如何通过webpack配置去掉view文件中存在的一堆css样式代码

[ImPigerla]

举例

在SSR项目中，build出来的view文件内，存在一堆css样式代码，完整代码如下，css代码见中间部分：

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-webkit-animation-name: amSlideDownOut;\n animation-name: amSlideDownOut;\n -webkit-animation-play-state: running;\n animation-play-state: running;\n}\n@-webkit-keyframes amSlideDownIn {\n 0% {\n -webkit-transform: translate(0, -100%);\n transform: translate(0, -100%);\n }\n 100% {\n -webkit-transform: translate(0, 0);\n transform: translate(0, 0);\n }\n}\n@keyframes amSlideDownIn {\n 0% {\n -webkit-transform: translate(0, -100%);\n transform: translate(0, -100%);\n }\n 100% {\n -webkit-transform: translate(0, 0);\n transform: translate(0, 0);\n }\n}\n@-webkit-keyframes amSlideDownOut {\n 0% {\n -webkit-transform: translate(0, 0);\n transform: translate(0, 0);\n }\n 100% {\n -webkit-transform: translate(0, -100%);\n transform: translate(0, -100%);\n }\n}\n@keyframes amSlideDownOut {\n 0% {\n -webkit-transform: translate(0, 0);\n transform: translate(0, 0);\n }\n 100% {\n -webkit-transform: translate(0, -100%);\n transform: translate(0, -100%);\n }\n}\n*,\n*:before,\n*:after {\n -webkit-tap-highlight-color: rgba(0, 0, 0, 0);\n}\nbody {\n background-color: #f5f5f9;\n font-size: 14px;\n}\n*[contenteditable] {\n -webkit-user-select: auto !important;\n}\n*:focus {\n outline: none;\n}\na {\n background: transparent;\n text-decoration: none;\n outline: none;\n}\n",""]),n.exports=e},function(n,e,t){"use strict";t(17)},function(n,e,t){var i=t(18),a=t(3),o="string"==typeof i?[[n.i,i,""]]:i;(e=n.exports=i.locals||{})._getContent=function(){return o},e._getCss=function(){return""+i},e._insertCss=function(n){return a(o,n)}},function(n,e,t){(e=t(2)(!1)).push([n.i,".am-icon {\n fill: currentColor;\n background-size: cover;\n width: 22px;\n height: 22px;\n}\n.am-icon-xxs {\n width: 15px;\n height: 15px;\n}\n.am-icon-xs {\n width: 18px;\n height: 18px;\n}\n.am-icon-sm {\n width: 21px;\n height: 21px;\n}\n.am-icon-md {\n width: 22px;\n height: 22px;\n}\n.am-icon-lg {\n width: 36px;\n height: 36px;\n}\n.am-icon-loading {\n -webkit-animation: cirle-anim 1s linear infinite;\n animation: cirle-anim 1s linear infinite;\n}\n@-webkit-keyframes cirle-anim {\n 100% {\n -webkit-transform: rotate(360deg);\n transform: rotate(360deg);\n }\n}\n@keyframes cirle-anim {\n 100% {\n -webkit-transform: rotate(360deg);\n transform: rotate(360deg);\n }\n}\n",""]),n.exports=e},function(n,e,t){var i=t(20),a=t(3),o="string"==typeof i?[[n.i,i,""]]:i;(e=n.exports=i.locals||{})._getContent=function(){return o},e._getCss=function(){return""+i},e._insertCss=function(n){return a(o,n)}},function(n,e,t){(e=t(2)(!1)).push([n.i,".am-button {\n display: block;\n outline: 0 none;\n -webkit-appearance: none;\n box-sizing: border-box;\n padding: 0;\n text-align: center;\n font-size: 18px;\n height: 47px;\n line-height: 47px;\n overflow: hidden;\n text-overflow: ellipsis;\n word-break: break-word;\n white-space: nowrap;\n color: #000;\n background-color: #fff;\n border: 1PX solid #ddd;\n border-radius: 5px;\n}\n@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 2dppx) {\n