handlebars-loop/index.js

Handlebars helper that iterates like a for loop.

/**
 * Handlebars loop helper
 * @param from {Number} The start index.
 * @param to {Number} The end index.
 * @param inc {Number} How much to increment per iteration.
 */

module.exports = function(from, to, inc, block) {
	block = block || {fn: function () { return arguments[0]; }};

	var data = block.data || {index: null};

	var output = '';
	for (var i = from; i <= to; i += inc) {
		data['index'] = i;
		output += block.fn(i, {data: data});
	}

	return output;
};