53 lines
1.3 KiB
JavaScript
53 lines
1.3 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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0 && (module.exports = {
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getGcEvents: null,
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startObservingGc: null,
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stopObservingGc: null
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});
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function _export(target, all) {
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for(var name in all)Object.defineProperty(target, name, {
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enumerable: true,
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get: all[name]
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});
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}
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_export(exports, {
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getGcEvents: function() {
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return getGcEvents;
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},
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startObservingGc: function() {
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return startObservingGc;
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},
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stopObservingGc: function() {
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return stopObservingGc;
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}
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});
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const _perf_hooks = require("perf_hooks");
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const _log = require("../../build/output/log");
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const _picocolors = require("../picocolors");
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const LONG_RUNNING_GC_THRESHOLD_MS = 15;
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const gcEvents = [];
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const obs = new _perf_hooks.PerformanceObserver((list)=>{
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const entry = list.getEntries()[0];
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gcEvents.push(entry);
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if (entry.duration > LONG_RUNNING_GC_THRESHOLD_MS) {
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(0, _log.warn)((0, _picocolors.bold)(`Long running GC detected: ${entry.duration.toFixed(2)}ms`));
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}
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});
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function startObservingGc() {
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obs.observe({
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entryTypes: [
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"gc"
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]
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});
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}
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function stopObservingGc() {
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obs.disconnect();
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}
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function getGcEvents() {
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return gcEvents;
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}
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//# sourceMappingURL=gc-observer.js.map
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