build-system: fix infinite loop caused by watching css in npm dist fo…

…lders. (#35827)
ampproject · Aug 26, 2021 · 17a6b51 · 17a6b51
1 parent 0438e56
commit 17a6b51
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/build-system/tasks/extension-helpers.js b/build-system/tasks/extension-helpers.js
@@ -419,7 +419,8 @@ async function watchExtension(
 
   const cssDeps = `${extDir}/**/*.css`;
   const jisonDeps = `${extDir}/**/*.jison`;
-  watch([cssDeps, jisonDeps]).on(
+  const ignored = /dist/; //should not watch npm dist folders.
+  watch([cssDeps, jisonDeps], {ignored}).on(
     'change',
     debounce(watchFunc, watchDebounceDelay)
   );