Client: chat

import { createClient, citationDisplayLabel } from "@oprag/sdk";

const oprag = createClient({ apiUrl: "https://api.dev.oprag.ai", apiKey: embedKey });

const res = await oprag.chat.ask({ question: "What is your refund policy?" });

if (res.type === "answer") {
  render(res.answer);
  for (const source of res.sources ?? []) {
    console.log(citationDisplayLabel(source));
  }
} else {
  // res.type === "lead_capture_prompt" — there is no `answer` on this branch.
  renderLeadForm(res.promptMessage, res.fields);
}

const first = await oprag.chat.ask({ question: "Do you ship to Canada?" });

if (first.type === "answer") {
  const second = await oprag.chat.ask({
    question: "How long does it take?",
    sessionId: first.sessionId,
    conversationId: first.conversationId,
    visitorId: first.visitorId,
  });
}

const controller = new AbortController();

const final = await oprag.chat.stream(
  { question: "Summarize your shipping policy", sessionId },
  {
    // `accumulated` is the whole answer so far — render it directly.
    onToken: (_token, accumulated) => setDraft(accumulated),
    onSources: (sources) => setCitations(sources ?? []),
    signal: controller.signal,
  },
);