react-useHeadroom

A fully-typed lightweight react custom hook that returns the state of the shown/hidden header (headroom).

Here is a demo live.

Installation

Typescript

yarn add react-useheadroom@types

Javascript

yarn add react-useheadroom or npm install react-useheadroom

Usage

import * as React from 'react';
import './styles.css';
import useHeadroom from 'react-useheadroom';

const App = () => {
  const isPinned = useHeadroom({});
  return (
    <div
      className='header'
      style={{
        transform: isPinned
          ? `translate3d(0,0px,0)`
          : `translate3d(0,-100px,0)`,
      }}
    />
  );
};

export default App;

Props

Optionnaly you can pass those props.

• fixAt the header will be fixed at this value, and cannot be unpinned (default value is 0).

• onPin callback

• onUnpin callback

• onFix callback

• onUnfix callback

Example

import * as React from "react";
import "./styles.css";
import useHeadroom from "react-useheadroom";

const App = () => {
  const isPinned = useHeadroom({
    fixAt:  /* e.g: 400 */,
    onPin: () => /* do something here ... */,
    onUnpin: () => /* do something here ... */,
    onFix: (fixedAt) => /* do something here ... */,
    onUnFix: (fixedAt) => /* do something here ... */
  });
  return (
    <div
      className="header"
      style={{
        transform: isPinned
          ? `translate3d(0,0px,0)`
          : `translate3d(0,-100px,0)`
      }}
    />
  );
}

export default App;