[Custom Functions] when importing CommonJS modules, lint does not work if you do not add `.js` in `require`

[Jun Han]

Describe the bug
When importing CommonJS modules, lint does not work if you do not add .js in require

To Reproduce

1. Git clone from https://github.com/formulahendry/test
2. Install vscode-spectral extension
3. Open test-spectral\openapi.yaml file

Actual behavior
Lint does not show any error.

Expected behavior
Lint should show error message for message: aaa222: https://github.com/formulahendry/test/blob/91ea37278d2e316a74f016b06dea2b08f80e6bcb/test-spectral/openapi.yaml#L5

However,

If you run from CLI with the same rule: spectral lint .\test-spectral\openapi.yaml --ruleset .\test-spectral\test_rules\my-ruleset.yaml
Lint works!

In test-spectral\test_rules\functions\abc.js, if you add a .js in require: var { getMessages } = require("../function_utils/test.js");
Lint works!

the .js file extension should be optional when importing CommonJS modules.

Screenshots

Environment:

• Extension version: 1.1.2
• VS Code version: 1.86
• Operating System: Windows 11

Additional context
.js should be optional in require:

• https://stackoverflow.com/a/72491599/4545351
• https://nodejs.org/api/modules.html#file-modules