import pb from "anki/backend_proto"; import { getGraphPreferences, setGraphPreferences } from "./graph-helpers"; import { Writable, writable, get } from "svelte/store"; export interface CustomStore extends Writable { subscribe: (getter: (value: T) => void) => () => void; set: (value: T) => void; } export type PreferenceStore = { [K in keyof Omit]: CustomStore< pb.BackendProto.GraphPreferences[K] >; }; export type PreferencePayload = { [K in keyof Omit< pb.BackendProto.GraphPreferences, "toJSON" >]: pb.BackendProto.GraphPreferences[K]; }; function createPreference( initialValue: T, savePreferences: () => void ): CustomStore { const { subscribe, set, update } = writable(initialValue); return { subscribe, set: (value: T): void => { set(value); savePreferences(); }, update: (updater: (value: T) => T): void => { update(updater); savePreferences(); }, }; } function preparePreferences( GraphPreferences: pb.BackendProto.GraphPreferences ): PreferenceStore { const preferences: Partial = {}; function constructPreferences(): PreferencePayload { const payload: Partial = {}; for (const key in preferences as PreferenceStore) { payload[key] = get(preferences[key]); } return payload as PreferencePayload; } function savePreferences(): void { setGraphPreferences(constructPreferences()); } for (const [key, value] of Object.entries( pb.BackendProto.GraphPreferences.toObject(GraphPreferences, { defaults: true, }) )) { preferences[key] = createPreference(value, savePreferences); } return preferences as PreferenceStore; } export async function getPreferences(): Promise { const initialPreferences = await getGraphPreferences(); return preparePreferences(initialPreferences); }