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/**
* API client for the LLM Council backend.
*/
const API_BASE = window.location.hostname === 'localhost' ? 'http://localhost:8001' : '';
export const api = {
/**
* List all conversations.
*/
async listConversations() {
const response = await fetch(`${API_BASE}/api/conversations`);
if (!response.ok) {
throw new Error('Failed to list conversations');
}
return response.json();
},
/**
* Create a new conversation.
*/
async createConversation() {
const response = await fetch(`${API_BASE}/api/conversations`, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify({}),
});
if (!response.ok) {
throw new Error('Failed to create conversation');
}
return response.json();
},
/**
* Get a specific conversation.
*/
async getConversation(conversationId) {
const response = await fetch(
`${API_BASE}/api/conversations/${conversationId}`
);
if (!response.ok) {
throw new Error('Failed to get conversation');
}
return response.json();
},
/**
* Send a message in a conversation.
*/
async sendMessage(conversationId, content) {
const response = await fetch(
`${API_BASE}/api/conversations/${conversationId}/message`,
{
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify({ content }),
}
);
if (!response.ok) {
throw new Error('Failed to send message');
}
return response.json();
},
/**
* Send a message and receive streaming updates.
* @param {string} conversationId - The conversation ID
* @param {string} content - The message content
* @param {function} onEvent - Callback function for each event: (eventType, data) => void
* @returns {Promise<void>}
*/
async sendMessageStream(conversationId, content, onEvent, signal) {
const response = await fetch(
`${API_BASE}/api/conversations/${conversationId}/message/stream`,
{
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify({ content }),
signal,
}
);
if (!response.ok) {
throw new Error('Failed to send message');
}
const reader = response.body.getReader();
const decoder = new TextDecoder();
let buffer = '';
while (true) {
const { done, value } = await reader.read();
if (done) break;
buffer += decoder.decode(value, { stream: true });
// Split on double newline (SSE event boundary)
const parts = buffer.split('\n\n');
// Last part may be incomplete — keep it in buffer
buffer = parts.pop();
for (const part of parts) {
const lines = part.split('\n');
for (const line of lines) {
if (line.startsWith('data: ')) {
const data = line.slice(6);
try {
const event = JSON.parse(data);
onEvent(event.type, event);
} catch (e) {
console.error('Failed to parse SSE event:', e);
}
}
}
}
}
},
};
|
