pixgo/src/utils/validation.js

A CLI tool to upload images to Cloudinary

import path from 'path';
import fs from 'node:fs';

const MAX_FILE_SIZE = 10 * 1024 * 1024; // 10MB
const ALLOWED_EXTENSIONS = ['.jpg', '.jpeg', '.png', '.gif', '.webp'];

export const validateFile = (filePath) => {
  if (!filePath) {
    throw new Error('File path is required.');
  }

  if (!fs.existsSync(filePath)) {
    throw new Error('File does not exist.');
  }

  const fileSize = fs.statSync(filePath).size;
  if (fileSize > MAX_FILE_SIZE) {
    throw new Error('File size exceeds the maximum limit (10MB).');
  }

  const fileExtension = path.extname(filePath).toLowerCase();
  if (!ALLOWED_EXTENSIONS.includes(fileExtension)) {
    throw new Error('Invalid file format. Allowed formats: jpg, jpeg, png, gif, webp.');
  }

  return true;
};

export { MAX_FILE_SIZE, ALLOWED_EXTENSIONS };