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@babel/register does not load custom plugins when cached #10081

ykadosh opened this issue Jun 11, 2019 · 1 comment


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commented Jun 11, 2019

Bug Report

Current Behavior
I'm running babel via @babel/register. In the configuration, I load a custom plugin that I wrote.
When I run babel for the first time (there's no cache) - the plugin is loaded properly. However the next time I run babel (which is now operating with some cache) it doesn't load the plugin.
Deleting node_modules/.cache fixes it, but then the next time I run it it fails again.

Input Code

  babelrcRoots: true,
  only: [...],
  plugins: [
    resolve(__dirname, './path/to/my/plugin'),

My Plugin

module.exports = () => ({
  name: 'my-plugin',
  pre: () => {
  visitor: {
    ImportDeclaration: {
      enter(path) {

Expected behavior/code
All log statements should be executed every time babel is run.

Babel Configuration (.babelrc, package.json, cli command)

module.exports = {
  presets: ['@babel/preset-env', '@babel/preset-react'],
  plugins: [
    ['@babel/plugin-proposal-decorators', {'legacy': true}],
    ['@babel/plugin-proposal-class-properties', {'loose': true}],
        'cwd': 'babelrc',
        'root': ['./'],
        'alias': {...},


  • Babel version(s): 7.4.0
  • Node 10.15.1/npm 6.4.1
  • OS: Windows 10
  • Monorepo: no
  • How you are using Babel: register

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commented Jun 11, 2019

Hey @ykadosh! We really appreciate you taking the time to report an issue. The collaborators
on this project attempt to help as many people as possible, but we're a limited number of volunteers,
so it's possible this won't be addressed swiftly.

If you need any help, or just have general Babel or JavaScript questions, we have a vibrant Slack
that typically always has someone willing to help. You can sign-up here
for an invite.

@ykadosh ykadosh changed the title babel-register does not load plugins when cached babel-register does not load custom plugins when cached Jun 12, 2019

@ykadosh ykadosh changed the title babel-register does not load custom plugins when cached @babel/register does not load custom plugins when cached Jun 24, 2019

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