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Implements a recursive "deep freeze" using Object.freeze. Default behavior is to throw on cyclical children, but can also be set to ignore.

Install

npm i @franzzemen/deep-freeze

This package is published for an ECMAScript module loader. For CommonJS see below.

import {deepFreeze} from '@franzzemen/deep-freeze';
const object = {};
deepFreeze(object);

import('@franzzemen/deep-freeze')
    .then(package => {
        const object = {};
        package.deepFreeze(object);
    }