依赖中有ismobilejs包，但是实际未使用导致webpack将其打包进来，却未进行es6语法编译

[IceApriler]

• I have searched the issues of this repository and believe that this is not a duplicate.

Version

1.5.0-rc.4

Environment

ant-design-vue@1.4.12

Reproduction link

---

Steps to reproduce

使用vue-cli 引入ant-design-vue@1.4.12，npm run build后在dist中搜索ismobilejs。

What is expected?

治标：移除ismobilejs依赖。
治本：如何配置解决当前问题？

What is actually happening?

dist/js/chunk-vendors.js

/***/ "./node_modules/ismobilejs/esm/isMobile.js":
/*!*************************************************!*\
!*** ./node_modules/ismobilejs/esm/isMobile.js ***!
\*************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "default", function() { return isMobile; });
const appleIphone = /iPhone/i;
const appleIpod = /iPod/i;
const appleTablet = /iPad/i;
const androidPhone = /\bAndroid(?:. )Mobile\b/i;
const androidTablet = /Android/i;
const amazonPhone = /(?:SD4930UR|\bSilk(?:. )Mobile\b)/i;
const amazonTablet = /Silk/i;
const windowsPhone = /Windows Phone/i;
const windowsTablet = /\bWindows(?:. )ARM\b/i;
const otherBlackBerry = /BlackBerry/i;
const otherBlackBerry10 = /BB10/i;
const otherOpera = /Opera Mini/i;
const otherChrome = /\b(CriOS|Chrome)(?:. )Mobile/i;
const otherFirefox = /Mobile(?:. )Firefox\b/i;
function match(regex, userAgent) {
return regex.test(userAgent);
}

[tangjinzhou]

ref #1890

[IceApriler]

@tangjinzhou 这是啥意思？

[IceApriler]

@tangjinzhou 大佬没说这问题怎么回事，也没说怎么解决啊，链接一个URL就关了😂

[tangjinzhou]

已经有人提了pr 并在下个版本发布时修复 1.5.0-rc.5已修复

[github-actions]

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