Function parseModuleJSDocTs

repos/effect/packages/tools/jsdocs/src/Jsdocs.ts:3135–3149

(
  sourceFile: ts.SourceFile,
  moduleJSDoc: ParsedModuleJSDoc,
  diagnostics: Array<JSDocModelDiagnostic>,
  linkContext: { readonly checker: ts.TypeChecker; readonly entry: ProgramCacheEntry; readonly cwd: string }
)

}

function hasDeclareModifier(node: ts.Node): boolean {
  return ts.canHaveModifiers(node) &&
    (ts.getModifiers(node)?.some((modifier) => modifier.kind === ts.SyntaxKind.DeclareKeyword) ?? false)
}

function parseNamespaceTs(
  node: ts.ModuleDeclaration,
  diagnostics: Array<JSDocModelDiagnostic>,
  linkContext: { readonly checker: ts.TypeChecker; readonly entry: ProgramCacheEntry; readonly cwd: string },
  isInsideDeclare = false
): ParsedNamespace | undefined {
  if (!ts.isIdentifier(node.name)) return undefined
  if (!isInsideDeclare && !hasDeclareModifier(node)) {
    diagnostics.push({
      ...diagnostic("namespace-declare", "Namespaces must be declared with declare namespace"),
      range: nodeRange(node)
    })
    return undefined