babel

A transpiler which converts code from JavaScript ES6/ES7 syntax to ES5 syntax. More information: https://babeljs.io/.

• Transpile a specified input file and output to stdout:

babel path/to/file

• Transpile a specified input file and output to a specific file:

babel path/to/input_file --out-file path/to/output_file

• Transpile the input file every time it is changed:

babel path/to/input_file --watch

• Transpile a whole directory of files:

babel path/to/input_directory

• Ignore specified comma-separated files in a directory:

babel path/to/input_directory --ignore ignored_file1,ignored_file2,…

• Transpile and output as minified JavaScript:

babel path/to/input_file --minified

• Choose a set of presets for output formatting:

babel path/to/input_file --presets preset1,preset2,…

• Display help:

babel --help