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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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