@beincom/node-profile/dist/profilers/heap-profiler.js

``` npm install @beincom/node-profile # yarn add @beincom/node-profile ```

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.HeapProfiler = void 0;
const common_1 = require("@nestjs/common");
const pprof_1 = require("@datadog/pprof");
class HeapProfiler {
    constructor() {
        this.labels = {};
        this.lastProfiledAt = new Date();
    }
    getLabels() {
        return this.labels;
    }
    profile() {
        common_1.Logger.log('profile');
        const profile = pprof_1.heap.profile();
        const lastProfileStartedAt = this.lastProfiledAt;
        this.lastProfiledAt = new Date();
        return {
            profile,
            startedAt: lastProfileStartedAt,
            stoppedAt: this.lastProfiledAt,
        };
    }
    setLabels(labels) {
        this.labels = labels;
    }
    start(args) {
        common_1.Logger.log('start');
        this.lastProfiledAt = new Date();
        pprof_1.heap.start(args.samplingIntervalBytes, args.stackDepth);
    }
    stop() {
        common_1.Logger.log('stop');
        pprof_1.heap.stop();
        return null;
    }
}
exports.HeapProfiler = HeapProfiler;
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