ducjs/dist/utils/filebyte.d.ts

The duc 2D CAD file format is a cornerstone of our advanced design system, conceived to cater to professionals seeking precision and efficiency in their design work.

/**
 * Synchronously converts data to a Base64 Data URL.
 *
 * This function is truly synchronous and works in both Node.js and browser environments.
 *
 * @param data The input data. Can be a UTF-8 string, a Uint8Array, or an ArrayBuffer.
 * @param mimeType The MIME type for the Data URL.
 * @returns A fully formed Base64 Data URL string.
 */
export declare function toDataURL(data: string | Uint8Array | ArrayBuffer, mimeType?: string): string;
/**
 * Synchronously decodes a Base64 Data URL into its constituent parts.
 *
 * This function only supports Base64 encoded Data URLs.
 *
 * @param dataUrl The Base64 Data URL string (e.g., "data:image/png;base64,iVBOR...").
 * @returns An object containing the decoded Uint8Array and the MIME type.
 * @throws An error if the input is not a valid or supported Data URL.
 */
export declare function fromDataURL(dataUrl: string): {
    data: Uint8Array;
    mimeType: string;
};
export declare function uint8ArrayToBase64(bytes: Uint8Array): string;
export declare function base64ToUint8Array(base64: string): Uint8Array;
/**
 * Converts a Uint8Array to a browser File object.
 *
 * @param bytes The Uint8Array containing the binary data of the file.
 * @param fileName The desired name for the file, including its extension (e.g., "thumbnail.png").
 * @param options Optional settings for the file.
 * @param options.mimeType The MIME type of the file (e.g., "image/png"). Defaults to "application/octet-stream".
 * @param options.lastModified The timestamp (milliseconds since epoch) for the file's last modified date. Defaults to the current time.
 * @returns A File object.
 */
export declare function uint8ArrayToFile(bytes: Uint8Array, fileName: string, options?: {
    mimeType?: string;
    lastModified?: number;
}): File;