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@cdransf/theme-toggle

v3.2.1

Published

A web component that simplifies controlling light/dark theming for a site.

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Links

Git

Maintainers

cdransfcdransf

Keywords

webcomponentcomponentsweb componentscustom elements

Readme

<theme-toggle> web component

A web component that simplifies controlling light/dark theming for a site.

npm i @cdransf/theme-toggle

Example usage

Add the theme-load.js to your document <body> to prevent an unthemed flash on load. This ensures access to the document.

<body>
  <script type="module" src="/scripts/theme-load.js"></script>
   <theme-toggle>
      <button aria-label="Light and dark theme toggle" class="theme-toggle">
        <span class="light"></span>
        <span class="dark"></span>
      </button>
    </theme-toggle>
</body>

Optional attributes:

  • mode: accepts either control or toggle and defaults to toggle. If toggle is set, you can add <span class="auto"></span> and allow the user to cycle back to their system preference.

  • storage: sets the storage API to be used. Defaults to sessionStorage, but can also be set to "local for localStorage.

  • Add the theme-toggle.js to your markup, set your template.

  • Add <meta name="color-scheme" content="light dark"> to your site's header.

  • Use light-dark to define your preferred colors for each scheme.

Refer to MDN for documentation on CSS light-dark().