Merge pull request #1277 from embroider-build/loop-fix

defend against infinite loop on broken babel config
embroider-build · Nov 16, 2022 · aea93d7 · aea93d7
2 parents be37be5 + ebcdf68
commit aea93d7
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/core/src/portable-babel-config.ts b/packages/core/src/portable-babel-config.ts
@@ -72,7 +72,7 @@ class PortableBabelConfig {
           // trim back down our array, because trailing undefined will get
           // converted into null via json.stringify, and babel will complain
           // about that.
-          while (dehydrated.value[dehydrated.value.length - 1] == null) {
+          while (dehydrated.value.length > 0 && dehydrated.value[dehydrated.value.length - 1] == null) {
             dehydrated.value.pop();
           }
           if (dehydrated.value.length === 1) {