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jay3sh/gist:3083080

Created July 10, 2012 12:54
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Revisions

  1. Jayesh Salvi revised this gist Nov 24, 2012. No changes.
  2. Jayesh Salvi created this gist Jul 10, 2012.
    149 changes: 149 additions & 0 deletions gistfile1.js
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,149 @@
    /*
    * Tested on node 0.6, Ubuntu
    */
    #!/usr/bin/node

    COLOR_GREEN="\033[01;32m"
    COLOR_RED="\033[01;31m"
    COLOR_YELLOW="\033[01;33m"
    COLOR_BLUE="\033[01;34m"
    COLOR_NORMAL="\033[00m"

    var fs = require('fs');

    var coffeescript, jade, less;
    try {
    coffeescript = require('/usr/lib/node_modules/coffee-script'); // after npm -g install coffee-script
    } catch(e) {
    console.log(COLOR_RED,String(e),COLOR_NORMAL);
    }

    try {
    jade = require('/usr/lib/node_modules/jade'); // after npm -g install jade
    } catch(e) {
    console.log(COLOR_RED,String(e),COLOR_NORMAL);
    }

    try {
    less = require('/usr/lib/node_modules/less'); // after npm -g install less
    } catch(e) {
    console.log(COLOR_RED,String(e),COLOR_NORMAL);
    }

    console.log(
    'Watch Support',
    (coffeescript ? COLOR_GREEN : COLOR_RED),' coffeescript ',COLOR_NORMAL,
    (jade ? COLOR_GREEN : COLOR_RED),' jade ',COLOR_NORMAL,
    (less ? COLOR_GREEN : COLOR_RED),' less ',COLOR_NORMAL
    );

    var compile = function (fname) {
    var source = fs.readFileSync(fname).toString();
    try {
    if(/\.jade$/.test(fname)) {

    var html = jade.compile(source,{pretty:true})();
    var htmlfname = fname.replace(/\.jade$/,'.html');
    fs.writeFileSync(htmlfname, html);
    console.log(COLOR_GREEN,'Success ',fname,new Date(),COLOR_NORMAL)

    } else if(/\.coffee$/.test(fname)) {

    var js = coffeescript.compile(source);
    var jsfname = fname.replace(/\.coffee$/,'.js');
    fs.writeFileSync(jsfname, js);
    console.log(COLOR_GREEN,'Success ',fname,new Date(),COLOR_NORMAL)

    } else if(/\.less$/.test(fname)) {

    var lessparser = new(less.Parser);
    var cssfname = fname.replace(/\.less$/,'.css');
    lessparser.parse(source, function (e, tree) {
    if(e) {
    console.log(COLOR_RED,'Failed ',fname,String(e),COLOR_NORMAL);
    } else {
    fs.writeFileSync(cssfname, tree.toCSS());
    console.log(COLOR_GREEN,'Success ',fname,new Date(),COLOR_NORMAL)
    }
    });

    }
    } catch(e) {
    console.log(COLOR_RED,'Failed ',fname,String(e),COLOR_NORMAL)
    }
    }

    var walk = function(dir, done) {
    var results = [];
    fs.readdir(dir, function(err, list) {
    if (err) return done(err);
    var pending = list.length;
    if (!pending) return done(null, results);
    list.forEach(function(file) {
    file = dir + '/' + file;
    fs.stat(file, function(err, stat) {
    if (stat && stat.isDirectory()) {
    walk(file, function(err, res) {
    results = results.concat(res);
    if (!--pending) done(null, results);
    });
    } else {
    results.push(file);
    if (!--pending) done(null, results);
    }
    });
    });
    });
    };

    function main() {
    if(process.argv.length > 2) {
    dirName = process.argv[2];
    } else {
    dirName = '.';
    }

    stats = fs.statSync(dirName);

    if(stats.isDirectory()) {

    walk(dirName,function (err, files) {
    var watching = 0;
    files.forEach(function (fname) {
    if(/\.coffee$|\.less$|\.jade$/.test(fname)) {
    fs.watchFile(fname,{persistent:true,interval:500},
    function (cur,prev) {
    if(cur.mtime.getTime() != prev.mtime.getTime()) {
    compile(fname);
    }
    }
    );
    watching++;
    }
    });
    if(watching) {
    console.log('Watching '+watching+' file(s) in '+
    COLOR_YELLOW+dirName+COLOR_NORMAL);
    } else {
    console.log('No coffee/jade/less files found to watch');
    }
    });
    } else {
    // It's a file
    var fname = dirName;
    if(/\.coffee$|\.less$|\.jade$/.test(fname)) {
    fs.watchFile(fname,{persistent:true,interval:500},
    function (cur,prev) {
    if(cur.mtime.getTime() != prev.mtime.getTime()) {
    compile(fname);
    }
    }
    );
    console.log('Watching '+COLOR_YELLOW+fname+COLOR_NORMAL);
    } else {
    console.log('No coffee/jade/less files found to watch');
    }
    }
    }

    main();