diff --git a/package.json b/package.json
index cb38e53..eb3087f 100644
--- a/package.json
+++ b/package.json
@@ -93,12 +93,12 @@
     "rimraf": "^3.0.0",
     "sinon": "^7.5.0",
     "sinon-chai": "^3.3.0",
+    "terser-webpack-plugin": "^2.3.5",
     "ts-loader": "^6.2.1",
     "ts-node": "^8.4.1",
     "tslint": "^5.20.0",
     "tslint-config-prettier": "^1.18.0",
     "typescript": "^3.6.4",
-    "uglifyjs-webpack-plugin": "^2.2.0",
     "webpack": "^4.41.2",
     "webpack-cli": "^3.3.10",
     "webpack-dev-server": "^3.9.0"
diff --git a/webpack.config.js b/webpack.config.js
index 6d708c1..d6b3b89 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -1,6 +1,6 @@
 const webpack = require("webpack");
 const path = require("path");
-const UglifyJsPlugin = require("uglifyjs-webpack-plugin");
+const TerserPlugin = require("terser-webpack-plugin");
 
 module.exports = env => {
   if (!env) env = { production: false, karma: false };
@@ -55,10 +55,10 @@ module.exports = env => {
           concatenateModules: true,
           minimize: true,
           minimizer: [
-            new UglifyJsPlugin({
+            new TerserPlugin({
               cache: true,
               parallel: 4,
-              uglifyOptions: {
+              terserOptions: {
                 output: {
                   comments: false
                 }
diff --git a/yarn.lock b/yarn.lock
index 7b24cee..b9ca3d8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -373,6 +373,14 @@ agent-base@^4.3.0:
   dependencies:
     es6-promisify "^5.0.0"
 
+aggregate-error@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.npmjs.org/aggregate-error/-/aggregate-error-3.0.1.tgz#db2fe7246e536f40d9b5442a39e117d7dd6a24e0"
+  integrity sha512-quoaXsZ9/BLNae5yiNoUz+Nhkwz83GhWwtYFglcjEQB2NDHCIpApbqXxIFnm4Pq/Nvhrsq5sYJFyohrrxnTGAA==
+  dependencies:
+    clean-stack "^2.0.0"
+    indent-string "^4.0.0"
+
 ajv-errors@^1.0.0:
   version "1.0.1"
   resolved "https://registry.npmjs.org/ajv-errors/-/ajv-errors-1.0.1.tgz#f35986aceb91afadec4102fbd85014950cefa64d"
@@ -990,6 +998,30 @@ cacache@^12.0.2:
     unique-filename "^1.1.1"
     y18n "^4.0.0"
 
+cacache@^13.0.1:
+  version "13.0.1"
+  resolved "https://registry.npmjs.org/cacache/-/cacache-13.0.1.tgz#a8000c21697089082f85287a1aec6e382024a71c"
+  integrity sha512-5ZvAxd05HDDU+y9BVvcqYu2LLXmPnQ0hW62h32g4xBTgL/MppR4/04NHfj/ycM2y6lmTnbw6HVi+1eN0Psba6w==
+  dependencies:
+    chownr "^1.1.2"
+    figgy-pudding "^3.5.1"
+    fs-minipass "^2.0.0"
+    glob "^7.1.4"
+    graceful-fs "^4.2.2"
+    infer-owner "^1.0.4"
+    lru-cache "^5.1.1"
+    minipass "^3.0.0"
+    minipass-collect "^1.0.2"
+    minipass-flush "^1.0.5"
+    minipass-pipeline "^1.2.2"
+    mkdirp "^0.5.1"
+    move-concurrently "^1.0.1"
+    p-map "^3.0.0"
+    promise-inflight "^1.0.1"
+    rimraf "^2.7.1"
+    ssri "^7.0.0"
+    unique-filename "^1.1.1"
+
 cache-base@^1.0.1:
   version "1.0.1"
   resolved "https://registry.npmjs.org/cache-base/-/cache-base-1.0.1.tgz#0a7f46416831c8b662ee36fe4e7c59d76f666ab2"
@@ -1105,6 +1137,11 @@ chownr@^1.1.1:
   resolved "https://registry.npmjs.org/chownr/-/chownr-1.1.3.tgz#42d837d5239688d55f303003a508230fa6727142"
   integrity sha512-i70fVHhmV3DtTl6nqvZOnIjbY0Pe4kAUjwHj8z0zAdgBtYrJyYwLKCCuRBQ5ppkyL0AkN7HKRnETdmdp1zqNXw==
 
