| 1 | export type DisplayMode = "standard" | "compact"; |
| 2 | |
| 3 | const DISPLAY_MODE_KEY = "reasonix-display-mode"; |
| 4 | const DISPLAY_MODE_EVENT = "reasonix:display-mode"; |
| 5 | |
| 6 | export function getDisplayMode(): DisplayMode { |
| 7 | if (typeof localStorage === "undefined") return "standard"; |
| 8 | const stored = localStorage.getItem(DISPLAY_MODE_KEY); |
| 9 | if (stored === "standard" || stored === "compact") return stored; |
| 10 | if (stored === "minimal") return "compact"; |
| 11 | return "standard"; |
| 12 | } |
| 13 | |
| 14 | export function setDisplayMode(mode: DisplayMode): void { |
| 15 | localStorage.setItem(DISPLAY_MODE_KEY, mode); |
| 16 | window.dispatchEvent(new CustomEvent(DISPLAY_MODE_EVENT, { detail: mode })); |
| 17 | } |
| 18 | |
| 19 | /** Adopts the toml-persisted mode at boot so config is the source of truth across machines. */ |
| 20 | export function hydrateDisplayMode(mode: string | undefined): void { |
| 21 | const next: DisplayMode | undefined = mode === "standard" || mode === "compact" ? mode : mode === "minimal" ? "compact" : undefined; |
| 22 | if (!next) return; |
| 23 | if (next === getDisplayMode()) return; |
| 24 | setDisplayMode(next); |
| 25 | } |
| 26 | |
| 27 | export function onDisplayModeChange(cb: (mode: DisplayMode) => void): () => void { |
| 28 | const handler = (e: Event) => cb((e as CustomEvent).detail as DisplayMode); |
| 29 | window.addEventListener(DISPLAY_MODE_EVENT, handler); |
| 30 | return () => window.removeEventListener(DISPLAY_MODE_EVENT, handler); |
| 31 | } |
| 32 |