React-tRace: A Semantics for Understanding React Hooks

• URL: http://arxiv.org/abs/2507.05234v2
• Date: Thu, 21 Aug 2025 14:24:35 GMT
• Title: React-tRace: A Semantics for Understanding React Hooks
• Authors: Jay Lee, Joongwon Ahn, Kwangkeun Yi,
• Abstract summary: We introduce React-tRace, a formalization of the semantics of the essence of React Hooks.<n>We demonstrate that our model captures the behavior of React, by theoretically showing that it embodies essential properties of Hooks.<n>We also showcase a practical visualization tool based on the formalization to demonstrate how developers can better understand the semantics of Hooks.
• Score: 0.7705234721762716
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: React has become the most widely used web front-end framework, enabling the creation of user interfaces in a declarative and compositional manner. Hooks are a set of APIs that manage side effects in function components in React. However, their semantics are often seen as opaque to developers, leading to UI bugs. We introduce React-tRace, a formalization of the semantics of the essence of React Hooks, providing a semantics that clarifies their behavior. We demonstrate that our model captures the behavior of React, by theoretically showing that it embodies essential properties of Hooks and empirically comparing our React-tRace-definitional interpreter against a test suite. Furthermore, we showcase a practical visualization tool based on the formalization to demonstrate how developers can better understand the semantics of Hooks.

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