types: expose Bun.Env (#3111)

* expose Bun.Env

* export bun.Env

* fix: use import instead namespace access

* fix(child_process): use import

* tests(env): use module instead namespace

4 files changed, 26 insertions, 29 deletions

diff --git a/packages/bun-types/bun.d.ts b/packages/bun-types/bun.d.ts
index 40dce6bf4..7721a4846 100644
--- a/packages/bun-types/bun.d.ts
+++ b/packages/bun-types/bun.d.ts
@@ -2,27 +2,6 @@ interface VoidFunction {
   (): void;
 }
 
-declare namespace Bun {
-  interface Env extends Dict<string> {
-    NODE_ENV: string;
-
-    /**
-     * The timezone used by Intl, Date, etc.
-     *
-     * To change the timezone, set `Bun.env.TZ` or `process.env.TZ` to the time zone you want to use.
-     *
-     * You can view the current timezone with `Intl.DateTimeFormat().resolvedOptions().timeZone`
-     *
-     * @example
-     * ```js
-     * Bun.env.TZ = "America/Los_Angeles";
-     * console.log(Intl.DateTimeFormat().resolvedOptions().timeZone); // "America/Los_Angeles"
-     * ```
-     */
-    TZ?: string;
-  }
-}
-
 /**
  *
  * Bun.js runtime APIs
@@ -43,6 +22,26 @@ declare namespace Bun {
 declare module "bun" {
   type ArrayBufferView = TypedArray | DataView;
   import { Encoding as CryptoEncoding } from "crypto";
+  
+  export interface Env extends Dict<string> {
+    NODE_ENV: string;
+
+    /**
+     * The timezone used by Intl, Date, etc.
+     *
+     * To change the timezone, set `Bun.env.TZ` or `process.env.TZ` to the time zone you want to use.
+     *
+     * You can view the current timezone with `Intl.DateTimeFormat().resolvedOptions().timeZone`
+     *
+     * @example
+     * ```js
+     * Bun.env.TZ = "America/Los_Angeles";
+     * console.log(Intl.DateTimeFormat().resolvedOptions().timeZone); // "America/Los_Angeles"
+     * ```
+     */
+    TZ?: string;
+  }
+  
   /**
    * The environment variables of the process
    *
@@ -51,7 +50,7 @@ declare module "bun" {
    * Changes to `process.env` at runtime won't automatically be reflected in the default value. For that, you can pass `process.env` explicitly.
    *
    */
-  export const env: Bun.Env;
+  export const env: Env;
   export const origin: string;
 
   /**
diff --git a/packages/bun-types/child_process.d.ts b/packages/bun-types/child_process.d.ts
index 04389986f..58dc69f06 100644
--- a/packages/bun-types/child_process.d.ts
+++ b/packages/bun-types/child_process.d.ts
@@ -704,7 +704,7 @@ declare module "child_process" {
     uid?: number | undefined;
     gid?: number | undefined;
     cwd?: string | URL | undefined;
-    env?: Partial<Bun.Env> | undefined;
+    env?: Partial<import("bun").Env> | undefined;
   }
   interface CommonOptions extends ProcessEnvOptions {
     /**
diff --git a/packages/bun-types/globals.d.ts b/packages/bun-types/globals.d.ts
index 47ccb85e7..f99378101 100644
--- a/packages/bun-types/globals.d.ts
+++ b/packages/bun-types/globals.d.ts
@@ -367,7 +367,7 @@ interface Process {
   platform: Platform;
   argv: string[];
   execArgv: string[];
-  env: Bun.Env;
+  env: import("bun").Env;
 
   /** Whether you are using Bun */
   isBun: 1; // FIXME: this should actually return a boolean
diff --git a/packages/bun-types/tests/env.test-d.ts b/packages/bun-types/tests/env.test-d.ts
index c2611e1a7..a09d7c596 100644
--- a/packages/bun-types/tests/env.test-d.ts
+++ b/packages/bun-types/tests/env.test-d.ts
@@ -1,10 +1,8 @@
 import { expectType } from "tsd";
 
-declare global {
-  namespace Bun {
-    interface Env {
-      WHATEVER: "WHATEVER";
-    }
+declare module "bun" {
+  export interface Env {
+    WHATEVER: "WHATEVER";
   }
 }