chore(project): minify using terser

package-lock.json

@@ -1703,7 +1703,8 @@
       "version": "2.17.1",
       "resolved": "https://registry.npmjs.org/commander/-/commander-2.17.1.tgz",
       "integrity": "sha512-wPMUt6FnH2yzG95SA6mzjQOEKUU3aLaDEmzs1ti+1E9h+CsrZghRlqEM/EJ4KscsQVG8uNN4uVreUeT8+drlgg==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "commenting": {
       "version": "1.1.0",
@@ -7616,16 +7617,28 @@
         }
       }
     },
-    "rollup-plugin-uglify": {
-      "version": "6.0.2",
-      "resolved": "https://registry.npmjs.org/rollup-plugin-uglify/-/rollup-plugin-uglify-6.0.2.tgz",
-      "integrity": "sha512-qwz2Tryspn5QGtPUowq5oumKSxANKdrnfz7C0jm4lKxvRDsNe/hSGsB9FntUul7UeC4TsZEWKErVgE1qWSO0gw==",
+    "rollup-plugin-terser": {
+      "version": "5.1.1",
+      "resolved": "https://registry.npmjs.org/rollup-plugin-terser/-/rollup-plugin-terser-5.1.1.tgz",
+      "integrity": "sha512-McIMCDEY8EU6Y839C09UopeRR56wXHGdvKKjlfiZG/GrP6wvZQ62u2ko/Xh1MNH2M9WDL+obAAHySljIZYCuPQ==",
       "dev": true,
       "requires": {
         "@babel/code-frame": "^7.0.0",
-        "jest-worker": "^24.0.0",
-        "serialize-javascript": "^1.6.1",
-        "uglify-js": "^3.4.9"
+        "jest-worker": "^24.6.0",
+        "rollup-pluginutils": "^2.8.1",
+        "serialize-javascript": "^1.7.0",
+        "terser": "^4.1.0"
+      },
+      "dependencies": {
+        "rollup-pluginutils": {
+          "version": "2.8.1",
+          "resolved": "https://registry.npmjs.org/rollup-pluginutils/-/rollup-pluginutils-2.8.1.tgz",
+          "integrity": "sha512-J5oAoysWar6GuZo0s+3bZ6sVZAC0pfqKz68De7ZgDi5z63jOVZn1uJL/+z1jeKHNbGII8kAyHF5q8LnxSX5lQg==",
+          "dev": true,
+          "requires": {
+            "estree-walker": "^0.6.1"
+          }
+        }
       }
     },
     "rollup-pluginutils": {
@@ -9083,6 +9096,7 @@
       "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.4.9.tgz",
       "integrity": "sha512-8CJsbKOtEbnJsTyv6LE6m6ZKniqMiFWmm9sRbopbkGs3gMPPfd3Fh8iIA4Ykv5MgaTbqHr4BaoGLJLZNhsrW1Q==",
       "dev": true,
+      "optional": true,
       "requires": {
         "commander": "~2.17.1",
         "source-map": "~0.6.1"
@@ -9092,7 +9106,8 @@
           "version": "0.6.1",
           "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
           "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },

package.json

@@ -72,7 +72,7 @@
     "rollup-plugin-license": "^0.9.0",
     "rollup-plugin-node-resolve": "^5.1.0",
     "rollup-plugin-replace": "^2.2.0",
-    "rollup-plugin-uglify": "^6.0.2",
+    "rollup-plugin-terser": "^5.1.1",
     "sinon": "^7.3.2",
     "sinon-chai": "^3.2.0",
     "webpack": "^4.35.3"

rollup.config.js

@@ -1,4 +1,4 @@
-import { uglify } from 'rollup-plugin-uglify';
+import { terser } from 'rollup-plugin-terser';
 import nodeResolve from 'rollup-plugin-node-resolve';
 import commonjs from 'rollup-plugin-commonjs';
 import json from 'rollup-plugin-json';
@@ -56,7 +56,7 @@ const configs = distros.reduce(function(configs, distro) {
       },
       plugins: pgl([
         banner(output, true),
-        uglify({
+        terser({
           output: {
             comments: /license|@preserve/
           }