Migrate to preact and update react-router.

package.json

@@ -26,25 +26,27 @@
 		"uuid": "^10.0.0"
 	},
 	"devDependencies": {
+		"@babel/core": "^7.26.0",
 		"@phosphor-icons/react": "^2.1.7",
+		"@preact/compat": "^18.3.1",
+		"@preact/preset-vite": "^2.9.2",
+		"@types/babel__core": "^7",
 		"@types/node": "^22.7.4",
 		"@types/react": "^18.3.10",
 		"@types/react-dom": "^18.3.0",
 		"@types/uuid": "^10",
-		"@vitejs/plugin-react": "^4.3.0",
 		"less": "^4.2.0",
-		"react": "^18.3.1",
+		"preact": "^10.25.0",
-		"react-dom": "^18.3.1",
+		"react-router-dom": "^7.0.1",
-		"react-router-dom": "^6.26.2",
 		"typescript": "^5.6.2",
 		"vite": "^5.4.8",
 		"vite-plugin-dts": "^4.2.2"
 	},
 	"peerDependencies": {
 		"@phosphor-icons/react": "^2.1.7",
-		"react": "^18.3.1",
+		"react-router-dom": "^7.0.1",
-		"react-dom": "^18.3.1",
+		"@preact/compat": "^18.3.1",
-		"react-router-dom": "^6.24.1"
+		"preact": "^10.25.0"
 	},
 	"packageManager": "yarn@4.5.0"
 }

vite.config.ts

@@ -1,6 +1,6 @@
 import {ConfigEnv, defineConfig, UserConfig} from "vite";
 import dts from "vite-plugin-dts";
-import react from "@vitejs/plugin-react";
+import preact from "@preact/preset-vite";
 
 // https://vitejs.dev/config/
 
@@ -16,12 +16,12 @@ export default defineConfig(({ mode }: ConfigEnv): UserConfig => {
 				fileName: "index",
 			},
 			rollupOptions: {
-				external: ["react", "react-dom", "react-router-dom", "@phosphor-icons/react"],
+				external: ["preact", "@preact/compat", "react-router-dom", "@phosphor-icons/react"],
 			},
 		},
 
 		plugins: [
-			react(),
+			preact(),
 			dts({
 				rollupTypes: true,
 				insertTypesEntry: true,