80 lines
2.2 KiB
TypeScript
80 lines
2.2 KiB
TypeScript
// Copyright: Ankitects Pty Ltd and contributors
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// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
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// languageServerHost taken from MIT sources - see below.
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import pb from "anki/backend_proto";
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import { getGraphPreferences, setGraphPreferences } from "./graph-helpers";
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import { Writable, writable, get } from "svelte/store";
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export interface CustomStore<T> extends Writable<T> {
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subscribe: (getter: (value: T) => void) => () => void;
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set: (value: T) => void;
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}
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export type PreferenceStore = {
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[K in keyof Omit<pb.BackendProto.GraphPreferences, "toJSON">]: CustomStore<
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pb.BackendProto.GraphPreferences[K]
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>;
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};
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export type PreferencePayload = {
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[K in keyof Omit<
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pb.BackendProto.GraphPreferences,
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"toJSON"
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>]: pb.BackendProto.GraphPreferences[K];
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};
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function createPreference<T>(
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initialValue: T,
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savePreferences: () => void
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): CustomStore<T> {
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const { subscribe, set, update } = writable(initialValue);
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return {
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subscribe,
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set: (value: T): void => {
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set(value);
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savePreferences();
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},
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update: (updater: (value: T) => T): void => {
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update(updater);
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savePreferences();
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},
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};
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}
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function preparePreferences(
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GraphPreferences: pb.BackendProto.GraphPreferences
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): PreferenceStore {
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const preferences: Partial<PreferenceStore> = {};
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function constructPreferences(): PreferencePayload {
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const payload: Partial<PreferencePayload> = {};
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for (const key in preferences as PreferenceStore) {
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payload[key] = get(preferences[key]);
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}
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return payload as PreferencePayload;
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}
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function savePreferences(): void {
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setGraphPreferences(constructPreferences());
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}
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for (const [key, value] of Object.entries(
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pb.BackendProto.GraphPreferences.toObject(GraphPreferences, {
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defaults: true,
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})
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)) {
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preferences[key] = createPreference(value, savePreferences);
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}
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return preferences as PreferenceStore;
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}
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export async function getPreferences(): Promise<PreferenceStore> {
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const initialPreferences = await getGraphPreferences();
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return preparePreferences(initialPreferences);
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}
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