chore: Silence Rollup's this is undefined warnings (#991)

* chore: Silence Rollup's `this is undefined` warning * docs: Adding changeset
developit · Feb 23, 2023 · bb8713c · bb8713c
1 parent 22187fb
commit bb8713c
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diff --git a/.changeset/swift-plums-fix.md b/.changeset/swift-plums-fix.md
@@ -0,0 +1,5 @@
+---
+'microbundle': patch
+---
+
+Silence Rollup's noisy (and usually harmless) `The 'this' keyword is equivalent to 'undefined' at the top level of an ES module, and has been rewritten.` warnings
diff --git a/src/index.js b/src/index.js
@@ -475,7 +475,7 @@ function createConfig(options, entry, format, writeMeta) {
  `\n ↳ to depend on a module via import/require, install it to "dependencies".`,
  );
  return;
- }
+ } else if (warning.code === 'THIS_IS_UNDEFINED') return;
 
  warn(warning);
  },