Chris Arderne
26 lines
1.2 KiB
TypeScript
26 lines
1.2 KiB
TypeScript
import { z } from "zod";
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// Shared between server (dashboard preferences) and client (theme UI, system
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// theme sync) - must stay free of server-only imports.
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export const ThemePreference = z.enum(["classic", "system", "dark", "light"]);
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export type ThemePreference = z.infer<typeof ThemePreference>;
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/** Coerce any stored/legacy value into a valid preference. Missing or unknown
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* values fall back to `dark` - the new dark theme is the default (pinned, not
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* system-resolved, so nobody gets surprised by light mode). */
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export function normalizeThemePreference(value: unknown): ThemePreference {
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const result = ThemePreference.safeParse(value);
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return result.success ? result.data : "dark";
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}
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/** The default dark theme ships with a slight contrast bump. */
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const DEFAULT_THEME_CONTRAST = 50;
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/** Interface contrast for the System themes, 0 to 100. Missing or invalid
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* values fall back to the default bump. */
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export function normalizeThemeContrast(value: unknown): number {
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const num = typeof value === "string" ? Number(value) : value;
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if (typeof num !== "number" || !Number.isFinite(num)) return DEFAULT_THEME_CONTRAST;
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return Math.min(100, Math.max(0, Math.round(num)));
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}
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