deep-freeze-es6

deep freeze, works with Map and Set

Quick example

import { deepFreeze } from "deep-freeze-es6";

const obj = deepFreeze({
  map: new Map([
    [1, 1],
    [2, 2],
  ]),
});
obj.map.clear(); // Error: map is read-only

Changelog

All notable changes to this project will be documented in this file. See Conventional Commits for commit guidelines.

4.0.1 (2025-06-08)

Note: no notable changes

4.0.0 (2024-12-19)

⚠ BREAKING CHANGES

• drop node 18
• freeze contents of Maps and Sets (#172)

Features

• add support for weakmap et weakset (274fe7c)
• freeze contents of Maps and Sets (#172) (e59f83a)

Miscellaneous Chores

• update dev deps (422392b)

3.0.2 (2023-07-29)

Bug Fixes

• move declaration file to expected path (50f7e48)

3.0.1 (2023-07-29)

Bug Fixes

• configure types in exports (d82bf86)

3.0.0 (2023-06-27)

⚠ BREAKING CHANGES

• deps: requires node 18

Miscellaneous Chores

• deps: update dependency @pob/root to v8 (#67) (ab2160b)

2.0.0 (2022-11-22)

⚠ BREAKING CHANGES

• drop node < 16 support, drop cjs

Bug Fixes

• issue with prior PR undefined variable (#9) (afa9596)
• original deep-freeze also froze functions (#10) (e2cdb1e)

Miscellaneous Chores

• use yarn berry, add jest, update dev deps (9089b12)