ryuudb/src/adapters/file.js

A lightweight, customizable JSON/YAML database for Node.js by Jr Busaco

import { promises as fs } from 'fs';
import { resolve } from 'path';
import yaml from 'js-yaml';

export class FileAdapter {
  constructor(filePath, format = 'json') {
    this.filePath = resolve(filePath);
    this.format = format;
  }

  async read() {
    try {
      const raw = await fs.readFile(this.filePath, 'utf8');
      return this.format === 'yaml' ? yaml.load(raw) : JSON.parse(raw);
    } catch {
      return {};
    }
  }

  async write(data) {
    const content = this.format === 'yaml' ? yaml.dump(data) : JSON.stringify(data, null, 2);
    await fs.writeFile(this.filePath, content);
  }
}