| 1 | import { useMemo } from "react"; |
| 2 | |
| 3 | import { resolveScaledTextRole } from "../../../lib/appearancePreferences"; |
| 4 | import { MOBILE_TYPOGRAPHY } from "../../../lib/typography"; |
| 5 | import { useAppearancePreferences } from "./AppearancePreferencesProvider"; |
| 6 | |
| 7 | export interface ScaledTextRole { |
| 8 | readonly fontSize: number; |
| 9 | readonly lineHeight: number; |
| 10 | } |
| 11 | |
| 12 | /** |
| 13 | * Mirrors the values injected into Uniwind for style-prop consumers that |
| 14 | * cannot use a `text-*` class. This deliberately does not subscribe to CSS |
| 15 | * variables, so palette-only setTheme calls remain native-only. |
| 16 | */ |
| 17 | export function useScaledTextRole(role: keyof typeof MOBILE_TYPOGRAPHY): ScaledTextRole { |
| 18 | const { appearance } = useAppearancePreferences(); |
| 19 | return useMemo( |
| 20 | () => resolveScaledTextRole(role, appearance.baseFontSize), |
| 21 | [appearance.baseFontSize, role], |
| 22 | ); |
| 23 | } |