health.applet/miniprogram/core/wxs/dictionary.wxs

function getDictionaryOptions() {
  if (arguments.length !== 2) return [];

  var keys = arguments[0].map(function (item) { return item.key; });
  var index = keys.indexOf(arguments[1]);

  return index !== -1 ? arguments[0][index].options : []
};

function getDictionaryLabel() {
  if (arguments.length !== 3) return '';
  var options = getDictionaryOptions(arguments[0], arguments[1]);
  var keys = options.map(function (item) { return item.value; });
  var index = keys.indexOf(arguments[2]);

  return index !== -1 ? options[index].label : ''
};

module.exports = {
  options: getDictionaryOptions,
  label: getDictionaryLabel
};