smart-dropzone-react/dist/chunk-WYTPI37C.cjs.map

🚀 A production-ready React dropzone component with smart defaults, drag & drop reordering, chunked uploads, resume functionality, and comprehensive provider support (Cloudinary, AWS S3, Supabase)

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* Comprehensive validation utilities for Smart Dropzone\r\n *\r\n * This module provides robust input validation for all user inputs,\r\n * file operations, and configuration parameters throughout the package.\r\n */\r\n\r\nimport { ConfigValidator, UPLOAD, FILE_SIZE } from \"./config\";\r\nimport { UploadError } from \"./error-handler\";\r\n\r\nexport interface ValidationResult {\r\n  isValid: boolean;\r\n  errors: string[];\r\n  warnings: string[];\r\n}\r\n\r\nexport class InputValidator {\r\n  /**\r\n   * Validate file objects\r\n   */\r\n  static validateFile(file: unknown): ValidationResult {\r\n    const result: ValidationResult = {\r\n      isValid: true,\r\n      errors: [],\r\n      warnings: [],\r\n    };\r\n\r\n    if (!file) {\r\n      result.isValid = false;\r\n      result.errors.push(\"File is required\");\r\n      return result;\r\n    }\r\n\r\n    if (!(file instanceof File)) {\r\n      result.isValid = false;\r\n      result.errors.push(\"Invalid file object\");\r\n      return result;\r\n    }\r\n\r\n    // Check file name\r\n    if (!file.name || file.name.trim().length === 0) {\r\n      result.isValid = false;\r\n      result.errors.push(\"File name is required\");\r\n    }\r\n\r\n    // Check file name length\r\n    if (file.name.length > 255) {\r\n      result.isValid = false;\r\n      result.errors.push(\"File name is too long (maximum 255 characters)\");\r\n    }\r\n\r\n    // Check for potentially dangerous file names\r\n    const dangerousPatterns = [\r\n      /^\\.+$/, // Only dots\r\n      /[<>:\"|?*]/, // Windows forbidden characters\r\n      /\\0/, // Null character\r\n      /^\\s+$/, // Only whitespace\r\n    ];\r\n\r\n    if (dangerousPatterns.some((pattern) => pattern.test(file.name))) {\r\n      result.isValid = false;\r\n      result.errors.push(\"File name contains invalid characters\");\r\n    }\r\n\r\n    // Check file size (allow zero-byte files but warn)\r\n    if (file.size < 0 || file.size > FILE_SIZE.BYTES_PER_TB) {\r\n      result.isValid = false;\r\n      result.errors.push(\"File size is invalid\");\r\n    }\r\n\r\n    if (file.size === 0) {\r\n      result.warnings.push(\"File appears to be empty\");\r\n    }\r\n\r\n    return result;\r\n  }\r\n\r\n  /**\r\n   * Validate file arrays\r\n   */\r\n  static validateFileList(files: unknown): ValidationResult {\r\n    const result: ValidationResult = {\r\n      isValid: true,\r\n      errors: [],\r\n      warnings: [],\r\n    };\r\n\r\n    if (!Array.isArray(files)) {\r\n      result.isValid = false;\r\n      result.errors.push(\"Files must be an array\");\r\n      return result;\r\n    }\r\n\r\n    if (files.length === 0) {\r\n      result.warnings.push(\"No files provided\");\r\n      return result;\r\n    }\r\n\r\n    if (files.length > UPLOAD.DEFAULT_MAX_FILES) {\r\n      result.isValid = false;\r\n      result.errors.push(\r\n        `Too many files (maximum ${UPLOAD.DEFAULT_MAX_FILES})`\r\n      );\r\n    }\r\n\r\n    // Validate each file\r\n    files.forEach((file, index) => {\r\n      const fileValidation = this.validateFile(file);\r\n      if (!fileValidation.isValid) {\r\n        result.isValid = false;\r\n        fileValidation.errors.forEach((error) => {\r\n          result.errors.push(`File ${index + 1}: ${error}`);\r\n        });\r\n      }\r\n      fileValidation.warnings.forEach((warning) => {\r\n        result.warnings.push(`File ${index + 1}: ${warning}`);\r\n      });\r\n    });\r\n\r\n    return result;\r\n  }\r\n\r\n  /**\r\n   * Validate upload options\r\n   */\r\n  static validateUploadOptions(options: unknown): ValidationResult {\r\n    const result: ValidationResult = {\r\n      isValid: true,\r\n      errors: [],\r\n      warnings: [],\r\n    };\r\n\r\n    if (!options || typeof options !