NAME

       uglify-js - JavaScript parser, mangler/compressor and beautifier toolkit

SYNOPSIS

       uglifyjs [files...] [options]

OPTIONS

       -h, --help
              Print usage information.  `--help options` for details on available options.

       -v, -V, --version
              Print version number.

       -p, --parse <options>
              Specify parser options.

       -c, --compress [options]
              Enable compressor/specify compressor options.

       -m, --mangle [options]
              Mangle names/specify mangler options.

       --mangle-props [options]
              Mangle properties/specify mangler options.

       -b, --beautify [options]
              Beautify output/specify output options.

       -O, --output-opts <options>
              Output options (beautify disabled).

       -o, --output <file>
              Output file (default STDOUT).

       --annotations
              Process and preserve comment annotations.

       --no-annotations
              Ignore and discard comment annotations.

       --comments [filter]
              Preserve copyright comments in the output.

       --config-file <file>
              Read minify() options from JSON file.

       -d, --define <expr>[=value]
              Global definitions.

       -e, --enclose [arg[,...][:value[,...]]]
              Embed everything in a big function, with configurable argument(s) & value(s).

       --expression
              Parse a single expression, rather than a program.

       --ie   Support non-standard Internet Explorer.

       --keep-fargs
              Do not mangle/drop function arguments.

       --keep-fnames
              Do    not    mangle/drop    function    names.   Useful   for   code   relying   on
              Function.prototype.name.

       --module
              Process input as ES module (implies --toplevel)

       --name-cache <file>
              File to hold mangled name mappings.

       --rename
              Force symbol expansion.

       --no-rename
              Disable symbol expansion.

       --self Build UglifyJS as a library (implies --wrap UglifyJS)

       --source-map [options]
              Enable source map/specify source map options.

       --timings
              Display operations run time on STDERR.

       --toplevel
              Compress and/or mangle variables in toplevel scope.

       --v8   Support non-standard Chrome & Node.js.

       --validate
              Perform validation during AST manipulations.

       --verbose
              Print diagnostic messages.

       --warn Print warning messages.

       --webkit
              Support non-standard Safari/Webkit.

       --wrap <name>
              Embed everything as a  function  with  ???exports???  corresponding  to  ???name???
              globally.

       (internal debug use only)

       --in-situ
              Warning: replaces original source files with minified output.

       --reduce-test
              Reduce a standalone test case (assumes cloned repository).