npmextra/ts/npmextra.classes.appdata.ts
2024-02-08 14:09:20 +01:00

65 lines
1.8 KiB
TypeScript

import * as plugins from './npmextra.plugins.js';
import * as paths from './npmextra.paths.js';
import { KeyValueStore } from './npmextra.classes.keyvaluestore.js';
export interface IAppDataOptions {
dirPath?: string;
requiredKeys?: string[];
}
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(optionsArg: IAppDataOptions = {}) {
const appData = new AppData(optionsArg);
await appData.readyDeferred.promise;
return appData;
}
// instance
public readyDeferred = plugins.smartpromise.defer();
public options: IAppDataOptions;
private kvStore: KeyValueStore;
constructor(optionsArg: IAppDataOptions = {}) {
this.options = optionsArg;
this.init();
}
/**
* inits app data
* @param pathArg
*/
private async init(pathArg?: string) {
if (this.options.dirPath) {
// 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.options.dirPath = appDataDir;
} else if (dataExists) {
this.options.dirPath = dataDir;
} else {
await plugins.smartfile.fs.ensureDir(nogitAppData);
this.options.dirPath = nogitAppData;
}
}
this.kvStore = new KeyValueStore('custom', 'appkv', this.options.dirPath, this.options.requiredKeys);
this.readyDeferred.resolve();
}
/**
* returns a kvtore that resides in appdata
*/
public async getKvStore() {
await this.readyDeferred.promise;
return this.kvStore;
}
}