问题
Since Twitter Bootstrap 2 is out, I wanted to integrate that into my Node.js project. Unfortunately, there's something wrong with the less compiler and I can't get it to work. I put all files into the public folder and set up a new project with express -c less newproj. and added the lines for less
less = require('less');
app.use(express.compiler({ src: __dirname + '/public', enable: ['less'] }));
All Node tells me is:
Express server listening on port 3000 in development mode
undefined
On the client side I get a 500 (Internal Server Error) for the bootstrap.css file, which should be compiled by lessc.
lessc bootstrap.less
Works fine.
Anybody knows how to solve the issue?
回答1:
For posterity, this has changed a lot in recent Express:
app.use(require('less-middleware')({ src: __dirname + '/public' }));
app.use(express.static(path.join(__dirname, 'public')));
// This is just boilerplate you should already have
app.use(express.bodyParser());
app.use(express.methodOverride());
app.use(app.router);
回答2:
Ok, here is what I have found for you. First you need both the compiler and the static middleware. The compiler compiles your less and recompiles on changes, the static middleware does the actual serving of the css
app.use(express.compiler({ src : __dirname + '/public', enable: ['less']}));
app.use(express.static(__dirname + '/public'));
Second, for some reason when the compiler runs it is losing the current path information, so it can't find the includes. So I had to go through the bootstrap.css and add the path to each import.
@import "/public/stylesheets/reset.less";
This is clearly odd, I am going to dig into it further.
Edit: While odd, a deep look through the code shows me no simple way around it. A bit more searching found this pull request on the connect repo https://github.com/senchalabs/connect/pull/174 which offers a fix for this, but the devs don't seem to want it.
There are also some workarounds in that thread, but it seems the best idea is to absolute path your includes.
来源：https://stackoverflow.com/questions/9173935/twitter-bootstrap-less-with-node-js-express