Microsoft releases TypeScript 4.1 RC with new checking flags, editor productivity updates and more
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Microsoft yesterday announced the release of TypeScript 4.1 Release Candidate (RC). The TypeScript 4.1 release comes with new checking flags, editor productivity updates, speed improvements and more. Find the full list of new improvements below.
- Template Literal Types
- Key Remapping in Mapped Types
- Recursive Conditional Types
--noUncheckedIndexedAccess
paths
withoutbaseUrl
checkJs
ImpliesallowJs
- React 17 JSX Factories
- Editor Support for the JSDoc
@see
Tag - Breaking Changes
You can download TypeScript 4.1 using “npm install typescript@rc” command.
Source: Typescript