🔎 Search Terms

5.5.0-beta

🕗 Version & Regression Information

• This changed between versions 5.4 and 5.5

⏯ Playground Link

https://github.com/Jack-Works/reproduce

💻 Code

Clone the repo

git clone https://github.com/Jack-Works/reproduce/ --filter=blob:none
cd reproduce/typescript-5.5-dts
pnpm install

pnpm run old
pnpm run new

🙁 Actual behavior

Global augmentation no longer works in 5.5.0-beta across different projects. (pnpm run new)

🙂 Expected behavior

Global augmentation works in 5.4 across different projects. (pnpm run old)

Additional information about the issue

Global augmentation across different projects is an important ability. Here are some examples:

• You have a components project that augments the global JSX type, and you access those elements from another project
• Theming a UI library