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[Compiler Bug]: React compiler discards computed property keys when used in method shorthand

Open sadan4 opened this issue 1 month ago • 1 comments

What kind of issue is this?

  • [x] React Compiler core (the JS output is incorrect, or your app works incorrectly after optimization)
  • [ ] babel-plugin-react-compiler (build issue installing or using the Babel plugin)
  • [ ] eslint-plugin-react-hooks (build issue installing or using the eslint plugin)
  • [ ] react-compiler-healthcheck (build issue installing or using the healthcheck script)

Link to repro

https://playground.react.dev/#N4Igzg9grgTgxgUxALhHCA7MAXABOgWwAcpsEATABRgiIGkEBPXAXlwB0QAzCCAIwCGMTgG52GLlAxxsAS0y4AYrwAUASlzBxuHbhgJssDLgA85WQDcAfNt12TAISG5+AKxbBguANqESZKhp6JgBddU1cAF8o6IB6G2NdE1jza3FIkAAaNEwuWQBzFBBZYggYPGxGIgQIygAbKHzZDAB5IjlMMCjcLhoCXAByQT4EOoBaIgamjDH9ARkxv1k6hBgU2RwBsQxxFS1E2NiluoEOjABZCHIEZA4QATq6znTcMFONvIQu+sbmtrOwGoRFlwAALCAAdwAkhgyDAMA8wCguIiEJEgA

Repro steps

See the playground link for the full example.

pass an object with a computed key to a react component eg:

<Bar obj={{ [computedPropKey]() { } }} />

observe the compiler generates incorrect code

<Bar obj={{ computedPropKey() {} }} />

How often does this bug happen?

Every time

What version of React are you using?

latest on the compiler playground

What version of React Compiler are you using?

latest on the compiler playground

sadan4 avatar Nov 24 '25 21:11 sadan4

I will try to open a PR for this issue

lluisemper avatar Nov 29 '25 20:11 lluisemper