Gemini: Add tool calling

c9277cec28792539f7c63cb479682d68d5885ddd

Cohee <18619528+Cohee1207@users.noreply.github.com>

5 files changed, +92 -6Showing whitespace changes
public/index.html+1 -1
@@ -1962,7 +1962,7 @@
1962 </span>1962 </span>
1963 </div>1963 </div>
1964 </div>1964 </div>
1965 <div class="range-block" data-source="openai,cohere,mistralai,custom,claude,openrouter,groq,deepseek">1965 <div class="range-block" data-source="openai,cohere,mistralai,custom,claude,openrouter,groq,deepseek,makersuite">
1966 <label for="openai_function_calling" class="checkbox_label flexWrap widthFreeExpand">1966 <label for="openai_function_calling" class="checkbox_label flexWrap widthFreeExpand">
1967 <input id="openai_function_calling" type="checkbox" />1967 <input id="openai_function_calling" type="checkbox" />
1968 <span data-i18n="Enable function calling">Enable function calling</span>1968 <span data-i18n="Enable function calling">Enable function calling</span>
public/scripts/sse-stream.js+5 -0
@@ -137,9 +137,14 @@ async function* parseStreamData(json) {
137 else if (Array.isArray(json.candidates)) {137 else if (Array.isArray(json.candidates)) {
138 for (let i = 0; i < json.candidates.length; i++) {138 for (let i = 0; i < json.candidates.length; i++) {
139 const isNotPrimary = json.candidates?.[0]?.index > 0;139 const isNotPrimary = json.candidates?.[0]?.index > 0;
140 const hasToolCalls = json?.candidates?.[0]?.content?.parts?.some(p => p?.functionCall);
140 if (isNotPrimary || json.candidates.length === 0) {141 if (isNotPrimary || json.candidates.length === 0) {
141 return null;142 return null;
142 }143 }
144 if (hasToolCalls) {
145 yield { data: json, chunk: '' };
146 return;
147 }
143 if (typeof json.candidates[0].content === 'object' && Array.isArray(json.candidates[i].content.parts)) {148 if (typeof json.candidates[0].content === 'object' && Array.isArray(json.candidates[i].content.parts)) {
144 for (let j = 0; j < json.candidates[i].content.parts.length; j++) {149 for (let j = 0; j < json.candidates[i].content.parts.length; j++) {
145 if (typeof json.candidates[i].content.parts[j].text === 'string') {150 if (typeof json.candidates[i].content.parts[j].text === 'string') {
public/scripts/tool-calling.js+33 -0
@@ -506,6 +506,26 @@ export class ToolManager {
506 }506 }
507 }507 }
508 }508 }
509 if (Array.isArray(parsed?.candidates)) {
510 for (let choiceIndex = 0; choiceIndex < parsed.candidates.length; choiceIndex++) {
511 const candidate = parsed.candidates[choiceIndex];
512 if (Array.isArray(candidate?.content?.parts)) {
513 for (let toolCallIndex = 0; toolCallIndex < candidate.content.parts.length; toolCallIndex++) {
514 const part = candidate.content.parts[toolCallIndex];
515 if (part.functionCall) {
516 if (!Array.isArray(toolCalls[choiceIndex])) {
517 toolCalls[choiceIndex] = [];
518 }
519 if (toolCalls[choiceIndex][toolCallIndex] === undefined) {
520 toolCalls[choiceIndex][toolCallIndex] = {};
521 }
522 const targetToolCall = toolCalls[choiceIndex][toolCallIndex];
523 ToolManager.#applyToolCallDelta(targetToolCall, part.functionCall);
524 }
525 }
526 }
527 }
528 }
509 }529 }
510530
511 /**531 /**
@@ -564,6 +584,7 @@ export class ToolManager {
564 chat_completion_sources.GROQ,584 chat_completion_sources.GROQ,
565 chat_completion_sources.COHERE,585 chat_completion_sources.COHERE,
566 chat_completion_sources.DEEPSEEK,586 chat_completion_sources.DEEPSEEK,
587 chat_completion_sources.MAKERSUITE,
567 ];588 ];
568 return supportedSources.includes(oai_settings.chat_completion_source);589 return supportedSources.includes(oai_settings.chat_completion_source);
569 }590 }
@@ -585,8 +606,11 @@ export class ToolManager {
585 * @returns {any[]} Tool calls from the response data606 * @returns {any[]} Tool calls from the response data
586 */607 */
587 static #getToolCallsFromData(data) {608 static #getToolCallsFromData(data) {
609 const getRandomId = () => Math.random().toString(36).substring(2);
