rfdc

Really Fast Deep Clone

v1.4.1 URL: https://unpkg.com/rfdc@1.4.1/index.js

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object obj properties clone copy deep recursive key keys values prop deep-clone deepclone deep-copy deepcopy fast performance performant fastclone fastcopy fast-clone fast-deep-clone fast-copy fast-deep-copy

klona

A tiny (240B to 501B) and fast utility to "deep clone" Objects, Arrays, Dates, RegExps, and more!

v2.0.6 URL: https://unpkg.com/klona@2.0.6/dist/index.min.js

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clone copy deep extend recursive object

safe-clone-deep

Safely deep clone an object. Will not clone nested objects.

v1.1.5 URL: https://unpkg.com/safe-clone-deep@1.1.5/src/index.js

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javascript object clone copy deep safe recursive

mergician

Uniquely flexible and light-weight utility for cloning and deep (recursive) merging of JavaScript objects. Supports descriptor values, accessor functions, and custom prototypes. Provides advanced options for customizing the clone/merge process.

v2.0.2 URL: https://unpkg.com/mergician@2.0.2/dist/mergician.cjs

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deep merge assign clone copy extend object recursive immutable filter array append prepend dedup duplicates sort intersection union difference get getter set setter accessor descriptor javascript deepmerge deep-merge merge-deep