JS-BEAUTIFY

NAME

js-beautify - beautify, unpack or deobfuscate JavaScript

SYNOPSIS

jsbeautifier.py [options] <infile>

DESCRIPTION

jsbeautifier.py@1.14.2

Javascript beautifier (https://beautifier.io/)

<infile> can be "-", which means stdin.

Input options:
-i, --stdin

Read input from stdin

Output options:
-s, --indent-size=NUMBER

Indentation size. (default 4).

-c, --indent-char=CHAR

Character to indent with. (default space).

-e, --eol=STRING

Character(s) to use as line terminators. (default first newline in file, otherwise "\n")

-t, --indent-with-tabs

Indent with tabs, overrides -s and -c

-d, --disable-preserve-newlines

Do not preserve existing line breaks.

-P, --space-in-paren

Add padding spaces within paren, ie. f( a, b )

-E, --space-in-empty-paren

Add a single space inside empty paren, ie. f( )

-j, --jslint-happy

More jslint-compatible output

-a, --space-after-anon-function

Add a space before an anonymous function’s parens, ie. function ()

--space-after-named-function

Add a space before a named function’s parens, i.e. function example ()

-b, --brace-style=collapse

Brace style (collapse, expand, end-expand, none)(,preserve-inline)

-k, --keep-array-indentation

Keep array indentation.

--quiet

Suppress info about a file if nothing was changed.

-r, --replace

Write output in-place, replacing input

-o, --outfile=FILE

Specify a file to output to (default stdout)

-f, --keep-function-indentation

Do not re-indent function bodies defined in var lines.

-x, --unescape-strings

Decode printable chars encoded in \xNN notation.

-X, --e4x

Pass E4X xml literals through untouched

-C, --comma-first

Put commas at the beginning of new line instead of end.

-m,

--max-preserve-newlines=NUMBER

Number of line-breaks to be preserved in one chunk (default 10)

-O, --operator-position=STRING

Set operator position (before-newline, after-newline, preserve-newline)

-w, --wrap-line-length

Attempt to wrap line when it exceeds this length. NOTE: Line continues until next wrap point is found.

-n, --end-with-newline

End output with newline

--indent-empty-lines

Keep indentation on empty lines

--templating

List of templating languages (auto,none,django,erb,handlebars,php,smarty) ["auto"] auto = none in JavaScript, all in html

--editorconfig

Enable setting configuration from EditorConfig

Rarely needed options:
--eval-code

evaluate code if a JS interpreter is installed. May be useful with some obfuscated script but poses a potential security issue.

-l, --indent-level=NUMBER

Initial indentation level. (default 0).

-h, --help, --usage

Prints this help statement.

-v, --version

Show the version