Package Exports

react-apply-darkmode

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Readme

react-apply-darkmode

Apply dark mode directly to your React website or web app in one step; no manual theming required! Reduce component complexity and CSS while still delivering a high-quality dark mode experience that your users will greatly appreciate.

react-apply-darkmode is a wrapper around @darkreader/darkreader's ES6 API, allowing you to control the dark mode functionality it provides with React bindings. Your users do NOT need to have the Dark Reader extension installed for dark mode to work.

Installation

npm i react-apply-darkmode

yarn add react-apply-darkmode

Usage

Use the Interpolator component to wrap your app at the top level:

`App.js`

import {Interpolator} from 'react-apply-darkmode';

export default function App() {
  return (
    <Interpolator
      appearance='dark'
      watchSystem={false}
      filter={{brightness: 100, contrast: 90, sepia: 10}}>
      <MyApp />
    </Interpolator>
  );
}

Props

Prop	Values	Purpose
appearance	`'dark'`, `'light'`, or `undefined`	`Interpolator` will apply this theme to your site; this is your manual control for dark mode. `appearance` is `undefined` by default; if `undefined`, no theme will be applied on mount (you can still use `watchSystem` to control dark mode).
watchSystem	`true` or `false`	Apply dark mode based on the device's color scheme. This will override `appearance` if you've set it. `watchSystem` defaults to `false`. Not all browsers are supported; see Notes for more.
filter	`{brightness: number, contrast: number, sepia: number}`	Dark mode's appearance filter. You can supply any number of these values or none at all; default is 100 brightness, 90 contrast, and 10 sepia.

Notes

Interpolator (or a component that utilizes it) should always your top-level component, such as in App in App.js if using Create React App or via wrapRootElement if using Gatsby. This will ensure that dark mode is ready before your components render, preventing undesirable flashes.

IMPORTANT: If using Gatsby, you only need to define wrapRootElement with Interpolator for Gatsby's browser API via gatsby-browser.js. Don't use Interpolator in gatsby-ssr.js or anywhere lower in the DOM tree; Dark Reader depends on window and document which are unavailable during SSR prerendering (you'll get build errors!).
watchSystem relies on the prefers-color-scheme CSS media feature, which some browsers may not support; privacy settings can also influence the value of prefers-color-scheme.

Mozilla has compiled a list of compatible browsers here.

Tips

Persistence

You will need to implement your own wrapper component or container to persist dark mode across browser sessions by changing values supplied to the appearance prop. localStorage and redux (with redux-persist) are both good solutions.

Colors

react-apply-darkmode will tone down bright colors and reduce contrast. Don't assume that a color is going to work optimally in light and dark mode; always do a visual test by switching between both modes!

Images

Maximize transparency of image assets! react-apply-darkmode will not invert images (to preserve your sanity), so make sure your images have transparent backgrounds and transparency where color isn't needed.

Also, try to use colors that have good contrast in both light and dark mode.

Theming Conflicts

Don't use another dark mode theming solution alongside react-apply-darkmode (i.e. with React context/providers, CSS classes, or another package). This can cause undesirable flickering effects when solutions try to compensate for each other's changes.

Component Library Issues

Certain UI component libraries don't work well with react-apply-darkmode. Audit a library before choosing it! Installing the Dark Reader browser extension (Chrome or Firefox, for best results) and exploring a component library's site will give you a good idea of how well it works.

You can view a list of issue libraries here.

Credits

This package was created by Victor Li, an avid and longtime user of the Dark Reader extension.

react-apply-darkmode is made possible by open source code from @darkreader. If you like this package, please give a shoutout to Dark Reader's developers and consider sponsoring their project!