fix: configure test typings and root database linting

angular.json

@@ -122,7 +122,7 @@
         "lint": {
           "builder": "@angular-eslint/builder:lint",
           "options": {
-            "lintFilePatterns": ["src/**/*.ts", "src/**/*.html"]
+            "lintFilePatterns": ["src/**/*.ts", "src/**/*.html", "db.ts"]
           }
         }
       }

eslint.config.cjs

@@ -4,11 +4,11 @@ const angular = require('angular-eslint');
 module.exports = defineConfig(
   { ignores: ['projects/**', 'www/**', 'coverage/**'] },
   {
-    files: ['src/**/*.ts'],
+    files: ['src/**/*.ts', 'db.ts'],
     extends: angular.configs.tsRecommended,
     languageOptions: {
       parserOptions: {
-        project: ['./tsconfig.json'],
+        project: ['./tsconfig.eslint.json'],
         tsconfigRootDir: __dirname
       }
     },

tsconfig.eslint.json

@@ -0,0 +1,8 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "noEmit": true,
+    "types": ["jasmine"]
+  },
+  "include": ["src/**/*.ts", "db.ts"]
+}

tsconfig.json

@@ -1,6 +1,11 @@
 /* To learn more about this file see: https://angular.io/config/tsconfig. */
 {
   "compileOnSave": false,
+  "files": [],
+  "references": [
+    { "path": "./tsconfig.app.json" },
+    { "path": "./tsconfig.spec.json" }
+  ],
   "compilerOptions": {
     "paths": { "db": ["./db.ts"] },
     "outDir": "./dist/out-tsc",