exmr/lib/exmr_web/components/dark_mode.ex

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Elixir
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2024-12-01 18:31:23 +02:00
defmodule DarkMode do
@moduledoc """
A component to toggle dark mode.
"""
use Phoenix.Component
def button(assigns) do
~H"""
<button
id="theme-toggle"
type="button"
phx-update="ignore"
phx-hook="DarkThemeToggle"
class="text-zinc-500 dark:text-zinc-400 hover:bg-zinc-100 dark:hover:bg-zinc-700 rounded-lg text-sm p-2"
>
<svg
id="theme-toggle-dark-icon"
class="w-5 h-5 text-transparent hidden"
fill="currentColor"
viewBox="0 0 20 20"
xmlns="http://www.w3.org/2000/svg"
>
<path d="M17.293 13.293A8 8 0 016.707 2.707a8.001 8.001 0 1010.586 10.586z"></path>
</svg>
<svg
id="theme-toggle-light-icon"
class="w-5 h-5 text-transparent"
fill="currentColor"
viewBox="0 0 20 20"
xmlns="http://www.w3.org/2000/svg"
>
<path
d="M10 2a1 1 0 011 1v1a1 1 0 11-2 0V3a1 1 0 011-1zm4 8a4 4 0 11-8 0 4 4 0 018 0zm-.464 4.95l.707.707a1 1 0 001.414-1.414l-.707-.707a1 1 0 00-1.414 1.414zm2.12-10.607a1 1 0 010 1.414l-.706.707a1 1 0 11-1.414-1.414l.707-.707a1 1 0 011.414 0zM17 11a1 1 0 100-2h-1a1 1 0 100 2h1zm-7 4a1 1 0 011 1v1a1 1 0 11-2 0v-1a1 1 0 011-1zM5.05 6.464A1 1 0 106.465 5.05l-.708-.707a1 1 0 00-1.414 1.414l.707.707zm1.414 8.486l-.707.707a1 1 0 01-1.414-1.414l.707-.707a1 1 0 011.414 1.414zM4 11a1 1 0 100-2H3a1 1 0 000 2h1z"
fill-rule="evenodd"
clip-rule="evenodd"
>
</path>
</svg>
</button>
<script>
// Toggle early based on <html class="dark">
const themeToggleDarkIcon = document.getElementById('theme-toggle-dark-icon');
const themeToggleLightIcon = document.getElementById('theme-toggle-light-icon');
if (themeToggleDarkIcon != null && themeToggleLightIcon != null) {
let dark = document.documentElement.classList.contains('dark');
const show = dark ? themeToggleDarkIcon : themeToggleLightIcon
const hide = dark ? themeToggleLightIcon : themeToggleDarkIcon
show.classList.remove('hidden', 'text-transparent');
hide.classList.add('hidden', 'text-transparent');
}
</script>
"""
end
end