React Modern Hooks

React modern hooks is a library for customized and reusable hooks. These hooks depend on react library under the hood.

Disclaimer: atleast react version 16.8 is required for the hooks

Installation

npm install react-modern-hooks

or

yarn add react-modern-hooks

Issues

Having issues setting up or using this hooks library, file a bug report here

Documentation

You can find the complete React Modern Hooks documentation on the website

Complete List of Available Hooks

• useFetch - Hook for fetching/refetching data from an API endpoint
• useNetwork - Hook for getting the network status
• useFullScreen - Hook to toggle a given HTMLElement to fullscreen and exit fullscreen
• useGeolocation - Hook to get a users current geographic location
• useSelectedText - Hook to get the highlighted text on a page
• useCopyToClipboad - Hook to copy text to clipboad
• useStateCallback - Hook that acts as a state callback i.e. functionality same as react class-based setState that provides a fallback with your current set state
• useResize - Hook to handle page resizing
• useSearch - Hook to allow delayed search and only search after a user releases all keys for set timeout
• useImageDownload - Hook that allows download of images from a given url
• useFocus - Hook to autofocus input and/or textarea components
• useDebounce - Hook to for delayed callback functions
• useStorage - Hook to allow use of localstorage
• useOs - Hook to get the current OS of the userAgent
• usePageTitle - Hook to update the page title of a document url
• useOnline - Hook to check if user is currently online or offline
• useDeviceDetect - Hook to detect the device a user is using and/or if either mobile or not

Examples

We have several examples and complete guide on the website. Here are a few to get you started:

useFetch

Hook for fetching/refetching data from an API endpoint

Usage

import { useFetch } from 'react-modern-hooks';

const Demo = () => {
  const { data, loading, refetch, processRequest, error } = useFetch('https://jsonplaceholder.typicode.com/todos');

  if (loading) return <p>Loading...</p>;

  if (error || !data) return <p>{error}</p>;

  const handleRequest = () => {
    processRequest('https://jsonplaceholder.typicode.com/todos', {
      method: 'POST',
    });
  };

  return (
    <div>
      <p>Data Fetched</p>
      <button onClick={refetch}>Refetch</button>
      <button onClick={handleRequest}>Click to Process New Request</button>
    </div>
  );
};

Reference

Input Variables

url - The API endpoint to fetch data from options - optional parameters allowed to be passed when fetching data from an endpoint

Output Variables

data - returned data from the api endpoint error - Error response returned incase something goes wrong during data fetching loading - Loading state returned when data is still loading from the API endpoint refetch - Refetch function to refetch data processRequest - A helper function to process requests made via POST or PATCH or DELETE methods

useNetwork

A React Hook that gets the users network information and which provides information about the connection a device is using to communicate with the network and provides a means for scripts to be notified if the connection type changes

Usage

import { useNetwork } from 'react-modern-hooks';

const Demo = () => {
  const { connection } = useNetwork();

  connection.onchange = (e) => {
    // Handle change of connection type here.
  };

  return (
    <div>
      <h1>Network Info</h1>
      <p>Downlink: {connection.downlink} </p>
      <p>Downlink Max: {connection.downlinkMax}</p>
      <p>Round trip time: {connection.rtt}</p>
      <p>Has user set a reduced data usage option on the user agent: {connection.saveData}</p>
      <p>Connection Type: {connection.type}</p>
    </div>
  );
};

References

Output Variables

connection - The connection response of the network

useFullScreen

A React hook that enables a HTMLElement or component to toggle into a fullscreen and/or exit fullscreen. This hooks provides the open, close and toggle methods which can be used to switch the screen from open to closed or viceversa.

Usage

import { useRef } from 'react';
import { useFullScreen } from 'react-modern-hooks';

const Demo = () => {
  const ref = useRef(null);
  const { fullScreen, close, open, toggle, error } = useFullScreen(ref);

  if (error) {
    console.log('Error: ', error);
  }

  return (
    <div>
      <div ref={ref} style={{ background: '#fff' }}>
        <h1> This is the div (one with ref) that will enter fullscreen mode</h1>
        {fullScreen ? <p>Only visible in fullscreen mode</p> : <p>Not in fullscreen mode</p>}

        <button onClick={() => open()}>Open FullScreen</button>
        <button onClick={() => close()}>Exit FullScreen</button>

        <button onClick={() => toggle()}>Toggle Open/Exit FullScreen</button>
      </div>
    </div>
  );
};

References

Input Variables

ref - A HTMLElement mutable ref object to toggle to fullscreen onExit - An optional callback function to run when exiting fullscreen

Output Variables

fullScreen - A boolean value to show if fullscreen or not open - A function to open the referenced component/element to fullscreen window close - A function to close/exit the referenced component/element from fullscreen window toggle - A function to both open and/or close/exit the referenced component/element to and from fullscreen window error - An error message incase something doesn't go right on opening and/or closing fullscreen window

useGeolocation

A react hook which gets a users/agent's current geographic location. It return both the city, ip, country and other location variables useful in determining a users position on the world map

Usage

import { useGeolocation } from 'react-modern-hooks';

const Demo = () => {
  const {
    loading,
    error,
    userIP,
    city,
    country,
    latitude,
    longitude,
    region,
    location, //Object that comes with other properties on top
  } = useGeolocation();

  if (error) {
    console.log('Error: ', error);
  }

  if (loading) return <p>Loading...</p>;

  return (
    <div>
      <p>User IP Address: {userIP}</p>
      <p>City: {city}</p>
      <p>Country: {country}</p>
      <p>Region: {region}</p>
      <p>Longitude: {longitude}</p>
      <p>Latitude: {latitude}</p>
      <p>Location Timezone: {location?.timezone}</p>
    </div>
  );
};

References

Output Variables

location - Location object with all other user details latitude - Current latitude of a user/agent's position longitude - Current longitude of a user/agent's position userIP - Current IP address of a user/agent city - City the user/agent is currently located in region - Region the user/agent is currently located in country - Country the user/agent is currently located in error - Any error occurring during geolocating a user/agent loading - A boolean variable indicating if a users location is still being fetched

useCopyToClipboard

A React Hook that allows copying of text to clipboad. Providing the capability to copy text from one medium to another. The hook provides a copyText method which can be used to copy the text

Usage

import { useCopyToClipboard } from 'react-modern-hooks';

const Demo = () => {
  const { copiedText, copyText, error, copied } = useCopyToClipboard();

  console.log('is text copied', copied);

  return (
    <div>
      {error ? <p>Error copying text: {error}</p> : null}

      <button onClick={() => copyText('Copy this text to clipboard')}>Copy Text to clipboard</button>
    </div>
  );
};

References

Output Variables

error - Error message that occured during copy copied - Boolean state if the text was copied successfully copiedText - The copied text copyText - A function to copy the text