Focusing on optimization, surpassing immer, limu finally reaches the top of immutable data performance

• concent

  7 1,288 9.7 TypeScript

  A reactive atomic state engine for React like.

  

helux based on limu will be announced soon, hoping to redefine the react development paradigm and comprehensively improve react applications DX&UX (development experience, user experience), welcome to pay attention and understand in advance.

• limu

  8 201 8.2 JavaScript

  High performance immutable lib alternative to immer with the same api, based on shallow copy on read and mark modified on write mechanism.

  

limu is designed for modern browsers. It only considers the operating environment that supports Proxy and uses the mechanism of shallow copy on read and mark update on write. This allows users to operate variable data like original data. During the operation, only proxy objects are generated for the read nodes and returned to the user. After reading, the parent and child nodes are directly connected with shallow clone nodes. The proxy object is hidden in the meta data of the node. , after the operation is completed, a new data with structural sharing characteristics is generated, and the meta data generated during the reading process is removed.

• SurveyJS

  surveyjs.io sponsored

  Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

  

• structura.js

  4 394 7.6 TypeScript

  A very fast and lightweight Typescript library to create immutable states with a mutable syntax

Before 3.12, although the performance of limu was several times better than immer, it was far away from structura and mutative These new immutable data operation libraries still have many gaps, so they can only be debugged friendly and several times faster than immer as a promotional point. If you want to pursue the ultimate speed, it is recommended by default. mutative.

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