use terser and clean-css directly

create a sourcemap as well by default

node_modules/safe-buffer/README.md

@@ -22,6 +22,8 @@
 npm install safe-buffer
 ```
 
+[Get supported safe-buffer with the Tidelift Subscription](https://tidelift.com/subscription/pkg/npm-safe-buffer?utm_source=npm-safe-buffer&utm_medium=referral&utm_campaign=readme)
+
 ## usage
 
 The goal of this package is to provide a safe replacement for the node.js `Buffer`.

node_modules/safe-buffer/index.js

@@ -20,6 +20,8 @@ function SafeBuffer (arg, encodingOrOffset, length) {
   return Buffer(arg, encodingOrOffset, length)
 }
 
+SafeBuffer.prototype = Object.create(Buffer.prototype)
+
 // Copy static methods from Buffer
 copyProps(Buffer, SafeBuffer)
 

node_modules/safe-buffer/package.json

@@ -1,8 +1,8 @@
 {
   "_from": "safe-buffer@^5.1.2",
-  "_id": "safe-buffer@5.1.2",
+  "_id": "safe-buffer@5.2.0",
   "_inBundle": false,
-  "_integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
+  "_integrity": "sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg==",
   "_location": "/safe-buffer",
   "_phantomChildren": {},
   "_requested": {
@@ -19,8 +19,8 @@
     "/request",
     "/tunnel-agent"
   ],
-  "_resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-  "_shasum": "991ec69d296e0313747d59bdfd2b745c35f8828d",
+  "_resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.0.tgz",
+  "_shasum": "b74daec49b1148f88c64b68d49b1e815c1f2f519",
   "_spec": "safe-buffer@^5.1.2",
   "_where": "F:\\projects\\p\\minifyfromhtml\\node_modules\\request",
   "author": {
@@ -59,5 +59,5 @@
     "test": "standard && tape test/*.js"
   },
   "types": "index.d.ts",
-  "version": "5.1.2"
+  "version": "5.2.0"
 }