html:not([data-scale]) .am-button {\n position: relative;\n border: none;\n }\n html:not([data-scale]) .am-button::before {\n content: '';\n position: absolute;\n left: 0;\n top: 0;\n width: 200%;\n height: 200%;\n border: 1PX solid #ddd;\n border-radius: 10px;\n -webkit-transform-origin: 0 0;\n transform-origin: 0 0;\n -webkit-transform: scale(0.5);\n transform: scale(0.5);\n box-sizing: border-box;\n pointer-events: none;\n }\n}\n.am-button-borderfix:before {\n -webkit-transform: scale(0.49) !important;\n transform: scale(0.49) !important;\n}\n.am-button.am-button-active {\n background-color: #ddd;\n}\n.am-button.am-button-disabled {\n color: rgba(0, 0, 0, 0.3);\n opacity: 0.6;\n}\n.am-button-primary {\n color: #fff;\n background-color: #108ee9;\n border: 1PX solid #108ee9;\n border-radius: 5px;\n}\n@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 2dppx) {\n html:not([data-scale]) .am-button-primary {\n position: relative;\n border: none;\n }\n html:not([data-scale]) .am-button-primary::before {\n content: '';\n position: absolute;\n left: 0;\n top: 0;\n width: 200%;\n height: 200%;\n border: 1PX solid #108ee9;\n border-radius: 10px;\n -webkit-transform-origin: 0 0;\n transform-origin: 0 0;\n -webkit-transform: scale(0.5);\n transform: scale(0.5);\n box-sizing: border-box;\n pointer-events: none;\n }\n}\n.am-button-primary.am-button-active {\n color: rgba(255, 255, 255, 0.3);\n background-color: #0e80d2;\n}\n.am-button-primary.am-button-disabled {\n color: rgba(255, 255, 255, 0.6);\n opacity: 0.4;\n}\n.am-button-ghost {\n color: #108ee9;\n background-color: transparent;\n border: 1PX solid #108ee9;\n border-radius: 5px;\n}\n@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 2dppx) {\n html:not([data-scale]) .am-button-ghost {\n position: relative;\n border: none;\n }\n html:not([data-scale]) .am-button-ghost::before {\n content: '';\n position: absolute;\n left: 0;\n top: 0;\n width: 200%;\n height: 200%;\n border: 1PX solid #108ee9;\n border-radius: 10px;\n -webkit-transform-origin: 0 0;\n transform-origin: 0 0;\n -webkit-transform: scale(0.5);\n transform: scale(0.5);\n box-sizing: border-box;\n pointer-events: none;\n }\n}\n.am-button-ghost.am-button-active {\n color: rgba(16, 142, 233, 0.6);\n background-color: transparent;\n border: 1PX solid rgba(16, 142, 233, 0.6);\n border-radius: 5px;\n}\n@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 2dppx) {\n html:not([data-scale]) .am-button-ghost.am-button-active {\n position: relative;\n border: none;\n }\n html:not([data-scale]) .am-button-ghost.am-button-active::before {\n content: '';\n position: absolute;\n left: 0;\n top: 0;\n width: 200%;\n height: 200%;\n border: 1PX solid rgba(16, 142, 233, 0.6);\n border-radius: 10px;\n -webkit-transform-origin: 0 0;\n transform-origin: 0 0;\n -webkit-transform: scale(0.5);\n transform: scale(0.5);\n box-sizing: border-box;\n pointer-events: none;\n }\n}\n.am-button-ghost.am-button-disabled {\n color: rgba(0, 0, 0, 0.1);\n border: 1PX solid rgba(0, 0, 0, 0.1);\n border-radius: 5px;\n opacity: 1;\n}\n@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 2dppx) {\n