Add bun-types, add typechecking, add `child_process` types (#1475)

* Add bun-types to packages

* Improve typing

* Fix types in tests

* Fix dts tests

* Run formatter

* Fix all type errors

* Add strict mode, fix type errors

* Add ffi changes

* Move workflows to root

* Add workflows

* Remove labeler

* Add child_process types

* Fix synthetic defaults issue

* Remove docs

* Move scripts

* Run prettier

* Include examples in typechecking

* captureStackTrace types

* moved captureStackTrace types to globals

* Address reviews

Co-authored-by: Colin McDonnell <colinmcd@alum.mit.edu>
Co-authored-by: Dylan Conway <dylan.conway567@gmail.com>

14 files changed, 51 insertions, 47 deletions

diff --git a/examples/bun-hot-websockets.js b/examples/bun-hot-websockets.js
index 1656d2eb5..7cdaf0f02 100644
--- a/examples/bun-hot-websockets.js
+++ b/examples/bun-hot-websockets.js
@@ -83,7 +83,7 @@ export default {
         headers: {
           "Content-Type": "text/html; charset=utf-8",
         },
-      }
+      },
     );
   },
 };
diff --git a/examples/cat.ts b/examples/cat.ts
index a7d60b347..01a059ad0 100644
--- a/examples/cat.ts
+++ b/examples/cat.ts
@@ -1,6 +1,6 @@
 import { resolve } from "path";
 const { write, stdout, file } = Bun;
-const { argv } = process;
+import { argv } from "process";
 
-const path = resolve(argv.at(-1));
+const path = resolve(argv.at(-1)!);
 await write(stdout, file(path));
diff --git a/examples/html-rewriter.ts b/examples/html-rewriter.ts
index a2a9d03fa..877b957b7 100644
--- a/examples/html-rewriter.ts
+++ b/examples/html-rewriter.ts
@@ -1,4 +1,5 @@
 // Start a fast HTTP server from a function
+
 Bun.serve({
   async fetch(req) {
     const { pathname } = new URL(req.url);
@@ -9,21 +10,21 @@ Bun.serve({
         "Enter a path that starts with https:// or http://\n",
         {
           status: 400,
-        }
+        },
       );
     }
 
     const response = await fetch(
       req.url.substring("http://localhost:3000/".length),
-      req.clone()
+      req.clone(),
     );
 
     return new HTMLRewriter()
       .on("a[href]", {
-        element(element: Element) {
+        element(element) {
           element.setAttribute(
             "href",
-            "https://www.youtube.com/watch?v=dQw4w9WgXcQ"
+            "https://www.youtube.com/watch?v=dQw4w9WgXcQ",
           );
         },
       })
diff --git a/examples/http-file.ts b/examples/http-file.ts
index 130104534..fdf47f949 100644
--- a/examples/http-file.ts
+++ b/examples/http-file.ts
@@ -1,4 +1,4 @@
-import { file } from "bun";
+import { file, serve } from "bun";
 
 serve({
   fetch(req: Request) {
diff --git a/examples/http-request-body.ts b/examples/http-request-body.ts
index 6ce356ce0..b9a454889 100644
--- a/examples/http-request-body.ts
+++ b/examples/http-request-body.ts
@@ -6,11 +6,12 @@ serve({
     const body = req.body;
 
     const writer = Bun.file(`upload.${Date.now()}.txt`).writer();
-    for await (const chunk of body) {
+    for await (const chunk of body!) {
       writer.write(chunk);
     }
     const wrote = await writer.end();
 
+    // @ts-ignore
     return Response.json({ wrote, type: req.headers.get("Content-Type") });
   },
 });
diff --git a/examples/lambda.ts b/examples/lambda.ts
index ab2d5bb2b..da1a7d9ee 100644
--- a/examples/lambda.ts
+++ b/examples/lambda.ts
@@ -35,7 +35,7 @@ var Handler;
 
 try {
   Handler = await import(sourcefile);
-} catch (e) {
+} catch (e: any) {
   console.error("Error loading sourcefile:", e);
   try {
     await fetch(
@@ -51,7 +51,7 @@ try {
           errorType: e.name,
           stackTrace: e?.stack?.split("\n") ?? [],
         }),
-      }
+      },
     );
   } catch (e2) {
     console.error("Error sending error to runtime:", e2);
@@ -92,7 +92,7 @@ export default {
           errorType: e.name,
           stackTrace: e?.stack?.split("\n") ?? [],
         }),
-      }
+      },
     );
   } catch (e2) {
     console.error("Error sending error to runtime:", e2);
@@ -109,7 +109,7 @@ if ("baseURI" in Handler.default) {
 var baseURL;
 try {
   baseURL = new URL(baseURLString);
-} catch (e) {
+} catch (e: any) {
   console.error("Error parsing baseURI:", e);
   try {
     await fetch(
@@ -125,7 +125,7 @@ try {
           errorType: e.name,
           stackTrace: e?.stack?.split("\n") || [],
         }),
-      }
+      },
     );
   } catch (e2) {
     console.error("Error sending error to runtime:", e2);
@@ -147,7 +147,7 @@ async function runHandler(response: Response) {
   });
   // we are done with the Response object here
   // allow it to be GC'd
-  response = undefined;
+  (response as any) = undefined;
 
