add pnpm check script

Author: jrmajor

package.json

@@ -19,6 +19,7 @@
         "./package.json": "./package.json"
     },
     "scripts": {
+        "check": "tsc --noEmit",
         "build": "rollup -c",
         "test": "ava",
         "prepare": "npm run build",

src/index.ts

@@ -78,7 +78,6 @@ export const printers: Record<string, Printer> = {
     'svelte-ast': {
         print,
         embed,
-        // @ts-expect-error Prettier's type definitions are wrong
         getVisitorKeys,
     },
 };