In this quick tutorial, we’ll see how to check the currently-installed Angular CLI version and update it to the latest Angular 9 globally.
Step 1 - Checking Angular CLI Version
In the first step, we’ll check for the current version of Angular CLI installed on our local development machine. Open a new command-line interface and run one of the following commands:
$ ng --version
$ ng v
$ npm list --global --depth 0
The ng --version command outputs the details of the installed Angular CLI version and the versions of the Angular packages:
Angular CLI: 8.3.19
Node: 10.16.3
OS: win32 ia32
Angular:
...
Package Version
------------------------------------------------------
@angular-devkit/architect 0.803.19
@angular-devkit/core 8.3.19
@angular-devkit/schematics 8.3.19
@schematics/angular 8.3.19
@schematics/update 0.803.19
rxjs 6.4.0
The npm list --global --depth 0 prints a list of all the packages installed on our machine at the top level. This is the output in my machine:
+-- @angular/[email protected]
+-- [email protected]
+-- [email protected]
+-- [email protected]
`-- [email protected]
The ng v command is equivalent to ng --version.
So we have @angular/cli v8.3.19 installed, now how we can update it to the latest Angular 9 .
Step 2 - Updating Angular CLI to Angular 9 Version
To update the Angular CLI to the latest version 9, first you need to update to the latest Angular 8:
$ npm install --no-save @angular/cli@^8.3.19
After that run the following command to update Angular CLI to Angular 9
$ ng update @angular/cli @angular/core --next
Since Angular 9 is in RC version, you’ll need to use the --next flag.
Step 3 - Updating Angular CLI Version Globally
To update Angular CLI version globally in your system use the following commands
$ npm uninstall -g angular-cli
$ npm cache verify
$ npm install -g @angular/cli@latest
You can also install a specific version using the following command:
$ npm install -g @angular/[email protected]
Here I’m installing Angular CLI v9.0.0-rc.2, the latest version as of this writing.
This is the output of ng v:
Angular CLI: 9.0.0-rc.2
Node: 10.16.3
OS: win32 ia32
Angular:
...
Package Version
------------------------------------------------------
@angular-devkit/architect 0.900.0-rc.2
@angular-devkit/core 9.0.0-rc.2
@angular-devkit/schematics 9.0.0-rc.2
@schematics/angular 9.0.0-rc.2
@schematics/update 0.900.0-rc.2
rxjs 6.5.3