2025-04-19 15:38:48 +08:00

62 lines
2.0 KiB
JavaScript

/*
This file is part of web3.js.
web3.js is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
web3.js is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with web3.js. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file index.js
* @author Fabian Vogelsteller <fabian@ethereum.org>
* @date 2017
*/
"use strict";
var Subscription = require('./subscription.js');
var Subscriptions = function Subscriptions(options) {
this.name = options.name;
this.type = options.type;
this.subscriptions = options.subscriptions || {};
this.requestManager = null;
};
Subscriptions.prototype.setRequestManager = function (rm) {
this.requestManager = rm;
};
Subscriptions.prototype.attachToObject = function (obj) {
var func = this.buildCall();
var name = this.name.split('.');
if (name.length > 1) {
obj[name[0]] = obj[name[0]] || {};
obj[name[0]][name[1]] = func;
}
else {
obj[name[0]] = func;
}
};
Subscriptions.prototype.buildCall = function () {
var _this = this;
return function () {
if (!_this.subscriptions[arguments[0]]) {
console.warn('Subscription ' + JSON.stringify(arguments[0]) + ' doesn\'t exist. Subscribing anyway.');
}
var subscription = new Subscription({
subscription: _this.subscriptions[arguments[0]] || {},
requestManager: _this.requestManager,
type: _this.type
});
return subscription.subscribe.apply(subscription, arguments);
};
};
module.exports = {
subscriptions: Subscriptions,
subscription: Subscription
};