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Current File : /home/vacivi36/vittasync.vacivitta.com.br/vittasync/node/test/common/ongc.js

'use strict';

const common = require('../common');
const assert = require('assert');
const gcTrackerMap = new WeakMap();
const gcTrackerTag = 'NODE_TEST_COMMON_GC_TRACKER';

function onGC(obj, gcListener) {
  const async_hooks = require('async_hooks');

  const onGcAsyncHook = async_hooks.createHook({
    init: common.mustCallAtLeast(function(id, type) {
      if (this.trackedId === undefined) {
        assert.strictEqual(type, gcTrackerTag);
        this.trackedId = id;
      }
    }),
    destroy(id) {
      assert.notStrictEqual(this.trackedId, -1);
      if (id === this.trackedId) {
        this.gcListener.ongc();
        onGcAsyncHook.disable();
      }
    },
  }).enable();
  onGcAsyncHook.gcListener = gcListener;

  gcTrackerMap.set(obj, new async_hooks.AsyncResource(gcTrackerTag));
  obj = null;
}

module.exports = onGC;

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