Automate checksum generation for standalone CLI (#14081)

standalone-cli/scripts/checksum.mjs

@@ -0,0 +1,27 @@
+import { createHash } from 'node:crypto'
+import { readFile, writeFile } from 'node:fs/promises'
+import * as path from 'node:path'
+
+const files = [
+  './tailwindcss-linux-arm64',
+  './tailwindcss-linux-armv7',
+  './tailwindcss-linux-x64',
+  './tailwindcss-macos-arm64',
+  './tailwindcss-macos-x64',
+  './tailwindcss-windows-arm64.exe',
+  './tailwindcss-windows-x64.exe',
+]
+
+const __dirname = path.dirname(new URL(import.meta.url).pathname)
+
+const lines = await Promise.all(
+  files.map(async (file) => {
+    let sum = createHash('sha256')
+      .update(await readFile(path.resolve(__dirname, '../dist', file)))
+      .digest('hex')
+
+    return `${sum}  ${file}`
+  })
+)
+
+await writeFile(path.resolve(__dirname, '../dist', 'sha256sums.txt'), lines.join('\n') + '\n')