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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 { FileValidatorOptions } from "../core"; /** * Determine if file content contains a valid 'aac' 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 'aac' in file content, otherwise false */ export declare function isAAC(file: Array<number> | ArrayBuffer | Uint8Array, options?: FileValidatorOptions): boolean; /** * Determine if file content contains a valid 'amr' file signature * * @param file File content represents in Array<number> / ArrayBuffer / Uint8Array * * @returns {boolean} True if found a signature of type 'amr' in file content, otherwise false */ export declare function isAMR(file: Array<number> | ArrayBuffer | Uint8Array): boolean; /** * Determine if file content contains a valid 'flac' file signature * * @param file File content represents in Array<number> / ArrayBuffer / Uint8Array * * @returns {boolean} True if found a signature of type 'flac' in file content, otherwise false */ export declare function isFLAC(file: Array<number> | ArrayBuffer | Uint8Array): boolean; /** * Determine if file content contains a valid 'm4a' file signature * * @param file File content represents in Array<number> / ArrayBuffer / Uint8Array * * @returns {boolean} True if found a signature of type 'm4a' in file content, otherwise false */ export declare function isM4A(file: Array<number> | ArrayBuffer | Uint8Array): boolean; /** * Determine if file content contains a valid 'mp3' file signature * * @param file File content represents in Array<number> / ArrayBuffer / Uint8Array * * @returns {boolean} True if found a signature of type 'mp3' in file content, otherwise false */ export declare function isMP3(file: Array<number> | ArrayBuffer | Uint8Array): boolean; /** * Determine if file content contains a valid 'wav' file signature * * @param file File content represents in Array<number> / ArrayBuffer / Uint8Array * * @returns {boolean} True if found a signature of type 'wav' in file content, otherwise false */ export declare function isWAV(file: Array<number> | ArrayBuffer | Uint8Array): boolean;