18 lines
552 B
TypeScript
Executable File
18 lines
552 B
TypeScript
Executable File
import { writable } from 'svelte/store';
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function getInitalTheme(): string {
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if (typeof window === 'undefined') return 'dark';
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const savedTheme: string | null = localStorage.getItem('theme');
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if (savedTheme === 'dark' || savedTheme === 'light') return savedTheme;
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const sysPrefTheme = window.matchMedia('(prefers-color-scheme: dark)').matches;
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return sysPrefTheme ? 'dark' : 'light';
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}
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export const theme = writable(getInitalTheme());
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theme.subscribe((value) => {
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if (typeof window !== 'undefined') localStorage.setItem('theme', value);
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});
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