grunt-mangony/test/fixtures/helpers/helper-mergeData.js

Grunt wrapper for Mangony, another static site generator - fast, simple and powerful.

/**
 * Represents a helper to merge two data objects.
 *
 * @author Sebastian Fitzner
 */

module.exports.register = function(Handlebars, options) {
	/*
	 * merge data helper.
	 *
	 * @return object
	 */
	Handlebars.registerHelper('mergeData', function(file, obj) {
		var obj1 = file;
		var obj2 = obj.hash.file ? obj.hash.file : JSON.parse(obj.hash.data);

		if (Array.isArray(obj2)) {
			obj2 = {
				'mergedDataObj': obj2
			};
		}

		return obj.fn(extend(obj1, obj2));
	});
};

function extend(a, b) {
	for (var key in b) {
		if (b.hasOwnProperty(key)) {
			a[key] = b[key];
		}
	}
	return a;
}