src/language-yaml/printer-yaml.js/printFlowScalarContent
function printFlowScalarContent(nodeType, content, options) {
  const lineContents = getFlowScalarLineContents(nodeType, content, options);
  return join(
    hardline,
    lineContents.map((lineContentWords) =>
      fill(getDocParts(join(line, lineContentWords)))
    )
  );
}