25 lines
1.6 KiB
TypeScript
25 lines
1.6 KiB
TypeScript
|
import type { InputValues } from "@langchain/core/utils/types";
|
||
|
|
import { type ParsedFStringNode, PromptTemplate, type PromptTemplateInput, TypedPromptInputValues } from "@langchain/core/prompts";
|
||
|
|
export type CustomFormatPromptTemplateInput<RunInput extends InputValues> = Omit<PromptTemplateInput<RunInput, string>, "templateFormat"> & {
|
||
|
|
customParser: (template: string) => ParsedFStringNode[];
|
||
|
|
templateValidator?: (template: string, inputVariables: string[]) => boolean;
|
||
|
|
renderer: (template: string, values: InputValues) => string;
|
||
|
|
};
|
||
|
|
export declare class CustomFormatPromptTemplate<RunInput extends InputValues = any, PartialVariableName extends string = any> extends PromptTemplate<RunInput, PartialVariableName> {
|
||
|
|
static lc_name(): string;
|
||
|
|
lc_serializable: boolean;
|
||
|
|
templateValidator?: (template: string, inputVariables: string[]) => boolean;
|
||
|
|
renderer: (template: string, values: InputValues) => string;
|
||
|
|
constructor(input: CustomFormatPromptTemplateInput<RunInput>);
|
||
|
|
/**
|
||
|
|
* Load prompt template from a template
|
||
|
|
*/
|
||
|
|
static fromTemplate<RunInput extends InputValues = Record<string, any>>(template: string, { customParser, ...rest }: Omit<CustomFormatPromptTemplateInput<RunInput>, "template" | "inputVariables">): CustomFormatPromptTemplate<RunInput extends Symbol ? never : RunInput, any>;
|
||
|
|
/**
|
||
|
|
* Formats the prompt template with the provided values.
|
||
|
|
* @param values The values to be used to format the prompt template.
|
||
|
|
* @returns A promise that resolves to a string which is the formatted prompt.
|
||
|
|
*/
|
||
|
|
format(values: TypedPromptInputValues<RunInput>): Promise<string>;
|
||
|
|
}
|