== \"object\") {\r\n      result.warnings.push(\"No upload options provided, using defaults\");\r\n      return result;\r\n    }\r\n\r\n    const opts = options as Record<string, any>;\r\n\r\n    // Validate maxFileSize\r\n    if (opts.maxFileSize !== undefined) {\r\n      if (typeof opts.maxFileSize !== \"number\" || opts.maxFileSize <= 0) {\r\n        result.isValid = false;\r\n        result.errors.push(\"maxFileSize must be a positive number\");\r\n      } else if (!ConfigValidator.validateFileSize(opts.maxFileSize)) {\r\n        result.isValid = false;\r\n        result.errors.push(\"maxFileSize exceeds maximum allowed size\");\r\n      }\r\n    }\r\n\r\n    // Validate maxFiles\r\n    if (opts.maxFiles !== undefined) {\r\n      if (\r\n        typeof opts.maxFiles !== \"number\" ||\r\n        opts.maxFiles <= 0 ||\r\n        opts.maxFiles > 100\r\n      ) {\r\n        result.isValid = false;\r\n        result.errors.push(\"maxFiles must be a number between 1 and 100\");\r\n      }\r\n    }\r\n\r\n    // Validate allowedTypes\r\n    if (opts.allowedTypes !== undefined) {\r\n      if (!Array.isArray(opts.allowedTypes)) {\r\n        result.isValid = false;\r\n        result.errors.push(\"allowedTypes must be an array\");\r\n      } else if (opts.allowedTypes.length === 0) {\r\n        result.warnings.push(\r\n          \"allowedTypes is empty - all file types will be rejected\"\r\n        );\r\n      } else {\r\n        opts.allowedTypes.forEach((type: any, index: number) => {\r\n          if (typeof type !== \"string\") {\r\n            result.isValid = false;\r\n            result.errors.push(`allowedTypes[${index}] must be a string`);\r\n          }\r\n        });\r\n      }\r\n    }\r\n\r\n    return result;\r\n  }\r\n\r\n  /**\r\n   * Validate preview options\r\n   */\r\n  static validatePreviewOptions(options: unknown): ValidationResult {\r\n    const result: ValidationResult = {\r\n      isValid: true,\r\n      errors: [],\r\n      warnings: [],\r\n    };\r\n\r\n    if (!options || typeof options !== \"object\") {\r\n      return result; // Optional parameter\r\n    }\r\n\r\n    const opts = options as Record<string, any>;\r\n\r\n    // Validate dimensions\r\n    if (opts.maxWidth !== undefined) {\r\n      if (typeof opts.maxWidth !== \"number\" || opts.maxWidth <= 0) {\r\n        result.isValid = false;\r\n        result.errors.push(\"maxWidth must be a positive number\");\r\n      } else if (!ConfigValidator.validateDimensions(opts.maxWidth, 100)) {\r\n        result.isValid = false;\r\n        result.errors.push(\"maxWidth exceeds maximum allowed dimensions\");\r\n      }\r\n    }\r\n\r\n    if (opts.maxHeight !== undefined) {\r\n      if (typeof opts.maxHeight !== \"number\" || opts.maxHeight <= 0) {\r\n        result.isValid = false;\r\n        result.errors.push(\"maxHeight must be a positive number\");\r\n      } else if (!ConfigValidator.validateDimensions(100, opts.maxHeight)) {\r\n        result.isValid = false;\r\n        result.errors.push(\"maxHeight exceeds maximum allowed dimensions\");\r\n      }\r\n    }\r\n\r\n    // Validate quality\r\n    if (opts.quality !== undefined) {\r\n      if (!ConfigValidator.validateQuality(opts.quality)) {\r\n        result.isValid = false;\r\n        result.errors.push(\"quality must be a number between 0 and 1\");\r\n      }\r\n    }\r\n\r\n    // Validate format\r\n    if (opts.format !== undefined) {\r\n      const allowedFormats = [\"webp\", \"jpeg\", \"png\"];\r\n      if (!allowedFormats.includes(opts.format)) {\r\n        result.isValid = false;\r\n        result.errors.push(\r\n          `format must be one of: ${allowedFormats.join(\", \")}`\r\n        );\r\n      }\r\n    }\r\n\r\n    return result;\r\n  }\r\n\r\n  /**\r\n   * Validate drag and drop options\r\n   */\r\n  static validateDragOptions(options: unknown): ValidationResult {\r\n    const result: ValidationResult = {\r\n      isValid: true,\r\n      errors: [],\r\n      warnings: [],\r\n    };\r\n\r\n    if (!options || typeof options !