vue-use-query/esm/core/onlineManager.js

vue use query

var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        if (typeof b !== "function" && b !== null)
            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
import { Subscribable } from './subscribable';
import { isServer } from './utils';
/**
 * 判断网络情况
 */
var OnlineManager = /** @class */ (function (_super) {
    __extends(OnlineManager, _super);
    function OnlineManager() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    OnlineManager.prototype.onSubscribe = function () {
        if (!this.removeEventListener) {
            this.setDefaultEventListener();
        }
    };
    OnlineManager.prototype.setEventListener = function (setup) {
        var _this = this;
        if (this.removeEventListener) {
            this.removeEventListener();
        }
        this.removeEventListener = setup(function (online) {
            if (typeof online === 'boolean') {
                _this.setOnline(online);
            }
            else {
                _this.onOnline();
            }
        });
    };
    OnlineManager.prototype.setOnline = function (online) {
        this.online = online;
        if (online) {
            this.onOnline();
        }
    };
    OnlineManager.prototype.onOnline = function () {
        this.listeners.forEach(function (listener) {
            listener();
        });
    };
    OnlineManager.prototype.isOnline = function () {
        if (typeof this.online === 'boolean') {
            return this.online;
        }
        if (typeof navigator === 'undefined' ||
            typeof navigator.onLine === 'undefined') {
            return true;
        }
        return navigator.onLine;
    };
    OnlineManager.prototype.setDefaultEventListener = function () {
        if (!isServer && (window === null || window === void 0 ? void 0 : window.addEventListener)) {
            this.setEventListener(function (onOnline) {
                var listener = function () { return onOnline(); };
                // Listen to online
                window.addEventListener('online', listener, false);
                window.addEventListener('offline', listener, false);
                return function () {
                    // Be sure to unsubscribe if a new handler is set
                    window.removeEventListener('online', listener);
                    window.removeEventListener('offline', listener);
                };
            });
        }
    };
    return OnlineManager;
}(Subscribable));
export var onlineManager = new OnlineManager();