Update various 3rd party dependencies

Makefile

@@ -19,7 +19,6 @@ SASS			?= ./node_modules/.bin/node-sass
 SED				?= sed
 SPHINXBUILD	 	?= ./bin/sphinx-build
 SPHINXOPTS		=
-UGLIFYJS		?= node_modules/.bin/uglifyjs
 XGETTEXT		= xgettext
 
 

package.json

@@ -55,18 +55,14 @@
     "browser": "*"
   },
   "devDependencies": {
-    "@babel/cli": "^7.5.0",
-    "@babel/core": "^7.5.4",
+    "@babel/cli": "^7.8.4",
+    "@babel/core": "^7.9.0",
     "@babel/plugin-proposal-nullish-coalescing-operator": "^7.8.3",
     "@babel/plugin-proposal-optional-chaining": "^7.9.0",
     "@babel/plugin-syntax-dynamic-import": "^7.2.0",
     "@babel/preset-env": "^7.9.5",
     "@converse/headless": "file:src/headless",
     "@fortawesome/fontawesome-free": "5.13.0",
-    "@lit-element-bootstrap/button": "^1.0.0",
-    "@lit-element-bootstrap/button-group": "^1.0.0",
-    "@lit-element-bootstrap/dropdown": "^1.0.0-alpha.4",
-    "@open-wc/building-webpack": "^2.12.0",
     "autoprefixer": "^9.7.6",
     "babel-eslint": "^10.1.0",
     "babel-loader": "^8.1.0",
@@ -89,7 +85,7 @@
     "imports-loader": "^0.8.0",
     "install": "^0.13.0",
     "jasmine-core": "2.99.1",
-    "jsdoc": "^3.6.2",
+    "jsdoc": "^3.6.4",
     "lerna": "^3.20.2",
     "lit-html": "^1.2.1",
     "lodash-template-webpack-loader": "jcbrand/lodash-template-webpack-loader",
@@ -101,15 +97,13 @@
     "po2json": "^1.0.0-beta",
     "postcss-clean": "^1.1.0",
     "postcss-loader": "^3.0.0",
-    "prettierx": "^0.11.0",
+    "prettierx": "^0.11.2",
     "requirejs": "2.3.6",
     "run-headless-chromium": "^0.1.1",
     "sass-loader": "^8.0.2",
     "sinon": "^9.0.2",
     "sizzle": "^2.3.5",
-    "style-loader": "^0.23.1",
-    "uglify-es": "^3.3.9",
-    "uglify-js": "^3.8.1",
+    "style-loader": "^1.1.4",
     "urijs": "^1.19.2",
     "webpack": "^4.42.1",
     "webpack-cli": "^3.3.11",

src/headless/package-lock.json

@@ -5,9 +5,9 @@
 	"requires": true,
 	"dependencies": {
 		"filesize": {
-			"version": "4.2.1",
-			"resolved": "https://registry.npmjs.org/filesize/-/filesize-4.2.1.tgz",
-			"integrity": "sha512-bP82Hi8VRZX/TUBKfE24iiUGsB/sfm2WUrwTQyAzQrhO3V9IhcBBNBXMyzLY5orACxRyYJ3d2HeRVX+eFv4lmA==",
+			"version": "6.1.0",
+			"resolved": "https://registry.npmjs.org/filesize/-/filesize-6.1.0.tgz",
+			"integrity": "sha512-LpCHtPQ3sFx67z+uh2HnSyWSLLu5Jxo21795uRDuar/EOuYWXib5EmPaGIBuSnRqH2IODiKA2k5re/K9OnN/Yg==",
 			"dev": true
 		},
 		"fs-extra": {
@@ -94,8 +94,8 @@
 			}
 		},
 		"skeletor.js": {
-			"version": "github:skeletorjs/skeletor#dea2d5791ee894493e30b92662c953efec0e58f6",
-			"from": "github:skeletorjs/skeletor#dea2d5791ee894493e30b92662c953efec0e58f6",
+			"version": "github:skeletorjs/skeletor#bf6d9c86f9fcf224fa9d9af5a25380b77aa4b561",
+			"from": "github:skeletorjs/skeletor#bf6d9c86f9fcf224fa9d9af5a25380b77aa4b561",
 			"dev": true,
 			"requires": {
 				"lodash": "^4.17.14"