Created
September 25, 2021 22:40
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Svelte/SvelteKit instantly applied theme
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| <script lang="ts"> | |
| import { onMount } from 'svelte' | |
| import { writable } from 'svelte/store' | |
| import type { Writable } from 'svelte/store' | |
| const theme: Writable<string | null> = writable(null) | |
| $: if ($theme) { | |
| document.documentElement.setAttribute('data-theme', $theme) | |
| } | |
| onMount(() => { | |
| $theme = document.documentElement.getAttribute('data-theme') || 'dark' | |
| const prefersDark = matchMedia('(prefers-color-scheme: dark)') | |
| prefersDark.onchange = (e) => { | |
| $theme = e.matches ? 'dark' : 'light' | |
| localStorage.removeItem('theme') | |
| } | |
| }) | |
| function toggleTheme() { | |
| if ($theme === 'dark') { | |
| $theme = 'light' | |
| } else { | |
| $theme = 'dark' | |
| } | |
| localStorage.setItem('theme', $theme || 'dark') | |
| } | |
| </script> | |
| <style lang="sass"> | |
| :global(html) | |
| --primary: #0269f7 | |
| color: var(--foreground) | |
| :global([data-theme='dark']) | |
| --background: #0d0e12 | |
| --foreground: #f7f7f7 | |
| --border: #1C1E24 | |
| --date-picker-background: #1b1e27 | |
| --date-picker-foreground: var(--foreground) | |
| --date-picker-highlight-border: rgb(2, 105, 247) | |
| --date-picker-highlight-shadow: rgba(2, 105, 247, 0.5) | |
| :global([data-theme='light']) | |
| --background: #ffffff | |
| --foreground: #0d0e12 | |
| --border: #c6cddd | |
| </style> |
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8" /> | |
| <meta name="viewport" content="width=device-width, initial-scale=1" /> | |
| <script> | |
| function detectTheme() { | |
| if(localStorage.getItem('theme') == 'dark') { | |
| return 'dark' | |
| } else if(window.matchMedia('(prefers-color-scheme: dark)').matches) { | |
| return 'light' | |
| } else { | |
| return 'dark' | |
| } | |
| } | |
| document.documentElement.setAttribute('data-theme', detectTheme()) | |
| </script> | |
| %svelte.head% | |
| </head> | |
| <body> | |
| %svelte.body% | |
| </body> | |
| </html> |
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