299 lines
5.5 KiB
Markdown
299 lines
5.5 KiB
Markdown
---
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title: 'build - CLI command'
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description: 'Compiles an application into an output directory named dist/ at the given output path. Must be executed from within a workspace directory.'
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---
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# build
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Compiles an application into an output directory named dist/ at the given output path. Must be executed from within a workspace directory.
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## Usage
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The `build` command is a built-in alias to the [run command](/{{framework}}/cli/run).
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These two commands are equivalent:
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```bash
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nx build <project> [options]
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```
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```bash
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nx run <project>:build [options]
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```
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[Install `nx` globally]({{framework}}/getting-started/nx-setup#install-nx) to invoke the command directly using `nx`, or use `npx nx`, `yarn nx`, or `pnpx nx`.
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### Examples
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Compile a `production` build of the `myapp` project:
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```bash
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nx build myapp --prod
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```
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## Options
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The options below are common to the `build` command used within an Nx workspace. The Web and Angular-specific build options are listed after these options.
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### baseHref
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Default: `/`
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Base url for the application being built.
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### commonChunk
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Use a separate bundle containing code used across multiple bundles.
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Default: `true`
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### budgets
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Budget thresholds to ensure parts of your application stay within boundaries which you set.
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### namedChunks
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Default: `true`
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Names the produced bundles according to their entry file
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### deployUrl
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URL where the application will be deployed.
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### es2015Polyfills
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Conditional polyfills loaded in browsers which do not support ES2015.
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### extractCss
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Extract css into a .css file
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### extractLicenses
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Extract all licenses in a separate file, in the case of production builds only.
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### index
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HTML File which will be contain the application
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### main
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The name of the main entry-point file.
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### tsConfig
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The name of the Typescript configuration file.
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### outputPath
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The output path of the generated files.
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### progress
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Log progress to the console while building.
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### optimization
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Enables optimization of the build output.
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### outputHashing
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Default: `none`
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Define the output filename cache-busting hashing mode.
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### scripts
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External Scripts which will be included before the main application entry.
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### showCircularDependencies
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Default: `true`
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Show circular dependency warnings on builds.
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### sourceMap
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Default: `true`
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Output sourcemaps.
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### statsJson
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Generates a 'stats.json' file which can be analyzed using tools such as: 'webpack-bundle-analyzer' or <https://webpack.github.io/analyse>.
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### styles
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External Styles which will be included with the application
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### subresourceIntegrity
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Enables the use of subresource integrity validation.
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### vendorChunk
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Default: `true`
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Use a separate bundle containing only vendor libraries.
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### verbose
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Emits verbose output
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### watch
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Enable re-building when files change.
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### help
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Show help information
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### version
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Show version number
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## Web-Build Options
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### assets
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List of static application assets.
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### fileReplacements
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Replace files with other files in the build.
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### maxWorkers
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Number of workers to use for type checking.
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Default: `# of CPUS - 2`
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### memoryLimit
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Memory limit for type checking service process in MB.
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Default: `2048`
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### polyfills
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Polyfills to load before application
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### stylePreprocessorOptions
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Options to pass to style preprocessors.
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### webpackConfig
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Path to a function which takes a webpack config, some context and returns the resulting webpack config
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## Angular Options
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### aot
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Build using Ahead of Time compilation.
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### buildEventLog
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**EXPERIMENTAL** Output file path for Build Event Protocol events
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### buildOptimizer
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Enables `@angular-devkit/build-optimizer` optimizations when using the `--aot` option.
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### configuration (-c)
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A named build target, as specified in the "configurations" section of angular.json.
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Each named target is accompanied by a configuration of option defaults for that target.
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Setting this explicitly overrides the "--prod" flag
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### crossOrigin
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Define the crossorigin attribute setting of elements that provide CORS support.
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### deleteOutputPath
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Delete the output path before building.
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### deployUrl
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URL where files will be deployed.
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### es5BrowserSupport
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Enables conditionally loaded ES2015 polyfills.
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### evalSourceMap
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Output in-file eval sourcemaps.
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### experimentalRollupPass
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Concatenate modules with Rollup before bundling them with Webpack.
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### forkTypeChecker
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Run the TypeScript type checker in a forked process.
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### i18nFile
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Localization file to use for i18n.
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### i18nFormat
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Format of the localization file specified with --i18n-file.
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### i18nLocale
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Locale to use for i18n.
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### i18nMissingTranslation
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How to handle missing translations for i18n.
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### localize
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### ngswConfigPath
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Path to ngsw-config.json.
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### poll
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Enable and define the file watching poll time period in milliseconds.
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### polyfills
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The full path for the polyfills file, relative to the current workspace.
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### preserveSymlinks
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Do not use the real path when resolving modules.
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### rebaseRootRelativeCssUrls
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Change root relative URLs in stylesheets to include base HREF and deploy URL. Use only for compatibility and transition. The behavior of this option is non-standard and will be removed in the next major release.
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### resourcesOutputPath
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The path where style resources will be placed, relative to outputPath.
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### serviceWorker
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Generates a service worker config for production builds.
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### skipAppShell
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Flag to prevent building an app shell.
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### vendorSourceMap
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Resolve vendor packages sourcemaps.
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### verbose
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Adds more details to output logging.
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### webWorkerTsConfig
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TypeScript configuration for Web Worker modules.
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