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authorlittleblack111 <littleblack11111@gmail.com>2026-05-18 23:10:59 +0800
committerlittleblack111 <littleblack11111@gmail.com>2026-05-18 23:41:44 +0800
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-# babel-preset-minify
-
-Babel preset for all minify plugins.
-
-+ [Install](#install)
-+ [Usage](#usage)
-+ [Options](#options)
-
-## Install
-
-```sh
-npm install babel-preset-minify --save-dev
-```
-
-## Usage
-
-### Via `.babelrc` (Recommended)
-
-**.babelrc**
-
-```json
-{
- "presets": ["minify"]
-}
-```
-
-or pass in options -
-
-```json
-{
- "presets": [["minify", {
- "mangle": {
- "exclude": ["MyCustomError"]
- },
- "unsafe": {
- "typeConstructors": false
- },
- "keepFnName": true
- }]]
-}
-```
-
-### Via CLI
-
-```sh
-babel script.js --presets minify
-```
-
-### Via Node API
-
-```javascript
-const babel = require("@babel/core");
-const fs = require("fs");
-
-const code = fs.readFileSync("./input.js").toString();
-
-const minified = babel.transform(code, {
- presets: ["minify"]
-});
-```
-
-## Options
-
-Two types of options:
-
-1. 1-1 mapping with plugin
-2. The same option passed to multiple plugins
-
-#### 1-1 mapping with plugin
-
-+ `false` - disable plugin
-+ `true` - enable plugin
-+ `{ ...pluginOpts }` - enable plugin and pass pluginOpts to plugin
-
-OptionName | Plugin | DefaultValue
----------- | ------ | ------------
-booleans | [transform-minify-booleans][booleans] | true
-builtIns | [minify-builtins][builtIns] | true
-consecutiveAdds | [transform-inline-consecutive-adds][consecutiveAdds] | true
-deadcode | [minify-dead-code-elimination][deadcode] | true
-evaluate | [minify-constant-folding][evaluate] | true
-flipComparisons | [minify-flip-comparisons][flipComparisons] | true
-guards | [minify-guarded-expressions][guards] | true
-infinity | [minify-infinity][infinity] | true
-mangle | [minify-mangle-names][mangle] | true
-memberExpressions | [transform-member-expression-literals][memberExpressions] | true
-mergeVars | [transform-merge-sibling-variables][mergeVars] | true
-numericLiterals | [minify-numeric-literals][numericLiterals] | true
-propertyLiterals | [transform-property-literals][propertyLiterals] | true
-regexpConstructors | [transform-regexp-constructors][regexpConstructors] | true
-removeConsole | [transform-remove-console][removeConsole] | false
-removeDebugger | [transform-remove-debugger][removeDebugger] | false
-removeUndefined | [transform-remove-undefined][removeUndefined] | true
-replace | [minify-replace][replace] | true
-simplify | [minify-simplify][simplify] | true
-simplifyComparisons | [transform-simplify-comparison-operators][simplifyComparisons] | true
-typeConstructors | [minify-type-constructors][typeConstructors] | true
-undefinedToVoid | [transform-undefined-to-void][undefinedToVoid] | true
-
-#### The same option passed to multiple plugins
-
-+ When multiple plugins require the same option, it's easier to declare it in one place. These options are passed on to two or more plugins.
-
-OptionName | Plugins
----------- | -------
-keepFnName | Passed to [mangle][mangle] & [deadcode][deadcode]
-keepClassName | Passed to [mangle][mangle] & [deadcode][deadcode]
-tdz | Passed to [builtIns][builtIns], [evaluate][evaluate], [deadcode][deadcode], [removeUndefined][removeUndefined]
-
-**Examples**
-
-```json
-{
- "presets": [["minify", {
- "evaluate": false,
- "mangle": true
- }]]
-}
-```
-
-```json
-{
- "presets": [["minify", {
- "mangle": {
- "exclude": ["ParserError", "NetworkError"]
- }
- }]]
-}
-```
-
-```json
-{
- "presets": [["minify", {
- "keepFnName": true
- }]]
-}
-// is the same as
-{
- "presets": [["minify", {
- "mangle": {
- "keepFnName": true
- },
- "deadcode": {
- "keepFnName": true
- }
- }]]
-}
-```
-
-[booleans]: ../../packages/babel-plugin-transform-minify-booleans
-[builtIns]: ../../packages/babel-plugin-minify-builtins
-[consecutiveAdds]: ../../packages/babel-plugin-transform-inline-consecutive-adds
-[deadcode]: ../../packages/babel-plugin-minify-dead-code-elimination
-[evaluate]: ../../packages/babel-plugin-minify-constant-folding
-[flipComparisons]: ../../packages/babel-plugin-minify-flip-comparisons
-[guards]: ../../packages/babel-plugin-minify-guarded-expressions
-[infinity]: ../../packages/babel-plugin-minify-infinity
-[mangle]: ../../packages/babel-plugin-minify-mangle-names
-[memberExpressions]: ../../packages/babel-plugin-transform-member-expression-literals
-[mergeVars]: ../../packages/babel-plugin-transform-merge-sibling-variables
-[numericLiterals]: ../../packages/babel-plugin-minify-numeric-literals
-[propertyLiterals]: ../../packages/babel-plugin-transform-property-literals
-[regexpConstructors]: ../../packages/babel-plugin-transform-regexp-constructors
-[removeConsole]: ../../packages/babel-plugin-transform-remove-console
-[removeDebugger]: ../../packages/babel-plugin-transform-remove-debugger
-[removeUndefined]: ../../packages/babel-plugin-transform-remove-undefined
-[replace]: ../../packages/babel-plugin-minify-replace
-[simplify]: ../../packages/babel-plugin-minify-simplify
-[simplifyComparisons]: ../../packages/babel-plugin-transform-simplify-comparison-operators
-[typeConstructors]: ../../packages/babel-plugin-minify-type-constructors
-[undefinedToVoid]: ../../packages/babel-plugin-transform-undefined-to-void