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import { GLib, monitorFile, readFileAsync, Variable } from "astal";
import config from ".";
import { loadStyleAsync } from "../../app";
import defaults from "./defaults";
type Settings<T> = { [P in keyof T]: T[P] extends object & { length?: never } ? Settings<T[P]> : Variable<T[P]> };
const CONFIG = `${GLib.get_user_config_dir()}/caelestia/shell.json`;
const isObject = (o: any) => typeof o === "object" && o !== null && !Array.isArray(o);
const deepMerge = <T extends object, U extends object>(a: T, b: U, path = ""): T & U => {
const merged: { [k: string]: any } = { ...b };
for (const [k, v] of Object.entries(a)) {
if (b.hasOwnProperty(k)) {
const bv = b[k as keyof U];
if (isObject(v) && isObject(bv)) merged[k] = deepMerge(v, bv as object, `${path}${k}.`);
else if (typeof v !== typeof bv) {
console.warn(`Invalid type for ${path}${k}: ${typeof v} != ${typeof bv}`);
merged[k] = v;
}
} else merged[k] = v;
}
return merged as any;
};
export const convertSettings = <T extends object>(obj: T): Settings<T> =>
Object.fromEntries(Object.entries(obj).map(([k, v]) => [k, isObject(v) ? convertSettings(v) : Variable(v)])) as any;
const updateSection = (from: { [k: string]: any }, to: { [k: string]: any }, path = "") => {
for (const [k, v] of Object.entries(from)) {
if (to.hasOwnProperty(k)) {
if (isObject(v)) updateSection(v, to[k], `${path}${k}.`);
else to[k].set(v);
} else console.warn(`Unknown config key: ${path}${k}`);
}
};
export const updateConfig = async () => {
updateSection(deepMerge(defaults, JSON.parse(await readFileAsync(CONFIG))), config);
loadStyleAsync().catch(console.error);
};
export const initConfig = () => {
monitorFile(CONFIG, () => updateConfig().catch(e => console.warn(`Invalid config: ${e}`)));
updateConfig().catch(e => console.warn(`Invalid config: ${e}`));
};
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