scripts: shrink size further

package.json

@@ -29,7 +29,9 @@
   "devDependencies": {
     "bankai": "^2.0.2",
     "browserify": "^13.0.1",
+    "bundle-collapser": "^1.2.1",
     "dependency-check": "^2.5.1",
+    "es2020": "^1.0.1",
     "insert-css": "^0.2.0",
     "istanbul": "^0.4.3",
     "server-router": "^2.1.0",

scripts/test-size

@@ -1,13 +1,10 @@
 #!/bin/sh
 
-# browserify index.js --full-paths \
-#   -g unassertify \
-#   -t uglifyify \
-#   | discify --open
-
 browserify index.js \
   -g unassertify \
+  -g es2020 \
   -g uglifyify \
+  -p bundle-collapser/plugin \
   | uglifyjs \
   | gzip-size \
   | pretty-bytes