GulpJS 介绍
从头编写HTML\CSS\Javascript是上个世纪的事情了，如今的JavaScript都是通过CoffeeScript这样的支持句法缩写的编辑器写成的。如果你希望写完JavaScript能够一个工具完成代码清理优化工作，Gulp
就是你的不二之选，GulpJS类似Ant或Maven之于Java。
示例代码：
var gulp = require('gulp');
var coffee = require('gulp-coffee');
var concat = require('gulp-concat');
var uglify = require('gulp-uglify');
var imagemin = require('gulp-imagemin');
var sourcemaps = require('gulp-sourcemaps');
var del = require('del');
var paths = {
scripts: ['client/js/**/*.coffee', '!client/external/**/*.coffee'],
images: 'client/img/**/*'
};
// Not all tasks need to use streams
// A gulpfile is just another node program and you can use all packages available on npm
gulp.task('clean', function(cb) {
// You can use multiple globbing patterns as you would with `gulp.src`
del(['build'], cb);
});
gulp.task('scripts', ['clean'], function() {
// Minify and copy all JavaScript (except vendor scripts)
// with sourcemaps all the way down
return gulp.src(paths.scripts)
.pipe(sourcemaps.init())
.pipe(coffee())
.pipe(uglify())
.pipe(concat('all.min.js'))
.pipe(sourcemaps.write())
.pipe(gulp.dest('build/js'));
});
// copy all static images
gulp.task('images', ['clean'], function() {
return gulp.src(paths.images)
// Pass in options to the task
.pipe(imagemin({optimizationLevel: 5}))
.pipe(gulp.dest('build/img'));
});
// Rerun the task when a file changes
gulp.task('watch', function() {
gulp.watch(paths.scripts, ['scripts']);
gulp.watch(paths.images, ['images']);
});
// The default task (called when you run `gulp` from cli)
gulp.task('default', ['watch', 'scripts', 'images']);
GulpJS 官网
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