@polkadot/api-provider/mock/unsubscribe.js

Transport providers for the API

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = unsubscribe;

// Copyright 2017-2018 @polkadot/api-provider authors & contributors
// This software may be modified and distributed under the terms
// of the ISC license. See the LICENSE file for details.
async function unsubscribe(self, type, name, id) {
  const method = self.subscriptionMap[id];
  self.l.debug(() => ['unsubscribe', id, method]);

  if (!method) {
    throw new Error(`Unable to find subscription for ${id}`);
  }

  delete self.subscriptionMap[id];
  delete self.subscriptions[method].callbacks[id];
  return true;
}