Function findFile

grunt/tasks/javascript.js:178–186

(filename)

      const externalMap = options.externalMap;

      const findFile = function(filename) {
        filename = filename.replace(convertSlashes, '/');
        const hasValidExtension = extensions.includes(path.parse(filename).ext);
        if (!hasValidExtension) {
          const ext = extensions.find(ext => fs.existsSync(filename + ext)) || '';
          filename += ext;
        }
        return filename;
      };

      const umdImports = options.umdImports.map(filename => findFile(path.resolve(basePath, filename)));