babel-plugin-transform-regexp-constructors
This changes RegExp constructors into literals if the RegExp arguments are strings.
Example
In
const foo = 'ab+';
var a = new RegExp(foo+'c', 'i');
Out
const foo = 'ab+';
var a = /ab+c/i;
Installation
npm install babel-plugin-transform-regexp-constructors
Usage
Via .babelrc
(Recommended)
.babelrc
{
"plugins": ["transform-regexp-constructors"]
}
Via CLI
babel --plugins transform-regexp-constructors script.js
Via Node API
require("@babel/core").transform("code", {
plugins: ["transform-regexp-constructors"]
});