Merge pull request #100 from Turbo87/meta-missing

Show warning for missing `<meta>` tag
adopted-ember-addons · Nov 27, 2019 · 4257d1b · 4257d1b
2 parents 3deb1f3 + 89d76dd
commit 4257d1b
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/addon/utils/get-asset-map-data.js b/addon/utils/get-asset-map-data.js
@@ -6,7 +6,13 @@ export default function getAssetMapData() {
     return assetMap.default;
   }
 
-  const assetMapString = document.querySelector("meta[name='ember-cli-ifa:assetMap']").content;
+  let metaTag = document.querySelector("meta[name='ember-cli-ifa:assetMap']");
+  if (!metaTag) {
+    console.warn('<meta name="ember-cli-ifa:assetMap"> tag is missing.');
+    return;
+  }
+
+  const assetMapString = metaTag.content;
   if (!assetMapString) {
     return;
   }