if (options.type === 'vendor') {
        options.outputFile = options.outputFile || this.options.outputPaths.vendor.js;
        addOutputFile('firstOneWins', this._scriptOutputFiles, assetPath, options);
      } else if (options.type === 'test') {
        if (!allowImport('firstOneWins', this.legacyTestFilesToAppend, assetPath, options)) {