converted preset-base from .js to .ts

Author: Zolwiastyl

packages/preset-base/package.json

@@ -7,9 +7,11 @@
   "license": "MIT",
   "repository": "system-ui/theme-ui",
   "scripts": {
-    "prepare": "microbundle --no-compress",
-    "watch": "microbundle watch --no-compress"
+    "prepare": "microbundle --no-compress --tsconfig tsconfig.json",
+    "watch": "microbundle watch --no-compress --tsconfig tsconfig.json"
   },
+  "types": "dist/index.d.ts",
+  "source": "src/index.ts",
   "publishConfig": {
     "access": "public"
   }

packages/preset-base/src/index.js renamed to packages/preset-base/src/index.ts

@@ -0,0 +1,8 @@
+{
+  "compilerOptions": {
+    "resolveJsonModule": true,
+    "esModuleInterop": true,
+    "moduleResolution": "node",
+    "strict": true
+  }
+}