plugin.ts

import { PiniaPluginContext } from "pinia";

// Plugin
const magicNumPlugin = ({ store }: PiniaPluginContext) => {
  store.magicNumber = 5
}

// Typing
declare module 'pinia' {
  export interface PiniaCustomProperties {
    magicNumber: number
  }
  export interface DefineStoreOptionsBase<S, Store> {
}