From d9d3e439126d2619c06c3f174f133cd950cfd952 Mon Sep 17 00:00:00 2001
From: Kevin Schaaf <kschaaf@google.com>
Date: Mon, 2 Apr 2018 18:08:21 -0700
Subject: [PATCH] Use Polymer.ResolveUrl.pathFromUrl

---
 lib/mixins/element-mixin.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/mixins/element-mixin.html b/lib/mixins/element-mixin.html
index 0869aa3934..33e7758cc0 100644
--- a/lib/mixins/element-mixin.html
+++ b/lib/mixins/element-mixin.html
@@ -411,7 +411,7 @@
         if (!this.hasOwnProperty(JSCompiler_renameProperty('_importPath', this))) {
           const meta = this.importMeta;
           if (meta) {
-            this._importPath = meta.url.slice(0, meta.url.lastIndexOf('/') + 1);
+            this._importPath = Polymer.ResolveUrl.pathFromUrl(meta.url);
           } else {
             const module = Polymer.DomModule && Polymer.DomModule.import(/** @type {PolymerElementConstructor} */ (this).is);
             this._importPath = (module && module.assetpath) ||