whole_func_string: function hinter(fspec, opt_options) {
      return gulp.src(fspec)
        .pipe(ignorer.exclude(excludes))
        .pipe(jshint(opt_options))
        .pipe(jshint.reporter(stylish));
    }
func_code_string: function hinter(fspec, opt_options) {
      return gulp.src(fspec)
        .pipe(ignorer.exclude(excludes))
        .pipe(jshint(opt_options))
        .pipe(jshint.reporter(stylish));
    }
func_documentation_string: JSHINT @link(https://www.npmjs.com/package/gulp-jshint) @link(http://jshint.com/docs/) NB: unless `lookup` option is set to false, linter will search for ".jshintrc" in the file's directory and then climb upwards.