我可以使用最新的稳定TypeScript还是应该坚持使用AngularCLI随附的版本? [英] Can I use latest stable TypeScript or should I stick with the version shipped with AngularCLI?

问题描述

我找不到关于是否使用可用的最新稳定版本升级TypeScript版本的任何官方建议.

I wasn't able to find any official recommendation about whether or not upgrade the TypeScript version using the latest stable version available.

在创建新项目时，AngularCLI会在package.json中自动设置npm版本.当前是:

The npm version is automatically set in package.json by AngularCLI when creating a new project. It currently is:

"typescript": "~2.4.2"

表示最新的2.4.x版本.我想知道是否有可能使用最新的稳定TypeScript版本(及其含义)，例如2.5.x.

which means latest 2.4.x version. I was wondering if it would be possible to use the latest stable TypeScript version (and what would be the implications), for example 2.5.x.

是否存在设置~2.4.2而不是"^2.4.2(这意味着最新的2.x.x版本)的特定原因.

Is there a specific reason for setting ~2.4.2 and not "^2.4.2 (which means latest 2.x.x version).

推荐答案

Angular cli可能并不总是支持最新版本的TypeScript. 存在一些与PR有关的问题:
-支持TypeScript 2.4+
- Typescript 2.4支持
- feat(@ angular/cli):支持TypeScript 2.4

Angular cli may not always support the latest version of TypeScript. There is some issues and PR's related to that:
- Support TypeScript 2.4+
- Typescript 2.4 support
- feat(@angular/cli): support TypeScript 2.4

也请记住，最新的TypeScript版本可能与您的Angular版本不兼容.

Also bare in mind that the latest TypeScript version might not be compatible with your Angular version.

如果您想跳转到新的/最新的TypeScript版本，后果自负.一旦这样做，您必须确保它不会破坏测试(ng t)，产品构建(ng build --prod)等之类的东西.

If you want to jump to a new/latest TypeScript version - it is at your own risk. Once you do so you have to make sure that it is not breaks anything like tests(ng t), prod build(ng build --prod), etc.

如果您坚持使用默认的cli TypeScript版本，那么-安全.

If you stick to the default cli TypeScript version you - are safe.

更新2017年9月9日:对于那些关心使用cli和最新TypeScript进行结帐的用户，此注释，因为最新的cli 1.4中引入了TypeScript version warning logic. 这是什么基于(cli团队推荐):

UPDATE 09 Sept 2017: For anyone who care about using the cli with the latest TypeScript checkout this recent github issue and this particular comment as there was a TypeScript version warning logic introduced in the latest cli 1.4. Here is what it is based on(angular cli team recommendation):

 const versionCombos = [
      { compiler: '>=2.3.1 <3.0.0', typescript: '>=2.0.2 <2.3.0' },
      { compiler: '>=4.0.0 <5.0.0', typescript: '>=2.1.0 <2.4.0' },
      { compiler: '>=5.0.0 <6.0.0', typescript: '>=2.4.0 <2.6.0' }
    ];

这篇关于我可以使用最新的稳定TypeScript还是应该坚持使用AngularCLI随附的版本?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！