errors.js

// Currently in sync with Node.js lib/internal/errors.js
// https://github.com/nodejs/node/commit/3b044962c48fe313905877a96b5d0894a5404f6f

/* eslint node-core/documented-errors: "error" */

/* eslint node-core/alphabetize-errors: "error" */

/* eslint node-core/prefer-util-format-errors: "error" */
'use strict'; // The whole point behind this internal module is to allow Node.js to no
// longer be forced to treat every error message change as a semver-major
// change. The NodeError classes here all expose a `code` property whose
// value statically and permanently identifies the error. While the error
// message may change, the code should not.

function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

var codes = {}; // Lazy loaded

var assert;
var util;

function createErrorType(code, message, Base) {
  if (!Base) {
    Base = Error;
  }

  function getMessage(arg1, arg2, arg3) {
    if (typeof message === 'string') {
      return message;
    } else {
      return message(arg1, arg2, arg3);
    }
  }

  var NodeError =
  /*#__PURE__*/
  function (_Base) {
    _inherits(NodeError, _Base);

    function NodeError(arg1, arg2, arg3) {
      var _this;

      _classCallCheck(this, NodeError);

      _this = _possibleConstructorReturn(this, _getPrototypeOf(NodeError).call(this, getMessage(arg1, arg2, arg3)));
      _this.code = code;
      return _this;
    }

    return NodeError;
  }(Base);

  codes[code] = NodeError;
} // https://github.com/nodejs/node/blob/v10.8.0/lib/internal/errors.js


function oneOf(expected, thing) {
  if (Array.isArray(expected)) {
    var len = expected.length;
    expected = expected.map(function (i) {
      return String(i);
    });

    if (len > 2) {
      return "one of ".concat(thing, " ").concat(expected.slice(0, len - 1).join(', '), ", or ") + expected[len - 1];
    } else if (len === 2) {
      return "one of ".concat(thing, " ").concat(expected[0], " or ").concat(expected[1]);
    } else {
      return "of ".concat(thing, " ").concat(expected[0]);
    }
  } else {
    return "of ".concat(thing, " ").concat(String(expected));
  }
} // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/startsWith


function startsWith(str, search, pos) {
  return str.substr(!pos || pos < 0 ? 0 : +pos, search.length) === search;
} // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/endsWith


function endsWith(str, search, this_len) {
  if (this_len === undefined || this_len > str.length) {
    this_len = str.length;
  }

  return str.substring(this_len - search.length, this_len) === search;
} // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/includes


function includes(str, search, start) {
  if (typeof start !== 'number') {
    start = 0;
  }

  if (start + search.length > str.length) {
    return false;
  } else {
    return str.indexOf(search, start) !== -1;
  }
}

createErrorType('ERR_AMBIGUOUS_ARGUMENT', 'The "%s" argument is ambiguous. %s', TypeError);
createErrorType('ERR_INVALID_ARG_TYPE', function (name, expected, actual) {
  if (assert === undefined) assert = require('../assert');
  assert(typeof name === 'string', "'name' must be a string"); // determiner: 'must be' or 'must not be'

  var determiner;

  if (typeof expected === 'string' && startsWith(expected, 'not ')) {
    determiner = 'must not be';
    expected = expected.replace(/^not /, '');
  } else {
    determiner = 'must be';
  }

  var msg;

  if (endsWith(name, ' argument')) {
    // For cases like 'first argument'
    msg = "The ".concat(name, " ").concat(determiner, " ").concat(oneOf(expected, 'type'));
  } else {
    var type = includes(name, '.') ? 'property' : 'argument';
    msg = "The \"".concat(name, "\" ").concat(type, " ").concat(determiner, " ").concat(oneOf(expected, 'type'));
  } // TODO(BridgeAR): Improve the output by showing `null` and similar.


  msg += ". Received type ".concat(_typeof(actual));
  return msg;
}, TypeError);
createErrorType('ERR_INVALID_ARG_VALUE', function (name, value) {
  var reason = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 'is invalid';
  if (util === undefined) util = require('util/');
  var inspected = util.inspect(value);

  if (inspected.length > 128) {
    inspected = "".concat(inspected.slice(0, 128), "...");
  }

  return "The argument '".concat(name, "' ").concat(reason, ". Received ").concat(inspected);
}, TypeError, RangeError);
createErrorType('ERR_INVALID_RETURN_VALUE', function (input, name, value) {
  var type;

  if (value && value.constructor && value.constructor.name) {
    type = "instance of ".concat(value.constructor.name);
  } else {
    type = "type ".concat(_typeof(value));
  }

  return "Expected ".concat(input, " to be returned from the \"").concat(name, "\"") + " function but got ".concat(type, ".");
}, TypeError);
createErrorType('ERR_MISSING_ARGS', function () {
  for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
    args[_key] = arguments[_key];
  }

  if (assert === undefined) assert = require('../assert');
  assert(args.length > 0, 'At least one arg needs to be specified');
  var msg = 'The ';
  var len = args.length;
  args = args.map(function (a) {
    return "\"".concat(a, "\"");
  });

  switch (len) {
    case 1:
      msg += "".concat(args[0], " argument");
      break;

    case 2:
      msg += "".concat(args[0], " and ").concat(args[1], " arguments");
      break;

    default:
      msg += args.slice(0, len - 1).join(', ');
      msg += ", and ".concat(args[len - 1], " arguments");
      break;
  }

  return "".concat(msg, " must be specified");
}, TypeError);
module.exports.codes = codes;