this repo has no description
1/*
2 * src: github.com/JLarky/react-lazily/blob/main/src/core/lazily.ts
3 *
4 * MIT License
5 * Copyright (c) 2020 JLarky
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in all
15 * copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 SOFTWARE.
24 *
25 */
26
27import * as React from "react";
28
29export const lazily = <T extends {}, U extends keyof T>(loader: (x?: string) => Promise<T>) =>
30 new Proxy({} as unknown as T, {
31 get: (_target, componentName: string | symbol) => {
32 if (typeof componentName === "string") {
33 return React.lazy(() =>
34 loader(componentName).then((x) => ({
35 default: x[componentName as U] as any as React.ComponentType<any>,
36 })),
37 );
38 }
39 },
40 });