json5', './assets/JSONAsset');
      this.registerExtension('jsonld', './assets/JSONLDAsset');
      this.registerExtension('yaml', './assets/YAMLAsset');
      this.registerExtension('yml', './assets/YAMLAsset');
      this.registerExtension('toml', './assets/TOMLAsset');
      this.registerExtension('gql', './assets/GraphqlAsset');
      this.registerExtension('graphql', './assets/GraphqlAsset');
      this.registerExtension('kt', './assets/KotlinAsset');
  
      this.registerExtension('css', './assets/CSSAsset');
      this.registerExtension('pcss', './assets/CSSAsset');
      this.registerExtension('postcss', './assets/CSSAsset');
      this.registerExtension('sss', './assets/SSSAsset');
      this.registerExtension('styl', './assets/StylusAsset');
      this.registerExtension('stylus', './assets/StylusAsset');
      this.registerExtension('less', './assets/LESSAsset');
      this.registerExtension('sass', './assets/SASSAsset');
      this.registerExtension('scss', './assets/SASSAsset');
  
      this.registerExtension('html', './assets/HTMLAsset');
      this.registerExtension('htm', './assets/HTMLAsset');
      this.registerExtension('rs', './assets/RustAsset');
  
      this.registerExtension('webmanifest', './assets/WebManifestAsset');
  
      this.registerExtension('glsl', './assets/GLSLAsset');
      this.registerExtension('vert', './assets/GLSLAsset');
      this.registerExtension('frag', './assets/GLSLAsset');
  
      this.registerExtension('jade', './assets/PugAsset');
      this.registerExtension('pug', './assets/PugAsset');
      this.registerExtension('md', './assets/MarkdownAsset');
  
      let extensions = options.extensions || {};
      for (let ext in extensions) {
        this.registerExtension(ext, extensions[ext]);
      }
    }
  
    registerExtension(ext, parser) {
      if (!ext.startsWith('.')) {
        ext = '.' + ext;
      }
  
      this.extensions[ext.toLowerCase()] = parser;
    }
  
    findParser(filename, fromPipeline) {
      if (!fromPipeline && isGlob(filename)) {
        return GlobAsset;
      }
  
      let extension = path.extname(filename).toLowerCase();
      let parser = this.extensions[extension] || RawAsset;
      if (typeof parser === 'string') {
        try {
          parser = this.extensions[extension] = require(parser);
        } catch (err) {
          let relFilename = path.relative(process.cwd(), filename);
          let relParserName = path.relative(process.cwd(), parser);
          if (relParserName.slice(0, 12) === 'node_modules') {
            relParserName = relParserName.slice(13);
          }
          logger.warn(
            `Parser "${relParserName}" failed to initialize when processing ` +
              `asset "${relFilename}". Threw the following error:\n` +
              `${err.stack || err.message || err} falling back to RawAsset`
          );
          return RawAsset;
        }
      }
  
      return parser;
    }
  
    getAsset(filename, options = {}) {
      let Asset = this.findParser(filename);
      //TODO: ?
      options.parser = this;
      return new Asset(filename, options);
    }
  }
  
  module.exports = Parser;
  