langchain/dist/experimental/masking/types.d.ts

Typescript bindings for langchain

import { MaskingTransformer } from "./transformer.js";
/**
 * Configuration type for MaskingParser.
 */
export type MaskingParserConfig = {
    transformers?: MaskingTransformer[];
    defaultHashFunction?: HashFunction;
    onMaskingStart?: HookFunction;
    onMaskingEnd?: HookFunction;
    onRehydratingStart?: HookFunction;
    onRehydratingEnd?: HookFunction;
};
/**
 *  Regex Masking Pattern used for masking in PIIMaskingTransformer.
 */
export type MaskingPattern = {
    regex: RegExp;
    replacement?: string;
    mask?: (match: string) => string;
};
export type HookFunction = ((message: string) => Promise<void>) | ((message: string) => void);
/**
 * Represents a function that can hash a string input.
 */
export type HashFunction = (input: string) => string;