Gottwik/Enduro

// * ———————————————————————————————————————————————————————— * //
// *    Grouped each helper
// *    Will split array into chunks of specified size
// *    taken from https://funkjedi.com/technology/412-every-nth-item-in-handlebars/
// * ———————————————————————————————————————————————————————— * //
const helper = function () {}

helper.prototype.register = function () {

    enduro.templating_engine.registerHelper('grouped_each', function (every, context, options) {

        if (!context || !(Object.keys(context).length || context.length)) {
            return ''
        }

        let out = ''
        let subcontext = []
        let i = 0

        for (let key in context) {
            if (i > 0 && i % every === 0) {
                out += options.fn(subcontext)
                subcontext = []
            }
            subcontext.push(context[key])
            i++
        }
        out += options.fn(subcontext)

        // Outputs processed html
        return out
    })
}

module.exports = new helper()