53 lines
1.6 KiB
Plaintext
53 lines
1.6 KiB
Plaintext
import { reactUse } from "./utils.js";
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import { isModuleNotFoundError } from "@tanstack/router-core";
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import * as React$1 from "react";
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//#region src/lazyRouteComponent.tsx
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/**
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* Wrap a dynamic import to create a route component that supports
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* `.preload()` and friendly reload-on-module-missing behavior.
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*
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* @param importer Function returning a module promise
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* @param exportName Named export to use (default: `default`)
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* @returns A lazy route component compatible with TanStack Router
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* @link https://tanstack.com/router/latest/docs/framework/react/api/router/lazyRouteComponentFunction
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*/
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function lazyRouteComponent(importer, exportName) {
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let loadPromise;
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let comp;
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let error;
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let reload;
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const load = () => {
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if (!loadPromise) loadPromise = importer().then((res) => {
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loadPromise = void 0;
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comp = res[exportName ?? "default"];
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}).catch((err) => {
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error = err;
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if (isModuleNotFoundError(error)) {
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if (error instanceof Error && typeof window !== "undefined" && typeof sessionStorage !== "undefined") {
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const storageKey = `tanstack_router_reload:${error.message}`;
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if (!sessionStorage.getItem(storageKey)) {
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sessionStorage.setItem(storageKey, "1");
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reload = true;
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}
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}
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}
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});
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return loadPromise;
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};
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const lazyComp = function Lazy(props) {
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if (reload) {
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window.location.reload();
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throw new Promise(() => {});
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}
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if (error) throw error;
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if (!comp) if (reactUse) reactUse(load());
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else throw load();
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return React$1.createElement(comp, props);
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};
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lazyComp.preload = load;
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return lazyComp;
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}
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//#endregion
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export { lazyRouteComponent };
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//# sourceMappingURL=lazyRouteComponent.js.map |