@arizeai/phoenix-evals/dist/src/helpers/toEvaluationResult.d.ts

A library for running evaluations for AI use cases

import type { EvaluationResult } from "../types";
/**
 * Converts an unknown value to an {@link EvaluationResult}.
 *
 * This function provides a flexible way to normalize various return types from
 * evaluator functions into a standardized `EvaluationResult` format. It handles
 * multiple input types:
 *
 * - **Numbers**: Converted to `{ score: number }`
 * - **Strings**: Converted to `{ label: string }`
 * - **Objects**: Extracts `score`, `label`, and `explanation` properties if present
 * - **Other types**: Returns an empty `EvaluationResult` object
 *
 * This is particularly useful when creating evaluators from functions that may
 * return different types, ensuring consistent evaluation result formatting.
 *
 * @param result - The value to convert to an EvaluationResult. Can be:
 *   - A number (converted to score)
 *   - A string (converted to label)
 *   - An object with optional `score`, `label`, and/or `explanation` properties
 *   - Any other value (returns empty object)
 *
 * @returns An {@link EvaluationResult} object with extracted properties
 *
 * @example
 * Convert a number to an EvaluationResult:
 * ```typescript
 * const result = toEvaluationResult(0.95);
 * // Returns: { score: 0.95 }
 * ```
 *
 * @example
 * Convert a string to an EvaluationResult:
 * ```typescript
 * const result = toEvaluationResult("correct");
 * // Returns: { label: "correct" }
 * ```
 *
 * @example
 * Convert an object with all properties:
 * ```typescript
 * const result = toEvaluationResult({
 *   score: 0.9,
 *   label: "high",
 *   explanation: "High quality output"
 * });
 * // Returns: { score: 0.9, label: "high", explanation: "High quality output" }
 * ```
 *
 * @example
 * Convert an object with partial properties:
 * ```typescript
 * const result = toEvaluationResult({ score: 0.8 });
 * // Returns: { score: 0.8 }
 * ```
 *
 * @example
 * Handle null or undefined:
 * ```typescript
 * const result = toEvaluationResult(null);
 * // Returns: {}
 * ```
 *
 * @public
 */
export declare function toEvaluationResult(result: unknown): EvaluationResult;
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