process.env & importable env typing support

Author: penalosa

packages/wrangler/e2e/types.test.ts

@@ -73,10 +73,13 @@ describe("types", () => {
 			"utf8"
 		);
 		expect(file).toMatchInlineSnapshot(`
-			"// Generated by Wrangler by running \`wrangler types --include-runtime=false\` (hash: 7fbca0b39560512499078acfe5f450c0)
-			interface Env {
-				MY_VAR: "my-var-value";
+			"// Generated by Wrangler by running \`wrangler types --include-runtime=false\` (hash: 7915eccca244b8d5c107e358ee5929e8)
+			declare namespace Cloudflare {
+				interface Env {
+					MY_VAR: "my-var-value";
+				}
 			}
+			interface Env extends Cloudflare.Env {}
 			"
 		`);
 	});
@@ -92,7 +95,7 @@ describe("types", () => {
 		).split("\n");
 
 		expect(lines[0]).toMatchInlineSnapshot(
-			`"// Generated by Wrangler by running \`wrangler types ./types.d.ts\` (hash: 7fbca0b39560512499078acfe5f450c0)"`
+			`"// Generated by Wrangler by running \`wrangler types ./types.d.ts\` (hash: 7915eccca244b8d5c107e358ee5929e8)"`
 		);
 		expect(lines[1]).match(
 			/\/\/ Runtime types generated with workerd@1\.\d{8}\.\d \d{4}-\d{2}-\d{2} ([a-z_]+,?)*/
@@ -119,7 +122,7 @@ describe("types", () => {
 		).split("\n");
 
 		expect(lines[0]).toMatchInlineSnapshot(
-			`"// Generated by Wrangler by running \`wrangler types -c wranglerA.toml --env-interface MyCloudflareEnv ./cflare-env.d.ts\` (hash: 8fcf1ed67a52a2d34d6d34c3068e89b8)"`
+			`"// Generated by Wrangler by running \`wrangler types -c wranglerA.toml --env-interface MyCloudflareEnv ./cflare-env.d.ts\` (hash: 2f74a5a99f09ae4d994228b5bb959d24)"`
 		);
 		expect(lines[1]).match(
 			/\/\/ Runtime types generated with workerd@1\.\d{8}\.\d \d{4}-\d{2}-\d{2} ([a-z_]+,?)*/