   var result: Response;
   try {
@@ -155,10 +155,10 @@ async function runHandler(response: Response) {
       console.time(`[${traceID}] Run ${request.url}`);
     }
     result = handlerFunction(request, {});
-    if (result && result.then) {
+    if (result && (result as any).then) {
       await result;
     }
-  } catch (e1) {
+  } catch (e1: any) {
     if (typeof process.env.VERBOSE !== "undefined") {
       console.error(`[${traceID}] Error running handler:`, e1);
     }
@@ -172,7 +172,7 @@ async function runHandler(response: Response) {
           errorType: e1.name,
           stackTrace: e1?.stack?.split("\n") ?? [],
         }),
-      }
+      },
     ).finally(noop);
     return;
   } finally {
@@ -191,7 +191,7 @@ async function runHandler(response: Response) {
           errorType: "ExpectedResponseObject",
           stackTrace: [],
         }),
-      }
+      },
     );
     return;
   }
@@ -202,9 +202,9 @@ async function runHandler(response: Response) {
       method: "POST",
       headers: result.headers,
       body: await result.blob(),
-    }
+    },
   );
-  result = undefined;
+  (result as any) = undefined;
 }
 
 while (true) {
diff --git a/examples/macros/bun.lockb b/examples/macros/bun.lockb
new file mode 100755
index 000000000..2e6de7391
--- /dev/null
+++ b/examples/macros/bun.lockb
diff --git a/examples/macros/components/covid19.tsx b/examples/macros/components/covid19.tsx
index 52fee2ff3..330661c82 100644
--- a/examples/macros/components/covid19.tsx
+++ b/examples/macros/components/covid19.tsx
@@ -6,7 +6,7 @@ export const Covid19 = () => {
     {
       last: 100,
       columns: ["New_cases", "Date_reported", "Country"],
-    }
+    },
   );
 
   return (
diff --git a/examples/macros/components/example.jsx b/examples/macros/components/example.jsx
index ad80ce9e1..84d2d92e9 100644
--- a/examples/macros/components/example.jsx
+++ b/examples/macros/components/example.jsx
@@ -10,7 +10,7 @@ export const IPAddresses = () => (
           <div className="Line" key={index}>
             {ipAddress}
           </div>
-        )
+        ),
       )}
     </div>
   </div>
diff --git a/examples/macros/mystery-box.ts b/examples/macros/mystery-box.ts
index 4dff5d003..6583c9868 100644
--- a/examples/macros/mystery-box.ts
+++ b/examples/macros/mystery-box.ts
@@ -1,13 +1,16 @@
 export function mysteryBox(callExpression) {
   console.log(callExpression.log);
   // get arguments
-  const [ countNode ] = callExpression.arguments;
+  const [countNode] = callExpression.arguments;
   const countString: string = countNode.get();
   const count: number = parseInt(countString, 10);
 
   // validate
-  if(!(count >= 1 && count <= 1000)) return new Error(`Argument ${countString} is expected to be between 1 and 1000`);
+  if (!(count >= 1 && count <= 1000))
+    return new Error(
+      `Argument ${countString} is expected to be between 1 and 1000`,
+    );
 
   // return a value
-  return (Math.random() * count)|0;
+  return (Math.random() * count) | 0;
 }
diff --git a/examples/react-fast-refresh-test/bun.lockb b/examples/react-fast-refresh-test/bun.lockb
new file mode 100755
index 000000000..a3cf88405
--- /dev/null
+++ b/examples/react-fast-refresh-test/bun.lockb
diff --git a/examples/react-fast-refresh-test/tsconfig.json b/examples/react-fast-refresh-test/tsconfig.json
index 401ede344..d543b6472 100644
--- a/examples/react-fast-refresh-test/tsconfig.json
+++ b/examples/react-fast-refresh-test/tsconfig.json
@@ -1,7 +1,11 @@
 {
   "compilerOptions": {
     "target": "esnext",
-    "lib": ["dom", "dom.iterable", "esnext"],
+    "lib": [
+      "dom",
+      "dom.iterable",
+      "esnext"
+    ],
     "allowJs": true,
     "skipLibCheck": true,
     "strict": false,
@@ -14,6 +18,12 @@
     "isolatedModules": true,
     "jsx": "preserve"
   },
-  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx"],
-  "exclude": ["node_modules"]
-}
+  "include": [
+    "next-env.d.ts",
+    "**/*.ts",
+    "**/*.tsx"
+  ],
+  "exclude": [
+    "node_modules"
+  ]
+}
\ No newline at end of file
diff --git a/examples/spawn.ts b/examples/spawn.ts
index a590a94f3..d72a118b9 100644
--- a/examples/spawn.ts
+++ b/examples/spawn.ts
@@ -8,7 +8,7 @@ const target = basename(repo) + "-main";
 console.log("Downloading", repo, "to", "/tmp/" + target);
 
 const archive = await fetch(
-  `https://github.com/${repo}/archive/refs/heads/main.tar.gz`
+  `https://github.com/${repo}/archive/refs/heads/main.tar.gz`,
 );
 
 // remove the directory if it already exists locally
@@ -29,14 +29,11 @@ await tar.exited;
 if (!which("vercel")) {
   console.log("Installing vercel...");
 
-  const installer = spawn(
-    { cmd: ["bun", "install", "-g", "vercel"] },
-    {
-      stderr: "inherit",
-      stdout: "inherit",
-      stdin: "inherit",
-    }
-  );
+  const installer = spawn(["bun", "install", "-g", "vercel"], {
+    stderr: "inherit",
+    stdout: "inherit",
+    stdin: "inherit",
+  });
   await installer.exited;
 
   if (!which("vercel")) {
diff --git a/examples/tsconfig.json b/examples/tsconfig.json
deleted file mode 100644
index 404c353e6..000000000
--- a/examples/tsconfig.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "compilerOptions": {
-    "lib": ["ESNext"],
-    "module": "esnext",
-    "target": "esnext",
-    "typeRoots": ["../types"]
-  }
-}