将角度从6.1更新为8.2

Question

从角度6更新为8时，我收到以下消息。

ng -v提供以下信息，

节点12.16.1角6.1.2打字稿3.6.4

我正在运行命令，ng update @ angular / cli @ 8 @ angular / core @ 8

packageGroup metadata of package @angular/cli is malformed. Ignoring.
packageGroup metadata of package @angular/cli is malformed.
packageGroup metadata of package @angular/cli is malformed. Ignoring.
packageGroup metadata of package @angular/cli is malformed. Ignoring.
packageGroup metadata of package @angular/cli is malformed.
packageGroup metadata of package @angular/cli is malformed. Ignoring.
packageGroup metadata of package @angular/cli is malformed. Ignoring.
.3.1 || >=4.0.0-beta <6.0.0" (extended), would install "8.2.14").
              Package "codelyzer" has an incompatible peer dependency to "@angular/core" (requires 
"^2.3.1 || >=4.0.0-beta <6.0.0" (extended), would install "8.2.14").
              Package "codelyzer" has an incompatible peer dependency to "@angular/platform-browser" 
(requires "^2.3.1 || >=4.0.0-beta <6.0.0" (extended), would install "8.2.14").
              Package "codelyzer" has an incompatible peer dependency to "@angular/common" (requires 
"^2.3.1 || >=4.0.0-beta <6.0.0" (extended), would install "8.2.14").
              Package "codelyzer" has an incompatible peer dependency to "@angular/platform-browser- 
dynamic" (requires "^2.3.1 || >=4.0.0-beta <6.0.0" (extended), would install "8.2.14").
              Package "@angular/compiler-cli" has an incompatible peer dependency to "typescript" 
(requires ">=3.4 <3.6", would install "3.6.4")

Answer 1

从Angular 6到Angular 9，我尝试：

@@ angular / cli @ 7 @ angular / core @ 7npm审核修复npm我@ angular / forms @ 9.1.9npm我@ angular / platform-b​​rowser @ 9.1.9npm我@ angular / platform-b​​rowser-dynamic @ 9.1.9npm我@ angular / core @ 9.1.9npm我@ angular / compiler @ 9.1.9npm i @ angular / common @ 9.1.9

@@ angular / cli @ angular / core