wave-roll/dist/lib/core/file/utils.d.ts

JavaScript Library for Comparative MIDI Piano-Roll Visualization

/**
 * Validate file ID
 *
 * @param fileId - The file ID to validate
 * @returns `true` if the file ID is valid, `false` otherwise
 *
 * @example
 * ```ts
 * isValidFileId("123"); // true
 * isValidFileId(""); // false
 */
export declare function isValidFileId(fileId: string): boolean;
/**
 * Check if a file is a valid MIDI file based on extension
 * @param file - File to check
 * @returns Whether the file has a valid MIDI extension
 */
export declare function isValidMidiFile(file: File): boolean;
/**
 * Get file size in human-readable format
 * @param bytes - File size in bytes
 * @returns Formatted file size string
 */
export declare function formatFileSize(bytes: number): string;
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