ionic-framework/packages/vue-router/src/index.ts

import type { App } from "vue";
import {
  createRouter as createVueRouter,
  createWebHistory as createVueWebHistory,
  createWebHashHistory as createVueWebHashHistory,
  createMemoryHistory as createVueMemoryHistory,
} from "vue-router";

import { createIonRouter } from "./router";
import type { IonicVueRouterOptions } from "./types";
import { createViewStacks } from "./viewStacks";

export const createRouter = (opts: IonicVueRouterOptions) => {
  const routerOptions = { ...opts };
  delete routerOptions.tabsPrefix;

  const router = createVueRouter(routerOptions);
  const ionRouter = createIonRouter(opts, router);
  const viewStacks = createViewStacks(router);

  const oldInstall = router.install.bind(router);
  router.install = (app: App) => {
    app.provide("navManager", ionRouter);
    app.provide("viewStacks", viewStacks);

    oldInstall(app);
  };

  const oldIsReady = router.isReady.bind(router);
  router.isReady = () => oldIsReady();

  return router;
};

export const createWebHistory = (base?: string) => createVueWebHistory(base);
export const createWebHashHistory = (base?: string) =>
  createVueWebHashHistory(base);
export const createMemoryHistory = (base?: string) =>
  createVueMemoryHistory(base);