Merge sibling variables transform
Merge sibling variables into one
Example
In
// merge into a single VariableDeclaration
var foo = "bar";
var bar = "foo";
foobar();

// merge into the next for loop
var i = 0;
for (var x = 0; x < 10; x++) {}

Out
var foo = "bar",
    bar = "foo";
foobar();

for (var i = 0, x = 0; x < 10; x++) {}

Installation
npm install babel-plugin-transform-merge-sibling-variables

Usage
Via .babelrc (Recommended)
.babelrc
{
  "plugins": ["transform-merge-sibling-variables"]
}

Via CLI
babel --plugins transform-merge-sibling-variables script.js

Via Node API
require("babel-core").transform("code", {
  plugins: ["transform-merge-sibling-variables"]
});


    
{'path': 'public/docs/babel~6/plugins/transform-merge-sibling-variables/index.html', 'source': 'DevDocs.IO'}