KeCheng/miniprogram/HuiYa/miniprogram_npm/tdesign-miniprogram/common/utils.wxs

/* utils */

/**
 * addUnit */
// 为 css 添加单位
function addUnit(value) {
  var REGEXP = getRegExp('^\d+(.\d+)?$');
  if (value == null) {
    return undefined;
  }
  return REGEXP.test('' + value) ? value + 'px' : value;
}

function isString(string) {
  return string && string.constructor === 'String';
}

function isArray(array) {
  return array && array.constructor === 'Array';
}

function isObject(obj) {
  return obj && obj.constructor === 'Object';
}

var isNoEmptyObj = function (obj) {
  return isObject(obj) && JSON.stringify(obj) !== '{}';
};

function includes(arr, value) {
  if (!arr || !isArray(arr)) return false;

  var i = 0;
  var len = arr.length;

  for (; i < len; i++) {
    if (arr[i] === value) return true;
  }
  return false;
}

function cls(base, arr) {
  var res = [base];
  var i = 0;
  for (size = arr.length; i < size; i++) {
    var item = arr[i];

    if (item && item.constructor === 'Array') {
      var key = arr[i][0];
      var value = arr[i][1];

      if (value) {
        res.push(base + '--' + key);
      }
    } else if (typeof item === 'string') {
      if (item) {
        res.push(base + '--' + item);
      }
    }
  }
  return res.join(' ');
}

function endsWith(str, endStr) {
  return str.slice(-endStr.length) === endStr ? true : false;
}

function _style(arr) {
  var res = [];
  var r = arr.filter(function (s) {
    return s && s.trim();
  });

  for (i = 0; i < r.length; i++) {
    if (endsWith(r[i], ';')) {
      res.push(r[i]);
    } else {
      res.push(r[i] + ';');
    }
  }
  return res.join(' ');
}

module.exports = {
  addUnit: addUnit,
  isString: isString,
  isArray: isArray,
  isObject: isObject,
  isNoEmptyObj: isNoEmptyObj,
  includes: includes,
  cls: cls,
  _style: _style,
};