115 lines
3.2 KiB
JavaScript
115 lines
3.2 KiB
JavaScript
/**
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* OpenAI to Cursor Request Translator
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* Converts OpenAI messages to Cursor simple format
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*/
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import { register } from "../index.js";
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import { FORMATS } from "../formats.js";
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/**
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* Convert OpenAI messages to Cursor format with native tool_results support
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* - system → user with [System Instructions] prefix
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* - tool → accumulate into tool_results array for next user/assistant message
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* - assistant with tool_calls → keep tool_calls structure (Cursor supports it natively)
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*/
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function convertMessages(messages) {
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const result = [];
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let pendingToolResults = [];
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for (let i = 0; i < messages.length; i++) {
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const msg = messages[i];
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if (msg.role === "system") {
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result.push({
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role: "user",
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content: `[System Instructions]\n${msg.content}`
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});
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continue;
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}
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if (msg.role === "tool") {
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let toolContent = "";
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if (typeof msg.content === "string") {
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toolContent = msg.content;
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} else if (Array.isArray(msg.content)) {
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for (const part of msg.content) {
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if (part.type === "text") {
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toolContent += part.text;
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}
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}
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}
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const toolName = msg.name || "tool";
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const toolCallId = msg.tool_call_id || "";
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// Accumulate tool result
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pendingToolResults.push({
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tool_call_id: toolCallId,
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name: toolName,
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index: pendingToolResults.length,
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raw_args: toolContent
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});
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continue;
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}
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if (msg.role === "user" || msg.role === "assistant") {
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let content = "";
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if (typeof msg.content === "string") {
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content = msg.content;
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} else if (Array.isArray(msg.content)) {
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for (const part of msg.content) {
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if (part.type === "text") {
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content += part.text;
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}
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}
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}
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// Keep tool_calls structure for assistant messages
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if (msg.role === "assistant" && msg.tool_calls && msg.tool_calls.length > 0) {
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const assistantMsg = { role: "assistant" };
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if (content) {
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assistantMsg.content = content;
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}
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assistantMsg.tool_calls = msg.tool_calls;
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// Attach pending tool results to assistant message with tool_calls
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if (pendingToolResults.length > 0) {
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assistantMsg.tool_results = pendingToolResults;
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pendingToolResults = [];
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}
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result.push(assistantMsg);
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} else if (content || pendingToolResults.length > 0) {
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const msgObj = {
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role: msg.role,
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content: content || ""
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};
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// Attach pending tool results to this message
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if (pendingToolResults.length > 0) {
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msgObj.tool_results = pendingToolResults;
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pendingToolResults = [];
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}
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result.push(msgObj);
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}
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}
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}
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return result;
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}
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/**
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* Transform OpenAI request to Cursor format
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* Returns modified body with converted messages
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*/
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export function buildCursorRequest(model, body, stream, credentials) {
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const messages = convertMessages(body.messages || []);
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return {
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...body,
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messages
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};
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}
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register(FORMATS.OPENAI, FORMATS.CURSOR, buildCursorRequest, null);
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