babel-plugin-minify-mangle-names

Context- and scope- aware variable renaming.

Example

In

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

Out

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

Installation

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

Usage

$3

.babelrc

`json
// without options
{
"plugins": ["minify-mangle-names"]
}
`

`json
// with options
{
"plugins": [
["minify-mangle-names", { "exclude": { "foo": true, "bar": true} }]
]
}
`

$3

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

$3

`javascript
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`).