fix: Extra CSS files generated (#777)

* fix: Ensuring duplicate CSS files aren't generated * docs: Adding changeset * Update index.js Co-authored-by: Jason Miller <developit@users.noreply.github.com>
developit · May 27, 2021 · 6f1a20f · 6f1a20f
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diff --git a/.changeset/modern-students-give.md b/.changeset/modern-students-give.md
@@ -0,0 +1,5 @@
+---
+'microbundle': patch
+---
+
+Fixing a bug that would cause a CSS file to be generated to match each JS build output
diff --git a/src/index.js b/src/index.js
@@ -458,6 +458,7 @@ function createConfig(options, entry, format, writeMeta) {
 						// only write out CSS for the first bundle (avoids pointless extra files):
 						inject: false,
 						extract:
+							!!writeMeta &&
 							options.css !== 'inline' &&
 							options.output.replace(
 								/(\.(umd|cjs|es|m))?\.(mjs|[tj]sx?)$/,