Regenerate monorepo READMEs (#14006)

* Fix script to generate readmes

* Regenerate READMEs

scripts/generators/readmes.js

@@ -7,7 +7,7 @@
 
 import { join } from "path";
 import { readdirSync, writeFileSync } from "fs";
-import { createRequire } from "url";
+import { createRequire } from "module";
 
 const require = createRequire(import.meta.url);
 
@@ -16,7 +16,12 @@ const cwd = process.cwd();
 const packageDir = join(cwd, "packages");
 
 const packages = readdirSync(packageDir);
-const packagesInstalledToDep = ["@babel/runtime"];
+
+const isDep = name =>
+  name.startsWith("@babel/runtime") ||
+  name.startsWith("@babel/helper-") ||
+  name === "@babel/compat-data";
+
 const getWebsiteLink = n => `https://babeljs.io/docs/en/${n}`;
 const getPackageJson = pkg => require(join(packageDir, pkg, "package.json"));
 const getIssueLabelLink = l =>
@@ -24,11 +29,8 @@ const getIssueLabelLink = l =>
     l
   )}%22+is%3Aopen`;
 const getNpmInstall = name =>
-  `npm install ${
-    packagesInstalledToDep.includes(name) ? "--save" : "--save-dev"
-  } ${name}`;
-const getYarnAdd = name =>
-  `yarn add ${name} ${packagesInstalledToDep.includes(name) ? "" : "--dev"}`;
+  `npm install ${isDep(name) ? "--save" : "--save-dev"} ${name}`;
+const getYarnAdd = name => `yarn add ${name}${isDep(name) ? "" : " --dev"}`;
 
 const labels = {
   "babel-preset-flow": getIssueLabelLink("area: flow"),