Don't use "composite": true in tsc (until it supports cycles) (#13242)

* [ts] Don't use project references

* Commit `tsconfig.json` so it's ready-to-go

* Remove `clean-tsconfig` task

* Fix dts generation

* Add comment

* `yarn`

* Review

* Fix regexp

scripts/generators/tsconfig.js

@@ -1,10 +1,6 @@
 import path from "path";
 import fs from "fs";
-import { createRequire } from "module";
 import { fileURLToPath } from "url";
-import globby from "globby";
-
-const require = createRequire(import.meta.url);
 
 const root = path.resolve(
   path.dirname(fileURLToPath(import.meta.url)),
@@ -18,15 +14,9 @@ function getTsPkgs(subRoot) {
     .map(name => ({
       name: name.replace(/^babel-/, "@babel/"),
       dir: path.resolve(root, subRoot, name),
+      relative: `./${subRoot}/${name}`,
     }))
-    .filter(({ dir }) => {
-      try {
-        fs.statSync(path.join(dir, "src", "index.ts"));
-        return true;
-      } catch {
-        return false;
-      }
-    });
+    .filter(({ dir }) => fs.existsSync(path.join(dir, "src", "index.ts")));
 }
 
 const tsPkgs = [
@@ -35,83 +25,20 @@ const tsPkgs = [
   ...getTsPkgs("codemods"),
 ];
 
-function sourceDeps(packageDir) {
-  const files = globby.sync(`src/**/*.ts`, {
-    cwd: packageDir,
-    onlyFiles: true,
-    dot: true,
-    ignore: ["**/node_modules/**"],
-  });
-  const result = new Set();
-  for (const file of files) {
-    const filename = path.join(packageDir, file);
-    const source = fs.readFileSync(filename, { encoding: "utf8" });
-
-    for (const [importSource] of source.matchAll(
-      /(?<=from\s*")@babel\/[^"/]+/g
-    )) {
-      result.add(importSource);
-    }
-  }
-  return result;
-}
-
-for (const { dir } of tsPkgs) {
-  const pkg = require(`${dir}/package.json`);
-
-  try {
-    const tsconfig = require(`${dir}/tsconfig.json`);
-    // Don't overwrite manually written configs
-    if (!tsconfig.generated) continue;
-  } catch {}
-
-  const deps = new Set([
-    ...(pkg.dependencies ? Object.keys(pkg.dependencies) : []),
-    ...(pkg.peerDependencies ? Object.keys(pkg.peerDependencies) : []),
-    // todo(flow->ts): update dependencies in package.json if dependency declared incorrectly
-    ...sourceDeps(dir),
-  ]);
-
-  const references = [];
-  for (const dep of deps) {
-    if (!dep.startsWith("@babel/")) continue;
-    for (const { name, dir: depDir } of tsPkgs) {
-      if (name === dep) {
-        references.push({ path: path.relative(dir, depDir) });
-        break;
-      }
-    }
-  }
-
-  fs.writeFileSync(
-    path.resolve(dir, "tsconfig.json"),
+fs.writeFileSync(
+  path.resolve(root, `tsconfig.json`),
+  "/* This file is automatically generated by scripts/generators/tconfig.js */\n" +
     JSON.stringify(
       {
-        generated: true,
-        extends: "../../tsconfig.base.json",
+        extends: "./tsconfig.base.json",
+        include: tsPkgs.map(({ relative }) => `${relative}/src/**/*.ts`),
         compilerOptions: {
-          outDir: "./lib",
-          rootDir: "./src",
+          paths: Object.fromEntries(
+            tsPkgs.map(({ name, relative }) => [name, [`${relative}/src`]])
+          ),
         },
-        include: ["./src/**/*"],
-        references,
       },
       null,
       2
     )
-  );
-}
-
-fs.writeFileSync(
-  path.resolve(root, `tsconfig.json`),
-  JSON.stringify(
-    {
-      files: [],
-      references: tsPkgs.map(({ dir }) => ({
-        path: path.relative(root, dir),
-      })),
-    },
-    null,
-    2
-  )
 );