dotnode/html/tagBuilder.js

.NET-like MVC framework for Node.js

var extend = require('xtend');

var TagBuilder = function (tagName) {

    this._tagName = tagName;
    this._innerHtml = '';
    this._attributes = {};
};

// #region public methods

TagBuilder.prototype.setAttribute = function (key, value) {

    this._attributes[key] = value;
};

TagBuilder.prototype.mergeAttributes = function (attributes) {

    extend(this._attributes, attributes || {});
};

TagBuilder.prototype.addClass = function (cssClass) {

    if (typeof this._attributes.class != 'string') {
        this._attributes.class = cssClass;
    } else {
        this._attributes.class += ' ' + cssClass;
    }

    this._attributes.class = this._attributes.class.replace(/\s+/g,' ').trim();
};

TagBuilder.prototype.setInnerHtml = function (html) {

    this._innerHtml = html;
};

TagBuilder.prototype.toString = function (isVoidTag) {

    var attributesString = this._getAttributesString(this._attributes);

    if (isVoidTag) {
        return '<' + this._tagName + attributesString + '/>';
    } else {
        return '<' + this._tagName + attributesString + '>' + this._innerHtml + '</' + this._tagName + '>';
    }
};

// #endregion

// #region private methods

TagBuilder.prototype._getAttributesString = function (attributes) {

    var attributesString = '';

    for (var key in attributes) {

        if (attributes.hasOwnProperty(key)) {

            attributesString += ' ' + key + '="' + attributes[key] + '"';
        }
    }

    return attributesString;
};

// #endregion

module.exports = TagBuilder;