Fix: preserve terser annotations regexp (#875)

dwightjack · web-flow · commit 5d0465b39bcc · 2021-10-06T09:14:03.000-04:00
* fix: preserve terser annotations regexp

* chore: add changeset

* test: update snapshots
diff --git a/.changeset/gold-cherries-deliver.md b/.changeset/gold-cherries-deliver.md
@@ -0,0 +1,5 @@
+---
+'microbundle': patch
+---
+
+Preserve terser annotations in compressed bundle
diff --git a/src/index.js b/src/index.js
@@ -592,7 +592,7 @@ function createConfig(options, entry, format, writeMeta) {
 								// By default, Terser wraps function arguments in extra parens to trigger eager parsing.
 								// Whether this is a good idea is way too specific to guess, so we optimize for size by default:
 								wrap_func_args: false,
-								comments: /^\s*([@#]__[A-Z]__\s*$|@cc_on)/,
+								comments: /^\s*([@#]__[A-Z]+__\s*$|@cc_on)/,
 								preserve_annotations: true,
 							},
 							module: modern,
diff --git a/test/__snapshots__/index.test.js.snap b/test/__snapshots__/index.test.js.snap

-Original file line number
+Diff line change
@@ @@ -0,0 +1,5 @@ @@
 +---
 +'microbundle': patch
 +---
++
 +Preserve terser annotations in compressed bundle