view-helpers.js

• Classes
  • ViewHelpers
    • constructor
    • configure

app/worker/base/view-helpers.js
  
/**
 * Base Application - View Helpers
 *
 * @module greppy/app/worker/base/view-helpers
 * @author Hermann Mayer <hermann.mayer92@gmail.com>
 */
/**
 * @constructor
 */
var ViewHelpers = function()
{
};
/**
 * Populate the given application with view helpers.
 *
 * @param {Object} app - Application to configure
 * @param {function} callback - Function to call on finish
 */
ViewHelpers.prototype.configure = function(app, callback)
{
    // Push view helpers to the application
    app.locals.helper = {};
    if (!greppy.helper) {
        return callback && callback();
    }
    greppy.helper.list().forEach(function(helper) {
        if (-1 === helper.indexOf('view')) {
            return;
        }
        path = helper.split('.');
        path.splice(path.indexOf('view'), 1);
        var buildPath = function(base, props, value) {
            var prop = props.shift();
            if (!prop) {
                return;
            }
            if (0 === props.length) {
                base[prop] = value;
                return;
            }
            if (!base.hasOwnProperty(prop)) {
                base[prop] = {};
            }
            buildPath(base[prop], props, value);
        };
        buildPath(app.locals.helper, path, greppy.helper.get(helper));
    });
    callback && callback();
};
module.exports = ViewHelpers;