From 846f6aa577119d2cb16ade0d709f279dd57b9aec Mon Sep 17 00:00:00 2001
From: Claude Bot <claude-bot@bun.sh>
Date: Mon, 16 Feb 2026 07:23:46 +0000
Subject: [PATCH] fix(compile): enable package.json loading by default in
 compiled executables

Compiled executables could not resolve external modules that use `main`,
`exports`, or `module` fields in their package.json. This was a regression
from #25340 which introduced `--compile-autoload-package-json` defaulting
to `false`, causing the resolver to skip reading package.json files at
runtime.

Closes #27058

Co-Authored-By: Claude <noreply@anthropic.com>
---
 src/bun.js/api/JSBundler.zig         |  2 +-
 src/cli.zig                          |  2 +-
 test/bundler/bundler_compile.test.ts | 48 ++++++++++++++++++++++++++++
 3 files changed, 50 insertions(+), 2 deletions(-)

diff --git a/src/bun.js/api/JSBundler.zig b/src/bun.js/api/JSBundler.zig
index 3d652f3b45..fa9120d6f6 100644
--- a/src/bun.js/api/JSBundler.zig
+++ b/src/bun.js/api/JSBundler.zig
@@ -276,7 +276,7 @@ pub const JSBundler = struct {
             autoload_dotenv: bool = true,
             autoload_bunfig: bool = true,
             autoload_tsconfig: bool = false,
-            autoload_package_json: bool = false,
+            autoload_package_json: bool = true,
 
             pub fn fromJS(globalThis: *jsc.JSGlobalObject, config: jsc.JSValue, allocator: std.mem.Allocator, compile_target: ?CompileTarget) JSError!?CompileOptions {
                 var this = CompileOptions{
diff --git a/src/cli.zig b/src/cli.zig
index ca3ea8c083..1dbacd8da9 100644
--- a/src/cli.zig
+++ b/src/cli.zig
@@ -477,7 +477,7 @@ pub const Command = struct {
             compile_autoload_dotenv: bool = true,
             compile_autoload_bunfig: bool = true,
             compile_autoload_tsconfig: bool = false,
-            compile_autoload_package_json: bool = false,
+            compile_autoload_package_json: bool = true,
             compile_executable_path: ?[]const u8 = null,
             windows: options.WindowsOptions = .{},
         };
diff --git a/test/bundler/bundler_compile.test.ts b/test/bundler/bundler_compile.test.ts
index c7758f2343..bdb82cf26e 100644
--- a/test/bundler/bundler_compile.test.ts
+++ b/test/bundler/bundler_compile.test.ts
@@ -564,6 +564,54 @@ describe("bundler", () => {
     },
     compile: true,
   });
+  // https://github.com/oven-sh/bun/issues/27058
+  itBundled("compile/DynamicRequireWithPackageJsonMain", {
+    files: {
+      "/entry.tsx": /* tsx */ `
+        const req = (x) => require(x);
+        const result = req('pkg-with-main');
+        console.log(JSON.stringify(result));
+      `,
+      "/node_modules/pkg-with-main/package.json": JSON.stringify({ name: "pkg-with-main", main: "lib/index.js" }),
+      "/node_modules/pkg-with-main/lib/index.js": "throw new Error('Must be runtime import.')",
+    },
+    runtimeFiles: {
+      "/node_modules/pkg-with-main/package.json": JSON.stringify({ name: "pkg-with-main", main: "lib/index.js" }),
+      "/node_modules/pkg-with-main/lib/index.js": `module.exports = { hello: "world" };`,
+    },
+    run: {
+      stdout: '{"hello":"world"}',
+      setCwd: true,
+    },
+    compile: true,
+  });
+  // https://github.com/oven-sh/bun/issues/27058
+  itBundled("compile/DynamicRequireWithPackageJsonExports", {
+    files: {
+      "/entry.tsx": /* tsx */ `
+        const req = (x) => require(x);
+        const result = req('pkg-with-exports');
+        console.log(JSON.stringify(result));
+      `,
+      "/node_modules/pkg-with-exports/package.json": JSON.stringify({
+        name: "pkg-with-exports",
+        exports: { ".": "./src/entry.js" },
+      }),
+      "/node_modules/pkg-with-exports/src/entry.js": "throw new Error('Must be runtime import.')",
+    },
+    runtimeFiles: {
+      "/node_modules/pkg-with-exports/package.json": JSON.stringify({
+        name: "pkg-with-exports",
+        exports: { ".": "./src/entry.js" },
+      }),
+      "/node_modules/pkg-with-exports/src/entry.js": `module.exports = { status: "ok" };`,
+    },
+    run: {
+      stdout: '{"status":"ok"}',
+      setCwd: true,
+    },
+    compile: true,
+  });
   // see comment in `usePackageManager` for why this is a test
   itBundled("compile/NoAutoInstall", {
     files: {