Medplum

// SPDX-FileCopyrightText: Copyright Orangebot, Inc. and Medplum contributors // SPDX-License-Identifier: Apache-2.0 import { ClientStorage } from '@medplum/core'; import { existsSync, mkdirSync, readFileSync, writeFileSync } from 'node:fs'; import { homedir } from 'node:os'; import { resolve } from 'node:path'; export class FileSystemStorage extends ClientStorage { private readonly dirName: string; private readonly fileName: string; constructor(profile: string) { super(); this.dirName = resolve(homedir(), '.medplum'); this.fileName = resolve(this.dirName, profile + '.json'); } clear(): void { this.writeFile({}); } getString(key: string): string | undefined { return this.readFile()?.[key]; } setString(key: string, value: string | undefined): void { const data = this.readFile() ?? {}; if (value) { data[key] = value; } else { delete data[key]; } this.writeFile(data); } getObject<T>(key: string): T | undefined { const str = this.getString(key); return str ? (JSON.parse(str) as T) : undefined; } setObject<T>(key: string, value: T): void { this.setString(key, value ? JSON.stringify(value) : undefined); } private readFile(): Record<string, string> | undefined { if (existsSync(this.fileName)) { return JSON.parse(readFileSync(this.fileName, 'utf8')); } return undefined; } private writeFile(data: Record<string, string>): void { if (!existsSync(this.dirName)) { mkdirSync(this.dirName); } writeFileSync(this.fileName, JSON.stringify(data, null, 2), 'utf8'); } }