html:not([data-scale]) .am-button-ghost.am-button-disabled {\n position: relative;\n border: none;\n }\n html:not([data-scale]) .am-button-ghost.am-button-disabled::before {\n content: '';\n position: absolute;\n left: 0;\n top: 0;\n width: 200%;\n height: 200%;\n border: 1PX solid rgba(0, 0, 0, 0.1);\n border-radius: 10px;\n -webkit-transform-origin: 0 0;\n transform-origin: 0 0;\n -webkit-transform: scale(0.5);\n transform: scale(0.5);\n box-sizing: border-box;\n pointer-events: none;\n }\n}\n.am-button-warning {\n color: #fff;\n background-color: #e94f4f;\n}\n.am-button-warning.am-button-active {\n color: rgba(255, 255, 255, 0.3);\n background-color: #d24747;\n}\n.am-button-warning.am-button-disabled {\n color: rgba(255, 255, 255, 0.6);\n opacity: 0.4;\n}\n.am-button-inline {\n display: inline-block;\n padding: 0 15px;\n}\n.am-button-inline.am-button-icon {\n display: -webkit-inline-box;\n display: -webkit-inline-flex;\n display: inline-flex;\n}\n.am-button-small {\n font-size: 13px;\n height: 30px;\n line-height: 30px;\n padding: 0 15px;\n}\n.am-button-icon {\n display: -webkit-box;\n display: -webkit-flex;\n display: flex;\n -webkit-box-align: center;\n -webkit-align-items: center;\n align-items: center;\n -webkit-box-pack: center;\n -webkit-justify-content: center;\n justify-content: center;\n}\n.am-button > .am-button-icon {\n margin-right: 0.5em;\n}\n",""]),n.exports=e},,,function(n,e,t){n.exports=t.p+"img/favicon.71983017.png"},function(n,e,t){var i=t(25),a=t(3),o="string"==typeof i?[[n.i,i,""]]:i;(e=n.exports=i.locals||{})._getContent=function(){return o},e._getCss=function(){return""+i},e._insertCss=function(n){return a(o,n)}},function(n,e,t){(e=t(2)(!1)).push([n.i,"article,\naside,\nblockquote,\nbody,\nbutton,\ncode,\ndd,\ndetails,\ndiv,\ndl,\ndt,\nfieldset,\nfigcaption,\nfigure,\nfooter,\nform,\nh1,\nh2,\nh3,\nh4,\nh5,\nh6,\nheader,\nhr,\niframe,\ninput,\nlegend,\nli,\nmenu,\nnav,\nol,\np,\npre,\nsection,\ntd,\ntextarea,\nth,\nul {\n margin: 0;\n padding: 0;\n}\n\n* {\n box-sizing: border-box;\n -webkit-tap-highlight-color: transparent;\n -webkit-touch-callout: none;\n -webkit-font-smoothing: antialiased;\n -moz-osx-font-smoothing: grayscale;\n}\n\nbody,\nbutton,\ninput,\nselect,\ntextarea {\n font-size: 0.12rem;\n line-height: 1.5;\n font-family: system, -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Segoe UI', 'Microsoft YaHei', 'wenquanyi micro hei', 'Hiragino Sans GB', 'Hiragino Sans GB W3', Roboto, Oxygen, Ubuntu, Cantarell, 'Fira Sans', 'Droid Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;\n}\n\nfieldset,\nimg {\n border: 0;\n}\n\nimg {\n max-width: 100%;\n vertical-align: middle;\n}\n\ntable {\n border-collapse: collapse;\n border-spacing: 0;\n}\n\nbutton,\ninput,\nselect,\ntextarea {\n outline: 0;\n padding: 0;\n margin: 0;\n border: none;\n background: transparent;\n -webkit-appearance: none;\n}\n\ntextarea {\n resize: none;\n overflow: auto;\n}\n\na:active,\na:hover,\na:link,\na:visited {\n text-decoration: none;\n}\n\nem,\ni {\n font-style: normal;\n}\n\nol,\nul {\n list-style: none;\n}\n\n.clearfix::after {\n content: '';\n display: block;\n