babel.js - The compiler for writing next generation JavaScript
babel [options] <files ...>
- -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.
[.es6,.js,.es,.jsx,.mjs]
- --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