---
name: "babel-minify"
section: "1"
platform: "linux"
package: "babel-minify"
version: "0.5.2+dfsg+~cs5.2.9-9"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/babel-minify"
---

# babel-minify(1)

ES6+ aware minifier based on the Babel toolchain

## NAME

babel-minify - ES6+ aware minifier based on the Babel toolchain

## DESCRIPTION

-

  Usage: minify index.js \[options\]

-

  IO Options:

- **--out-file**, **-o**

  Output to a specific file

- **--out-dir**, **-d**

  Output to a specific directory

-

  Parser/Generator options

- **--sourceType**

  Indicate the mode the code should be parsed in. Valid options are "script" \| "module" \| "unambiguous"

- **--comments**

  Enable/Disable comments in the output. For more specific control, use the Node API

-

  Transform Options:

- **--mangle**

  Context and scope aware variable renaming

- **--simplify**

  Simplifies code for minification by reducing statements into expressions

- **--booleans**

  Transform boolean literals into !0 for true and !1 for false

- **--builtIns**

  Minify standard built-in objects

- **--consecutiveAdds**

  Inlines consecutive property assignments, array pushes, etc.

- **--deadcode**

  Inlines bindings and tries to evaluate expressions.

- **--evaluate**

  Tries to evaluate expressions and inline the result. Deals with numbers and strings

- **--flipComparisons**

  Optimize code for repetition-based compression algorithms such as gzip.

- **--infinity**

  Minify Infinity to 1/0

- **--memberExpressions**

  Convert valid member expression property literals into plain identifiers

- **--mergeVars**

  Merge sibling variables into single variable declaration

- **--numericLiterals**

  Shortening of numeric literals via scientific notation

- **--propertyLiterals**

  Transform valid identifier property key literals into identifiers

- **--regexpConstructors**

  Change RegExp constructors into literals

- **--removeConsole**

  Removes all console.\* calls

- **--removeDebugger**

  Removes all debugger statements

- **--removeUndefined**

  Removes rval's for variable assignments, return arguments from functions that evaluate to undefined

- **--replace**

  Replaces matching nodes in the tree with a given replacement node

- **--simplifyComparisons**

  Convert === and !== to == and != if their types are inferred to be the same

- **--typeConstructors**

  Minify constructors to equivalent version

- **--undefinedToVoid**

  Transforms undefined into void 0

-

  Other Options:

- **--keepFnName**

  Preserve Function Name (useful for code depending on fn.name)

- **--keepClassName**

  Preserve Class Name (useful for code depending on c.name)

- **--keepFnArgs**

  Don't remove unused fn arguments (useful for code depending on fn.length)

- **--tdz**

  Detect usages of variables in the Temporal Dead Zone

-

  Nested Options:

-

  To use nested options (plugin specfic options) simply use the pattern **--pluginName**.featureName.

-

  For example, minify index.js **--mangle**.keepClassName **--deadcode**.keepFnArgs **--outFile** index.min.js