TypeScript API / laikacms/file-sanitizer / FileSanitizerImpl

Class: FileSanitizerImpl

File sanitizer implementation that strips privacy-sensitive metadata from files.

Implements the abstract Sanitizer interface from laikacms/sanitizer.

Example

import { FileSanitizerImpl } from 'laikacms/file-sanitizer';

const sanitizer = new FileSanitizerImpl();

// Check supported types
console.log(sanitizer.getSupportedFileTypes()); // ['png', 'gif', 'webp', 'jpeg']

// Sanitize a file
const result = await sanitizer.sanitize(fileData);

Implements

• Sanitizer

Constructors

Constructor

new FileSanitizerImpl(): FileSanitizerImpl;

Returns

FileSanitizerImpl

Methods

canSanitize()

canSanitize(data): object;

Check if a file can be sanitized (without actually sanitizing it) Useful for validation before upload

Parameters

Parameter	Type
data	Uint8Array

Returns

object

canSanitize

canSanitize: boolean;

detectedType

detectedType: string;

reason?

optional reason?: string;

Implementation of

Sanitizer.canSanitize

---

getSupportedFileTypes()

getSupportedFileTypes(): readonly string[];

Get a list of supported file types/extensions

Returns

readonly string[]

Implementation of

Sanitizer.getSupportedFileTypes

---

sanitize()

sanitize(
   data, 
   options?, 
   expectedMimeType?
): Promise<SanitizeResult>;

Sanitize a file, stripping privacy-sensitive metadata

Parameters

Parameter	Type	Description
data	Uint8Array	The file data as a Uint8Array
options?	SanitizeOptions	Sanitization options
expectedMimeType?	string	Optional expected MIME type for validation

Returns

Promise<SanitizeResult>

SanitizeResult - the sanitized file data and metadata

Throws

if file exceeds maxFileSize

Throws

if file type is not supported or MIME type mismatch

Throws

if file is corrupted

Implementation of

Sanitizer.sanitize