var createWalletEvents = () => ({
  events: {},
  emit(event, ...args) {
    for (let i of this.events[event] || []) {
      i(...args);
    }
  },
  on(event, cb) {
    (this.events[event] = this.events[event] || []).push(cb);
    return () =>
      (this.events[event] = this.events[event].filter((i) => i !== cb));
  },
  once(event, cb) {
    var callback = (...args) => {
      this.events[event] = this.events[event].filter((i) => i !== callback);
      cb(...args);
    };
    (this.events[event] = this.events[event] || []).push(callback);
  },
  listen(event, cb) {
    (this.events[event] = this.events[event] || []).push(cb);
    return () =>
      (this.events[event] = this.events[event].filter((i) => i !== cb));
  },
  remove(event, cb) {
    this.events[event] = this.events[event].filter((i) => i !== cb);
  },
});

export { createWalletEvents };

export const WALLET_CHAIN_CHANGE = "wallet_chain_change";

export const WALLET_ACCOUNT_CHANGE = "wallet_account_change";

export const WALLET_TOKEN_TYPE_CHANGE = "wallet_token_type_change";