dotnode/html/htmlHelper.js

.NET-like MVC framework for Node.js

var TagBuilder = require('../html/tagBuilder'),
    fs = require('fs'),
    path = require('path'),
    json = require('JSON');

var HtmlHelper = function (viewContext) {

    this._viewContext = viewContext;
};

// #region public methods

HtmlHelper.prototype.renderRequireJsSetup = function () {

    var mainScriptBuilder = new TagBuilder('script'),
        configScriptBuilder = new TagBuilder('script');

    var configHtml = '';

    var requireJsConfigContents = fs.readFileSync(process.cwd() + '/requirejs.config', 'utf8'),
        pageOptions = this._viewContext.pageOptions || {};

    var requireJsConfig = json.parse(requireJsConfigContents),
        requireConfig = {
            pageOptions: pageOptions
        };

    configHtml += 'var ' + requireJsConfig.requireConfigVariable + '=' + json.stringify(requireConfig) + ';';
    configHtml += '\n';
    configHtml += 'var require=' + json.stringify(requireJsConfig) + ';';

    var actionName = this._viewContext.controllerContext.actionName,
        controllerName = this._viewContext.controllerContext.controllerName,
        areaName = this._viewContext.controllerContext.areaName;

    var requireJsSrc = path.normalize(requireJsConfig.baseUrl + '/' + requireJsConfig.requireJsPath + '.js'),
        mainScriptSrc = controllerName + '/' + actionName + '.js';

    areaName = areaName || 'root';

    mainScriptSrc = /*requireJsConfig.baseUrl + */ '/controllers/' + areaName + '/' + mainScriptSrc;

    mainScriptSrc = path.normalize(mainScriptSrc);

    mainScriptBuilder.setAttribute('data-main', mainScriptSrc);
    mainScriptBuilder.setAttribute('src', requireJsSrc);
    mainScriptBuilder.setAttribute('type', 'text/javascript');

    configScriptBuilder.setAttribute('type', 'text/javascript');
    configScriptBuilder.setInnerHtml(configHtml);

    var setupHtml = configScriptBuilder.toString() + mainScriptBuilder.toString();

    return setupHtml;
};

// #endregion

module.exports = HtmlHelper;