Function uniqueDiagnostics

packages/tools/jsdocs/src/Jsdocs.ts:1070–1082

(
  diagnostics: ReadonlyArray<JSDocDiagnostic>
)

}

function uniqueDiagnostics(
  diagnostics: ReadonlyArray<JSDocDiagnostic>
): ReadonlyArray<JSDocDiagnostic> {
  const seen = new Set<string>()
  return diagnostics.filter((item) => {
    const key = `${item.code}:${item.message}`
    if (seen.has(key)) {
      return false
    }
    seen.add(key)
    return true
  })
}

const standardHeadings = ["**When to use**", "**Details**", "**Gotchas**"] as const