use terser and clean-css directly

create a sourcemap as well by default

node_modules/acorn-globals/README.md

@@ -2,6 +2,8 @@
 
 Detect global variables in JavaScript using acorn
 
+[Get supported acorn-globals with the Tidelift Subscription](https://tidelift.com/subscription/pkg/npm-acorn_globals?utm_source=npm-acorn-globals&utm_medium=referral&utm_campaign=readme)
+
 [![Build Status](https://img.shields.io/travis/ForbesLindesay/acorn-globals/master.svg)](https://travis-ci.org/ForbesLindesay/acorn-globals)
 [![Dependency Status](https://img.shields.io/david/ForbesLindesay/acorn-globals.svg)](https://david-dm.org/ForbesLindesay/acorn-globals)
 [![NPM version](https://img.shields.io/npm/v/acorn-globals.svg)](https://www.npmjs.org/package/acorn-globals)
@@ -70,6 +72,9 @@ $ node example/detect.js
   { name: 'xyz', nodes: [ [Object] ] } ]
 ```
 
+## Security contact information
+
+To report a security vulnerability, please use the [Tidelift security contact](https://tidelift.com/security). Tidelift will coordinate the fix and disclosure.
 
 ## License
 

node_modules/acorn-globals/index.js

@@ -46,7 +46,7 @@ function findGlobals(source, options) {
   }
   var declareFunction = function (node) {
     var fn = node;
-    fn.locals = fn.locals || {};
+    fn.locals = fn.locals || Object.create(null);
     node.params.forEach(function (node) {
       declarePattern(node, fn);
     });
@@ -54,6 +54,12 @@ function findGlobals(source, options) {
       fn.locals[node.id.name] = true;
     }
   };
+  var declareClass = function (node) {
+    node.locals = node.locals || Object.create(null);
+    if (node.id) {
+      node.locals[node.id.name] = true;
+    }
+  };
   var declarePattern = function (node, parent) {
     switch (node.type) {
       case 'Identifier':
@@ -81,7 +87,7 @@ function findGlobals(source, options) {
     }
   };
   var declareModuleSpecifier = function (node, parents) {
-    ast.locals = ast.locals || {};
+    ast.locals = ast.locals || Object.create(null);
     ast.locals[node.local.name] = true;
   };
   walk.ancestor(ast, {
@@ -92,7 +98,7 @@ function findGlobals(source, options) {
           parent = parents[i];
         }
       }
-      parent.locals = parent.locals || {};
+      parent.locals = parent.locals || Object.create(null);
       node.declarations.forEach(function (declaration) {
         declarePattern(declaration.id, parent);
       });
@@ -104,7 +110,7 @@ function findGlobals(source, options) {
           parent = parents[i];
         }
       }
-      parent.locals = parent.locals || {};
+      parent.locals = parent.locals || Object.create(null);
       if (node.id) {
         parent.locals[node.id.name] = true;
       }
@@ -114,19 +120,21 @@ function findGlobals(source, options) {
     'ClassDeclaration': function (node, parents) {
       var parent = null;
       for (var i = parents.length - 2; i >= 0 && parent === null; i--) {
-        if (isScope(parents[i])) {
+        if (isBlockScope(parents[i])) {
           parent = parents[i];
         }
       }
-      parent.locals = parent.locals || {};
+      parent.locals = parent.locals || Object.create(null);
       if (node.id) {
         parent.locals[node.id.name] = true;
       }
+      declareClass(node);
     },
+    'Class': declareClass,
     'TryStatement': function (node) {
       if (node.handler === null) return;
-      node.handler.locals = node.handler.locals || {};
-      node.handler.locals[node.handler.param.name] = true;
+      node.handler.locals = node.handler.locals || Object.create(null);
+      declarePattern(node.handler.param, node.handler);
     },
     'ImportDefaultSpecifier': declareModuleSpecifier,
     'ImportSpecifier': declareModuleSpecifier,
@@ -159,7 +167,7 @@ function findGlobals(source, options) {
       globals.push(node);
     }
   });
-  var groupedGlobals = {};
+  var groupedGlobals = Object.create(null);
   globals.forEach(function (node) {
     var name = node.type === 'ThisExpression' ? 'this' : node.name;
     groupedGlobals[name] = (groupedGlobals[name] || []);

node_modules/acorn-globals/package.json

@@ -1,8 +1,8 @@
 {
   "_from": "acorn-globals@^4.3.0",
-  "_id": "acorn-globals@4.3.1",
+  "_id": "acorn-globals@4.3.4",
   "_inBundle": false,
-  "_integrity": "sha512-gJSiKY8dBIjV/0jagZIFBdVMtfQyA5QHCvAT48H2q8REQoW8Fs5AOjqBql1LgSXgrMWdevcE+8cdZ33NtVbIBA==",
+  "_integrity": "sha512-clfQEh21R+D0leSbUdWf3OcfqyaCSAQ8Ryq00bofSekfr9W8u1jyYZo6ir0xu9Gtcf7BjcHJpnbZH7JOCpP60A==",
   "_location": "/acorn-globals",
   "_phantomChildren": {},
   "_requested": {
@@ -18,8 +18,8 @@
   "_requiredBy": [
     "/jsdom"
   ],
-  "_resolved": "https://registry.npmjs.org/acorn-globals/-/acorn-globals-4.3.1.tgz",
-  "_shasum": "deb149c59276657ebd40ba2ba849ddd529763ccf",
+  "_resolved": "https://registry.npmjs.org/acorn-globals/-/acorn-globals-4.3.4.tgz",
+  "_shasum": "9fa1926addc11c97308c4e66d7add0d40c3272e7",
   "_spec": "acorn-globals@^4.3.0",
   "_where": "F:\\projects\\p\\minifyfromhtml\\node_modules\\jsdom",
   "author": {
@@ -62,5 +62,5 @@
   "scripts": {
     "test": "node test"
   },
-  "version": "4.3.1"
+  "version": "4.3.4"
 }