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`yarn build:client` or `yarn dev` command are failure caused by `Module not found: Error:`

See original GitHub issue

Summary

Module not found: Error occurs when exec yarn build:client or yarn dev.

$ yarn build:client
Module not found: Error: Can't resolve 'C:/Users/username/mdn/yari/node_modules/babel-preset-react-app/node_modules/@babel/runtime/helpers/esm/toConsumableArray' in 'C:\Users\username\mdn\yari\node_modules\dexie\dist\modern'
Did you mean 'toConsumableArray.js'?
BREAKING CHANGE: The request 'C:/Users/username/mdn/yari/node_modules/babel-preset-react-app/node_modules/@babel/runtime/helpers/esm/toConsumableArray' failed to resolve only because it was resolved as fully specified
(probably because the origin is strict EcmaScript Module, e. g. a module with javascript mimetype, a '*.mjs' file, or a '*.js' file where the package.json contains '"type": "module"').
The extension in the request is mandatory for it to be fully specified.
Add the extension to the request.

Not sure but I assume this error caused by webpack 5 or react-scripts 5.x

URL

N/A

Reproduction steps

git checkout 8f248fb0eae46f0d49c4bb1423dd668a1388408b
delete node_modules
yarn install
yarn build:client or yarn dev

Expected behavior

Success a build without error

Actual behavior

Module not found: Error occurs

Device

Desktop

Browser

Other (specify below)

Browser version

Other version (specify below)

Operating system

Windows 11

Screenshot

N/A

Anything else?

Node version is v16.15.0

Validations

I have read the Community Participation Guidelines.
I have verified that there isn’t already an issue that reports the same bug to avoid creating a duplicate.
I have checked that this is a concrete bug. For Q&A open a GitHub Discussion.

Issue Analytics

State:
Created a year ago
Comments:11 (11 by maintainers)

Top GitHub Comments

1reaction

caugnercommented, May 21, 2022

Glad to hear @yoshinorin! 🎉

1reaction

caugnercommented, May 20, 2022

I think I found a (temporary) solution by recreating the yarn.lock file(s). However, the same error appears after switching to npm (#6322), which suggests that we’re just lucky that yarn accidentally fixes this somehow. 🤔

https://github.com/mdn/yari/runs/6520871772?check_suite_focus=true#step:9:32