npmextra/ts/npmextra.classes.appdata.ts
2024-01-27 19:03:06 +01:00

60 lines
1.6 KiB
TypeScript

import * as plugins from './npmextra.plugins.js';
import * as paths from './npmextra.paths.js';
import { KeyValueStore } from './npmextra.classes.keyvaluestore.js';
export class AppData {
/**
* creates appdata. If no pathArg is given, data will be stored here:
* ${PWD}/.nogit/appdata
* @param pathArg
* @returns
*/
public static async createAndInit(pathArg?: string) {
const appData = new AppData(pathArg);
await appData.readyDeferred.promise;
return appData;
}
// instance
public readyDeferred = plugins.smartpromise.defer();
public dirPathArg: string;
private kvStore: KeyValueStore;
constructor(pathArg?: string) {
this.dirPathArg = pathArg;
this.init();
}
/**
* inits app data
* @param pathArg
*/
private async init(pathArg?: string) {
if (this.dirPathArg) {
// ok, nothing to do here;
} else {
const appDataDir = '/app/data';
const dataDir = '/data';
const nogitAppData = '.nogit/appdata';
const appDataExists = plugins.smartfile.fs.isDirectory(appDataDir);
const dataExists = plugins.smartfile.fs.isDirectory(dataDir);
if (appDataExists) {
this.dirPathArg = appDataDir;
} else if (dataExists) {
this.dirPathArg = dataDir;
} else {
await plugins.smartfile.fs.ensureDir(nogitAppData);
this.dirPathArg = nogitAppData;
}
}
this.kvStore = new KeyValueStore('custom', 'appkv', this.dirPathArg);
this.readyDeferred.resolve();
}
/**
* returns a kvtore that resides in appdata
*/
public async getKvStore() {
await this.readyDeferred.promise;
return this.kvStore;
}
}