---
name: "babeljs"
section: "1"
platform: "linux"
package: "node-babel7"
version: "7.20.15+ds1+~cs214.269.168-8"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/babeljs"
---

# babeljs(1)

The compiler for writing next generation JavaScript

## NAME

babel.js - The compiler for writing next generation JavaScript

## SYNOPSIS

**babel** \[*options*\] *\<files* ...*\>*

## OPTIONS

- **-f**, **--filename** \[filename\]

  The filename to use when reading from stdin. This will be used in source-maps, errors etc.

- **--presets** \[list\]

  A comma-separated list of preset names.

- **--plugins** \[list\]

  A comma-separated list of plugin names.

- **--config-file** \[path\]

  Path to a .babelrc file to use.

- **--env-name** \[name\]

  The name of the 'env' to use when loading configs and plugins. Defaults to the value of BABEL\_ENV, or else NODE\_ENV, or else 'development'.

- **--root-mode** \[mode\]

  The project-root resolution mode. One of 'root' (the default), 'upward', or 'upward-optional'.

**--source-type** \[script\|module\]

- **--no-babelrc**

  Whether or not to look up .babelrc and .babelignore files.

- **--ignore** \[list\]

  List of glob paths to \*\*not\*\* compile.

- **--only** \[list\]

  List of glob paths to \*\*only\*\* compile.

- **--no-highlight-code**

  Enable or disable ANSI syntax highlighting of code frames. (on by default)

- **--no-comments**

  Write comments to generated output. (true by default)

- **--retain-lines**

  Retain line numbers. This will result in really ugly code.

- **--compact** \[true\|false\|auto\]

  Do not include superfluous whitespace characters and line terminators.

- **--minified**

  Save as many bytes when printing. (false by default)

- **--auxiliary-comment-before** \[string\]

  Print a comment before any injected non-user code.

- **--auxiliary-comment-after** \[string\]

  Print a comment after any injected non-user code.

**-s**, **--source-maps** \[true\|false\|inline\|both\]

- **--source-map-target** \[string\]

  Set \`file\` on returned source map.

- **--source-file-name** \[string\]

  Set \`sources\[0\]\` on returned source map.

- **--source-root** \[filename\]

  The root from which all sources are relative.

- **--module-root** \[filename\]

  Optional prefix for the AMD module formatter that will be prepended to the filename on module definitions.

- **-M**, **--module-ids**

  Insert an explicit id for modules.

- **--module-id** \[string\]

  Specify a custom name for module ids.

- **-x**, **--extensions** \[extensions\]

  List of extensions to compile when a directory has been the input. \[.js,.jsx,.es6,.es,.mjs,.cjs\]

- **--keep-file-extension**

  Preserve the file extensions of the input files.

- **-w**, **--watch**

  Recompile files on changes.

- **--skip-initial-build**

  Do not compile files before watching.

- **-o**, **--out-file** \[out\]

  Compile all input files into a single file.

- **-d**, **--out-dir** \[out\]

  Compile an input directory of modules into an output directory.

- **--relative**

  Compile into an output directory relative to input directory or file. Requires **--out-dir** \[out\]

- **-D**, **--copy-files**

  When compiling a directory copy over non-compilable files.

- **--include-dotfiles**

  Include dotfiles when compiling and copying non-compilable files.

- **--no-copy-ignored**

  Exclude ignored files when copying non-compilable files.

- **--verbose**

  Log everything. This option conflicts with **--quiet**

- **--quiet**

  Don't log anything. This option conflicts with **--verbose**

- **--delete-dir-on-start**

  Delete the out directory before compilation.

- **--out-file-extension** \[string\]

  Use a specific extension for the output files

- **-V**, **--version**

  output the version number

- **-h**, **--help**

  display help for command