Add builtin exports list

test/exports/generate-exports.mjs

@@ -0,0 +1,211 @@
+// This generates a list of all the shapes of all builtin modules and their typeof values.
+//
+// To run:
+//
+//   bun generate-exports.mjs > node-exports.bun-${version}.json
+//   bun generate-exports.mjs bun > bun-exports.bun-${version}.json
+//   node generate-exports.mjs > node-exports.node-$(node --version).json
+//
+import { createRequire } from "node:module";
+import process from "node:process";
+
+const nodeBuiltins = [
+  "_http_agent",
+  "_http_client",
+  "_http_common",
+  "_http_incoming",
+  "_http_outgoing",
+  "_http_server",
+  "_stream_duplex",
+  "_stream_passthrough",
+  "_stream_readable",
+  "_stream_transform",
+  "_stream_wrap",
+  "_stream_writable",
+  "_tls_common",
+  "_tls_wrap",
+  "assert",
+  "assert/strict",
+  "async_hooks",
+  "buffer",
+  "child_process",
+  "cluster",
+  "console",
+  "constants",
+  "crypto",
+  "dgram",
+  "diagnostics_channel",
+  "dns",
+  "dns/promises",
+  "domain",
+  "events",
+  "fs",
+  "fs/promises",
+  "http",
+  "http2",
+  "https",
+  "inspector",
+  "inspector/promises",
+  "module",
+  "net",
+  "os",
+  "path",
+  "path/posix",
+  "path/win32",
+  "perf_hooks",
+  "process",
+  "punycode",
+  "querystring",
+  "readline",
+  "readline/promises",
+  "repl",
+  "stream",
+  "stream/consumers",
+  "stream/promises",
+  "stream/web",
+  "string_decoder",
+  "sys",
+  "test/reporters",
+  "timers",
+  "timers/promises",
+  "tls",
+  "trace_events",
+  "tty",
+  "url",
+  "util",
+  "util/types",
+  "v8",
+  "vm",
+  "wasi",
+  "worker_threads",
+  "zlib",
+]
+  .map(a => "node:" + a)
+  .sort();
+
+const bunBuiltins = [
+  "buffer",
+  "bun:ffi",
+  "bun:jsc",
+  "bun:main",
+  "bun:sqlite",
+  "bun:events_native",
+  "detect-libc",
+  "node:assert",
+  "node:assert/strict",
+  "node:async_hooks",
+  "node:buffer",
+  "node:child_process",
+  "node:cluster",
+  "node:crypto",
+  "node:dgram",
+  "node:diagnostics_channel",
+  "node:dns",
+  "node:dns/promises",
+  "node:events",
+  "node:fs",
+  "node:fs/promises",
+  "node:http",
+  "node:http2",
+  "node:https",
+  "node:inspector",
+  "node:module",
+  "node:net",
+  "node:os",
+  "node:path",
+  "node:path/posix",
+  "node:path/win32",
+  "node:perf_hooks",
+  "node:process",
+  "node:readline",
+  "node:readline/promises",
+  "node:repl",
+  "node:stream",
+  "node:stream/consumers",
+  "node:stream/promises",
+  "node:stream/web",
+  "node:string_decoder",
+  "node:timers",
+  "node:timers/promises",
+  "node:tls",
+  "node:trace_events",
+  "node:tty",
+  "node:url",
+  "node:util",
+  "node:util/types",
+  "node:v8",
+  "node:vm",
+  "node:wasi",
+  "node:zlib",
+].sort();
+
+const require = createRequire(import.meta.url);
+
+const imported = {};
+const required = {};
+const errors = {};
+
+function resolveNested([key, v], stop) {
+  let nested;
+  if ((v && typeof v === "object") || typeof v === "function") {
+    const entries = Object.fromEntries(
+      Object.entries(v)
+        .map(([ak, av]) => {
+          var display = typeof av;
+
+          if (av && (typeof av === "function" || typeof av === "object")) {
+            const list = Object.fromEntries(
+              Object.entries(av)
+                .map(([ak2, av2]) => [ak2, typeof av2])
+                .sort(),
+            );
+
+            for (let key in list) {
+              display = list;
+              break;
+            }
+          }
+
+          return [ak, display];
+        })
+        .sort(),
+    );
+
+    for (let key in entries) {
+      nested = entries;
+      break;
+    }
+  }
+
+  return [key, nested || typeof v];
+}
+
+async function processBuiltins(builtins) {
+  for (const builtin of builtins) {
+    try {
+      imported[builtin] = Object.fromEntries(
+        Object.entries(await import(builtin))
+          .map(resolveNested)
+          .sort(),
+      );
+      required[builtin] = Object.fromEntries(Object.entries(require(builtin)).map(resolveNested).sort());
+    } catch ({ name, message }) {
+      errors[builtin] = { name, message };
+    }
+  }
+}
+
+process.stdout.write(
+  JSON.stringify(
+    {
+      builtins: await processBuiltins(process.argv.at(-1) === "bun" ? bunBuiltins : nodeBuiltins),
+      import: imported,
+      require: required,
+      runtime: typeof Bun !== "undefined" ? "bun" : "node",
+      version: typeof Bun !== "undefined" ? Bun.version : process.version,
+      errors,
+    },
+    null,
+    2,
+  ),
+);