Fix #197: use URI.js for calculation of relative url

Use bower for client dependencies

1 files changed, 33 insertions, 0 deletions

diff --git a/theme/javascript/utils/url.js b/theme/javascript/utils/url.js
new file mode 100644
index 0000000..dbb1570
--- /dev/null
+++ b/theme/javascript/utils/url.js
@@ -0,0 +1,33 @@
+define([
+    "vendors/URIjs/src/URI"
+], function(URI) {
+    // Joins path segments.  Preserves initial "/" and resolves ".." and "."
+    // Does not support using ".." to go above/outside the root.
+    // This means that join("foo", "../../bar") will not resolve to "../bar"
+    function join(baseUrl, url) {
+        var theUrl = new URI(url);
+        if (theUrl.is("relative")) {
+            theUrl = theUrl.absoluteTo(baseUrl);
+        }
+        return theUrl.toString();
+    }
+
+    // A simple function to get the dirname of a path
+    // Trailing slashes are ignored. Leading slash is preserved.
+    function dirname(path) {
+        return join(path, "..");
+    }
+
+    // test if a path or url is absolute
+    function isAbsolute(path) {
+        if (!path) return false;
+
+        return (path[0] == "/" || path.indexOf("http://") == 0 || path.indexOf("https://") == 0);
+    }
+
+    return {
+        dirname: dirname,
+        join: join,
+        isAbsolute: isAbsolute
+    };
+})
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