fix: use Terser for Rspack 1.5.0 and above temporarily (#1273)

jbroma · web-flow · commit 03e10658bfa0 · 2025-08-26T16:24:13.000+02:00
diff --git a/.changeset/rare-squids-worry.md b/.changeset/rare-squids-worry.md
@@ -0,0 +1,5 @@
+---
+"@callstack/repack": patch
+---
+
+Use Terser for Rspack 1.5.0 and above
diff --git a/packages/repack/src/commands/common/config/getMinimizerConfig.ts b/packages/repack/src/commands/common/config/getMinimizerConfig.ts
@@ -25,10 +25,11 @@ async function getTerserConfig(rootDir: string) {
   });
 }
 
-// use SwcJsMinimizerRspackPlugin for Rspack 1.5.0 and above
+// use SwcJsMinimizerRspackPlugin for Rspack 1.4.11
+// Rspack 1.5.0 broke the minimizer again, pending a fix
 function shouldUseTerserForRspack(rspackVersion: string): boolean {
   const version = semver.coerce(rspackVersion) ?? '0.0.0';
-  return semver.lt(version, '1.5.0');
+  return semver.eq(version, '1.4.11');
 }
 
 async function getWebpackMinimizer(rootDir: string) {

-Original file line number
+Diff line change
@@ @@ -0,0 +1,5 @@ @@
 +---
 +"@callstack/repack": patch
 +---
++
 +Use Terser for Rspack 1.5.0 and above
Original file line number	Diff line number	Diff line change
`@@ -25,10 +25,11 @@ async function getTerserConfig(rootDir: string) {`
`25`	`25`	`});`
`26`	`26`	`}`
`27`	`27`
`28`		`-// use SwcJsMinimizerRspackPlugin for Rspack 1.5.0 and above`
	`28`	`+// use SwcJsMinimizerRspackPlugin for Rspack 1.4.11`
	`29`	`+// Rspack 1.5.0 broke the minimizer again, pending a fix`
`29`	`30`	`function shouldUseTerserForRspack(rspackVersion: string): boolean {`
`30`	`31`	`const version = semver.coerce(rspackVersion) ?? '0.0.0';`
`31`		`- return semver.lt(version, '1.5.0');`
	`32`	`+ return semver.eq(version, '1.4.11');`
`32`	`33`	`}`
`33`	`34`
`34`	`35`	`async function getWebpackMinimizer(rootDir: string) {`