wehelpjs/lib/validators/validators.js

wehelpjs is the JavaScript API Library for the WeYouMe blockchain

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.validateAccountName = exports.accountNotExist = exports.accountExist = exports.isNotUsername = exports.isUsername = void 0;

var _api = _interopRequireDefault(require("../api"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

require('@babel/polyfill');

const isUsername = async username => {
  const accounts = await _api.default.getAccountsAsync([username]);
  return !!accounts[0];
};

exports.isUsername = isUsername;

const isNotUsername = async username => !(await isUsername(username));

exports.isNotUsername = isNotUsername;

const accountExist = (rule, value, callback) => {
  _api.default.getAccounts([value], (err, result) => {
    if (result && result.find(a => a.name === value)) {
      callback();
    } else {
      callback(['Account name is not found']);
    }
  });
};

exports.accountExist = accountExist;

const accountNotExist = (rule, value, callback) => {
  _api.default.getAccounts([value], (err, result) => {
    if (result && result.find(a => a.name === value)) {
      callback(['Account name is not available']);
    } else {
      callback();
    }
  });
}; // https://github.com/WeYouMe/weauth/blob/eaf8a02658b8deaef376ec90b81d0866e52582cc/app/utils/ChainValidation.js#L4


exports.accountNotExist = accountNotExist;

const validateAccountName = (rule, value, callback, intl) => {
  let i;
  let label;
  let len;
  let segment = '';

  if (!value) {
    return callback(intl.formatMessage({
      id: 'error_username_required'
    }));
  }

  const length = value.length;

  if (length < 3) {
    return callback(intl.formatMessage({
      id: 'error_validation_account_min'
    }));
  }

  if (length > 16) {
    return callback(intl.formatMessage({
      id: 'error_validation_account_max'
    }));
  }

  if (/\./.test(value)) {
    segment = '_segment';
  }

  const ref = value.split('.');

  for (i = 0, len = ref.length; i < len; i += 1) {
    label = ref[i];

    if (!/^[a-z]/.test(label)) {
      return callback(intl.formatMessage({
        id: `error_validation_account${segment}_start`
      }));
    }

    if (!/^[a-z0-9-]*$/.test(label)) {
      return callback(intl.formatMessage({
        id: `error_validation_account${segment}_alpha`
      }));
    }

    if (/--/.test(label)) {
      return callback(intl.formatMessage({
        id: `error_validation_account${segment}_dash`
      }));
    }

    if (!/[a-z0-9]$/.test(label)) {
      return callback(intl.formatMessage({
        id: `error_validation_account${segment}_end`
      }));
    }

    if (!(label.length >= 3)) {
      return callback(intl.formatMessage({
        id: `error_validation_account${segment}_min`
      }));
    }
  }

  return callback();
};

exports.validateAccountName = validateAccountName;