file-type-validator-ts/dist/validator.d.ts

Validates file extension against its actual buffer-based content type in TypeScript.

/**
 * Validate whether the uploaded file's actual content type
 * matches its file extension using magic number detection.
 */
export interface ValidationResult {
    fileName: string;
    extension: string;
    actualType: string;
    isValid: boolean;
}
/**
 * Final validation logic
 */
export declare function validateFileBuffer(buffer: Buffer, originalName: string): Promise<ValidationResult>;