Function buildFileUploadPayload

src/plugin.ts:54–72

(
  filePath: string,
  fileName?: string,
  mimeType?: string
)

}

function buildFileUploadPayload(
  filePath: string,
  fileName?: string,
  mimeType?: string
): { name: string; mimeType?: string; base64: string } {
  const absPath = resolveUploadPath(filePath);
  const stats = statSync(absPath);
  if (!stats.isFile()) throw new Error(`Not a file: ${absPath}`);
  if (stats.size > MAX_UPLOAD_BYTES) {
    throw new Error(
      `File too large (${stats.size} bytes). Max is ${MAX_UPLOAD_BYTES} bytes (OPENCODE_BROWSER_MAX_UPLOAD_BYTES). ` +
        `For larger uploads, use OPENCODE_BROWSER_BACKEND=agent.`
    );
  }
  const base64 = readFileSync(absPath).toString("base64");
  const name = typeof fileName === "string" && fileName.trim() ? fileName.trim() : basename(absPath);
  const mt = typeof mimeType === "string" && mimeType.trim() ? mimeType.trim() : undefined;
  return { name, mimeType: mt, base64 };
}

type BrokerResponse =
  | { type: "response"; id: number; ok: true; data: any }