4.4 那些预处理器

# precompile ## css precompile ### create project ~~~ ➜ nodejs-practice git:(master) express -h Usage: express [options] [dir] Options: -h, --help output usage information -V, --version output the version number -e, --ejs add ejs engine support (defaults to jade) --hbs add handlebars engine support -H, --hogan add hogan.js engine support -c, --css add stylesheet support (less|stylus|compass|sass) (defaults to plain css) --git add .gitignore -f, --force force on non-empty directory ~~~ 举例less ~~~ express express-less -c less ~~~ 变动 * package.json * `"less-middleware": "1.0.x",` * app.js * `app.use(require('less-middleware')(path.join(__dirname, 'public')));` ### 创建less ~~~ npm i -g less lessc public/stylesheets/style.less public/stylesheets/style.css ~~~ ## js precompile 举例coffee ## gulp [https://github.com/streakq/js-tools-best-practice/blob/master/doc/Gulp.md](https://github.com/streakq/js-tools-best-practice/blob/master/doc/Gulp.md)