$ npm install babel-plugin-transform-merge-sibling-variables
Merge sibling variables into one.
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++) {}
npm install babel-plugin-transform-merge-sibling-variables --save-dev
.babelrc
(Recommended).babelrc
{
"plugins": ["transform-merge-sibling-variables"]
}
babel --plugins transform-merge-sibling-variables script.js
require("@babel/core").transform("code", {
plugins: ["transform-merge-sibling-variables"]
});
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