1. npm install --save-dev @types/axios @types/vue @types/vue-router

2. create file vue-router.d.ts
2. pinia use my plugin
3. npm i --save-dev @types/cytoscape. npm i --save-dev @types/cytoscape-dagre. npm i --save-dev @types/cytoscape-popper.
4. add apiError.d.ts npm install --save-dev @types/vue-router.
5. add vue-axios.d.ts

src/stores/main.ts

@@ -0,0 +1,5 @@
+import { createPinia } from 'pinia';
+
+const pinia = createPinia();
+
+export default pinia;