gulpfile.js

var gulp = require('gulp'),
    gulptools = require('./gulptools'),
    template = require('gulp-template');
/* All need copy files and task name */
var copyTasks = [{
    name: 'copyApp',
    source: './app.js',
    dist: 'dist',
    fileType: 'js'
}, {
    name: 'copyStart',
    source: './start.js',
    dist: 'dist',
    fileType: 'js'
}, {
    name: 'copyModules',
    source: './modules/**/*',
    dist: './dist/modules',
    fileType: 'js'
}, {
    name: 'copyConfig',
    source: './config/**/*',
    dist: './dist/config',
    fileType: 'js'
}, {
    name: 'copyUtils',
    source: './utils/**/*',
    dist: './dist/utils',
    fileType: 'js'
}, {
    name: 'copyMiddleware',
    source: './middleware/**/*',
    dist: './dist/middleware',
    fileType: 'js'
}, {
    name: 'copyPackage',
    source: './package.json',
    dist: './dist',
    fileType: 'json'
}];

/* All copy task name, need push to the array */
var copyTasksName = [];
/* Parse copy tasks */
for (var i = 0; i < copyTasks.length; i++) {
    var copyTask = copyTasks[i];
    /* Push the task name to copyTaskName */
    copyTasksName.push(copyTask.name);
    /* Create copy tasks */
    gulp.task(copyTask.name, gulptools.copyFile(copyTask.source, copyTask.dist, copyTask.fileType));
}

/* Create copy task */
gulp.task('copy', copyTasksName);
gulp.task('watch', function() {
    gulp.watch('./modules/**/*', ['copy']);
})

/* Create default task */
gulp.task('default', ['copy']);