funval/lib/Error.js

A minimalist library for data validation using functions interfaces.

"use strict";

exports.__esModule = true;
exports.getErrorPaths = getErrorPaths;
exports.toError = toError;
exports.createValidationError = createValidationError;

// exported functions
function getErrorPaths(error, path) {
  if (!error.paths) {
    return [{
      path,
      error
    }];
  }

  return error.paths.map(ep => ({
    path: [...path, ...ep.path],
    error: ep.error
  }));
}

function toError(error) {
  if (typeof error === 'string') {
    return new TypeError(error);
  }

  return error;
}

function createValidationError(paths, error) {
  if (!paths || !paths.length) {
    throw toError(error || 'Unknown Validation Error');
  }

  const err = toError(error || paths[0].error);
  err.paths = paths;
  return err;
}
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