"require() of ES modules is not supported" when linting a commit

Expected Behavior

commitlint should lint commit messages without errors.

Current Behavior

In a project whose package.json is configured as "type": "module", conventional-changelog/commitlint produces the following error:

(node:27380) Warning: require() of ES modules is not supported.
require() of [FULL PATH REDACTED]/commitlint-esm-bug-repro/commitlint.config.js from
[FULL PATH REDACTED]/commitlint-esm-bug-repro/node_modules/cosmiconfig/node_modules/import-fresh/index.js
is an ES module file as it is a .js file whose nearest parent package.json contains "type": "module" which
defines all .js files in that package scope as ES modules.
Instead rename commitlint.config.js to end in .cjs, change the requiring code to use import(), or remove
"type": "module" from [FULL PATH REDACTED]/commitlint-esm-bug-repro/package.json.

Affected packages

• cli
• core
• prompt
• config-angular

Possible Solution

This seems related to how the underlying cosmiconfig package is loading the commitlint configuration.

Steps to Reproduce (for bugs)

Reproduction repository: https://github.com/danielway/commitlint-esm-bug-repro

1. Clone and install the above repository
2. Create some file, add to git, and commit the change
3. Observe the error listed above

Your Environment

Commitlint: 8.3.5 Node: 12.14.1, 13.1.0, and 13.7.0 all exhibit this behavior

[make-github-pseudonymous-again]

How does one workaround this issue?

PS: OK, I have tried passing the config with a .cjs file extension in commitlint --config .commitlintrc.cjs and it does work. PPS: I guess this is the PR that fixed it https://github.com/davidtheclark/cosmiconfig/pull/238 PPPS: If you used .commitlintrc.js without pointing to it with the --config flag it is sufficient to rename the file to .commitlintrc.cjs.

[RomanistHere]

Warning: Instead rename commitlint.config.js to end in .cjs - didn’t work, after I simply changed .js to .cjs but

PS: OK, I have tried passing the config with a .cjs file extension in commitlint --config .commitlintrc.cjs and it does work. PPS: I guess this is the PR that fixed it davidtheclark/cosmiconfig#238 PPPS: If you used .commitlintrc.js without pointing to it with the --config flag it is sufficient to rename the file to .commitlintrc.cjs.

Changed my npx --no-install commitlint --edit $1 string in .husky/commit-msg to npx --no-install commitlint --config commitlint.config.cjs --edit $1 - it worked. Thanks.