babel-plugin-transform-replace-expressions

babel-plugin-transform-replace-expressions

Replace JavaScript expressions with other expressions.

Installation

$ yarn add --dev babel-plugin-transform-replace-expressions

Example

Input file:

const env = process.env.NODE_ENV;

typeof Hello === "number";

.babelrc:

{
  "plugins": [
    [
      "babel-plugin-transform-replace-expressions",
      {
        "process.env.NODE_ENV": "\"production\"",
        "typeof Hello": "42",
      }
    ]
  ]
}

Output:

const env = "production";

42 === "number";

License

This plugin is licensed under the MIT license. See LICENSE.