#!/usr/bin/env node

/**

Usage:

./scripts/less-watch [watchPath]

Example:

./scripts/less-watch ./notebook/static/notebook/less

**/

var less = require('less');

var fs = require('fs');

var path = require('path');

var child_process = require('child_process');

function printResults(err, stdout, stderr) {

if (err) return console.log(err);

if (stdout) console.log(stdout);

if (stderr) console.log(stderr);

}

function compileLESS() {

child_process.exec('lessc --include-path=notebook/static --verbose notebook/static/style/style.less notebook/static/style/style.min.css', printResults);

child_process.exec('lessc --include-path=notebook/static --verbose notebook/static/style/ipython.less notebook/static/style/ipython.min.css', printResults);

}

function watchDir(dir) {

var rootPath = path.join(__dirname, '..');

var watchPath = path.resolve(dir);

console.log('less-watch:', 'watching:', path.relative(rootPath, watchPath));

fs.watch(watchPath, {recursive: true}, function(event, file) {

if (file && /.+\.less$/.test(file)) {

console.log('less-watch:', 'modified:', file);

compileLESS();

}

});

}

compileLESS();

watchDir(process.argv[2]);