diff --git a/package-lock.json b/package-lock.json
index 3f914d9..0e9d068 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
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+  "version": "0.21.1",
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@@ -23,9 +23,9 @@
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@@ -55,9 +55,9 @@
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         "acorn-dynamic-import": "^3.0.0",
         "ajv": "^6.1.0",
@@ -7406,16 +7641,16 @@
         "neo-async": "^2.5.0",
         "node-libs-browser": "^2.0.0",
         "schema-utils": "^0.4.4",
-        "tapable": "^1.0.0",
+        "tapable": "^1.1.0",
         "uglifyjs-webpack-plugin": "^1.2.4",
         "watchpack": "^1.5.0",
-        "webpack-sources": "^1.0.1"
+        "webpack-sources": "^1.3.0"
       },
       "dependencies": {
         "ajv": {
-          "version": "6.5.3",
-          "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.5.3.tgz",
-          "integrity": "sha512-LqZ9wY+fx3UMiiPd741yB2pj3hhil+hQc8taf4o2QGRFpWgZ2V5C8HA165DY9sS3fJwsk7uT7ZlFEyC3Ig3lLg==",
+          "version": "6.5.4",
+          "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.5.4.tgz",
+          "integrity": "sha512-4Wyjt8+t6YszqaXnLDfMmG/8AlO5Zbcsy3ATHncCzjW/NoPzAId8AK6749Ybjmdt+kUY1gP60fCu46oDxPv/mg==",
           "dev": true,
           "requires": {
             "fast-deep-equal": "^2.0.1",
@@ -7738,9 +7973,9 @@
       }
     },
     "webpack-sources": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/webpack-sources/-/webpack-sources-1.2.0.tgz",
-      "integrity": "sha512-9BZwxR85dNsjWz3blyxdOhTgtnQvv3OEs5xofI0wPYTwu5kaWxS08UuD1oI7WLBLpRO+ylf0ofnXLXWmGb2WMw==",
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/webpack-sources/-/webpack-sources-1.3.0.tgz",
+      "integrity": "sha512-OiVgSrbGu7NEnEvQJJgdSFPl2qWKkWq5lHMhgiToIiN9w34EBnjYzSYs+VbL5KoYiLNtFFa7BZIKxRED3I32pA==",
       "dev": true,
       "requires": {
         "source-list-map": "^2.0.0",
diff --git a/package.json b/package.json
index 90bb823..12e92ff 100644
--- a/package.json
+++ b/package.json
@@ -31,6 +31,7 @@
     "@types/mocha": "^5.2.5",
     "@types/node": "^10.7.1",
     "@types/rimraf": "^2.0.2",
+    "agadoo": "^1.0.1",
     "cheap-watch": "^0.3.0",
     "compression": "^1.7.1",
     "cookie": "^0.3.1",
@@ -70,7 +71,7 @@
   },
   "scripts": {
     "cy:open": "cypress open",
-    "test": "mocha --opts mocha.opts",
+    "test": "mocha --opts mocha.opts && agadoo templates/dist/client.js",
     "pretest": "npm run build",
     "build": "rm -rf dist && rollup -c",
     "prepare": "npm run build",
diff --git a/templates/src/client/app.ts b/templates/src/client/app.ts
index f8e97d0..6763518 100644
--- a/templates/src/client/app.ts
+++ b/templates/src/client/app.ts
@@ -49,13 +49,14 @@ export function set_cid(n) {
 	cid = n;
 }
 
-export const initial_data = typeof window !== 'undefined' && window.__SAPPER__;
+export const initial_data = typeof __SAPPER__ !== 'undefined' && __SAPPER__;
 
-export const history = typeof window !== 'undefined' ? window.history : {
+const _history = typeof history !== 'undefined' ? history : {
 	pushState: (state: any, title: string, href: string) => {},
 	replaceState: (state: any, title: string, href: string) => {},
 	scrollRestoration: ''
 };
+export { _history as history };
 
 export const scroll_history: Record<string, ScrollPosition> = {};