code: function(context, pkg, source) {
  		source = source || "{}";
  		var packageJSON = JSON.parse(source);
  		utils.extend(pkg, packageJSON);
  		context.packages.push(pkg);
  		return pkg;
  	}
docs: Adds the properties read from a package's source to the `pkg` object.
  @param {Object} context
  @param {NpmPackage} pkg -
  @param {String} source
  @return {NpmPackage}