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react-hash-handler

v0.1.11

Published

React component that makes it easy to compose hashchange and hash click handling into your application or site.

Downloads

61

Readme

react-hash-handler

npm NPM npm Coveralls github CircleCI Snyk Vulnerabilities for GitHub Repo

React component that makes it easy to compose hashchange and hash click handling into your application or site.

Install

Install via npm

npm install --save react-hash-handler

Install via Yarn

yarn add react-hash-handler

How to use

At its core, the HashHandler is a pretty straight-forward component that doesn’t do much beyond letting your site or app know when the hash changes, or when a hash link is clicked. Feel free to use it however you want via the callback props that are available on the component.

Props

  • onChange:Func - Called when the browser hashchange event is fired.

  • onClick:Func - Called when a hash link (ex. <a href="#contact">Contact</a>) is clicked.

Examples

import React, { Component } from 'react';
import TargetScroller from 'react-target-scroller';
import HashHandler from 'react-hash-handler';

class ExampleComponent extends Compnonent {
  constructor(props) {
    super(props);

    this.state = {
      scrollTarget: null,
    };

    this.onHashChange = this.onHashChange.bind(this);
    this.onHashClick = this.onHashClick.bind(this);
  }

  onHashChange({hash}) {
    this.setState({
      scrollTarget: `#${hash}`,
    });
  }

  onHashClick({hash}) {
    this.setState({
      scrollTarget: `#${hash}`,
    });
  }

  render() {
    const {
      scrollTarget,
    } = this.state;

    return (
      <div className="page-wrapper">
        <HashHandler
          onChange={this.onHashChange}
          onClick={this.onHashClick}
        />
        <TargetScroller target={scrollTarget} />
        <nav>
          <ul>
            <li><a href="#overview">Overview</a></li>
            <li><a href="#about">About</a></li>
            <li><a href="#contact">Contact</a></li>
          </ul>
        </nav>
        ...
        <section id="overview">
          ...
        </section>
        <section id="about">
          ...
        </section>
        <section id="contact">
          ...
        </section>
      </div>
    );
  }
}

License

MIT © Ryan Hefner