use terser and clean-css directly

create a sourcemap as well by default

node_modules/xmlchars/package.json

@@ -1,26 +1,26 @@
 {
-  "_from": "xmlchars@^1.3.1",
-  "_id": "xmlchars@1.3.1",
+  "_from": "xmlchars@^2.1.1",
+  "_id": "xmlchars@2.2.0",
   "_inBundle": false,
-  "_integrity": "sha512-tGkGJkN8XqCod7OT+EvGYK5Z4SfDQGD30zAa58OcnAa0RRWgzUEK72tkXhsX1FZd+rgnhRxFtmO+ihkp8LHSkw==",
+  "_integrity": "sha512-JZnDKK8B0RCDw84FNdDAIpZK+JuJw+s7Lz8nksI7SIuU3UXJJslUthsi+uWBUYOwPFwW7W7PRLRfUKpxjtjFCw==",
   "_location": "/xmlchars",
   "_phantomChildren": {},
   "_requested": {
     "type": "range",
     "registry": true,
-    "raw": "xmlchars@^1.3.1",
+    "raw": "xmlchars@^2.1.1",
     "name": "xmlchars",
     "escapedName": "xmlchars",
-    "rawSpec": "^1.3.1",
+    "rawSpec": "^2.1.1",
     "saveSpec": null,
-    "fetchSpec": "^1.3.1"
+    "fetchSpec": "^2.1.1"
   },
   "_requiredBy": [
     "/saxes"
   ],
-  "_resolved": "https://registry.npmjs.org/xmlchars/-/xmlchars-1.3.1.tgz",
-  "_shasum": "1dda035f833dbb4f86a0c28eaa6ca769214793cf",
-  "_spec": "xmlchars@^1.3.1",
+  "_resolved": "https://registry.npmjs.org/xmlchars/-/xmlchars-2.2.0.tgz",
+  "_shasum": "060fe1bcb7f9c76fe2a17db86a9bc3ab894210cb",
+  "_spec": "xmlchars@^2.1.1",
   "_where": "F:\\projects\\p\\minifyfromhtml\\node_modules\\saxes",
   "author": {
     "name": "Louis-Dominique Dubeau",
@@ -34,20 +34,25 @@
   "deprecated": false,
   "description": "Utilities for determining if characters belong to character classes defined by the XML specs.",
   "devDependencies": {
-    "@commitlint/cli": "^7.0.0",
-    "@commitlint/config-angular": "^7.0.1",
-    "@types/chai": "^4.1.4",
-    "@types/mocha": "^5.2.4",
-    "chai": "^4.1.2",
-    "conventional-changelog-cli": "^2.0.1",
-    "husky": "^0.14.3",
-    "mocha": "^5.2.0",
-    "ts-node": "^7.0.0",
-    "tslint": "^5.10.0",
-    "tslint-config-lddubeau": "^2.0.3",
-    "typescript": "^2.9.2"
+    "@commitlint/cli": "^8.1.0",
+    "@commitlint/config-angular": "^8.1.0",
+    "@types/chai": "^4.2.1",
+    "@types/mocha": "^5.2.7",
+    "chai": "^4.2.0",
+    "conventional-changelog-cli": "^2.0.23",
+    "husky": "^3.0.5",
+    "mocha": "^6.2.0",
+    "ts-node": "^8.3.0",
+    "tslint": "^5.19.0",
+    "tslint-config-lddubeau": "^4.1.0",
+    "typescript": "^3.6.2"
   },
   "homepage": "https://github.com/lddubeau/xmlchars#readme",
+  "husky": {
+    "hooks": {
+      "commit-msg": "commitlint -e $HUSKY_GIT_PARAMS"
+    }
+  },
   "keywords": [
     "XML",
     "validation"
@@ -62,7 +67,6 @@
   "scripts": {
     "build": "tsc && npm run copy",
     "clean": "rm -rf build",
-    "commitmsg": "commitlint -E GIT_PARAMS",
     "copy": "cp README.md LICENSE build/dist && sed -e'/\"private\": true/d' package.json > build/dist/package.json",
     "postpublish": "git push origin --follow-tags",
     "posttest": "tslint -p tsconfig.json && tslint -p test/tsconfig.json",
@@ -78,5 +82,5 @@
     "xmlchars:publish": "npm run test-install && (cd build/dist && npm publish)"
   },
   "types": "xmlchars.d.ts",
-  "version": "1.3.1"
+  "version": "2.2.0"
 }