Fix bundling for bun not using ascii_only (#9571)

* Fix bundling not using ascii_only

* add utf8 test to bundler_compile & make test source ascii

* [autofix.ci] apply automated fixes

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

src/js_printer.zig

@@ -6036,7 +6036,8 @@ pub fn printWithWriterAndPlatform(
  comptime generate_source_maps: bool,
 ) PrintResult {
  const PrinterType = NewPrinter(
- false,
+ // if it's bun, it is also ascii_only
+ is_bun_platform,
  Writer,
  false,
  is_bun_platform,

test/bundler/bundler_compile.test.ts

@@ -220,4 +220,13 @@ describe("bundler", () => {
  },
  run: { stdout: "Hello, world!", setCwd: true },
  });
+ itBundled("compile/Utf8", {
+ compile: true,
+ files: {
+ "/entry.ts": /* js */ `
+ console.log(JSON.stringify({\u{6211}: "\u{6211}"}));
+ `,
+ },
+ run: { stdout: '{"\u{6211}":"\u{6211}"}' },
+ });
 });

test/regression/issue/09559.test.ts

@@ -0,0 +1,24 @@
+import { $ } from "bun";
+import { expect, test } from "bun:test";
+import { bunEnv, bunExe, tempDirWithFiles } from "harness";
+import { readdirSync } from "node:fs";
+import { join } from "path";
+
+test("bun build --target bun should support non-ascii source", async () => {
+ const files = {
+ "index.js": `
+ console.log(JSON.stringify({\u{6211}: "a"}));
+
+ const \u{6211} = "b";
+ console.log(JSON.stringify({\u{6211}}));
+ `,
+ };
+ const filenames = Object.keys(files);
+ const source = tempDirWithFiles("source", files);
+
+ $.throws(true);
+ await $`${bunExe()} build --target bun ${join(source, "index.js")} --outfile ${join(source, "bundle.js")}`;
+ const result = await $`${bunExe()} ${join(source, "bundle.js")}`.text();
+
+ expect(result).toBe(`{"\u{6211}":"a"}\n{"\u{6211}":"b"}\n`);
+});