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settings: only store settings if changed by user

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dumbmoron 2024-07-10 17:47:46 +00:00
parent a6ddceb643
commit 95bcf7bf66
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1 changed files with 18 additions and 13 deletions
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31
web/src/lib/settings.ts
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@ -4,9 +4,11 @@ import { merge } from 'ts-deepmerge';
import type { RecursivePartial } from './types/generic';
import type { CobaltSettings } from './types/settings';
import defaultSettings from "$lib/settings/defaults";
import defaultSettings from './settings/defaults';
const writeToStorage = (settings: CobaltSettings) => {
type PartialSettings = RecursivePartial<CobaltSettings>;
const writeToStorage = (settings: PartialSettings) => {
localStorage.setItem(
"settings",
JSON.stringify(settings)
@ -18,28 +20,31 @@ const writeToStorage = (settings: CobaltSettings) => {
const loadFromStorage = () => {
const settings = localStorage.getItem('settings');
if (!settings) {
return defaultSettings;
return {};
}
return {
...defaultSettings,
...JSON.parse(settings) as CobaltSettings
}
return JSON.parse(settings) as PartialSettings;
}
let update: (_: Updater<CobaltSettings>) => void;
// deep merge partial type into full CobaltSettings type
const mergeWithDefaults = (partial: PartialSettings) => {
return merge(defaultSettings, partial) as CobaltSettings;
}
export default readable<CobaltSettings>(
loadFromStorage(),
mergeWithDefaults(loadFromStorage()),
(_, _update) => { update = _update }
);
// update settings from outside
export function updateSetting(settings: RecursivePartial<CobaltSettings>) {
update((current) => {
// deep merge partial type into full CobaltSettings type
current = merge(current, settings) as CobaltSettings;
export function updateSetting(partial: PartialSettings) {
update(() => {
const updated = writeToStorage(
merge(loadFromStorage(), partial)
);
return writeToStorage(current);
return mergeWithDefaults(updated);
});
}