模版字面量类型 在映射类型中更改映射的键 递归的有条件类型 索引访问类型检查（--noUncheckedIndexedAccess ） 不带 baseUrl 的 paths checkJs 默认启用 allowJs React 17 JSX 工厂 在编辑器中支持 JSDoc @see 标签 破坏性改动 lib.d.ts 更新 a...

Using TypeScript Using TypeScript In this chapter we will discuss: Overview of TypeScript in Deno Configuring TypeScript in Deno Types and Type Declarations Migrating to/f...

Using TypeScript Using TypeScript ℹ️ This section has been moved to Using TypeScript Chapter .

TypeScript 1.6 JSX support New .tsx file extension and as operator Using React Using other JSX framworks Output generation Intersection types Example Local type declarati...

TypeScript 1.8 Type parameters as constraints Example Control flow analysis errors Unreachable code Example Unused labels Example Implicit returns Example Case clause fal...

TypeScript 2.2 Support for Mix-in classes First some terminology Putting all of the above rules together in an example object type Support for new.target Example Better ch...

TypeScript 2.6 Strict function types Example Note Cache tagged template objects in modules Example Localized diagnostics on the command line Example Suppress errors in .ts ...

TypeScript 2.9 Support number and symbol named properties with keyof and mapped types Example Example Recommendations Generic type arguments in JSX elements Example Gener...

TypeScript 3.8 Type-Only Imports and Export ECMAScript Private Fields Which should I use? export * as ns Syntax Top-Level await es2020 for target and module JSDoc Prope...

TypeScript 2.9 keyof 现在包括 string 、number 和 symbol 键名 建议 剩余参数后面不允许尾后逗号 在 strictNullChecks 中，无类型约束参数不再分配给 object 参考 TypeScript 2.9 keyof 现在包括 string 、number 和 symbo...