Code optimization

gulpfile.js

@@ -1,17 +1,13 @@
 import gulp from "gulp";
 import {spawn} from "node:child_process";
-import {cp, readdir, readFile, rm, writeFile} from "node:fs/promises";
-import {EOL} from "node:os";
+import {readdir, rm} from "node:fs/promises";
 import {join} from "node:path";
 import {env} from "node:process";
 import pkg from "./package.json" with {type: "json"};
 
 /** Builds the project. */
 export async function build() {
 	await npx("tsc", "--build", "src/tsconfig.json");
-	await cp("src/types.d.ts", "lib/types.d.ts");
-	const types = await readFile("lib/index.d.ts", "utf8");
-	await writeFile("lib/index.d.ts", types.replace("//# sourceMappingURL", `import "./types.js";${EOL}//# sourceMappingURL`));
 }
 
 /** Deletes all generated files. */

src/index.ts

@@ -1,2 +1,3 @@
 export * from "./eta.js";
+export type * from "./koa.js";
 export * from "./playwright.js";