Records & Tuples for React
· Une minute de lecture
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Records & Tuples, a very interesting proposal, has just reached stage 2 at TC39.
They bring deeply immutable data structures to JavaScript.
But don't overlook their equality properties, that are VERY interesting for React.
A whole category of React bugs are related to unstable object identities:
- Performance: re-renders that could be avoided
- Behavior: useless effect re-executions, infinite loops
- API surface: unability to express when a stable object identity matters
I will explain the basics of Records & Tuples, and how they can solve real world React issues.
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