+chownr@^1.1.2:
+  version "1.1.4"
+  resolved "https://registry.npmjs.org/chownr/-/chownr-1.1.4.tgz#6fc9d7b42d32a583596337666e7d08084da2cc6b"
+  integrity sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg==
+
 chrome-trace-event@^1.0.2:
   version "1.0.2"
   resolved "https://registry.npmjs.org/chrome-trace-event/-/chrome-trace-event-1.0.2.tgz#234090ee97c7d4ad1a2c4beae27505deffc608a4"
@@ -1135,6 +1172,11 @@ class-utils@^0.3.5:
     isobject "^3.0.0"
     static-extend "^0.1.1"
 
+clean-stack@^2.0.0:
+  version "2.2.0"
+  resolved "https://registry.npmjs.org/clean-stack/-/clean-stack-2.2.0.tgz#ee8472dbb129e727b31e8a10a427dee9dfe4008b"
+  integrity sha512-4diC9HaTE+KRAMWhDhrGOECgWZxoevMc5TlkObMqNSsVU62PYzXZ/SMTjzyGAFF1YusgxGcSWTEXBhp0CPwQ1A==
+
 cli-cursor@^1.0.2:
   version "1.0.2"
   resolved "https://registry.npmjs.org/cli-cursor/-/cli-cursor-1.0.2.tgz#64da3f7d56a54412e59794bd62dc35295e8f2987"
@@ -2288,6 +2330,15 @@ find-cache-dir@^2.1.0:
     make-dir "^2.0.0"
     pkg-dir "^3.0.0"
 
+find-cache-dir@^3.2.0:
+  version "3.2.0"
+  resolved "https://registry.npmjs.org/find-cache-dir/-/find-cache-dir-3.2.0.tgz#e7fe44c1abc1299f516146e563108fd1006c1874"
+  integrity sha512-1JKclkYYsf1q9WIJKLZa9S9muC+08RIjzAlLrK4QcYLJMS6mk9yombQ9qf+zJ7H9LS800k0s44L4sDq9VYzqyg==
+  dependencies:
+    commondir "^1.0.1"
+    make-dir "^3.0.0"
+    pkg-dir "^4.1.0"
+
 find-root@^0.1.1:
   version "0.1.2"
   resolved "https://registry.npmjs.org/find-root/-/find-root-0.1.2.tgz#98d2267cff1916ccaf2743b3a0eea81d79d7dcd1"
@@ -2300,6 +2351,14 @@ find-up@3.0.0, find-up@^3.0.0:
   dependencies:
     locate-path "^3.0.0"
 
+find-up@^4.0.0:
+  version "4.1.0"
+  resolved "https://registry.npmjs.org/find-up/-/find-up-4.1.0.tgz#97afe7d6cdc0bc5928584b7c8d7b16e8a9aa5d19"
+  integrity sha512-PpOwAdQ/YlXQ2vj8a3h8IipDuYRi3wceVQQGYWxNINccq40Anw7BlsEXCMbt1Zt+OLA6Fq9suIpIWD0OsnISlw==
+  dependencies:
+    locate-path "^5.0.0"
+    path-exists "^4.0.0"
+
 findup-sync@3.0.0:
   version "3.0.0"
   resolved "https://registry.npmjs.org/findup-sync/-/findup-sync-3.0.0.tgz#17b108f9ee512dfb7a5c7f3c8b27ea9e1a9c08d1"
@@ -2388,6 +2447,13 @@ fs-minipass@^1.2.5:
   dependencies:
     minipass "^2.6.0"
 
+fs-minipass@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.npmjs.org/fs-minipass/-/fs-minipass-2.1.0.tgz#7f5036fdbf12c63c169190cbe4199c852271f9fb"
+  integrity sha512-V/JgOLFCS+R6Vcq0slCuaeWEdNC3ouDlJMNIsacH2VtALiu9mV4LPrHc5cDl8k5aw6J8jwgWWpiTo5RYhmIzvg==
+  dependencies:
+    minipass "^3.0.0"
+
 fs-write-stream-atomic@^1.0.8:
   version "1.0.10"
   resolved "https://registry.npmjs.org/fs-write-stream-atomic/-/fs-write-stream-atomic-1.0.10.tgz#b47df53493ef911df75731e70a9ded0189db40c9"
@@ -2685,7 +2751,7 @@ glslify@^7.0.0:
     through2 "^2.0.1"
     xtend "^4.0.0"
 
-graceful-fs@^4.1.11, graceful-fs@^4.1.15, graceful-fs@^4.1.2, graceful-fs@^4.1.3, graceful-fs@^4.1.6:
+graceful-fs@^4.1.11, graceful-fs@^4.1.15, graceful-fs@^4.1.2, graceful-fs@^4.1.3, graceful-fs@^4.1.6, graceful-fs@^4.2.2:
   version "4.2.3"
   resolved "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.3.tgz#4a12ff1b60376ef09862c2093edd908328be8423"
   integrity sha512-a30VEBm4PEdx1dRB7MFK7BejejvCvBronbLjht+sHuGYj8PHs7M/5Z+rt5lw551vZ7yfTCj4Vuyy3mSJytDWRQ==
@@ -2735,6 +2801,11 @@ has-flag@^3.0.0:
   resolved "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz#b5d454dc2199ae225699f3467e5a07f3b955bafd"
   integrity sha1-tdRU3CGZriJWmfNGfloH87lVuv0=
 
