Function formatType

src/output/util/format_type.js:103–196

(getHref, node)

 * // => 'https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String'
 */
export default function formatType(getHref, node) {
  let result = [];

  if (!node) {
    return [t('any')];
  }

  switch (node.type) {
    case Syntax.NullableLiteral:
      return [t('?')];
    case Syntax.AllLiteral:
      return [t('any')];
    case Syntax.NullLiteral:
      return [t('null')];
    case Syntax.VoidLiteral:
      return [t('void')];
    case Syntax.UndefinedLiteral:
      return [link('undefined', getHref)];
    case Syntax.NameExpression:
      return [link(node.name, getHref)];
    case Syntax.ParameterType:
      if (node.name) {
        result.push(t(node.name + ': '));
      }
      return result.concat(formatType(getHref, node.expression));

    case Syntax.TypeApplication:
      return formatType(getHref, node.expression).concat(
        commaList(getHref, node.applications, '<', '>')
      );
    case Syntax.UnionType:
      return commaList(getHref, node.elements, '(', ')', ' | ');
    case Syntax.ArrayType:
      return commaList(getHref, node.elements, '[', ']');
    case Syntax.RecordType:
      return commaList(getHref, node.fields, '{', '}');

    case Syntax.FieldType:
      if (node.value) {
        return [t(node.key + ': ')].concat(formatType(getHref, node.value));
      }
      return [t(node.key)];

    case Syntax.FunctionType:
      result = [t('function (')];

      if (node['this']) {
        if (node['new']) {
          result.push(t('new: '));
        } else {
          result.push(t('this: '));
        }

        result = result.concat(formatType(getHref, node['this']));

        if (node.params.length !== 0) {
          result.push(t(', '));
        }