Function indent

scripts/experimental/swiftui-preview.mjs:1367–1373

(text, spaces)

}

function indent(text, spaces) {
  const prefix = " ".repeat(spaces);
  return text
    .split("\n")
    .map((line) => `${prefix}${line}`)
    .join("\n");
}

function arrayArg(value) {
  if (value == null) {