nx/docs/angular/nx-commands/affected-build.md
2020-02-25 16:38:43 -05:00

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# affected:build
Build applications and publishable libraries affected by changes
## Usage
```bash
nx affected:build
```
Install `@nrwl/cli` globally to invoke the command directly using `nx`, or use `npm run nx` or `yarn nx`.
### Examples
Run build in parallel:
```bash
nx affected:build --parallel --maxParallel=5
```
Rerun the build target only for the projects that failed last time:
```bash
nx affected:build --only-failed
```
Run the build target for all projects:
```bash
nx affected:build --all
```
Run the build target for the affected projects and also all the projects the affected projects depend on.:
```bash
nx affected:build --with-deps
```
Run build for all the projects affected by changing the index.ts file:
```bash
nx affected:build --files=libs/mylib/src/index.ts
```
Run build for all the projects affected by the changes between master and HEAD (e.g., PR):
```bash
nx affected:build --base=master --head=HEAD
```
Run build for all the projects affected by the last commit on master:
```bash
nx affected:build --base=master~1 --head=master
```
Run build for all the projects affected by the last commit on master and their dependencies:
```bash
nx affected:build --base=master~1 --head=master --with-deps
```
## Options
### all
All projects
### base
Base of the current branch (usually master)
### configuration
This is the configuration to use when performing tasks on projects
### exclude
Default: ``
Exclude certain projects from being processed
### files
Change the way Nx is calculating the affected command by providing directly changed files, list of files delimited by commas
### head
Latest commit of the current branch (usually HEAD)
### help
Show help
### maxParallel
Default: `3`
Max number of parallel processes
### only-failed
Default: `false`
Isolate projects which previously failed
### parallel
Default: `false`
Parallelize the command
### plain
Produces a plain output for affected:apps and affected:libs
### runner
This is the name of the tasks runner configured in nx.json
### skip-nx-cache
Default: `false`
Rerun the tasks even when the results are available in the cache
### uncommitted
Uncommitted changes
### untracked
Untracked changes
### verbose
Print additional error stack trace on failure
### version
Show version number