perf: drop execa

We don't actually use it in the main vite package, so that one is an
easy win.

In the electron package, we use it only to launch a well known path,
i.e. we don't use any features of `execa`. So we should be able to
switch to using the built in `child_process` module directly.

Author: 43081j

package.json

@@ -94,7 +94,6 @@
     "eslint": "^9.35.0",
     "eslint-plugin-format": "^1.0.1",
     "eslint-vitest-rule-tester": "^2.2.1",
-    "execa": "^9.6.0",
     "fast-glob": "^3.3.3",
     "fs-extra": "^11.3.1",
     "jsdom": "^26.1.0",

packages/electron/package.json

@@ -40,7 +40,6 @@
     "@vue/devtools-kit": "workspace:^",
     "@vue/devtools-shared": "workspace:^",
     "electron": "^36.9.0",
-    "execa": "catalog:",
     "h3": "^1.15.4",
     "pathe": "catalog:",
     "socket.io": "^4.8.1",

packages/electron/src/cli.ts

@@ -1,13 +1,13 @@
+import { spawnSync } from 'node:child_process'
 import electron from 'electron'
-import { execaSync } from 'execa'
 import { resolve } from 'pathe'
 
 const appPath = decodeURIComponent(resolve(new URL('../dist/app.cjs', import.meta.url).pathname))
 const argv = process.argv.slice(2)
 
-const result = execaSync(electron as unknown as string, [appPath].concat(argv), {
+const result = spawnSync(electron as unknown as string, [appPath].concat(argv), {
   stdio: 'inherit',
-  windowsHide: false,
+  shell: process.platform === 'win32',
 })
 
-process.exit(result.exitCode)
+process.exit(result.status ?? 0)

packages/vite/package.json

@@ -51,7 +51,6 @@
     "@vue/devtools-core": "workspace:^",
     "@vue/devtools-kit": "workspace:^",
     "@vue/devtools-shared": "workspace:^",
-    "execa": "catalog:",
     "sirv": "^3.0.2",
     "vite-plugin-inspect": "catalog:",
     "vite-plugin-vue-inspector": "^5.3.2"