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-rw-r--r--src/js_printer.zig1
-rw-r--r--test/bundler/bundler_minify.test.ts20
2 files changed, 21 insertions, 0 deletions
diff --git a/src/js_printer.zig b/src/js_printer.zig
index d81499a36..f0ea20c34 100644
--- a/src/js_printer.zig
+++ b/src/js_printer.zig
@@ -981,6 +981,7 @@ fn NewPrinter(
p.print("void 0");
}
} else {
+ p.printSpaceBeforeIdentifier();
p.addSourceMapping(loc);
p.print("undefined");
}
diff --git a/test/bundler/bundler_minify.test.ts b/test/bundler/bundler_minify.test.ts
index fb6b8db7a..7e1c7ec12 100644
--- a/test/bundler/bundler_minify.test.ts
+++ b/test/bundler/bundler_minify.test.ts
@@ -307,4 +307,24 @@ describe("bundler", () => {
stdout: "PASS",
},
});
+ // https://github.com/oven-sh/bun/issues/6750
+ itBundled("minify/SwitchUndefined", {
+ files: {
+ "/entry.js": /* js */ `
+ switch (1) {
+ case undefined: {
+ }
+ }
+ console.log("PASS");
+ `,
+ },
+ minifyWhitespace: true,
+ minifySyntax: false,
+ minifyIdentifiers: false,
+ target: "bun",
+ backend: "cli",
+ run: {
+ stdout: "PASS",
+ },
+ });
});