refactor: outsource tsconfig to its own package

packages/tsconfig/base.json

@@ -0,0 +1,23 @@
+{
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "display": "Default",
+  "compilerOptions": {
+    "composite": false,
+    "declaration": true,
+    "declarationMap": true,
+    "esModuleInterop": true,
+    "forceConsistentCasingInFileNames": true,
+    "allowImportingTsExtensions": true,
+    "noEmit": true,
+    "inlineSources": false,
+    "isolatedModules": true,
+    "moduleResolution": "node",
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "preserveWatchOutput": true,
+    "skipLibCheck": true,
+    "strict": true,
+    "strictNullChecks": true
+  },
+  "exclude": ["node_modules"]
+}

packages/tsconfig/nextjs.json

@@ -0,0 +1,21 @@
+{
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "display": "Next.js",
+  "extends": "./base.json",
+  "compilerOptions": {
+    "plugins": [{ "name": "next" }],
+    "allowJs": true,
+    "declaration": false,
+    "declarationMap": false,
+    "incremental": true,
+    "jsx": "preserve",
+    "lib": ["dom", "dom.iterable", "esnext"],
+    "module": "esnext",
+    "resolveJsonModule": true,
+    "strict": true,
+    "strictNullChecks": true,
+    "target": "es5"
+  },
+  "include": ["src", "next-env.d.ts"],
+  "exclude": ["node_modules"]
+}

packages/tsconfig/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "tsconfig",
+  "version": "0.0.0",
+  "private": true,
+  "publishConfig": {
+    "access": "public"
+  }
+}