@jokio/graphql/dist/modules/core.js

High level, pre-configured, GraphQL Server

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __generator = (this && this.__generator) || function (thisArg, body) {
    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
    function verb(n) { return function (v) { return step([n, v]); }; }
    function step(op) {
        if (f) throw new TypeError("Generator is already executing.");
        while (_) try {
            if (f = 1, y && (t = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"]) && !(t = t.call(y, op[1])).done) return t;
            if (y = 0, t) op = [0, t.value];
            switch (op[0]) {
                case 0: case 1: t = op; break;
                case 4: _.label++; return { value: op[1], done: false };
                case 5: _.label++; y = op[1]; op = [0]; continue;
                case 7: op = _.ops.pop(); _.trys.pop(); continue;
                default:
                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
                    if (t[2]) _.ops.pop();
                    _.trys.pop(); continue;
            }
            op = body.call(thisArg, _);
        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
    }
};
var _this = this;
Object.defineProperty(exports, "__esModule", { value: true });
var timers_1 = require("timers");
exports.SYSTEM_INFO_EVENT = 'SystemInfoEvent';
exports.typeDefs = "\ntype Query {\n\tserverInfo: ServerInfo\n}\n\ntype Mutation {\n\tstartRealtimeServerInfo(interval: Int): Boolean\n\tstopRealtimeServerInfo: Boolean\n}\n\ntype Subscription {\n\tserverInfo: ServerInfo\n}\n\ntype ServerInfo {\n\tprocessId: Int\n\tstartTime: DateTime\n\tupTime: ServerUpTime\n\tcpu: Float\n\trssInMB: Float\n\theapUsedInMB: Float\n\theapTotalInMB: Float\n}\n\ntype ServerUpTime {\n\tinSec: Float\n\tinMin: Float\n\tinHour: Float\n\tinDay: Float\n}\n";
var startTime = Date.now();
var realtimeServerInfoHandler = null;
exports.resolvers = {
    Query: {
        serverInfo: function () { return __awaiter(_this, void 0, void 0, function () { return __generator(this, function (_a) {
            switch (_a.label) {
                case 0: return [4 /*yield*/, getServerInfo()];
                case 1: return [2 /*return*/, _a.sent()];
            }
        }); }); }
    },
    Mutation: {
        startRealtimeServerInfo: function (obj, _a, _b) {
            var _c = _a.interval, interval = _c === void 0 ? 1000 : _c;
            var pubsub = _b.pubsub;
            timers_1.clearInterval(realtimeServerInfoHandler);
            realtimeServerInfoHandler = setInterval(function () { return __awaiter(_this, void 0, void 0, function () {
                var _a, _b, _c, _d;
                return __generator(this, function (_e) {
                    switch (_e.label) {
                        case 0:
                            _b = (_a = pubsub).publish;
                            _c = [exports.SYSTEM_INFO_EVENT];
                            _d = {};
                            return [4 /*yield*/, getServerInfo()];
                        case 1: return [2 /*return*/, _b.apply(_a, _c.concat([(_d.serverInfo = _e.sent(),
                                    _d)]))];
                    }
                });
            }); }, interval);
            return true;
        },
        stopRealtimeServerInfo: function () { return timers_1.clearInterval(realtimeServerInfoHandler); },
    },
    Subscription: {
        serverInfo: {
            subscribe: function (obj, props, _a) {
                var pubsub = _a.pubsub, token = _a.token;
                return pubsub.asyncIterator(exports.SYSTEM_INFO_EVENT);
            }
        }
    }
};
exports.default = {
    typeDefs: exports.typeDefs,
    resolvers: exports.resolvers
};
function getServerInfo() {
    return new Promise(function (resolve, error) {
        var memoryInfo = process.memoryUsage();
        var cpu = process.cpuUsage();
        var mb = 1024 * 1024;
        var systemInfo = {
            processId: process.pid,
            cpu: cpu.system / (1000 * 1000),
            rssInMB: memoryInfo.rss / mb,
            heapUsedInMB: memoryInfo.heapUsed / mb,
            heapTotalInMB: memoryInfo.heapTotal / mb,
            startTime: new Date(startTime),
            upTime: {
                inSec: (Date.now() - startTime) / (1000),
                inMin: (Date.now() - startTime) / (1000 * 60),
                inHour: (Date.now() - startTime) / (1000 * 60 * 60),
                inDay: (Date.now() - startTime) / (1000 * 60 * 60 * 24),
            }
        };
        resolve(systemInfo);
    });
}