holy-loader

v2.3.1

Published

22 days ago

Holy Loader is a lightweight, customizable top-loading progress bar component for React applications.

Downloads

5,846

Holy Loader is a lightweight and customizable top-loading progress bar component, specifically designed for React applications and optimized for Next.js with app router.

Want to see it in use? Visit: GameGator.

Also check out Holy Time, yet another (type-safe) date time library.

Features

Easy to integrate with any React application.
Highly customizable with sensible defaults.
Utilizes a custom implementation for smooth, aesthetic progress indications.
Supports dynamic configuration for color, height, speed, easing, and more.

Installation

To install Holy Loader, run the following command in your project directory:

npm install holy-loader

yarn add holy-loader

Usage

To use Holy Loader in your Next.js application using the app router:

import HolyLoader from "holy-loader";

export default function RootLayout({ children }) {
  return (
    <html lang="en">
      <HolyLoader />
      {children}
    </html>
  );
}

To use Holy Loader in your Next.js application using the pages router:

import HolyLoader from "holy-loader";

export default function App({ Component, pageProps }) {
  return (
    <>
      <HolyLoader />
      <Component {...pageProps} />;
    </>
  );
}

Custom Configuration

import HolyLoader from "holy-loader";

export default function RootLayout({ children }) {
  return (
    <html lang="en">
      <HolyLoader
        color="#ff4500"
        height="1rem"
        speed={250}
        easing="linear"
        showSpinner
      />
      {children}
    </html>
  );
}

Programmatic Control (Client Components)

Have an async operation before an eventual route change? You might be interested in holy-loader's manual controls. These only work in client components!

'use client';

import { startHolyLoader, stopHolyLoader } from 'holy-loader';

try {
  startHolyLoader(); // Trigger the loader beforehand
  await signOut(); // Example async operation
} catch (error) {
  stopHolyLoader(); // Stop the loader on error
  // Handle the error
} finally {
  stopHolyLoader(); // Stop the loader after the operation, and potentially do something else
  /* OR */
  router.push('/'); // Navigate to the desired route, which will automatically stop the loader
}

Common issues

Prevent triggering the loader when clicking a Button within a Next link:

onClick={(e) => {
  e.preventDefault();
  e.nativeEvent.stopImmediatePropagation();
}}

API

<HolyLoader /> accepts the following props for customization:

color (string): Specifies the color of the top-loading bar. Default: "#59a2ff" (a shade of blue).
initialPosition (number): Sets the initial position of the top-loading bar as a percentage of the total width. Default: 0.08 (8% of the total width).
height (number | string): Defines the height of the top-loading bar in pixels or css unit. Default: 4 pixels.
easing (string): Specifies the easing function to use for the loading animation. Accepts any valid CSS easing string. Default: "ease".
speed (number): Sets the animation speed of the top-loading bar in milliseconds. Default: 200 milliseconds.
zIndex (number): Defines the z-index property of the top-loading bar, controlling its stacking order. Default: 2147483647.
boxShadow (string): Sets the box-shadow property of the top-loading bar. Turned off by default.
showSpinner (boolean): Determines whether to accompany the loading bar with a spinner. Turned off by default.

Project inspired by nextjs-toploader & nprogress

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