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file-type-checker

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Detect and validate file types by their signatures (✨magic numbers✨)

github.com/nir11/file-type-checker

nir11/file-type-checker

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import { ZipValidatorOptions } from "../core"; /** * Determine if file content contains a valid '7z' file signature * * @param file File content represents in Array<number> / ArrayBuffer / Uint8Array * * @returns {boolean} True if found a signature of type '7z' in file content, otherwise false */ export declare function is7Z(file: Array<number> | ArrayBuffer | Uint8Array): boolean; /** * Determine if file content contains a valid 'lzh' file signature * * @param file File content represents in Array<number> / ArrayBuffer / Uint8Array * * @returns {boolean} True if found a signature of type 'lzh' in file content, otherwise false */ export declare function isLZH(file: Array<number> | ArrayBuffer | Uint8Array): boolean; /** * Determine if file content contains a valid 'rar' file signature * * @param file File content represents in Array<number> / ArrayBuffer / Uint8Array * * @returns {boolean} True if found a signature of type 'rar' in file content, otherwise false */ export declare function isRAR(file: Array<number> | ArrayBuffer | Uint8Array): boolean; /** * Determine if file content contains a valid 'zip' file signature * * @param file File content represents in Array<number> / ArrayBuffer / Uint8Array * @param options parameters for additional actions * * @returns {boolean} True if found a signature of type 'zip' in file content, otherwise false */ export declare function isZIP(file: Array<number> | ArrayBuffer | Uint8Array, options?: ZipValidatorOptions): boolean;