+has-flag@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz#944771fd9c81c81265c4d6941860da06bb59479b"
+  integrity sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ==
+
 has-symbols@^1.0.0:
   version "1.0.0"
   resolved "https://registry.npmjs.org/has-symbols/-/has-symbols-1.0.0.tgz#ba1a8f1af2a0fc39650f5c850367704122063b44"
@@ -2954,12 +3025,17 @@ imurmurhash@^0.1.4:
   resolved "https://registry.npmjs.org/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
   integrity sha1-khi5srkoojixPcT7a21XbyMUU+o=
 
+indent-string@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.npmjs.org/indent-string/-/indent-string-4.0.0.tgz#624f8f4497d619b2d9768531d58f4122854d7251"
+  integrity sha512-EdDDZu4A2OyIK7Lr/2zG+w5jmbuk1DVBnEwREQvBzspBJkCEbRa8GxU1lghYcaGJCnRWibjDXlq779X1/y5xwg==
+
 indexof@0.0.1:
   version "0.0.1"
   resolved "https://registry.npmjs.org/indexof/-/indexof-0.0.1.tgz#82dc336d232b9062179d05ab3293a66059fd435d"
   integrity sha1-gtwzbSMrkGIXnQWrMpOmYFn9Q10=
 
-infer-owner@^1.0.3:
+infer-owner@^1.0.3, infer-owner@^1.0.4:
   version "1.0.4"
   resolved "https://registry.npmjs.org/infer-owner/-/infer-owner-1.0.4.tgz#c4cefcaa8e51051c2a40ba2ce8a3d27295af9467"
   integrity sha512-IClj+Xz94+d7irH5qRyfJonOdfTzuDaifE6ZPWfx0N0+/ATZCbuTPq2prFl526urkQd90WyUKIh1DfBQ2hMz9A==
@@ -3418,6 +3494,14 @@ istanbul-reports@^2.2.4:
   dependencies:
     handlebars "^4.1.2"
 
+jest-worker@^25.1.0:
+  version "25.1.0"
+  resolved "https://registry.npmjs.org/jest-worker/-/jest-worker-25.1.0.tgz#75d038bad6fdf58eba0d2ec1835856c497e3907a"
+  integrity sha512-ZHhHtlxOWSxCoNOKHGbiLzXnl42ga9CxDr27H36Qn+15pQZd3R/F24jrmjDelw9j/iHUIWMWs08/u2QN50HHOg==
+  dependencies:
+    merge-stream "^2.0.0"
+    supports-color "^7.0.0"
+
 "js-tokens@^3.0.0 || ^4.0.0", js-tokens@^4.0.0:
   version "4.0.0"
   resolved "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
@@ -3653,6 +3737,13 @@ locate-path@^3.0.0:
     p-locate "^3.0.0"
     path-exists "^3.0.0"
 
+locate-path@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.npmjs.org/locate-path/-/locate-path-5.0.0.tgz#1afba396afd676a6d42504d0a67a3a7eb9f62aa0"
+  integrity sha512-t7hw9pI+WvuwNJXwk5zVHpyhIqzg2qTlklJOf0mVxGSbe3Fp2VieZcduNYjaLDoy6p9uGpQEGWG87WpMKlNq8g==
+  dependencies:
+    p-locate "^4.1.0"
+
 lodash.toarray@^4.4.0:
   version "4.4.0"
   resolved "https://registry.npmjs.org/lodash.toarray/-/lodash.toarray-4.4.0.tgz#24c4bfcd6b2fba38bfd0594db1179d8e9b656561"
@@ -3734,6 +3825,13 @@ make-dir@^2.0.0, make-dir@^2.1.0:
     pify "^4.0.1"
     semver "^5.6.0"
 
+make-dir@^3.0.0:
+  version "3.0.2"
+  resolved "https://registry.npmjs.org/make-dir/-/make-dir-3.0.2.tgz#04a1acbf22221e1d6ef43559f43e05a90dbb4392"
+  integrity sha512-rYKABKutXa6vXTXhoV18cBE7PaewPXHe/Bdq4v+ZLMhxbWApkFFplT0LcbMW+6BbjnQXzZ/sAvSE/JdguApG5w==
+  dependencies:
+    semver "^6.0.0"
+
 make-error@^1.1.1:
   version "1.3.5"
   resolved "https://registry.npmjs.org/make-error/-/make-error-1.3.5.tgz#efe4e81f6db28cadd605c70f29c831b58ef776c8"
@@ -3814,6 +3912,11 @@ merge-descriptors@1.0.1:
   resolved "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.1.tgz#b00aaa556dd8b44568150ec9d1b953f3f90cbb61"
   integrity sha1-sAqqVW3YtEVoFQ7J0blT8/kMu2E=
 
