[Bug]: @babel/helper-compilation-targets: 'opera_mobile' is not a valid target when upgrading babel/core to 7.23.6 about babel HOT 10 CLOSED

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from babel.

If you delete your node_modules and package-lock.json and re-run npm i will it work?

from babel.

You might have multiple versions of helper-compilation-targets in your project.

An alternative to deleting lockfile would be to dedupe (or override) your dependency tree so it all points to 7.23.6:

yarn dedupe
# or
pnpm dedupe

from babel.

You might have multiple versions of helper-compilation-targets in your project.

An alternative to deleting lockfile would be to dedupe (or override) your dependency tree so it all points to 7.23.6:

yarn dedupe
# or
pnpm dedupe

yarn install will do dedupe automatically, and this is not working.
Putting into resolutions like this isn't working too.

resolutions: {
  @babel/helper-compilation-targets: 7.2.6
}

from babel.

If you delete your node_modules and package-lock.json and re-run npm i will it work?

I use yarn and yarn cache clean, and it's not working

from babel.

yarn install will do dedupe automatically, and this is not working.

I remember not dedupe automatically, but resolutions should work.
Can you provide a repository to reproduce?

from babel.

Do you happen to have a browserslist config somewhere? If you do, what happens if you delete this or make its value empty?

from babel.

Do you happen to have a browserslist config somewhere? If you do, what happens if you delete this or make its value empty?

our browserlist is:

  "browserslist": [
    ">0.2%",
    "not dead",
    "not android > 0",
    "not op_mini all"
  ]

We can't remove that browserslist in package.json as browserlist lib will terminate the build. I search through node_modules and find that keyword opera_mobile is used a lot in many packages.

from babel.

OK I figured out the culprit: This is due to some library is using an old version of @babel/helper-compilation-targets:

• @babel/helper-compilation-targets (old version, targets don't contain opera_mobile => crash)
  => @babel/helper-define-polyfill-provider (yarn resolves to 0.3.3, but not 0.4.4)
  => babel-plugin-polyfill-corejs3/babel-plugin-polyfill-corejs2 (old versions)
  => @babel/plugin-transform-runtime (old ver 7.16.4)
  => babel-preset-react-app 10.0.1 (very old, not maintained by FB since 2021) (But I can't get rid of it in near future).

from babel.

I will close this issue

from babel.