dark-mode-switcheroo

🌓 Simple CSS theme switching with saved preferences and automatic OS setting detection

0.8.1
Source
npm

Version published: 3 years ago

Weekly downloads: 10; increased by100%

Maintainers: 1

Weekly downloads

Created: 3 years ago

Source

🌓 Dark Mode Switcheroo™

Very simple CSS dark/light mode toggler with saved preference via local storage & dynamic OS setting detection. Zero dependencies and only ~500 bytes gzipped!

Usage

Options

darkMode.init([...options])

toggle: The clickable HTMLElement used to toggle between the two themes. (optional, default: null)
classes: An object containing the <body> class names for the light and dark themes. (optional, default: { light: "light", dark: "dark" })
default: The initial <body> class hard-coded into the HTML template. (optional, default: "light")
storageKey: Name of the localStorage key holding the user's preference. (optional, default: "dark_mode_pref")
onInit([toggle]): Callback function executed at the end of initialization. The toggle above is passed in if set. (optional, default: null)
onChange([theme, toggle]): Callback function executed when theme is switched. The new theme and the toggle above (if set) are passed in. (optional, default: null)

Browser

<button class="dark-mode-toggle" style="visibility: hidden;">💡 Click to see the light... or not.</button>

<script src="https://unpkg.com/dark-mode-switcheroo/dist/dark-mode.min.js"></script>
<script>
  window.darkMode.init({
    toggle: document.querySelector(".dark-mode-toggle"),
    classes: {
      light: "light",
      dark: "dark",
    },
    default: "light",
    storageKey: "dark_mode_pref",
    onInit: function (toggle) {
      toggle.style.visibility = "visible"; // toggle appears now that we know JS is enabled
    },
    onChange: function (theme, toggle) {
      console.log("Theme is now " + theme);
    },
  });
</script>

Node

npm install dark-mode-switcheroo
# or...
yarn add dark-mode-switcheroo

Module via `import`

import { init } from "dark-mode-switcheroo";

init({
  // ...same as browser.
});

CommonJS via `require()`

const darkMode = require("dark-mode-switcheroo");

darkMode.init({
  // ...same as browser.
});

To-Do

Support more than two themes
Better readme docs
Add callback function onChange (or onToggle etc.) passed in as an option

License

MIT

Keywords

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Package last updated on 09 Sep 2021

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