safe-result/lib/internal.d.ts

Create safe results that are either successes or failures

/**
 * @packageDocumentation
 * @internal
 * Internal module
 */
import type { FailureResult, SuccessResult, ValueType } from './lib';
/**
 * @internal
 * Check if `o` is a Promise or not
 */
export declare function isPromise(o: unknown): o is Promise<unknown>;
/**
 * @internal
 * Check if `e` in an Error instance
 */
export declare function isError(e: unknown): e is Error;
/**
 * @internal
 */
export declare function extractValue<T>(t: T[]): Array<ValueType<T>>;
/**
 * @internal
 */
export declare function toSuccess<T extends SuccessResult | unknown>(e: T): SuccessResult<ValueType<T>>;
/**
 * @internal
 */
export declare function toFailure<T extends FailureResult | unknown>(e: T): FailureResult<ValueType<T>>;
/**
 * @internal
 */
export declare function isUndefinedOrNull(o: unknown): o is undefined | null;
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