@kldit/cms/lib/util.js

A CMS Framework for @kldit/mvc

/**
 * It enhance the default node.js module `util`.
 * @module util
 */

const ejs = require('ejs');
const { util } = require('@kldit/mvc');

/**
 * Render a template ejs using `{ ... }` delimiter
 * @function renderJsLine
 * @param {string} str - Template text.
 * @param {object} data - The data object used to render the template.
 * @returns {string} rendered value.
 */
util.renderJsLine = function (str, data)
{
	if(str && String.isString(str))
	{
		try
		{
			return ejs.render(
				str,
				data,
				{
					openDelimiter: '{',
					closeDelimiter: '}',
					delimiter: '',
					forceEscape: true,
					escape: function (v) { return v }
				});
		}
		catch (err)
		{
			console.log(str, err);

			return null;
		}
	}
	else
		return str;
}

/**
 * Render all the string properties of an object.
 * @function renderJsLine
 * @param {object} obj - The target object.
 * @param {object} data - The data object used to render the template.
 * @returns {string} rendered object value.
 */
util.renderJsLines = function (obj, data)
{
	if(String.isString(obj))
		return util.renderJsLine(obj, data);
	else
	{
		var result;
		if(Array.isArray(obj))
			result = [];
		else if(typeof obj == "object")
			result = {}

		for(var key in obj)
		{
			var value = obj[key];
			result[key] = util.renderJsLines(value, data);
		}

		return result;
	}
};

module.exports = util;