@remcostoeten/fync/dist-cjs/src/core/result.js

Unified TypeScript library for 9 popular APIs with consistent functional architecture

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.failure = failure;
exports.isFailure = isFailure;
exports.isSuccess = isSuccess;
exports.mapResult = mapResult;
exports.success = success;
exports.tryCatch = tryCatch;
exports.unwrap = unwrap;
exports.unwrapOr = unwrapOr;
/**
 * Result type for predictable error handling
 * Following the pattern specified in architecture.md
 */
/**
 * Helper functions for creating and handling results
 */
function success(value) {
  return {
    ok: true,
    value
  };
}
function failure(error) {
  return {
    ok: false,
    error
  };
}
function isSuccess(result) {
  return result.ok === true;
}
function isFailure(result) {
  return result.ok === false;
}
function unwrap(result) {
  if (isSuccess(result)) {
    return result.value;
  }
  throw new Error(typeof result.error === 'string' ? result.error : 'Operation failed');
}
function unwrapOr(result, defaultValue) {
  return isSuccess(result) ? result.value : defaultValue;
}
function mapResult(result, fn) {
  if (isSuccess(result)) {
    return success(fn(result.value));
  }
  return result;
}
async function tryCatch(fn, errorTransform) {
  try {
    const value = await fn();
    return success(value);
  } catch (error) {
    if (errorTransform) {
      return failure(errorTransform(error));
    }
    if (error instanceof Error) {
      return failure(error.message);
    }
    return failure(String(error));
  }
}