返回目录中所有文件的NestJS服务

import { Injectable } from '@nestjs/common';
import * as fs from 'fs';
import * as path from 'path';

@Injectable()
export class FileService {
  getAllFiles(directory: string): string[] {
    const files: string[] = [];
    this.readDirectory(directory, files);
    return files;
  }

  private readDirectory(directory: string, files: string[]): void {
    const entries = fs.readdirSync(directory, { withFileTypes: true });
    for (const entry of entries) {
      const fullPath = path.join(directory, entry.name);
      if (entry.isDirectory()) {
        this.readDirectory(fullPath, files);
      } else {
        files.push(fullPath);
      }
    }
  }
}

import { Controller, Get, Param } from '@nestjs/common';
import { FileService } from './file.service';

@Controller('files')
export class FileController {
  constructor(private readonly fileService: FileService) {}

  @Get(':directory')
  getAllFiles(@Param('directory') directory: string): string[] {
    return this.fileService.getAllFiles(directory);
  }
}