Replace execa with nano-spawn (#17128)

tests/config/install-prettier.js

@@ -1,14 +1,17 @@
+import { spawnSync } from "node:child_process";
 import crypto from "node:crypto";
 import fs from "node:fs";
 import os from "node:os";
 import path from "node:path";
 import chalk from "chalk";
-import { execaSync } from "execa";
 import { outdent } from "outdent";
 
 const createTemporaryDirectory = () => {
   const directory = path.join(
-    os.tmpdir(),
+    // The following quoted from https://github.com/es-tooling/module-replacements/blob/27d1acd38f19741e31d2eae561a5c8a914373fc5/docs/modules/tempy.md?plain=1#L20-L21, not sure if it's true
+    // MacOS and possibly some other platforms return a symlink from `os.tmpdir`.
+    // For some applications, this can cause problems; thus, we use `realpath`.
+    fs.realpathSync(os.tmpdir()),
     crypto.randomBytes(16).toString("hex"),
   );
   fs.mkdirSync(directory);
@@ -51,8 +54,10 @@ function cleanUp() {
 function installPrettier(packageDirectory) {
   const temporaryDirectory = createTemporaryDirectory();
   directoriesToClean.add(temporaryDirectory);
-  const fileName = execaSync("npm", ["pack"], {
+  const fileName = spawnSync("npm", ["pack"], {
     cwd: packageDirectory,
+    shell: true,
+    encoding: "utf8",
   }).stdout.trim();
   const file = path.join(packageDirectory, fileName);
   const packed = path.join(temporaryDirectory, fileName);
@@ -60,7 +65,7 @@ function installPrettier(packageDirectory) {
   fs.unlinkSync(file);
 
   const runNpmClient = (args) =>
-    execaSync(client, args, { cwd: temporaryDirectory });
+    spawnSync(client, args, { cwd: temporaryDirectory, shell: true });
 
   runNpmClient(client === "pnpm" ? ["init"] : ["init", "-y"]);