Angular CLI - ng update Command


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This chapter explains the syntax, argument and options of ng update command along with an example.

Syntax

The syntax for ng update command is as follows −

ng update [options]

ng update command updates the application and its dependencies.

Arguments

The argument for ng update command is as follows −

Sr.No. Argument & Syntax Description
1 <keyword> The keyword to search for, as provided in the search bar in angular.io.

Options

Options are optional parameters.

Sr.No. Option & Syntax Description
1 --all=true|false Whether to update all packages in package.json.

Default: false

2 --allowDirty=true|false Whether to allow updating when the repository contains modified or untracked files.
3 --createCommits=true|false

Create source control commits for updates and migrations.

Default: false

Aliases: -C

4 --force=true|false

If false, will error out if installed packages are incompatible with the update.

Default: false

5 --from=from Version from which to migrate from. Only available with a single package being updated, and only on migration only.
6 --help=true|false|json|JSON

Shows a help message for this command in the console.

Default: false

7 --migrateOnly=true|false Only perform a migration, does not update the installed version.
8 --next=true|false

Use the largest version, including beta and RCs.

Default: false

9 --packages The names of package(s) to update.
10 --to=to Version up to which to apply migrations. Only available with a single package being updated, and only on migrations only. Requires from to be specified. Default to the installed version detected.
11 --verbose=true|false

Display additional details about internal operations during execution.

Default: false

First move to an angular project updated using ng build command.The chapter is available at https://www.tutorialspoint.com/angular_cli/angular_cli_ng_build.htm.

Now run the update command. Now ng will update dependencies using npm.

Example

An example for ng update command is given below −

\>Node\>TutorialsPoint> ng update
Using package manager: 'npm'
Collecting installed dependencies...
Found 31 dependencies.
   We analyzed your package.json and everything seems to be in order. Good work!
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