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babel-plugin-transform-vite-meta-env

v1.0.3

Published

babel plugin that emulates vite's import.meta.env functionality

Downloads

1,855

Readme

babel-plugin-transform-vite-meta-env

Build Status codecov version downloads MIT License

PRs Welcome Code of Conduct Discord

Watch on GitHub Star on GitHub Tweet

Please note: this plugin is intended to provide an approximation of some of Vite specific transformations when running the code in non-Vite environment, for example, running tests with a NodeJS based test runner.

The functionality within these transformations should not be relied upon in production.

Example

In

const mode = import.meta.env.MODE;
const baseUrl = import.meta.env.BASE_URL;
const nodeEnv = import.meta.env.NODE_ENV;
const dev = import.meta.env.DEV;
const prod = import.meta.env.PROD;
const viteVar = import.meta.env.VITE_VAR;
const other = import.meta.env.OTHER;

Out

const mode = process.env.MODE;
const baseUrl = '/';
const nodeEnv = process.env.NODE_ENV || 'test';
const dev = process.env.NODE_ENV !== 'production';
const prod = process.env.NODE_ENV === 'production';
const viteVar = process.env.env.VITE_VAR;
const other = undefined;

Installation

npm install --save-dev babel-plugin-transform-vite-meta-env

Usage

With a configuration file (Recommended)

{
  "plugins": ["babel-plugin-transform-vite-meta-env"]
}

Via CLI

babel --plugins babel-plugin-transform-vite-meta-env script.js

Via Node API

require('@babel/core').transformSync('code', {
  plugins: ['babel-plugin-transform-vite-meta-env']
})