Array of multi-value prameters are always sent as muliple parameters instances

[piotrwalczak1]

Regardless of collectionFormat setting (default is csv - comman separated), when the parameters are defined as an array of strings, always multiple instances are sent istead of comma separated ones.

Q&A (please complete the following information)

• OS: WIndows, linux
• Browser: chrome, firefox
• Version: 126.0
• Method of installation: npm
• Swagger-UI version: 3.0.1
• Swagger/OpenAPI version: 3.0

Content & configuration

Example Swagger/OpenAPI definition:

 parameters:
        - name: "myParameter"
          in: query
          description: array of items
          required: true
          allowEmptyValue: false
          schema:
            type: array
            collectionFormat: csv
            items:
              type: string
          example:
            - 'ABC'
            - 'DEF'

This is sent as:

check?myParameter=ABC&myParameter=DEF'

Should be sent as

check?myParameter=ABC,DEF