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babel-plugin-minify-mangle-names

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

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

Usage

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

Via CLI

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

Via Node API

JavaScript
require("@babel/core").transformSync("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).
提示

You can read more about configuring plugin options here