TypeScript
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TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
The following errors were reported by 5.9.0-dev.20250309, but not by 5.8.2 [Pipeline that generated this bug](https://typescript.visualstudio.com/TypeScript/_build?definitionId=48) [Logs for the pipeline run](https://typescript.visualstudio.com/TypeScript/_build/results?buildId=164911) [File that generated the pipeline](https://github.com/microsoft/typescript-error-deltas/blob/main/azure-pipelines-gitTests.yml) This run considered 800...
We need to look up the type of a jsx expression by actually resolving the jsx factory call, so that we don't create a reference to the global `JSX.Element` type,...
fixes https://github.com/microsoft/TypeScript/issues/61382
# Bug Report ### 🔎 Search Terms - HTML Element Interfaces - Element tagName - Element Interfaces - Incorrect element types accepted ### 🕗 Version & Regression Information - This...
fixes https://github.com/microsoft/TypeScript/issues/61366
Add initial type for prototype Fixes #60608
### Acknowledgement - [X] I acknowledge that issues using this template may be closed without further explanation at the maintainer's discretion. ### Comment #13219 is locked so that the conclusion...
There is a lot of interest and discussion in #38040 and #56010 when it comes to showing/hiding details of a quick info request. In https://github.com/microsoft/vscode/issues/195394, we have a proposed client/editor...
### 🔍 Search Terms enum, object literal, type-stripping ### ✅ Viability Checklist - [x] This wouldn't be a breaking change in existing TypeScript/JavaScript code - [x] This wouldn't change the...
### 🔎 Search Terms TS2454 ### 🕗 Version & Regression Information - This changed between versions 5.6.3 and 5.7.3 - This changed in commit or PR 533ed3d665c4bb0ecb08dd2eae95fe0aa2e1c973 ### ⏯ Playground...
