mason/lib/renderer.js

simple, fun, static-file builder for jade, stylus, and javascript

var path = require('path');

module.exports = function createRenderer(assets, config) {
  return new Renderer(assets, config);
};

function Renderer(assets, config) {
  this.assets = assets || {};
  this.config = config || {};
}

// Render a mason target inside jade
Renderer.prototype.render = function(assetName) {
  var asset = this.assets[assetName];
  if (asset) {
    var mode = (this.config.modes && this.config.modes[assetName]) || asset.renderer || Renderer.defaultModes[asset.type];
    var writer = Renderer.writers[mode];
    this.config.prefix = this.config.prefix || '';
    return writer(asset, this.config);
  }
  asset = { toSrc: assetName };
  return Renderer.writers.passthru(asset, this.config);
};

Renderer.writers = {
  passthru: function(asset, config) {
    return config.prefix + asset.toSrc;
  },
  debug: function(asset, config) {
    var sources = (asset.fromSrc instanceof Array) ? asset.fromSrc : [asset.fromSrc];
    return sources.map(function(src) {
      return '<script src="' + config.prefix + src + '"></script>';
    }).join('');
  },
  uglify: function(asset, config) {
    return '<script src="' + config.prefix + asset.toSrc + '"></script>';
  },
  stylus: function(asset, config) {
    return '<link rel="stylesheet" href="' + config.prefix + asset.toSrc + '" />';
  }
};

Renderer.defaultModes = {
  javascript: 'uglify',
  stylus: 'stylus',
  jade: 'jade'
};