@colony/purser-metamask/es/validators.js

A javascript library to interact with a Metamask based Ethereum wallet

import _typeof from "@babel/runtime/helpers/esm/typeof";
import { validators as messages } from './messages';
/**
 * Validate Metamask's internal state object.
 * Basically, it checks for important props to be there.
 *
 * @method validateMetamaskState
 *
 * @param {Object} stateObject State object who's props to check
 *
 * @return {boolean} Throws if object is not valid. If it's all good, it returns true.
 */

export var validateMetamaskState = function validateMetamaskState(stateObject) {
  if (!stateObject || _typeof(stateObject) !== 'object') {
    throw new Error(messages.noState);
  }

  if (!stateObject.selectedAddress) {
    throw new Error(messages.noStateAddress);
  }

  if (!stateObject.networkVersion) {
    throw new Error(messages.noStateNetwork);
  }

  return true;
};
var metamaskValidators = {
  validateMetamaskState: validateMetamaskState
};
export default metamaskValidators;