TypeScript 4.2 版本迭代计划
Lasted 2020-12-03 19:39:25
Daniel Rosenwasser 在 GitHub 上发布了 TypeScript 4.2 版本的迭代计划，包括一些 4.2 版本的新特性和改进。
| 时间 | 计划 |
|---|---|
| 2020-11-19 | TypeScript 4.1 Release |
| 2021-01-04 | Create 4.2 Beta (4.2.0) Build for Testing |
| 2021-01-07 | TypeScript 4.2 Beta Release |
| 2021-02-05 | Create 4.2 RC (4.2.1) Build for Testing |
| 2021-02-09 | TypeScript 4.2 RC Release |
| 2021-02-19 | Create 4.2 Final (4.2.2) Build for Testing |
| 2021-02-23 | TypeScript 4.2 Final Release? |
已过期
TypeScript 4.2 版本预计于 2021-02-23 发布
新特性
- checkGeneralized index signatures
- checkLeading/middle rest elements in tuple types
- check--noImplicitOverride
- check--noPropertyAccessFromIndexSignature
- checkstatic Index Signatures
- checkInvestigate typeof class
- checkReview the project setup experience
- checkInvestigate faster compile-time iteration
编辑效率
- checkDeclare missing helper function
- checkEnable running TSServer in a worker thread
- checkAnticipated bug fixes and UX improvements for partial semantic mode
- checkInvestigate high-confidence "did you mean?" in JS
性能
- checkProfiling/Tracing Mode Improvements