Function groupByFile

src/tools/LSPTool/formatters.ts:78–94

* Groups items by their file URI. * Generic helper that works with both Location[] and SymbolInformation[]

(
  items: T[],
  cwd?: string,
)

 * Generic helper that works with both Location[] and SymbolInformation[]
 */
function groupByFile<T extends { uri: string } | { location: { uri: string } }>(
  items: T[],
  cwd?: string,
): Map<string, T[]> {
  const byFile = new Map<string, T[]>()
  for (const item of items) {
    const uri = 'uri' in item ? item.uri : item.location.uri
    const filePath = formatUri(uri, cwd)
    const existingItems = byFile.get(filePath)
    if (existingItems) {
      existingItems.push(item)
    } else {
      byFile.set(filePath, [item])
    }
  }
  return byFile
}

/**
 * Formats a Location with file path and line/character position