apeman-commons-templating/lib/bud_renderer.js

/**
 * Create an renderable.
 * @function budRenderer
 * @returns {function} - Renderable function.
 */

"use strict";

var Handlebars = require('handlebars'),
    coz = require('coz'),
    extend = require('extend');

/** @lends budRenderer */
function budRenderer(src) {
    var renderer = new Renderer(src);
    var render = renderer.bindRender();
    render.render = render;
    render.buds = renderer.bindBuds();
    return render;
}


function Renderer(src) {
    var s = this;
    s.src = src;
}
Renderer.prototype = {
    /**
     * Get buds.
     * @param {object} data - Data to render.
     * @returns {Array} - Buds objects.
     */
    buds: function (data) {
        var s = this;
        return Object.keys(s.src).map(function (pathname) {
            var src = s.src[pathname];
            pathname = String(Handlebars.compile(pathname)(data));
            return extend(src, {
                path: pathname,
                mkdirp: true,
                data: data
            });
        });
    },
    /**
     * Render with data.
     * @param {object} data - Data to render.
     * @param {function} callback - Callback when done.
     */
    render: function (data, callback) {
        var s = this,
            buds = s.buds(data);
        coz.render(buds, callback);
    },
    /**
     * Bind render method.
     * @returns {function}
     */
    bindRender: function () {
        var s = this;
        return s.render.bind(s);
    },
    /**
     * Bind buds method.
     * @returns {function}
     */
    bindBuds: function () {
        var s = this;
        return s.buds.bind(s);
    }
};

module.exports = budRenderer;