Fix.

node_modules/resolve-url/resolve-url.js

@@ -0,0 +1,47 @@
+// Copyright 2014 Simon Lydell
+// X11 (“MIT”) Licensed. (See LICENSE.)
+
+void (function(root, factory) {
+  if (typeof define === "function" && define.amd) {
+    define(factory)
+  } else if (typeof exports === "object") {
+    module.exports = factory()
+  } else {
+    root.resolveUrl = factory()
+  }
+}(this, function() {
+
+  function resolveUrl(/* ...urls */) {
+    var numUrls = arguments.length
+
+    if (numUrls === 0) {
+      throw new Error("resolveUrl requires at least one argument; got none.")
+    }
+
+    var base = document.createElement("base")
+    base.href = arguments[0]
+
+    if (numUrls === 1) {
+      return base.href
+    }
+
+    var head = document.getElementsByTagName("head")[0]
+    head.insertBefore(base, head.firstChild)
+
+    var a = document.createElement("a")
+    var resolved
+
+    for (var index = 1; index < numUrls; index++) {
+      a.href = arguments[index]
+      resolved = a.href
+      base.href = resolved
+    }
+
+    head.removeChild(base)
+
+    return resolved
+  }
+
+  return resolveUrl
+
+}));