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@gompa/node-sass-middleware

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Readme

node-sass-middleware

Connect/Express middleware for node-sass.

Install

npm install node-sass-middleware

Usage

Recompile .scss or .sass files automatically for connect and express based http servers.

Connect example

var connect = require('connect')
var sassMiddleware = require('node-sass-middleware')
var server = connect.createServer(
  sassMiddleware({
      /* Options */
      src: __dirname
    , dest: __dirname + '/public'
    , debug: true
    , outputStyle: 'compressed'
    , prefix:  '/prefix'  // Where prefix is at <link rel="stylesheets" href="prefix/style.css"/>
  }),
  connect.static('/prefix', __dirname + '/public')
);

There is an example connect app here: https://github.com/andrew/node-sass-example

Heavily inspired by https://github.com/LearnBoost/stylus

Express example

var express = require('express');
var sassMiddleware = require('node-sass-middleware');
var path = require('path');
var app = express();
app.use(sassMiddleware({
    /* Options */
    src: __dirname,
    dest: path.join(__dirname, 'public'),
    debug: true,
    outputStyle: 'compressed',
    prefix:  '/prefix'  // Where prefix is at <link rel="stylesheets" href="prefix/style.css"/>
}));
// Note: you must place sass-middleware *before* `express.static` or else it will
// not work.
app.use('/public', express.static(path.join(__dirname, 'public')));

Connect with other middleware example

var connect = require('connect');
var sassMiddleware = require('node-sass-middleware');
var postcssMiddleware = require('postcss-middleware');
var autoprefixer = require('autoprefixer');
var path = require('path');
var http = require('http');
var app = connect();
var destPath = __dirname + '/public';
app.use(sassMiddleware({
    /* Options */
    src: __dirname
  , response: false
  , dest: destPath
  , outputStyle: 'extended'
}));
app.use(postcssMiddleware({
  plugins: [
    /* Plugins */
    autoprefixer({
      /* Options */
    })
  ],
  src: function(req) {
    return path.join(destPath, req.url);
  }
}));

http.createServer(app).listen(3000);

Options

src - (String) Source directory used to find .scss or .sass files.

Optional configurations:

beepOnError - Enable beep on error, false by default.
debug - [true | false], false by default. Output debugging information.
dest - (String) Destination directory used to output .css files (when undefined defaults to src).
error - A function to be called when something goes wrong.
force - [true | false], false by default. Always re-compile.
indentedSyntax - [true | false], false by default. If true compiles files with the .sass extension instead of .scss in the src directory.
log - function(severity, key, val, message), used to log data instead of the default console.error. "severity" matches Winston severity levels.
maxAge - MaxAge to be passed in Cache-Control header.
prefix - (String) It will tell the sass middleware that any request file will always be prefixed with <prefix> and this prefix should be ignored.
response - [true | false], true by default. To write output directly to response instead of to a file.
root - (String) A base path for both source and destination directories.

For full list of options from original node-sass project go here.

Express example with custom log function

var express = require('express');
var sassMiddleware = require('node-sass-middleware');
var path = require('path');
var winston = require('winston');
var app = express();
winston.level = 'debug';
app.use(sassMiddleware({
    /* Options */
    src: __dirname,
    dest: path.join(__dirname, 'public'),
    debug: true,
    log: function (severity, key, value) { winston.log(severity, 'node-sass-middleware   %s : %s', key, value); }
}));
// Note: you must place sass-middleware *before* `express.static` or else it will
// not work.
app.use(express.static(path.join(__dirname, 'public')));

Contributors

We <3 our contributors! A special thanks to all those who have clocked in some dev time on this project, we really appreciate your hard work. You can find a full list of those people here.

Building and Testing

git clone git@github.com:sass/node-sass-middleware
cd node-sass-middleware

npm install
npm test

Note on Patches/Pull Requests

Fork the project.
Make your feature addition or bug fix.
Add documentation if necessary.
Add tests for it. This is important so I don't break it in a future version unintentionally.
Send a pull request. Bonus points for topic branches.

@gompa/node-sass-middleware