phodal/diaonan

var Mincer, hbs, path;

hbs = require('hbs');

path = require('path');

Mincer = require('mincer');

module.exports = function (app) {
    var environment, find_asset_paths, rewrite_extension;
    environment = new Mincer.Environment();
    environment.appendPath('app/assets/js');
    environment.appendPath('app/assets/css');
    app.use("/assets", Mincer.createServer(environment));
    rewrite_extension = function (source, ext) {
        var source_ext;
        source_ext = path.extname(source);
        if (source_ext === ext) {
            return source;
        } else {
            return source + ext;
        }
    };
    find_asset_paths = function (logicalPath, ext) {
        var asset, paths;
        asset = environment.findAsset(logicalPath);
        paths = [];
        if (!asset) {
            return null;
        }
        if ('production' !== process.env.NODE_ENV && asset.isCompiled) {
            asset.toArray().forEach(function (dep) {
                return paths.push('/assets/' + rewrite_extension(dep.logicalPath, ext) + '?body=1');
            });
        } else {
            paths.push('/assets/' + rewrite_extension(asset.digestPath, ext));
        }
        return paths;
    };
    hbs.registerHelper('js', function (logicalPath) {
        var paths, result;
        paths = find_asset_paths(logicalPath, ".js");
        if (!paths) {
            return new hbs.SafeString('<script type="application/javascript">alert(Javascript file ' + JSON.stringify(logicalPath).replace(/"/g, '\\"') + ' not found.")</script>');
        }
        result = paths.map(function (path) {
            return '<script type="application/javascript" src="' + path + '"></script>';
        });
        return new hbs.SafeString(result.join("\n"));
    });
    return hbs.registerHelper('css', function (logicalPath) {
        var paths, result;
        paths = find_asset_paths(logicalPath, ".css");
        if (!paths) {
            return new hbs.SafeString('<script type="application/javascript">alert(CSS file ' + JSON.stringify(logicalPath).replace(/"/g, '\\"') + ' not found.")</script>');
        }
        result = paths.map(function (path) {
            return '<link rel="stylesheet" type="text/css" href="' + path + '" />';
        });
        return new hbs.SafeString(result.join("\n"));
    });
};