82 lines
2.6 KiB
TypeScript
82 lines
2.6 KiB
TypeScript
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import * as electron from "electron";
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import * as path from "path";
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import * as fs from "fs-extra";
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const APP_DATA = electron.remote.app.getPath("userData");
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const SETTINGS_DIR = path.join(APP_DATA, "settings");
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let _local_storage: {[key: string]: any} = {};
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let _local_storage_save: {[key: string]: boolean} = {};
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export async function initialize() {
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await fs.mkdirs(SETTINGS_DIR);
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const files = await fs.readdir(SETTINGS_DIR);
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for(const file of files) {
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const key = decodeURIComponent(file);
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console.log("Load settings: %s", key);
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try {
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const data = await fs.readFile(path.join(SETTINGS_DIR, file));
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const decoded = JSON.parse(data.toString() || "{}");
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_local_storage[key] = decoded;
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} catch(error) {
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console.error("Failed to load settings for %s: %o", key, error);
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}
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}
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let _new_storage: Storage = {} as any;
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_new_storage.getItem = key => _local_storage[key] || null;
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_new_storage.setItem = (key, value) => {
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_local_storage[key] = value;
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_local_storage_save[key] = true;
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save_key(key).catch(error => {
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console.warn("Failed to save key: %s => %o", key, error);
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});
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(_new_storage as any)["length"] = Object.keys(_local_storage).length;
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};
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_new_storage.clear = () => {
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_local_storage = {};
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_local_storage_save = {};
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try {
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fs.emptyDirSync(SETTINGS_DIR);
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} catch(error) {
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console.warn("Failed to empty settings dir");
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}
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(_new_storage as any)["length"] = 0;
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};
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_new_storage.key = index => Object.keys(_local_storage)[index];
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_new_storage.removeItem = key => {
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delete _local_storage[key];
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delete_key(key).catch(error => {
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console.warn("Failed to delete key on fs: %s => %o", key, error);
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});
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(_new_storage as any)["length"] = Object.keys(_local_storage).length;
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};
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Object.assign(window.localStorage, _new_storage);
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}
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export async function save_all() {
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let promises: Promise<void>[] = [];
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for(const key of Object.keys(_local_storage))
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promises.push(save_key(key));
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await Promise.all(promises);
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}
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export async function save_key(key: string) {
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if(!_local_storage_save[key])
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return;
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_local_storage_save[key] = false;
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await fs.writeJson(path.join(SETTINGS_DIR, encodeURIComponent(key)), _local_storage[key], {spaces: 0});
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}
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export async function delete_key(key: string) {
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delete _local_storage_save[key];
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await fs.remove(path.join(SETTINGS_DIR, encodeURIComponent(key)));
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}
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