Function uniqueModelDiagnostics

packages/tools/jsdocs/src/Jsdocs.ts:2627–2637

(
  diagnostics: ReadonlyArray<JSDocModelDiagnostic>
)

}

function uniqueModelDiagnostics(
  diagnostics: ReadonlyArray<JSDocModelDiagnostic>
): ReadonlyArray<JSDocModelDiagnostic> {
  const seen = new Set<string>()
  return diagnostics.filter((item) => {
    const key = `${item.code}:${item.message}:${item.range[0]}:${item.range[1]}`
    if (seen.has(key)) return false
    seen.add(key)
    return true
  })
}

function nodeRange(node: ts.Node): [number, number] {
  return [node.getStart(), node.getEnd()]