clear: both;\n}\n\n.pull-right {\n float: right !important;\n}\n\n.pull-left {\n float: left !important;\n}\n\n.text-center {\n text-align: center;\n}\n\n.text-ellipsis {\n overflow: hidden;\n text-overflow: ellipsis;\n white-space: nowrap;\n}\n\n.mt-5 {\n margin-top: 0.05rem;\n}\n\n.mr-5 {\n margin-right: 0.05rem;\n}\n\n.mb-5 {\n margin-bottom: 0.05rem;\n}\n\n.ml-5 {\n margin-left: 0.05rem;\n}\n\n.pt-5 {\n padding-top: 0.05rem;\n}\n\n.pr-5 {\n padding-right: 0.05rem;\n}\n\n.pb-5 {\n padding-bottom: 0.05rem;\n}\n\n.pl-5 {\n padding-left: 0.05rem;\n}\n\n.mt-10 {\n margin-top: 0.1rem;\n}\n\n.mr-10 {\n margin-right: 0.1rem;\n}\n\n.mb-10 {\n margin-bottom: 0.1rem;\n}\n\n.ml-10 {\n margin-left: 0.1rem;\n}\n\n.pt-10 {\n padding-top: 0.1rem;\n}\n\n.pr-10 {\n padding-right: 0.1rem;\n}\n\n.pb-10 {\n padding-bottom: 0.1rem;\n}\n\n.pl-10 {\n padding-left: 0.1rem;\n}\n\n.mt-15 {\n margin-top: 0.15rem;\n}\n\n.mr-15 {\n margin-right: 0.15rem;\n}\n\n.mb-15 {\n margin-bottom: 0.15rem;\n}\n\n.ml-15 {\n margin-left: 0.15rem;\n}\n\n.pt-15 {\n padding-top: 0.15rem;\n}\n\n.pr-15 {\n padding-right: 0.15rem;\n}\n\n.pb-15 {\n padding-bottom: 0.15rem;\n}\n\n.pl-15 {\n padding-left: 0.15rem;\n}\n\n.mt-20 {\n margin-top: 0.2rem;\n}\n\n.mr-20 {\n margin-right: 0.2rem;\n}\n\n.mb-20 {\n margin-bottom: 0.2rem;\n}\n\n.ml-20 {\n margin-left: 0.2rem;\n}\n\n.pt-20 {\n padding-top: 0.2rem;\n}\n\n.pr-20 {\n padding-right: 0.2rem;\n}\n\n.pb-20 {\n padding-bottom: 0.2rem;\n}\n\n.pl-20 {\n padding-left: 0.2rem;\n}\n\nhtml {\n font-size: 13.33333vw;\n}\n\n@media screen and (min-width: 750px) {\n html {\n font-size: 100px;\n }\n}\n\nbody {\n height: 100%;\n max-width: 7.5rem;\n margin: 0 auto;\n}\n\n@media screen and (max-width: 750px) {\n body {\n min-width: 100vw;\n }\n}\n\n#app {\n min-height: 100vh;\n}\n\n.title {\n position: absolute;\n top: 50%;\n left: 50%;\n -webkit-transform: translate(-50%, -50%);\n transform: translate(-50%, -50%);\n color: blue;\n font-size: 0.3rem;\n}",""]),n.exports=e},,,,,,,,,,,,,,function(n,e,t){"use strict";t.r(e);t(11);var i=t(7),a=t.n(i),o=t(1),r=t(0),s=t.n(r),l=t(9),m=t(4),c=t.n(m);t(24);function d(n){try{window.gaEvent("mobile","[mobile]enter_page")}catch(n){}return Object(r.useEffect)((function(){window.gaEvent("mobile","[mobile]page_loaded"),c.a.get("/demo",null,{"X-showMessage":!0}).then((function(n){console.log(n)})),c.a.post("/demo",{c:1},{ee:2,params:{dd:2}}).then((function(n){console.log(n)}))}),[]),s.a.createElement("div",null,s.a.createElement("h1",{className:"title"},"我是子页面"),s.a.createElement(a.a,null,"我是子页面"))}d.asyncData=function(n){return Object(o.__awaiter)(void 0,void 0,void 0,(function(){var n;return Object(o.__generator)(this,(function(e){switch(e.label){case 0:return[4,Object(o.__awaiter)(void 0,void 0,void 0,(function(){return Object(o.__generator)(this,(function(n){return[2,{layout:{favicon:s.a.createElement("link",{rel:"shortcut icon",href:t(23),type:"image/x-icon"})}}]}))}))];case 1:return n=e.sent(),[2,Object(o.__assign)({title:"test",keywords:"test,test,test",description:"a test page"},n)]}}))}))};e.default=Object(l.a)(d)}]));

问题是

如何通过webpack配置，达到去掉css代码的效果？