adding eslint

Author: Philipp Karlsson

.github/workflows/release-package.yml

@@ -12,7 +12,8 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: '19.x'
+          node-version: 'v19.1.0'
+          npm-version: '9.4.2'
       - name: npm install library
         working-directory: ./library
         run: npm install

.gitignore

@@ -1,6 +1,8 @@
 # See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
 
 # dependencies
+*/build
+*/dist
 */node_modules
 /.pnp
 .pnp.js

library/.eslintrc.json

@@ -0,0 +1,9 @@
+{
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+    "ecmaVersion": 2018,
+    "sourceType": "module"
+  },
+  "plugins": ["@typescript-eslint"],
+  "extends": ["plugin:@typescript-eslint/recommended"]
+}