langchain.js
    Preparing search index...

    A class for transforming and parsing query expressions.

    Index

    Constructors

    • Parameters

      • allowedComparators: Comparator[] = []
      • allowedOperators: Operator[] = []

      Returns QueryTransformer

    Properties

    allowedComparators: Comparator[] = []
    allowedOperators: Operator[] = []

    Methods

    • Parses an expression and returns the transformed operation or comparison. Throws an error if the expression cannot be parsed.

      Parameters

      • expression: string

        The expression to parse.

      Returns Promise<any>

      A Promise that resolves to the transformed operation or comparison.