React-tRace: A Semantics for Understanding React Hooks: An Operational Semantics and a Visualizer for Clarifying React Hooks

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, leadin...

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Vydané v:Proceedings of ACM on programming languages Ročník 9; číslo OOPSLA2; s. 471 - 498
Hlavní autori: Lee, Jay, Ahn, Joongwon, Yi, Kwangkeun
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: New York, NY, USA ACM 09.10.2025
Predmet:
Formal language definitions
Functional languages
Graphical user interface languages
Human-centered computing
Interpreters
Operational semantics
Software and its engineering
Theory of computation
Visualization systems and tools
Hooks
Functional reactive programming
Render semantics
React
ISSN:2475-1421, 2475-1421
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Shrnutí: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.
ISSN:2475-1421
2475-1421
DOI:10.1145/3763067