langchain
Version:
Typescript bindings for langchain
51 lines (50 loc) • 1.84 kB
JavaScript
import { isOpenAITool, } from "@langchain/core/language_models/base";
import { toJsonSchema, } from "@langchain/core/utils/json_schema";
import { isInteropZodSchema } from "@langchain/core/utils/types";
/**
* Render the tool name and description in plain text.
*
* Output will be in the format of:
* ```
* search: This tool is used for search
* calculator: This tool is used for math
* ```
* @param tools
* @returns a string of all tools and their descriptions
*/
export function renderTextDescription(tools) {
if (tools.every(isOpenAITool)) {
return tools
.map((tool) => `${tool.function.name}${tool.function.description ? `: ${tool.function.description}` : ""}`)
.join("\n");
}
return tools
.map((tool) => `${tool.name}: ${tool.description}`)
.join("\n");
}
/**
* Render the tool name, description, and args in plain text.
* Output will be in the format of:'
* ```
* search: This tool is used for search, args: {"query": {"type": "string"}}
* calculator: This tool is used for math,
* args: {"expression": {"type": "string"}}
* ```
* @param tools
* @returns a string of all tools, their descriptions and a stringified version of their schemas
*/
export function renderTextDescriptionAndArgs(tools) {
if (tools.every(isOpenAITool)) {
return tools
.map((tool) => `${tool.function.name}${tool.function.description ? `: ${tool.function.description}` : ""}, args: ${JSON.stringify(tool.function.parameters)}`)
.join("\n");
}
return tools
.map((tool) => {
const jsonSchema = (isInteropZodSchema(tool.schema)
? toJsonSchema(tool.schema)
: tool.schema);
return `${tool.name}: ${tool.description}, args: ${JSON.stringify(jsonSchema?.properties)}`;
})
.join("\n");
}