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 - babel-helper-evaluate-path@0.5.0
 - babel-helper-to-multiple-sequence-expressions@0.5.0
 - babel-minify@0.5.0
 - babel-plugin-minify-builtins@0.5.0
 - babel-plugin-minify-constant-folding@0.5.0
 - babel-plugin-minify-dead-code-elimination@0.5.0
 - babel-plugin-minify-mangle-names@0.5.0
 - babel-plugin-minify-replace@0.5.0
 - babel-plugin-minify-simplify@0.5.0
 - babel-plugin-transform-remove-undefined@0.5.0
 - babel-preset-minify@0.5.0
 - gulp-babel-minify@0.5.0
 - test-transform@0.0.4
Latest commit 4de3900 Sep 24, 2018

README.md

babel-plugin-minify-mangle-names

Context- and scope- aware variable renaming.

Example

In

var globalVariableName = 42;
function foo() {
  var longLocalVariableName = 1;
  if (longLocalVariableName) {
    console.log(longLocalVariableName);
  }
}

Out

var globalVariableName = 42;
function foo() {
  var a = 1;
  if (a) {
    console.log(a);
  }
}

Installation

npm install babel-plugin-minify-mangle-names --save-dev

Usage

Via .babelrc (Recommended)

.babelrc

// without options
{
  "plugins": ["minify-mangle-names"]
}
// with options
{
  "plugins": [
    ["minify-mangle-names", { "exclude": { "foo": true, "bar": true} }]
  ]
}

Via CLI

babel --plugins minify-mangle-names script.js

Via Node API

require("@babel/core").transform("code", {
  plugins: ["minify-mangle-names"]
});

Options

  • exclude - A plain JS Object with keys as identifier names and values indicating whether to exclude (default: {})
  • eval - mangle identifiers in scopes accessible by eval (default: false)
  • keepFnName - prevent mangler from altering function names. Useful for code depending on fn.name (default: false)
  • topLevel - mangle topLevel Identifiers (default: false)
  • keepClassName - prevent mangler from altering class names (default: false).