use terser and clean-css directly

create a sourcemap as well by default

node_modules/request/request.js

@@ -828,8 +828,7 @@ Request.prototype.start = function () {
       if (isConnecting) {
         var onReqSockConnect = function () {
           socket.removeListener('connect', onReqSockConnect)
-          clearTimeout(self.timeoutTimer)
-          self.timeoutTimer = null
+          self.clearTimeout()
           setReqTimeout()
         }
 
@@ -874,10 +873,7 @@ Request.prototype.onRequestError = function (error) {
     self.req.end()
     return
   }
-  if (self.timeout && self.timeoutTimer) {
-    clearTimeout(self.timeoutTimer)
-    self.timeoutTimer = null
-  }
+  self.clearTimeout()
   self.emit('error', error)
 }
 
@@ -964,10 +960,7 @@ Request.prototype.onRequestResponse = function (response) {
   if (self.setHost) {
     self.removeHeader('host')
   }
-  if (self.timeout && self.timeoutTimer) {
-    clearTimeout(self.timeoutTimer)
-    self.timeoutTimer = null
-  }
+  self.clearTimeout()
 
   var targetCookieJar = (self._jar && self._jar.setCookie) ? self._jar : globalCookieJar
   var addCookie = function (cookie) {
@@ -1172,6 +1165,7 @@ Request.prototype.abort = function () {
     self.response.destroy()
   }
 
+  self.clearTimeout()
   self.emit('abort')
 }
 
@@ -1448,7 +1442,7 @@ Request.prototype.jar = function (jar) {
     cookies = false
     self._disableCookies = true
   } else {
-    var targetCookieJar = (jar && jar.getCookieString) ? jar : globalCookieJar
+    var targetCookieJar = jar.getCookieString ? jar : globalCookieJar
     var urihref = self.uri.href
     // fetch cookie in the Specified host
     if (targetCookieJar) {
@@ -1532,6 +1526,7 @@ Request.prototype.resume = function () {
 }
 Request.prototype.destroy = function () {
   var self = this
+  this.clearTimeout()
   if (!self._ended) {
     self.end()
   } else if (self.response) {
@@ -1539,6 +1534,13 @@ Request.prototype.destroy = function () {
   }
 }
 
+Request.prototype.clearTimeout = function () {
+  if (this.timeoutTimer) {
+    clearTimeout(this.timeoutTimer)
+    this.timeoutTimer = null
+  }
+}
+
 Request.defaultProxyHeaderWhiteList =
   Tunnel.defaultProxyHeaderWhiteList.slice()