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88 lines
1.6 KiB
Markdown
88 lines
1.6 KiB
Markdown
# babel-minify
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Node API and CLI
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[](https://www.npmjs.com/package/babel-minify)
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Use `babel-minify` if you don't already use babel (as a preset) or want to run it standalone.
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## Installation
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```sh
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npm install babel-minify --save-dev
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```
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## Usage
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### Node API
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```js
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const minify = require("babel-minify");
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const {code, map} = minify("input code", {
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mangle: {
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keepClassName: true
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}
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});
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```
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### CLI
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```sh
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minify input.js --out-file input.min.js --mangle.keepClassName
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```
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## Node API
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```js
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const minify = require("babel-minify");
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minify(input, minifyOptions, overrides)
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```
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### minifyOptions
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Refer [babel-preset-minify options](https://github.com/babel/minify/tree/master/packages/babel-preset-minify#options)
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### overrides
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+ `babel`: Custom babel
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+ `minifyPreset`: Custom minify preset
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+ `inputSourceMap`: Input Sourcemap
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+ `sourceMaps`: [Boolean]
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## CLI Options
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```
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minify input.js [options]
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```
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### Simple preset options
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For simple options, use `--optionName` in CLI
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Refer [preset's 1-1 options](https://github.com/babel/minify/tree/master/packages/babel-preset-minify#1-1-mapping-with-plugin) for the list of options
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Example:
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```
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minify input.js --mangle false
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```
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### Nested preset options
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Usage: `--optionName.featureName`
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Example:
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```sh
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minify input.js --mangle.keepClassName --deadcode.keepFnArgs --outFile input.min.js
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```
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Refer the corresponding plugins to know the list of options it takes
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### IO options
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+ `--out-file path/to/file.min.js`: Output filename. Used only when reading from STDIN / a single input file
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+ `--out-dir path/to/dir`: Output Directory.
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