== \"object\") {\r\n      return result; // Optional parameter\r\n    }\r\n\r\n    const opts = options as Record<string, any>;\r\n\r\n    // Validate animationDuration\r\n    if (opts.animationDuration !== undefined) {\r\n      if (\r\n        typeof opts.animationDuration !== \"number\" ||\r\n        opts.animationDuration < 0\r\n      ) {\r\n        result.isValid = false;\r\n        result.errors.push(\"animationDuration must be a non-negative number\");\r\n      } else if (opts.animationDuration > 5000) {\r\n        result.warnings.push(\r\n          \"animationDuration is quite long - may affect user experience\"\r\n        );\r\n      }\r\n    }\r\n\r\n    // Validate dragThreshold\r\n    if (opts.dragThreshold !== undefined) {\r\n      if (typeof opts.dragThreshold !== \"number\" || opts.dragThreshold < 0) {\r\n        result.isValid = false;\r\n        result.errors.push(\"dragThreshold must be a non-negative number\");\r\n      }\r\n    }\r\n\r\n    // Validate gridSize\r\n    if (opts.gridSize !== undefined) {\r\n      if (typeof opts.gridSize !== \"number\" || opts.gridSize <= 0) {\r\n        result.isValid = false;\r\n        result.errors.push(\"gridSize must be a positive number\");\r\n      }\r\n    }\r\n\r\n    return result;\r\n  }\r\n\r\n  /**\r\n   * Validate provider configuration\r\n   */\r\n  static validateProviderConfig(config: unknown): ValidationResult {\r\n    const result: ValidationResult = {\r\n      isValid: true,\r\n      errors: [],\r\n      warnings: [],\r\n    };\r\n\r\n    if (!config || typeof config !== \"object\") {\r\n      result.isValid = false;\r\n      result.errors.push(\"Provider configuration is required\");\r\n      return result;\r\n    }\r\n\r\n    const cfg = config as Record<string, any>;\r\n\r\n    // Check for required fields (these will vary by provider)\r\n    if (!cfg.apiKey && !cfg.accessToken && !cfg.credentials) {\r\n      result.warnings.push(\r\n        \"No authentication credentials found in configuration\"\r\n      );\r\n    }\r\n\r\n    // Validate string fields\r\n    const stringFields = [\"apiKey\", \"cloudName\", \"uploadPreset\", \"folder\"];\r\n    stringFields.forEach((field) => {\r\n      if (cfg[field] !== undefined && typeof cfg[field] !== \"string\") {\r\n        result.isValid = false;\r\n        result.errors.push(`${field} must be a string`);\r\n      }\r\n    });\r\n\r\n    return result;\r\n  }\r\n\r\n  /**\r\n   * Validate array indices and ranges\r\n   */\r\n  static validateArrayOperation(\r\n    fromIndex: number,\r\n    toIndex: number,\r\n    arrayLength: number\r\n  ): ValidationResult {\r\n    const result: ValidationResult = {\r\n      isValid: true,\r\n      errors: [],\r\n      warnings: [],\r\n    };\r\n\r\n    if (!Number.isInteger(fromIndex) || !Number.isInteger(toIndex)) {\r\n      result.isValid = false;\r\n      result.errors.push(\"Indices must be integers\");\r\n      return result;\r\n    }\r\n\r\n    if (fromIndex < 0 || toIndex < 0) {\r\n      result.isValid = false;\r\n      result.errors.push(\"Indices cannot be negative\");\r\n    }\r\n\r\n    if (fromIndex >= arrayLength || toIndex >= arrayLength) {\r\n      result.isValid = false;\r\n      result.errors.push(\"Indices exceed array bounds\");\r\n    }\r\n\r\n    if (fromIndex === toIndex) {\r\n      result.warnings.push(\r\n        \"Source and target indices are the same - no operation needed\"\r\n      );\r\n    }\r\n\r\n    return result;\r\n  }\r\n\r\n  /**\r\n   * Validate and sanitize user input strings\r\n   */\r\n  static sanitizeString(input: unknown, maxLength: number = 1000): string {\r\n    if (typeof input !