fix: tsc should output errors in non node_modules files

package.json

@@ -25,7 +25,7 @@
     "jshint": "npx -p jshint@2.x -- jshint -c ./.jshintrc ./*.js",
     "prettier": "npx -p prettier@2.x -- prettier -w '**/*.{js,md}'",
     "reexport-types": "npx -p jswt@1.x -- reexport",
-    "tsc": "! npx -p typescript@5.x -- tsc -p ./jsconfig.json | grep '\\.js(\\d\\+,\\d\\+): error' | grep -q -v '^node_modules/'"
+    "tsc": "! npx -p typescript@5.x -- tsc -p ./jsconfig.json | grep '\\.js(\\d\\+,\\d\\+): error' | grep -v '\\<node_modules/'"
   },
   "repository": {
     "type": "git",