chore: import upstream snapshot with attribution

packages/tsconfig/base.json

@@ -0,0 +1,25 @@
+{
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "display": "Base",
+  "compilerOptions": {
+    "target": "ES2022",
+    "lib": ["ES2022"],
+    "module": "ESNext",
+    "moduleResolution": "bundler",
+    "moduleDetection": "force",
+    "types": ["node"],
+
+    "strict": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "forceConsistentCasingInFileNames": true,
+
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+
+    "verbatimModuleSyntax": false,
+    "noUncheckedIndexedAccess": false,
+    "noEmit": true
+  },
+  "exclude": ["node_modules"]
+}

packages/tsconfig/library-build.json

@@ -0,0 +1,11 @@
+{
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "display": "Library (Build)",
+  "extends": "./base.json",
+  "compilerOptions": {
+    "declaration": true,
+    "declarationMap": true,
+    "sourceMap": true,
+    "noEmit": false
+  }
+}

packages/tsconfig/library.json

@@ -0,0 +1,10 @@
+{
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "display": "Library (No Emit)",
+  "extends": "./base.json",
+  "compilerOptions": {
+    "declaration": true,
+    "declarationMap": true,
+    "noEmit": true
+  }
+}

packages/tsconfig/nextjs.json

@@ -0,0 +1,17 @@
+{
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "display": "Next.js",
+  "extends": "./base.json",
+  "compilerOptions": {
+    "lib": ["ES2022", "DOM", "DOM.Iterable"],
+    "jsx": "react-jsx",
+    "allowJs": true,
+    "incremental": true,
+    "allowImportingTsExtensions": true,
+    "plugins": [
+      {
+        "name": "next"
+      }
+    ]
+  }
+}

packages/tsconfig/package.json

@@ -0,0 +1,14 @@
+{
+  "name": "@sim/tsconfig",
+  "version": "0.0.0",
+  "private": true,
+  "sideEffects": false,
+  "license": "Apache-2.0",
+  "description": "Shared TypeScript configurations for Sim monorepo",
+  "exports": {
+    "./base.json": "./base.json",
+    "./nextjs.json": "./nextjs.json",
+    "./library.json": "./library.json",
+    "./library-build.json": "./library-build.json"
+  }
+}