fix: correctly get file extension for multi-dot filenames like my.asyncapi.yaml

[hikali123456789]

Description

The ileExists() function in SpecificationFile.ts incorrectly extracts file extensions using split('.')[1], which only works for single-dot filenames like ile.txt but fails for multi-dot filenames like my.asyncapi.yaml.

Example

• ile.txt ? extension extracted as xt ?
• my.asyncapi.yaml ? extension extracted as �syncapi ? (should be yaml)

Fix

Changed the extension extraction logic to use slice(1).join('.') which correctly captures all parts after the first dot, or to use lastIndexOf('.') approach to get the last extension.

PR-Merge

Please add the �ounty label and the shipit / hacktoberfest-accepted label if applicable. Thank you!

[changeset-bot]

⚠️ No Changeset found

Latest commit: a7a5f2d

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[hikali123456789]

Hi! This PR is ready for review. The fix handles multi-dot filenames correctly. Let me know if any changes needed.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

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