add linting

Author: pcarleton

.github/workflows/ci.yml

@@ -0,0 +1,24 @@
+on:
+    push:
+        branches:
+            - main
+    pull_request:
+
+concurrency:
+    group: ${{ github.workflow }}-${{ github.ref }}
+    cancel-in-progress: true
+
+jobs:
+    test:
+        runs-on: ubuntu-latest
+
+        steps:
+            - uses: actions/checkout@v4
+            - uses: actions/setup-node@v4
+              with:
+                  node-version: 18
+                  cache: npm
+
+            - run: npm ci
+            - run: npm test
+            - run: npm run lint

.prettierrc.json

@@ -0,0 +1,20 @@
+{
+    "printWidth": 140,
+    "tabWidth": 4,
+    "useTabs": false,
+    "semi": true,
+    "singleQuote": true,
+    "trailingComma": "none",
+    "bracketSpacing": true,
+    "bracketSameLine": false,
+    "proseWrap": "always",
+    "arrowParens": "avoid",
+    "overrides": [
+        {
+            "files": "**/*.md",
+            "options": {
+                "printWidth": 280
+            }
+        }
+    ]
+}

eslint.config.mjs

@@ -0,0 +1,20 @@
+// @ts-check
+
+import eslint from '@eslint/js';
+import tseslint from 'typescript-eslint';
+import eslintConfigPrettier from 'eslint-config-prettier/flat';
+
+export default tseslint.config(
+    eslint.configs.recommended,
+    ...tseslint.configs.recommended,
+    {
+        linterOptions: {
+            reportUnusedDisableDirectives: false
+        },
+        rules: {
+            '@typescript-eslint/no-unused-vars': ['error', { argsIgnorePattern: '^_' }],
+            '@typescript-eslint/no-explicit-any': 'off'
+        }
+    },
+    eslintConfigPrettier
+);