npm package discovery and stats viewer.

Discover Tips

  • General search

    [free text search, go nuts!]

  • Package details

    pkg:[package-name]

  • User packages

    @[username]

Sponsor

Optimize Toolset

I’ve always been into building performant and accessible sites, but lately I’ve been taking it extremely seriously. So much so that I’ve been building a tool to help me optimize and monitor the sites that I build to make sure that I’m making an attempt to offer the best experience to those who visit them. If you’re into performant, accessible and SEO friendly sites, you might like it too! You can check it out at Optimize Toolset.

About

Hi, 👋, I’m Ryan Hefner  and I built this site for me, and you! The goal of this site was to provide an easy way for me to check the stats on my npm packages, both for prioritizing issues and updates, and to give me a little kick in the pants to keep up on stuff.

As I was building it, I realized that I was actually using the tool to build the tool, and figured I might as well put this out there and hopefully others will find it to be a fast and useful way to search and browse npm packages as I have.

If you’re interested in other things I’m working on, follow me on Twitter or check out the open source projects I’ve been publishing on GitHub.

I am also working on a Twitter bot for this site to tweet the most popular, newest, random packages from npm. Please follow that account now and it will start sending out packages soon–ish.

Open Software & Tools

This site wouldn’t be possible without the immense generosity and tireless efforts from the people who make contributions to the world and share their work via open source initiatives. Thank you 🙏

© 2024 – Pkg Stats / Ryan Hefner

react-renderif

v1.0.2

Published

Conditional rendering of React components

Downloads

722

Readme

react-renderif

Installation

npm install react-renderif

Usage

var React = require('react');
var RenderIf = require('react-renderif');

/**
 * Test if a value exists
 * (Essentially, test if the value is truthy.)
 *
 * @prop exists
 * @type {React.PropTypes.any}
 */
<RenderIf exists={existsVariable}>
    <h1>Rendered</h1>
</RenderIf>

/**
 * Test if a value does not exists
 * (Essentially, test if the value is falsey.)
 *
 * @prop notExists
 * @type {React.PropTypes.any}
 */
<RenderIf notExists={existsVariable}>
    <h1>Rendered</h1>
</RenderIf>

/**
 * Test if a value is true
 * (The value must === true, not just be truthy)
 * (Use 'exists' for truthy checks.)
 *
 * @prop isTrue
 * @type {React.PropTypes.bool}
 */
<RenderIf isTrue={trueVariable}>
    <h1>Rendered</h1>
</RenderIf>

/**
 * Test if a value is false
 * (The value must === false, not just be falsey.)
 * (Use 'notExists' for falsey checks.)
 *
 * @prop isFalse
 * @type {React.PropTypes.bool}
 */
<RenderIf isFalse={falseVariable}>
    <h1>Rendered</h1>
</RenderIf>
        
/**
 * Test if a passed in expression is true.
 * The expression must evaluate to a truthy or falsey value.
 * (This property is essentially the same as 'exists' or 'notExists'.)
 * (It can make your component more readable in some situations.)
 *
 * @prop expression
 * @type {React.PropTypes.any}
 */
<RenderIf expression={1 === 1}>
    <h1>Rendered</h1>
</RenderIf>

/**
 * Test if a passed in callback returns true.
 * The callback must return a truthy or falsey value.
 *
 * @prop callback
 * @type {React.PropTypes.func}
 */
<RenderIf callback={function() { return 1 === 1; }}>
    <h1>Rendered</h1>
</RenderIf>

Custom Matchers

react-renderif allows you to create a custom wrapper component with a callback prebound. This callback will be passed a property prop that can be used if you desire.

var React = require('react');
var RenderIf = require('react-renderif');

var RenderIfFoo = RenderIf.createCustomMatcher(function(property) {
    return property === 'foo';
});

// ...
<RenderIfFoo property={'foo'}>
    <h1>Rendered</h1>
</RenderIfFoo>
// ...

Testing / Building / Contributing

// Testing
npm test

// Building
npm install
npm run build