用postcss给less加上webkit前缀

//app3.js//给less加上webkit前缀const glob=require('glob');const autoprefixer = require('autoprefixer')const postcss = require('postcss')const fs = require('fs')const syntax = require('postcss-less');const mkdir=require('./utils/mkdir');const srcDir='./src/';const lessFileArr=glob.sync(srcDir+'**/*.less');//给less加上webkit前缀lessFileArr.forEach(async function (lesspath) {    const lessText=fs.readFileSync(lesspath);    const result=await postcss([ autoprefixer({ overrideBrowserslist: ['last 2 versions']})])        .process(lessText, { syntax: syntax });    mkdir(lesspath.replace(srcDir,'./dist/'));    fs.writeFileSync(lesspath.replace(srcDir,'./dist/'),result.content)})const cssFileArr=glob.sync(srcDir+'**/*.css');//给css加上webkit前缀cssFileArr.forEach(async function (csspath) {    const cssText=fs.readFileSync(csspath);    const result=await postcss([ autoprefixer({ overrideBrowserslist: ['last 2 versions']})])        .process(cssText, { syntax: syntax });    mkdir(csspath.replace(srcDir,'./dist/'));    console.log(result.content)    fs.writeFileSync(csspath.replace(srcDir,'./dist/'),result.content)})