我有以下任务:varuglify=require('gulp-uglify');gulp.task('scripts',function(){gulp.src('./src/scripts/*.js').pipe(concat('main.js')).pipe(uglify()).pipe(gulp.dest('./dist'));});以及以下2个javascript文件，test1.js:vartestOneOutput='functionone';console.log(testOneOutput);和test2.jsvartestTwoOutput='functiontwo';