代码分析vue中如何配置less

npm install --save-dev less less-loader

npm install --save-dev style-loader css-loader

<script>
 (function (doc, win) {
  var docEl = doc.documentElement,
  resizeEvt = 'orientationchange' in window ? 'orientationchange' : 'resize',
  recalc = function () {
   var clientWidth = docEl.clientWidth;
   if (!clientWidth) return;
   if (clientWidth >= 640) {
   docEl.style.fontSize = '100px';
   } else {
   docEl.style.fontSize = 100  (clientWidth / 640) + 'px';
   }
  };
 
  if (!doc.addEventListener) return;
  win.addEventListener(resizeEvt, recalc, false);
  doc.addEventListener('DOMContentLoaded', recalc, false);
 })(document, window);
 </script>

{
  test: /\.less$/,
  use: [
   "style-loader",
   "css-loader",
   "less-loader"
  ]
  }

<template>
 <div> <p>header</p> </div>
</template>
 
<script>
export default {
 name: "headers",
 data() {
 return {};
 }
};
</script>
 
<style scoped>
.box {
 height: 300/50rem;
 width: 200/50rem;
 background-color: red;
 font-size: 16/50 rem;
}
</style>