to-fast-properties
Advanced tools
Package description
The `to-fast-properties` npm package is designed to optimize objects for faster property access. This is particularly useful in scenarios where an object is frequently accessed and performance is critical. It forces V8 (the JavaScript engine behind Node.js and Google Chrome) to store the object in a 'fast properties' mode, which can significantly speed up property access on that object.
Optimizing object property access
This feature allows you to optimize an object for faster property access by converting it to use fast properties. The code sample demonstrates how to apply `to-fast-properties` to an object to enhance its property access speed.
"use strict";\nconst toFastProperties = require('to-fast-properties');\n\nconst obj = { a: 1, b: 2 };\ntoFastProperties(obj);\n\n// Now `obj` is optimized for faster property access"The `v8-compile-cache` package caches V8 compilation of scripts to improve load time performance of Node.js applications. While it focuses on caching compiled scripts rather than optimizing object properties, it shares the goal of improving performance in V8 environments.
The `nan` package provides a collection of utilities for making native add-ons for Node.js that are compatible across versions of V8. Although its primary focus is on aiding the development of native add-ons rather than optimizing JavaScript objects, it operates in the realm of enhancing performance and compatibility within V8, similar to `to-fast-properties`.
Readme
Force V8 to use fast properties for an object
Use %HasFastProperties(object) and --allow-natives-syntax to check whether an object already has fast properties.
$ npm install to-fast-properties
import toFastProperties from 'to-fast-properties';
const object = {
foo: true,
bar: true
};
delete object.foo;
// `object` now has slow properties
toFastProperties(object);
// `object` now has fast properties
FAQs
Force V8 to use fast properties for an object
The npm package to-fast-properties receives a total of 23,235,653 weekly downloads. As such, to-fast-properties popularity was classified as popular.
We found that to-fast-properties demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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