chore: changeset and minimum version support

Author: ryanseddon

.changeset/empty-oranges-exist.md

@@ -0,0 +1,26 @@
+---
+'react-frame-component': major
+---
+
+Migrate codebase to TypeScript with React 19 support
+
+Migrates all source files from JavaScript/JSX to TypeScript/TSX with full type safety.
+
+**Breaking changes:**
+
+- Minimum React version bumped from 16.8 to 17.0
+
+**New features:**
+
+- Full TypeScript support with exported `FrameProps` type
+- React 19 support added to peer dependencies
+
+**Deprecations (will be removed in next major version):**
+
+- `contentDidMount` → use `onMount` instead
+- `contentDidUpdate` → use `onUpdate` instead
+
+**Internal changes:**
+
+- Content component converted from class to functional component
+- Build pipeline updated to emit TypeScript declarations

package.json

@@ -88,8 +88,8 @@
     "webpack-dev-server": "^5.0.0"
   },
   "peerDependencies": {
-    "react": ">= 16.8 || ^17.0.0 || ^18.0.0 || ^19.0.0",
-    "react-dom": ">= 16.8 || ^17.0.0 || ^18.0.0 || ^19.0.0"
+    "react": "^17.0.0 || ^18.0.0 || ^19.0.0",
+    "react-dom": "^17.0.0 || ^18.0.0 || ^19.0.0"
   },
   "prettier": {
     "singleQuote": true,