588 const isClaudeToolCall = c => Array.isArray(c) ? c.filter(x => x).every(isClaudeToolCall) : c?.input && c?.name && c?.id;610 const isClaudeToolCall = c => Array.isArray(c) ? c.filter(x => x).every(isClaudeToolCall) : c?.input && c?.name && c?.id;
611 const isGoogleToolCall = c => Array.isArray(c) ? c.filter(x => x).every(isGoogleToolCall) : c?.name && c?.args;
589 const convertClaudeToolCall = c => ({ id: c.id, function: { name: c.name, arguments: c.input } });612 const convertClaudeToolCall = c => ({ id: c.id, function: { name: c.name, arguments: c.input } });
613 const convertGoogleToolCall = (c) => ({ id: getRandomId(), function: { name: c.name, arguments: c.args } });
590614
591 // Parsed tool calls from streaming data615 // Parsed tool calls from streaming data
592 if (Array.isArray(data) && data.length > 0 && Array.isArray(data[0])) {616 if (Array.isArray(data) && data.length > 0 && Array.isArray(data[0])) {
@@ -594,6 +618,10 @@ export class ToolManager {
594 return data[0].filter(x => x).map(convertClaudeToolCall);618 return data[0].filter(x => x).map(convertClaudeToolCall);
595 }619 }
596620
621 if (isGoogleToolCall(data[0])) {
622 return data[0].filter(x => x).map(convertGoogleToolCall);
623 }
624
597 if (typeof data[0]?.[0]?.tool_calls === 'object') {625 if (typeof data[0]?.[0]?.tool_calls === 'object') {
598 return Array.isArray(data[0]?.[0]?.tool_calls) ? data[0][0].tool_calls : [data[0][0].tool_calls];626 return Array.isArray(data[0]?.[0]?.tool_calls) ? data[0][0].tool_calls : [data[0][0].tool_calls];
599 }627 }
@@ -601,6 +629,11 @@ export class ToolManager {
601 return data[0];629 return data[0];
602 }630 }
603631
632 // Google AI Studio tool calls
633 if (Array.isArray(data?.responseContent?.parts)) {
634 return data.responseContent.parts.filter(p => p.functionCall).map(p => convertGoogleToolCall(p.functionCall));
635 }
636
604 // Parsed tool calls from non-streaming data637 // Parsed tool calls from non-streaming data
605 if (Array.isArray(data?.choices)) {638 if (Array.isArray(data?.choices)) {
606 // Find a choice with 0-index639 // Find a choice with 0-index
src/endpoints/backends/chat-completions.js+15 -1
@@ -385,6 +385,19 @@ async function sendMakerSuiteRequest(request, response) {
385 tools.push(searchTool);385 tools.push(searchTool);
386 }386 }
387387
388 if (Array.isArray(request.body.tools) && request.body.tools.length > 0) {
389 const functionDeclarations = [];
390 for (const tool of request.body.tools) {
391 if (tool.type === 'function') {
392 if (tool.function.parameters?.$schema) {
393 delete tool.function.parameters.$schema;
394 }
395 functionDeclarations.push(tool.function);
396 }
397 }
398 tools.push({ function_declarations: functionDeclarations });
399 }
400
388 let body = {401 let body = {
389 contents: prompt.contents,402 contents: prompt.contents,
390 safetySettings: safetySettings,403 safetySettings: safetySettings,
@@ -454,10 +467,11 @@ async function sendMakerSuiteRequest(request, response) {
454 }467 }
455468
456 const responseContent = candidates[0].content ?? candidates[0].output;469 const responseContent = candidates[0].content ?? candidates[0].output;
470 const functionCall = (candidates?.[0]?.content?.parts ?? []).some(part => part.functionCall);
457 console.warn('Google AI Studio response:', responseContent);471 console.warn('Google AI Studio response:', responseContent);
458472
459 const responseText = typeof responseContent === 'string' ? responseContent : responseContent?.parts?.filter(part => !part.thought)?.map(part => part.text)?.join('\n\n');473 const responseText = typeof responseContent === 'string' ? responseContent : responseContent?.parts?.filter(part => !part.thought)?.map(part => part.text)?.join('\n\n');
460 if (!responseText) {474 if (!responseText && !functionCall) {
461 let message = 'Google AI Studio Candidate text empty';475 let message = 'Google AI Studio Candidate text empty';
462 console.warn(message, generateResponseJson);476 console.warn(message, generateResponseJson);
