Validate ES2015 constants
Syntax only
This check will only validate consts. If you need it to compile down to `var` then you must also install and enable transform-es2015-block-scoping.
In
const a = 1; a = 2;
Out
repl: "a" is read-only 1 | const a = 1; > 2 | a = 2; | ^
npm install --save-dev babel-plugin-check-es2015-constants
.babelrc
(Recommended).babelrc
{ "plugins": ["check-es2015-constants"] }
babel --plugins check-es2015-constants script.js
require("babel-core").transform("code", { plugins: ["check-es2015-constants"] });
This check will only validate consts. If you need it to compile down to var
then you must also install and enable transform-es2015-block-scoping
.
© 2018 Sebastian McKenzie
Licensed under the MIT License.
http://babeljs.io/docs/plugins/check-es2015-constants/