All files / transpiler NodeFileSystem.ts

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/**
 * NodeFileSystem
 * Default implementation of IFileSystem using Node.js fs module.
 *
 * This is the production implementation used when no mock is injected.
 */
 
import {
  readFileSync,
  writeFileSync,
  existsSync,
  statSync,
  mkdirSync,
  readdirSync,
} from "node:fs";
import IFileSystem from "./types/IFileSystem";
 
/**
 * Node.js file system implementation
 */
class NodeFileSystem implements IFileSystem {
  readFile(path: string): string {
    return readFileSync(path, "utf-8");
  }
 
  writeFile(path: string, content: string): void {
    writeFileSync(path, content, "utf-8");
  }
 
  exists(path: string): boolean {
    return existsSync(path);
  }
 
  isDirectory(path: string): boolean {
    Iif (!existsSync(path)) {
      return false;
    }
    return statSync(path).isDirectory();
  }
 
  isFile(path: string): boolean {
    Iif (!existsSync(path)) {
      return false;
    }
    return statSync(path).isFile();
  }
 
  mkdir(path: string, options?: { recursive?: boolean }): void {
    mkdirSync(path, options);
  }
 
  readdir(path: string): string[] {
    return readdirSync(path);
  }
 
  stat(path: string): { mtimeMs: number } {
    const stats = statSync(path);
    return { mtimeMs: stats.mtimeMs };
  }
 
  /** Shared singleton instance for use across all modules */
  private static _instance: NodeFileSystem | null = null;
 
  static get instance(): NodeFileSystem {
    NodeFileSystem._instance ??= new NodeFileSystem();
    return NodeFileSystem._instance;
  }
}
 
export default NodeFileSystem;