Function parseTsMembers

repos/effect/packages/tools/jsdocs/src/Jsdocs.ts:2983–3010

(
  members: ts.NodeArray<ts.TypeElement | ts.ClassElement>,
  diagnostics: Array<JSDocModelDiagnostic>,
  linkContext: { readonly checker: ts.TypeChecker; readonly entry: ProgramCacheEntry; readonly cwd: string }
)

function symbolSignature(
  name: string,
  bucket: ExportBucket,
  symbol: ts.Symbol,
  location: ts.Node,
  checker: ts.TypeChecker,
  cwd: string
): string | null {
  if (bucket !== "value") return null
  const target = resolvedSymbolTarget(symbol, checker)
  const type = checker.getTypeOfSymbolAtLocation(target, location)
  if (checker.getSignaturesOfType(type, ts.SignatureKind.Call).length === 0) return null
  return functionSignature(name, symbol, location, checker, cwd)
}

function declarationSignature(
  name: string,
  bucket: ExportBucket,
  node: ts.Node,
  checker: ts.TypeChecker,
  cwd: string
): string | null {
  if (ts.isVariableStatement(node)) {
    const declaration = node.declarationList.declarations.find((item) =>
      ts.isIdentifier(item.name) && item.name.text === name
    )
    if (declaration === undefined) return null
    const symbol = checker.getSymbolAtLocation(declaration.name)
    return symbol === undefined ? null : symbolSignature(name, bucket, symbol, declaration.name, checker, cwd)
  }
  const nameNode = ts.isFunctionDeclaration(node) || ts.isClassDeclaration(node) || ts.isInterfaceDeclaration(node) ||
      ts.isTypeAliasDeclaration(node)