[Stylesheets] Add spec, docs

Add tests and JSDoc to the style sheet loader introduced to
allow bundles to introduce their own CSS files through the
platform's regular extension mechanism; WTD-591.
This commit is contained in:
Victor Woeltjen
2015-01-14 17:23:18 -08:00
parent 486a9e02e8
commit ccc30fde3d
3 changed files with 79 additions and 8 deletions

View File

@ -1,28 +1,41 @@
/*global define*/
define(
["angular"],
function (angular) {
[],
function () {
"use strict";
/**
* The StyleSheetLoader adds links to style sheets exposed from
* various bundles as extensions of category `stylesheets`.
* @constructor
* @param {object[]} stylesheets stylesheet extension definitions
* @param $document Angular's jqLite-wrapped document element
*/
function StyleSheetLoader(stylesheets, $document) {
var head = $document.find('head');
var head = $document.find('head'),
document = $document[0];
// Procedure for adding a single stylesheet
function addStyleSheet(stylesheet) {
var link = angular.element('<link>'),
// Create a link element, and construct full path
var link = document.createElement('link'),
path = [
stylesheet.bundle.path,
stylesheet.bundle.resources,
stylesheet.stylesheetUrl
].join("/");
link.attr("rel", "stylesheet");
link.attr("type", "text/css");
link.attr("href", path);
// Initialize attributes on the link
link.setAttribute("rel", "stylesheet");
link.setAttribute("type", "text/css");
link.setAttribute("href", path);
// Append the link to the head element
head.append(link);
}
// Add all stylesheets from extensions
stylesheets.forEach(addStyleSheet);
}