@jaydanurwin/theme-toggle-button NPM

theme-toggle-button Lit Web Component

Watch the YouTube Tutorial

Run the Demo

npm i
npm start

Attributes

remember-setting - This will use localStorage to remember what the user set as their preference. If this isn't set on the component it will default back to automatic CSS theme preference detection.

How to use the web component

CSS Setup

Below is an example of what your CSS variables and media query could look like. The colors are entirely up to you but the schemes light and dark are required. The CSS variable --theme-offset-bg is the only other requirment. This is the color of the shadow of the button while hovered over.

:root {
  color-scheme: light;
  --theme-bg: #fafafa;
  --theme-on-bg: #000000;
  --theme-offset-bg: #bebebe;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --theme-bg: #000000;
    --theme-on-bg: #fafafa;
    --theme-offset-bg: #7a7a7a;
  }
}

[color-scheme="light"] {
  color-scheme: light;
  --theme-bg: #fafafa;
  --theme-on-bg: #000000;
  --theme-offset-bg: #bebebe;
}

[color-scheme="dark"] {
  color-scheme: dark;
  --theme-bg: #000000;
  --theme-on-bg: #fafafa;
  --theme-offset-bg: #7a7a7a;
}

/* Important! Be sure to use the variables on your body tag */
body {
  background-color: var(--theme-bg);
  color: var(--theme-on-bg);
}

NPM Package Usage

To install the web component on your website you also have choices. If you have NPM in your website environment you can use the NPM package

Install the NPM Package

npm i @jaydanurwin/theme-toggle-button

Import the package

import '@jaydanurwin/theme-toggle-button';

Place the button on page

<theme-toggle-button></theme-toggle-button>

CDN Usage

If you don't have NPM on your site enviroment or you simply prefer a CDN you can add one of the following scripts as high up in the <head> tag of your website as possible.

Script Tag

<script type="module">
  import 'https://cdn.skypack.dev/@jaydanurwin/theme-toggle-button'
</script>

Place the button on page

<theme-toggle-button></theme-toggle-button>

How to build a bundled package file

npm i
npm run build

lit

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