463 return response.send({ error: { message } });477 return response.send({ error: { message } });
src/prompt-converters.js+38 -4
@@ -1,5 +1,5 @@
1import crypto from 'node:crypto';1import crypto from 'node:crypto';
2import { getConfigValue } from './util.js';2import { getConfigValue, tryParse } from './util.js';
33
4const PROMPT_PLACEHOLDER = getConfigValue('promptPlaceholder', 'Let\'s get started.');4const PROMPT_PLACEHOLDER = getConfigValue('promptPlaceholder', 'Let\'s get started.');
55
@@ -411,11 +411,12 @@ export function convertGooglePrompt(messages, model, useSysPrompt, names) {
411 }411 }
412412
413 const system_instruction = { parts: { text: sys_prompt.trim() } };413 const system_instruction = { parts: { text: sys_prompt.trim() } };
414 const toolNameMap = {};
414415
415 const contents = [];416 const contents = [];
416 messages.forEach((message, index) => {417 messages.forEach((message, index) => {
417 // fix the roles418 // fix the roles
418 if (message.role === 'system') {419 if (message.role === 'system' || message.role === 'tool') {
419 message.role = 'user';420 message.role = 'user';
420 } else if (message.role === 'assistant') {421 } else if (message.role === 'assistant') {
421 message.role = 'model';422 message.role = 'model';
@@ -423,7 +424,21 @@ export function convertGooglePrompt(messages, model, useSysPrompt, names) {
423424
424 // Convert the content to an array of parts425 // Convert the content to an array of parts
425 if (!Array.isArray(message.content)) {426 if (!Array.isArray(message.content)) {
426 message.content = [{ type: 'text', text: String(message.content ?? '') }];427 const content = (() => {
428 const hasToolCalls = Array.isArray(message.tool_calls) && message.tool_calls.length > 0;
429 const hasToolCallId = typeof message.tool_call_id === 'string' && message.tool_call_id.length > 0;
430
431 if (hasToolCalls) {
432 return { type: 'tool_calls', tool_calls: message.tool_calls };
433 }
434
435 if (hasToolCallId) {
436 return { type: 'tool_call_id', tool_call_id: message.tool_call_id, content: String(message.content ?? '') };
437 }
438
439 return { type: 'text', text: String(message.content ?? '') };
440 })();
441 message.content = [content];
427 }442 }
428443
429 // similar story as claude444 // similar story as claude
@@ -455,6 +470,25 @@ export function convertGooglePrompt(messages, model, useSysPrompt, names) {
455 message.content.forEach((part) => {470 message.content.forEach((part) => {
456 if (part.type === 'text') {471 if (part.type === 'text') {
457 parts.push({ text: part.text });472 parts.push({ text: part.text });
473 } else if (part.type === 'tool_call_id') {
474 const name = toolNameMap[part.tool_call_id] ?? 'unknown';
475 parts.push({
476 functionResponse: {
477 name: name,
478 response: { name: name, content: part.content },
479 },
480 });
481 } else if (part.type === 'tool_calls') {
482 part.tool_calls.forEach((toolCall) => {
483 parts.push({
484 functionCall: {
485 name: toolCall.function.name,
486 args: tryParse(toolCall.function.arguments) ?? toolCall.function.arguments,
487 },
488 });
489
490 toolNameMap[toolCall.id] = toolCall.function.name;
491 });
458 } else if (part.type === 'image_url' && isMultimodal) {492 } else if (part.type === 'image_url' && isMultimodal) {
459 const mimeType = part.image_url.url.split(';')[0].split(':')[1];493 const mimeType = part.image_url.url.split(';')[0].split(':')[1];
460 const base64Data = part.image_url.url.split(',')[1];494 const base64Data = part.image_url.url.split(',')[1];
@@ -473,7 +507,7 @@ export function convertGooglePrompt(messages, model, useSysPrompt, names) {
473 if (part.text) {507 if (part.text) {
474 contents[contents.length - 1].parts[0].text += '\n\n' + part.text;508 contents[contents.length - 1].parts[0].text += '\n\n' + part.text;
475 }509 }
476 if (part.inlineData) {510 if (part.inlineData || part.functionCall) {
477 contents[contents.length - 1].parts.push(part);511 contents[contents.length - 1].parts.push(part);
478 }512 }
479 });513 });