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gulp配置文件

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'use strict';

var gulp = require('gulp');
var less = require('gulp-less');
var browserSync = require('browser-sync');
var nodemon = require('gulp-nodemon');
var config = require('./config');
// we'd need a slight delay to reload browsers
// connected to browser-sync after restarting nodemon
var BROWSER_SYNC_RELOAD_DELAY = 500;

gulp.task('nodemon', function (cb) {
var called = false;
return nodemon({

// nodemon our expressjs server
script: 'app.js',

// watch core server file(s) that require server restart on change
watch: ['app.js', 'api/*.js', 'config/*.js', 'controller/*.js', 'module/*.js']
})
.on('start', function onStart() {
// ensure start only got called once
if (!called) { cb(); }
called = true;
})
.on('restart', function onRestart() {
// reload connected browsers after a slight delay
setTimeout(function reload() {
browserSync.reload({
stream: false
});
}, BROWSER_SYNC_RELOAD_DELAY);
});
});

gulp.task('browser-sync', ['nodemon'], function () {

// for more browser-sync config options: http://www.browsersync.io/docs/options/
browserSync({

// informs browser-sync to proxy our expressjs app which would run at the following location
proxy: 'http://localhost:' + config.localPort +'',

// informs browser-sync to use the following port for the proxied app
// notice that the default port is 3000, which would clash with our expressjs
port: config.browserSyncPort,

// open the proxied app in chrome
browser: ['google-chrome']
});
});

gulp.task('js', function () {
return gulp.src('static/**/*.js')
// do stuff to JavaScript files
//.pipe(uglify())
//.pipe(gulp.dest('...'));
});

gulp.task('css', function () {
return gulp.src('static/**/*.css')
.pipe(browserSync.reload({ stream: true }));
})

gulp.task('less', function () {
return gulp.src(['src/less/*.less'])//多个文件以数组形式传入
.pipe(less())
.pipe(gulp.dest('static/css'));
});

gulp.task('bs-reload', function () {
browserSync.reload();
});

gulp.task('default', ['browser-sync'], function () {
gulp.watch('static/**/*.js', ['js', 'bs-reload']);
gulp.watch('static/**/*.css', ['css', 'bs-reload']);
gulp.watch('src/less/*.less', ['less']);
gulp.watch('src/view/*.html', ['bs-reload']);
});