diff --git a/slim.js b/slim.js
index 8d9f96c..5c2aeaf 100644
--- a/slim.js
+++ b/slim.js
@@ -12,9 +12,12 @@ CssModule.waitTimeout = 60;
CssModule.prototype.linkExists = function() {
var styleSheets = document.styleSheets;
+ var anchor = document.createElement("a");
+ anchor.href = this.address;
+ var href = anchor.href;
for (var i = 0; i < styleSheets.length; ++i) {
- if (this.address === styleSheets[i].href) {
+ if (href === styleSheets[i].href) {
return true;
}
}
diff --git a/test/slim.js b/test/slim.js
new file mode 100644
index 0000000..0cfa478
--- /dev/null
+++ b/test/slim.js
@@ -0,0 +1,31 @@
+var slimLoader = require("steal-css/slim");
+var QUnit = require("steal-qunit");
+
+QUnit.module("slim");
+
+QUnit.test("Only adds links if not already in the page", function(assert){
+ var done = assert.async();
+
+ var config = {
+ bundles: {
+ "1": 2
+ },
+ paths: {
+ "2": "dist/foo.css"
+ }
+ };
+
+ Promise.all([
+ slimLoader(1, config),
+ slimLoader(1, config)
+ ])
+ .then(function(){
+ var ss = document.styleSheets;
+ var foos = Array.prototype.slice.call(ss).filter(function(link){
+ return /foo/.test(link.href);
+ });
+
+ assert.equal(foos.length, 1, "There is only 1 link");
+ })
+ .then(done);
+});
diff --git a/test/test.html b/test/test.html
index 18e0589..a573c3c 100644
--- a/test/test.html
+++ b/test/test.html
@@ -2,6 +2,7 @@
<html>
<head>
<title>steal-css tests</title>
+ <link rel="stylesheet" href="./dist/foo.css">
</head>
<body>
diff --git a/test/test.js b/test/test.js
index c0d7f47..8a5e20b 100644
--- a/test/test.js
+++ b/test/test.js
@@ -2,6 +2,7 @@ var QUnit = require("steal-qunit");
var makeIframe = require("./make-iframe");
require("./unit");
+require("./slim");
QUnit.config.testTimeout = 10000;