@n1k1t/mock-server/lib/src/server/services/metrics.service.js

Powerful util to setup mocks over HTTP APIs

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.MetricsService = void 0;
const lodash_1 = __importDefault(require("lodash"));
const models_1 = require("../models");
const utils_1 = require("../../utils");
class MetricsService extends models_1.Service {
    constructor(server, options) {
        super(server);
        this.server = server;
        this.options = options;
        this.limit = this.options?.limit ?? 300;
        this.points = {
            containers: (0, utils_1.cast)([]),
            memory: (0, utils_1.cast)([]),
            cache: (0, utils_1.cast)([]),
            rate: (0, utils_1.cast)([]),
        };
    }
    register(name, values) {
        if (!this.points[name]) {
            throw new Error('Invalid metric name');
        }
        const group = this.points[name];
        const point = { timestamp: Date.now(), values };
        group.push(point);
        group.splice(0, lodash_1.default.clamp(group.length - this.limit, 0, Infinity));
        this.server.exchanges.io.publish('metric:registered', { name, point });
        return this;
    }
    static build(server, options) {
        return new MetricsService(server, options);
    }
}
exports.MetricsService = MetricsService;
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