Question

我在项目中使用Angular 8，并希望升级到Angular 9。

我遵循upgrade guide并在运行命令时： ng update @angular/core @angular/cli，

我收到一条错误消息：

An unhandled exception occurred: 403 Forbidden - GET https://registry.npmjs.org/@angular%2fcli

更新：403错误消失了，但是现在我收到以下错误：

Package "@angular/core" has a missing peer dependency of "tslib" @ "^1.10.0".
Package "codelyzer" has an incompatible peer dependency to "@angular/core" (requires ">=2.3.1 <8.0.0 || >7.0.0-beta <8.0.0" (extended), would install "9.0.1").
Package "@angular/compiler-cli" has a missing peer dependency of "tslib" @ "^1.10.0".
Package "@angular/animations" has a missing peer dependency of "tslib" @ "^1.10.0".
Package "@angular/forms" has a missing peer dependency of "tslib" @ "^1.10.0".
Package "@angular/common" has a missing peer dependency of "tslib" @ "^1.10.0".
Package "@angular/platform-server" has a missing peer dependency of "tslib" @ "^1.10.0".
Package "@angular/compiler" has a missing peer dependency of "tslib" @ "^1.10.0".
Package "codelyzer" has an incompatible peer dependency to "@angular/compiler" (requires ">=2.3.1 <8.0.0 || >7.0.0-beta <8.0.0" (extended), would install "9.0.1").
Package "@angular/service-worker" has a missing peer dependency of "tslib" @ "^1.10.0".
Package "@angular/router" has a missing peer dependency of "tslib" @ "^1.10.0".
Package "@angular/platform-browser-dynamic" has a missing peer dependency of "tslib" @ "^1.10.0".
Package "@angular/platform-browser" has a missing peer dependency of "tslib" @ "^1.10.0".
Package "@angular/http" has an incompatible peer dependency to "@angular/platform-browser" (requires "7.0.4" (extended), would install "9.0.1").

已解决： 我已经将tslib添加到package.json

Answer 1

更新到angular9之后，我面临着同样的问题。首先，我完全更新了angular8，然后更新为angular9。

ng update @angular/cli@8 @angular/core@8

第二，我更新以下命令。

ng update @angular/cli@9 @angular/core@9

请点击链接： How to Update till Angular9

Answer 2

遇到过同样的问题。

可以使用以下方法成功从Angular 7更新到8：

ng update @angular/cli@8 @angular/core@8

但是，尝试使用以下方法从Angular 8更新到9：

ng update @angular/cli@9 @angular/core@9

给我这个错误：

Package "@angular/compiler-cli" has a missing peer dependency of "tslib" @ "^1.10.0".
Package "@angular/animations" has a missing peer dependency of "tslib" @ "^1.10.0".
Package "@angular/common" has a missing peer dependency of "tslib" @ "^1.10.0".
Package "@angular/compiler" has a missing peer dependency of "tslib" @ "^1.10.0".
Package "@angular/core" has a missing peer dependency of "tslib" @ "^1.10.0".
Package "@angular/forms" has a missing peer dependency of "tslib" @ "^1.10.0".
Package "@angular/platform-browser" has a missing peer dependency of "tslib" @ "^1.10.0".
Package "@angular/platform-server" has a missing peer dependency of "tslib" @ "^1.10.0".
Package "@angular/router" has a missing peer dependency of "tslib" @ "^1.10.0".
Package "@angular/service-worker" has a missing peer dependency of "tslib" @ "^1.10.0".

我通过在tslib的{{1}}中添加建议的devDependencies版本来解决了这个问题：

package.json

更新到Angular 9失败

2 个答案: