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gc-listen

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gc-listen

Calls a function when V8 collects an object as garbage

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gc-listen

A way to attach a JavaScript function with napi_add_finalizer. For debugging.

const gcListen = require('gc-listen');

const obj = {};

const callback = () => {
    // …
};

gcListen(obj, callback);

callback won’t be called as long as obj isn’t eligible for garbage collection. N-API even suggests it will be called when obj is collected. It will always be called asynchronously when called at all.

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Package last updated on 30 Apr 2020

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