clickup-mcp

export interface ParsedDataUri { mimeType: string; base64Data: string; } /** * Parse data URI strings of the form data:mime/type;base64,.... * Returns null if the value is not a base64 data URI. */ export function parseDataUri(dataUri: string): ParsedDataUri | null { if (!dataUri.startsWith("data:")) { return null; } const match = dataUri.match(/^data:([^;]+);base64,(.+)$/s); if (!match) { return null; } const [, mimeType, base64Part] = match; const sanitizedBase64 = base64Part.replace(/\s+/g, ""); if (!sanitizedBase64) { return null; } return { mimeType, base64Data: sanitizedBase64, }; } /** * Estimate the decoded byte-size of base64 data without allocating buffers */ export function estimateBase64Size(base64Data: string): number { const sanitized = base64Data.replace(/\s+/g, ""); const padding = sanitized.endsWith("==") ? 2 : sanitized.endsWith("=") ? 1 : 0; return Math.max(0, (sanitized.length * 3) / 4 - padding); }