socialforge/public/javascripts/wechat/gulpfile.js

var gulp = require('gulp'),
     uglify = require('gulp-uglify');
var concat = require('gulp-concat');

gulp.task('minify', function () {
  gulp.src(['../jquery-1.3.2.js','angular.js', 'angular-route.js', 'angular-sanitize.min.js'])
  .pipe(uglify())
  .pipe(concat('angular.all.min.js'))
  .pipe(gulp.dest('build'))
});

gulp.task("default", function(){
  gulp.src(['app.js','others/factory.js','others/filter.js', 'controllers/*.js', 'directives/*.js', 'others/routes.js'])
      .pipe(uglify())
      .pipe(concat('app.min.js'))
      .pipe(gulp.dest('build'))
});