jsonrpc-websocket-client/dist/index.js

JSON-RPC 2 over WebSocket

"use strict";

exports.__esModule = true;
exports.createBackoff = exports.JsonRpcWebSocketClient = void 0;

var _jsonRpcPeer = _interopRequireWildcard(require("json-rpc-peer"));

var _iterableBackoff = require("iterable-backoff");

var _parseUrl = _interopRequireDefault(require("./parse-url"));

var _websocketClient = _interopRequireWildcard(require("./websocket-client"));

exports.ConnectionError = _websocketClient.ConnectionError;
exports.AbortedConnection = _websocketClient.AbortedConnection;
exports.CLOSED = _websocketClient.CLOSED;
exports.CONNECTING = _websocketClient.CONNECTING;
exports.OPEN = _websocketClient.OPEN;

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

function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }

function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

const createBackoff = function (tries) {
  if (tries === void 0) {
    tries = 10;
  }

  return (0, _iterableBackoff.fibonacci)().addNoise().toMs().take(tries);
};

exports.createBackoff = createBackoff;

class JsonRpcWebSocketClient extends _websocketClient.default {
  constructor(opts) {
    {
      let url, protocols;

      if (!opts) {
        opts = {};
      } else if (typeof opts === "string") {
        url = opts;
        opts = {};
      } else {
        ({
          url,
          protocols = [],
          ...opts
        } = opts);
      }

      super((0, _parseUrl.default)(url), protocols, opts);
    }
    const peer = this._peer = new _jsonRpcPeer.default(message => {
      if (message.type !== "notification") {
        throw new _jsonRpcPeer.MethodNotFound();
      }

      this.emit("notification", message);
    }).on("data", message => {
      this.send(message);
    });
    this.on(_websocketClient.CLOSED, () => {
      peer.failPendingRequests(new _websocketClient.ConnectionError("connection has been closed"));
    });
    this.on(_websocketClient.MESSAGE, message => {
      peer.write(message);
    });
  }

  call(method, params) {
    return this._peer.request(method, params);
  }

  notify(method, params) {
    return this._peer.notify(method, params);
  }

}

exports.JsonRpcWebSocketClient = JsonRpcWebSocketClient;
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