JS-BEAUTIFY(1)

🦋 js-beautify — the manual page, bestie edition 💅

okay so. you found the manual for js-beautify, which lives in the User Commands section of the manual (section 1, iykyk). no cap, this thing is a whole vibe.

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✨ NAME ✨

js-beautify — beautify, unpack or deobfuscate JavaScript 🎀

like. it takes your cursed little minified soup and makes it pretty again. that's the whole gig. main character energy fr.

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🌸 DESCRIPTION 🌸

we're running js-beautify.js@1.15.4 bestie. write that down.

👑 CLI Options:

these are the knobs you turn from the command line. the actual driver's seat stuff.

• -f, --file — the input file(s) you wanna feed it. pass - and it'll read from stdin instead, iconic.
• -r, --replace — writes the output in-place, so it straight up replaces your input file. yes, really. 🫶
• -o, --outfile — write the output to a file instead. default is stdout, as it should be.
• --config — path to a config file, so you can stop typing the same flags over and over like a legend.
• --type [js|css|html] ["js"] — tells it what flavour of file it's dealing with. default is "js".
• -q, --quiet — suppress logging to stdout. shhh. 🤫
• -h, --help — show this help. (hi, that's me, that's this page.)
• -v, --version — show the version. we love a version check.

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🧚 Beautifier Options:

now THIS is the fun part. this is where you sculpt. ✨

• -s, --indent-size — indentation size. default is 4.
• -c, --indent-char — the indentation character. default is " " (a space, bestie).
• -t, --indent-with-tabs — indent with tabs instead. heads up: this overrides -s and -c. team tabs wins, sorry team spaces. 💀
• -e, --eol — the character(s) to use as line terminators. default is first newline in file, otherwise "\n. it literally sniffs your file first, obsessed.
• -n, --end-with-newline — end the output with a newline. that's it. that's the flag.
• --indent-empty-lines — keeps the indentation on empty lines. yes, even the blank ones get dressed up. 🎀
• --templating — list of templating languages: (auto,none,angular,django,erb,handlebars,php,smarty). default is "auto". and fr fr, here's what auto means: auto = none in JavaScript, and auto = all except angular in html (and inline javascript/css). lowkey genius.
• --editorconfig — use EditorConfig to set up the options. let the config file do the talking.
• -l, --indent-level — initial indentation level. default is 0.
• -p, --preserve-newlines — preserve line-breaks. and if you want the opposite, --no-preserve-newlines disables it. 🙈
• -m, --max-preserve-newlines — number of line-breaks to be preserved in one chunk. default is 10.
• -P, --space-in-paren — add padding spaces within paren, ie. f( a, b ). look at the lil breathing room. 😌
• -E, --space-in-empty-paren — add a single space inside empty paren, ie. f( ).
• -j, --jslint-happy — enable jslint-stricter mode. strict era.
• -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, ie. function example (). note the underscores, she's built different from -a.
• -b, --brace-style — [collapse|expand|end-expand|none][,preserve-inline]. default is [collapse,preserve-inline]. yes, it takes two parts. yes, the comma matters.
• -u, --unindent-chained-methods — don't indent chained method calls. let them hang out at the same level.
• -B, --break-chained-methods — break chained method calls across subsequent lines. one per line, we're being dramatic about it. 💅
• -k, --keep-array-indentation — preserve array indentation. your hand-aligned arrays stay hand-aligned.
• -x, --unescape-strings — decode printable characters encoded in xNN notation.
• -w, --wrap-line-length — wrap lines that exceed N characters. default is 0.
• -X, --e4x — pass E4X xml literals through untouched. no notes, no changes.
• --good-stuff — warm the cockles of Crockford's heart. 🫶 that is the entire documented description. I don't make the rules.
• -C, --comma-first — put commas at the beginning of a new line instead of at the end. controversial. iconic. ate.
• -O, --operator-position — set operator position (before-newline|after-newline|preserve-newline). default is before-newline.

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ngl the whole point of this page is: it beautifies, unpacks, or deobfuscates JavaScript. everything above is just how you choose to make it look. periodt. 👑

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and that's the whole manual, bestie!! 💖 this was js-beautify version 1.15.4, documented back in March 2025, and it lives under the title JS-BEAUTIFY(1) in the User Commands section. go make something pretty with it. mwah. 🎀🦋✨