ModelAi/node_modules/openai/lib/parser.js
2025-09-15 10:04:47 +08:00

176 lines
6.6 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.isChatCompletionFunctionTool = isChatCompletionFunctionTool;
exports.makeParseableResponseFormat = makeParseableResponseFormat;
exports.makeParseableTextFormat = makeParseableTextFormat;
exports.isAutoParsableResponseFormat = isAutoParsableResponseFormat;
exports.makeParseableTool = makeParseableTool;
exports.isAutoParsableTool = isAutoParsableTool;
exports.maybeParseChatCompletion = maybeParseChatCompletion;
exports.parseChatCompletion = parseChatCompletion;
exports.shouldParseToolCall = shouldParseToolCall;
exports.hasAutoParseableInput = hasAutoParseableInput;
exports.assertToolCallsAreChatCompletionFunctionToolCalls = assertToolCallsAreChatCompletionFunctionToolCalls;
exports.validateInputTools = validateInputTools;
const error_1 = require("../error.js");
function isChatCompletionFunctionTool(tool) {
return tool !== undefined && 'function' in tool && tool.function !== undefined;
}
function makeParseableResponseFormat(response_format, parser) {
const obj = { ...response_format };
Object.defineProperties(obj, {
$brand: {
value: 'auto-parseable-response-format',
enumerable: false,
},
$parseRaw: {
value: parser,
enumerable: false,
},
});
return obj;
}
function makeParseableTextFormat(response_format, parser) {
const obj = { ...response_format };
Object.defineProperties(obj, {
$brand: {
value: 'auto-parseable-response-format',
enumerable: false,
},
$parseRaw: {
value: parser,
enumerable: false,
},
});
return obj;
}
function isAutoParsableResponseFormat(response_format) {
return response_format?.['$brand'] === 'auto-parseable-response-format';
}
function makeParseableTool(tool, { parser, callback, }) {
const obj = { ...tool };
Object.defineProperties(obj, {
$brand: {
value: 'auto-parseable-tool',
enumerable: false,
},
$parseRaw: {
value: parser,
enumerable: false,
},
$callback: {
value: callback,
enumerable: false,
},
});
return obj;
}
function isAutoParsableTool(tool) {
return tool?.['$brand'] === 'auto-parseable-tool';
}
function maybeParseChatCompletion(completion, params) {
if (!params || !hasAutoParseableInput(params)) {
return {
...completion,
choices: completion.choices.map((choice) => {
assertToolCallsAreChatCompletionFunctionToolCalls(choice.message.tool_calls);
return {
...choice,
message: {
...choice.message,
parsed: null,
...(choice.message.tool_calls ?
{
tool_calls: choice.message.tool_calls,
}
: undefined),
},
};
}),
};
}
return parseChatCompletion(completion, params);
}
function parseChatCompletion(completion, params) {
const choices = completion.choices.map((choice) => {
if (choice.finish_reason === 'length') {
throw new error_1.LengthFinishReasonError();
}
if (choice.finish_reason === 'content_filter') {
throw new error_1.ContentFilterFinishReasonError();
}
assertToolCallsAreChatCompletionFunctionToolCalls(choice.message.tool_calls);
return {
...choice,
message: {
...choice.message,
...(choice.message.tool_calls ?
{
tool_calls: choice.message.tool_calls?.map((toolCall) => parseToolCall(params, toolCall)) ?? undefined,
}
: undefined),
parsed: choice.message.content && !choice.message.refusal ?
parseResponseFormat(params, choice.message.content)
: null,
},
};
});
return { ...completion, choices };
}
function parseResponseFormat(params, content) {
if (params.response_format?.type !== 'json_schema') {
return null;
}
if (params.response_format?.type === 'json_schema') {
if ('$parseRaw' in params.response_format) {
const response_format = params.response_format;
return response_format.$parseRaw(content);
}
return JSON.parse(content);
}
return null;
}
function parseToolCall(params, toolCall) {
const inputTool = params.tools?.find((inputTool) => isChatCompletionFunctionTool(inputTool) && inputTool.function?.name === toolCall.function.name); // TS doesn't narrow based on isChatCompletionTool
return {
...toolCall,
function: {
...toolCall.function,
parsed_arguments: isAutoParsableTool(inputTool) ? inputTool.$parseRaw(toolCall.function.arguments)
: inputTool?.function.strict ? JSON.parse(toolCall.function.arguments)
: null,
},
};
}
function shouldParseToolCall(params, toolCall) {
if (!params || !('tools' in params) || !params.tools) {
return false;
}
const inputTool = params.tools?.find((inputTool) => isChatCompletionFunctionTool(inputTool) && inputTool.function?.name === toolCall.function.name);
return (isChatCompletionFunctionTool(inputTool) &&
(isAutoParsableTool(inputTool) || inputTool?.function.strict || false));
}
function hasAutoParseableInput(params) {
if (isAutoParsableResponseFormat(params.response_format)) {
return true;
}
return (params.tools?.some((t) => isAutoParsableTool(t) || (t.type === 'function' && t.function.strict === true)) ?? false);
}
function assertToolCallsAreChatCompletionFunctionToolCalls(toolCalls) {
for (const toolCall of toolCalls || []) {
if (toolCall.type !== 'function') {
throw new error_1.OpenAIError(`Currently only \`function\` tool calls are supported; Received \`${toolCall.type}\``);
}
}
}
function validateInputTools(tools) {
for (const tool of tools ?? []) {
if (tool.type !== 'function') {
throw new error_1.OpenAIError(`Currently only \`function\` tool types support auto-parsing; Received \`${tool.type}\``);
}
if (tool.function.strict !== true) {
throw new error_1.OpenAIError(`The \`${tool.function.name}\` tool is not marked with \`strict: true\`. Only strict function tools can be auto-parsed`);
}
}
}
//# sourceMappingURL=parser.js.map