js如何删除对象/数组中null、undefined、空对象及空数组实例代码

const querys = {
  name: '测试',
  httpMethod: '',
  httpHeaders: [
    {
      key: 'Accept',
      value: 'test',
    },
  ],
  restParams: [
    {
      key: '',
      value: '',
    },
  ],
  body: {
    bodyType: '',
    formDataList: [
      {
        contentType: '',
        key: '',
        value: '',
      },
    ],
  },
  microtask: {
    bodyType: 'javascript',
    formDataList: [
      {
        key: '2',
        value: '4',
      },
    ],
  },
};

{
  name: '测试',
  httpHeaders: [
    {
      key: 'Accept',
      value: 'test',
    },
  ],
  microtask: {
    bodyType: 'javascript',
    formDataList: [
      {
        key: '2',
        value: '4',
      },
    ],
  },
}

export const delEmptyQueryNodes = (obj = {}) => {
  Object.keys(obj).forEach((key) => {
    let value = obj[key];
    value && typeof value === 'object' && delEmptyQueryNodes(value);
    (value === '' || value === null || value === undefined || value.length === 0 || Object.keys(value).length === 0) && delete obj[key];
  });
  return obj;
};

let res = delEmptyQueryNodes(delEmptyQueryNodes(params));

function isEmpty(obj) {
  if (typeof obj === 'undefined' || obj === null || obj === '') return true;
  return false
}

var formData = {
   a: "duo",
   b: 0,
   c: undefined,
   d: null,
   e: null
}
 
function preProcessData(formData) {
  Object.keys(formData).forEach(item=>{
    if(this.isEmpty(formData[item])) {
      delete formData[item];
    }
  })
  return formData;
}

const params = Object.keys(data)
	.filter((key) => data[key] !== null && data[key] !== undefined)
	.reduce((acc, key) => ({ ...acc, [key]: data[key] }), {});