@craftapit/tester/dist/utils/SimpleEmbedding.d.ts

A focused, LLM-powered testing framework for natural language test scenarios

/**
 * A simple embedding utility that converts text to vector embeddings
 * This is a lightweight alternative to using full ML-based embedding models
 * Note: This produces lower quality embeddings than specialized models but works without external dependencies
 */
export declare class SimpleEmbedding {
    private dimension;
    private seed;
    /**
     * Create a new SimpleEmbedding instance
     * @param dimension The dimension of the embedding vectors (default: 1536)
     * @param seed Random seed for reproducibility (default: 42)
     */
    constructor(dimension?: number, seed?: number);
    /**
     * Generate an embedding vector for the given text
     * @param text The text to embed
     * @returns Embedding vector
     */
    embed(text: string): number[];
    /**
     * Normalize and clean text for embedding
     */
    private normalizeText;
    /**
     * Generate a deterministic vector based on text content
     * Uses a simple hashing approach to create vectors that preserve some semantic similarity
     */
    private generateVector;
    /**
     * Simple seeded string hash function
     */
    private seededHash;
    /**
     * Normalize vector to unit length
     */
    private normalizeVector;
}