== \"string\") {\r\n      throw UploadError.validationError(\"Input must be a string\");\r\n    }\r\n\r\n    // Remove potentially dangerous characters\r\n    let sanitized = input\r\n      .replace(/[<>]/g, \"\") // Remove angle brackets\r\n      .replace(/javascript:/gi, \"\") // Remove javascript: protocol\r\n      .replace(/data:/gi, \"\") // Remove data: protocol\r\n      .trim();\r\n\r\n    // Truncate if too long\r\n    if (sanitized.length > maxLength) {\r\n      sanitized = sanitized.substring(0, maxLength);\r\n    }\r\n\r\n    return sanitized;\r\n  }\r\n\r\n  /**\r\n   * Validate HTML element references\r\n   */\r\n  static validateElement(element: unknown): ValidationResult {\r\n    const result: ValidationResult = {\r\n      isValid: true,\r\n      errors: [],\r\n      warnings: [],\r\n    };\r\n\r\n    if (!element) {\r\n      result.isValid = false;\r\n      result.errors.push(\"Element is required\");\r\n      return result;\r\n    }\r\n\r\n    if (!(element instanceof HTMLElement)) {\r\n      result.isValid = false;\r\n      result.errors.push(\"Must be a valid HTML element\");\r\n      return result;\r\n    }\r\n\r\n    if (!element.isConnected) {\r\n      result.warnings.push(\"Element is not connected to the DOM\");\r\n    }\r\n\r\n    return result;\r\n  }\r\n\r\n  /**\r\n   * Comprehensive validation for all inputs\r\n   */\r\n  static validateAllInputs(inputs: {\r\n    files?: unknown;\r\n    options?: unknown;\r\n    previewOptions?: unknown;\r\n    dragOptions?: unknown;\r\n    providerConfig?: unknown;\r\n  }): ValidationResult {\r\n    const result: ValidationResult = {\r\n      isValid: true,\r\n      errors: [],\r\n      warnings: [],\r\n    };\r\n\r\n    // Validate each input type\r\n    if (inputs.files !== undefined) {\r\n      const fileValidation = this.validateFileList(inputs.files);\r\n      if (!fileValidation.isValid) {\r\n        result.isValid = false;\r\n        result.errors.push(...fileValidation.errors);\r\n      }\r\n      result.warnings.push(...fileValidation.warnings);\r\n    }\r\n\r\n    if (inputs.options !== undefined) {\r\n      const optionsValidation = this.validateUploadOptions(inputs.options);\r\n      if (!optionsValidation.isValid) {\r\n        result.isValid = false;\r\n        result.errors.push(...optionsValidation.errors);\r\n      }\r\n      result.warnings.push(...optionsValidation.warnings);\r\n    }\r\n\r\n    if (inputs.previewOptions !== undefined) {\r\n      const previewValidation = this.validatePreviewOptions(\r\n        inputs.previewOptions\r\n      );\r\n      if (!previewValidation.isValid) {\r\n        result.isValid = false;\r\n        result.errors.push(...previewValidation.errors);\r\n      }\r\n      result.warnings.push(...previewValidation.warnings);\r\n    }\r\n\r\n    if (inputs.dragOptions !== undefined) {\r\n      const dragValidation = this.validateDragOptions(inputs.dragOptions);\r\n      if (!dragValidation.isValid) {\r\n        result.isValid = false;\r\n        result.errors.push(...dragValidation.errors);\r\n      }\r\n      result.warnings.push(...dragValidation.warnings);\r\n    }\r\n\r\n    if (inputs.providerConfig !== undefined) {\r\n      const configValidation = this.validateProviderConfig(\r\n        inputs.providerConfig\r\n      );\r\n      if (!configValidation.isValid) {\r\n        result.isValid = false;\r\n        result.errors.push(...configValidation.errors);\r\n      }\r\n      result.warnings.push(...configValidation.warnings);\r\n    }\r\n\r\n    return result;\r\n  }\r\n}\r\n\r\n/**\r\n * Validation decorators for method parameters\r\n */\r\nexport function validateInput(validationFn: (input: any) => ValidationResult) {\r\n  return function (\r\n    _target: any,\r\n    _propertyName: string,\r\n    descriptor: PropertyDescriptor\r\n  ) {\r\n    const method = descriptor.value;\r\n\r\n    descriptor.value = function (...args: any[]) {\r\n      // Validate first argument (most common case)\r\n      if (args.length > 0) {\r\n        const validation = validationFn(args[0]);\r\n        if (!validation.isValid) {\r\n          throw UploadError.validationError(validation.errors.join(\"; \"));\r\n        }\r\n\r\n        // Log warnings if any\r\n        if (validation.warnings.length > 0) {\r\n          console.warn(\"Validation warnings:\", validation.warnings);\r\n        }\r\n      }\r\n\r\n      return method.apply(this, args);\r\n    };\r\n  };\r\n}\r\n\r\nexport default InputValidator;\r\n"]}