Function toQueryParam

toQueryParam(value: undefined | string | string[]): undefined | string
Normalizes a value that can be either a string or an array of strings into a comma-separated string suitable for API query parameters.
Parameters
- value: undefined | string | string[]
  A string, array of strings, or undefined
Returns undefined | string
A comma-separated string if the value has content, undefined otherwise
- Defined in message/src/utils/queryParams.ts:8