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  • License MIT

data loader for React

Package Exports

  • @naporin0624/react-loader
  • @naporin0624/react-loader/lib/index-cjs.js
  • @naporin0624/react-loader/lib/index-esm.js

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (@naporin0624/react-loader) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

react-loader

Simple data loader hooks that use Suspense.

Image from Gyazo

Usage

codesandbox

import { Suspense, useEffect, useState } from "react";
import { useLoader, Cache } from "@naporin0624/react-loader";
import ReactDOM from "react-dom";

import Nprogress from "nprogress";
import "nprogress/nprogress.css"

const timeout = (ms: number) => {
  return new Promise<number>((resolve) => setTimeout(() => resolve(ms), ms));
};

const App = () => {
  const [count, setCount] = useState(100);
  const data = useLoader(`timeout_${count}`, timeout(count));

  return (
    <div>
      <input
        type="number"
        value={count}
        onChange={(e) => setCount(parseInt(e.target.value, 10))}
        step={100}
        min={0}
      />

      <p>result: {data}</p>
    </div>
  );
}

const Fallback = () => {
  useEffect(() => {
    Nprogress.start();
    return () => {
      Nprogress.done();
    };
  }, []);
  return null;
};

render(
  <Cache>
    <Suspense fallback={<Fallback />}>
      <Cache>
        <App />
      </Cache>
    </Suspense>
  </Cache>,
  document.getElementById("root")
);