quixote/src/q_element_list.js

CSS unit and integration testing

// Copyright (c) 2014 Titanium I.T. LLC. All rights reserved. For license, see "README" or "LICENSE" file.
"use strict";

var ensure = require("./util/ensure.js");
var QElement = require("./q_element.js");

var Me = module.exports = function QElementList(nodeList, nickname) {
	ensure.signature(arguments, [ Object, String ]);

	this._nodeList = nodeList;
	this._nickname = nickname;
};

Me.prototype.length = function length() {
	ensure.signature(arguments, []);

	return this._nodeList.length;
};

Me.prototype.at = function at(requestedIndex, nickname) {
	ensure.signature(arguments, [ Number, [undefined, String] ]);

	var index = requestedIndex;
	var length = this.length();
	if (index < 0) index = length + index;

	ensure.that(
		index >= 0 && index < length,
		"'" + this._nickname + "'[" + requestedIndex + "] is out of bounds; list length is " + length
	);
	var element = this._nodeList[index];

	if (nickname === undefined) nickname = this._nickname + "[" + index + "]";
	return QElement.create(element, nickname);
};

Me.prototype.toString = function toString() {
	ensure.signature(arguments, []);

	return "'" + this._nickname + "' list";
};