Scan QRCode MCP Server

/** * Utilities for parsing and handling data URLs. * All comments and docs must be in English as required. */ export function parseBase64DataUrl(dataUrl: string): { mime: string; buffer: Buffer } { const match = /^data:([^;]+);base64,(.+)$/i.exec(dataUrl); if (!match) { throw new Error('Invalid data URL. Expected format: data:<mime>;base64,<data>'); } const [, mime, data] = match; const buffer = Buffer.from(data, 'base64'); return { mime, buffer }; }