bloggify-ajs-renderer/lib/index.js

ajs renderer for Bloggify.

"use strict";

var readFile = require("read-file-cache"),
    noop = require("noop6"),
    ajs = require("ajs"),
    typpy = require("typpy");

var disableCache = false;
var bloggify = null;

/*!
 * init
 *
 * @name init
 * @function
 * @param {Object} config The configuration object:
 *
 *  - `disableCache` (Boolean): If `true`, the cache will be disabled.
 *
 * @param {Bloggify} bloggify The `Bloggify` instance.
 */
exports.init = function (config, _bloggify) {
    bloggify = _bloggify;
    disableCache = config.disableCache;
    bloggify.viewer.registerRenderer("ajs", exports.render);
};

/*!
 * factory
 * Returns a HTTP request handler.
 *
 * @name factory
 * @function
 * @param {Function} cb The callback function.
 * @returns {Function} The request handler.
 */
exports.factory = function (cb) {
    return function (ctx) {
        return cb(function (path, data, cb) {
            return exports.render(ctx, path, data, cb);
        }, ctx);
    };
};

/*!
 * render
 * Renders the file.
 *
 * @name render
 * @function
 * @param {ctx} ctx The context.
 * @param {String} path The file path.
 * @param {Object} data The template data.
 * @param {Function} cb The callback function.
 */
exports.render = function (ctx, tmpl, data, cb) {
    cb = cb || noop;
    ajs.renderFile(tmpl.path, data, { cache: !disableCache }, function (err, html) {
        if (err) {
            return cb(err);
        }

        data.statusCode = data.statusCode || data.error && data.error.statusCode || 200;
        ctx.end(html, data.statusCode);

        cb(null, html);
    });
};