Function extractMarkupText

src/tools/LSPTool/formatters.ts:223–248

* Extracts text content from MarkupContent or MarkedString

(
  contents: MarkupContent | MarkedString | MarkedString[],
)

 * Extracts text content from MarkupContent or MarkedString
 */
function extractMarkupText(
  contents: MarkupContent | MarkedString | MarkedString[],
): string {
  if (Array.isArray(contents)) {
    return contents
      .map(item => {
        if (typeof item === 'string') {
          return item
        }
        return item.value
      })
      .join('\n\n')
  }

  if (typeof contents === 'string') {
    return contents
  }

  if ('kind' in contents) {
    // MarkupContent
    return contents.value
  }

  // MarkedString object
  return contents.value
}

/**
 * Formats hover result