+merge-stream@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.npmjs.org/merge-stream/-/merge-stream-2.0.0.tgz#52823629a14dd00c9770fb6ad47dc6310f2c1f60"
+  integrity sha512-abv/qOcuPfk3URPfDzmZU1LKmuw8kT+0nIHvKrKgFrwifol/doWcdA4ZqsWQ8ENrFKkd67Mfpo/LovbIUsbt3w==
+
 methods@~1.1.2:
   version "1.1.2"
   resolved "https://registry.npmjs.org/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
@@ -3923,6 +4026,27 @@ minimist@~0.0.1:
   resolved "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
   integrity sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8=
 
+minipass-collect@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.npmjs.org/minipass-collect/-/minipass-collect-1.0.2.tgz#22b813bf745dc6edba2576b940022ad6edc8c617"
+  integrity sha512-6T6lH0H8OG9kITm/Jm6tdooIbogG9e0tLgpY6mphXSm/A9u8Nq1ryBG+Qspiub9LjWlBPsPS3tWQ/Botq4FdxA==
+  dependencies:
+    minipass "^3.0.0"
+
+minipass-flush@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.npmjs.org/minipass-flush/-/minipass-flush-1.0.5.tgz#82e7135d7e89a50ffe64610a787953c4c4cbb373"
+  integrity sha512-JmQSYYpPUqX5Jyn1mXaRwOda1uQ8HP5KAT/oDSLCzt1BYRhQU0/hDtsB1ufZfEEzMZ9aAVmsBw8+FWsIXlClWw==
+  dependencies:
+    minipass "^3.0.0"
+
+minipass-pipeline@^1.2.2:
+  version "1.2.2"
+  resolved "https://registry.npmjs.org/minipass-pipeline/-/minipass-pipeline-1.2.2.tgz#3dcb6bb4a546e32969c7ad710f2c79a86abba93a"
+  integrity sha512-3JS5A2DKhD2g0Gg8x3yamO0pj7YeKGwVlDS90pF++kxptwx/F+B//roxf9SqYil5tQo65bijy+dAuAFZmYOouA==
+  dependencies:
+    minipass "^3.0.0"
+
 minipass@^2.6.0, minipass@^2.8.6, minipass@^2.9.0:
   version "2.9.0"
   resolved "https://registry.npmjs.org/minipass/-/minipass-2.9.0.tgz#e713762e7d3e32fed803115cf93e04bca9fcc9a6"
@@ -3931,6 +4055,13 @@ minipass@^2.6.0, minipass@^2.8.6, minipass@^2.9.0:
     safe-buffer "^5.1.2"
     yallist "^3.0.0"
 
+minipass@^3.0.0, minipass@^3.1.1:
+  version "3.1.1"
+  resolved "https://registry.npmjs.org/minipass/-/minipass-3.1.1.tgz#7607ce778472a185ad6d89082aa2070f79cedcd5"
+  integrity sha512-UFqVihv6PQgwj8/yTGvl9kPz7xIAY+R5z6XYjRInD3Gk3qx6QGSD6zEcpeG4Dy/lQnv1J6zv8ejV90hyYIKf3w==
+  dependencies:
+    yallist "^4.0.0"
+
 minizlib@^1.2.1:
   version "1.3.3"
   resolved "https://registry.npmjs.org/minizlib/-/minizlib-1.3.3.tgz#2290de96818a34c29551c8a8d301216bd65a861d"
@@ -4432,6 +4563,13 @@ p-limit@^2.0.0:
   dependencies:
     p-try "^2.0.0"
 
+p-limit@^2.2.0, p-limit@^2.2.2:
+  version "2.2.2"
+  resolved "https://registry.npmjs.org/p-limit/-/p-limit-2.2.2.tgz#61279b67721f5287aa1c13a9a7fbbc48c9291b1e"
+  integrity sha512-WGR+xHecKTr7EbUEhyLSh5Dube9JtdiG78ufaeLxTgpudf/20KqyMioIUZJAezlTIi6evxuoUs9YXc11cU+yzQ==
+  dependencies:
+    p-try "^2.0.0"
+
 p-locate@^3.0.0:
   version "3.0.0"
   resolved "https://registry.npmjs.org/p-locate/-/p-locate-3.0.0.tgz#322d69a05c0264b25997d9f40cd8a891ab0064a4"
@@ -4439,11 +4577,25 @@ p-locate@^3.0.0:
   dependencies:
     p-limit "^2.0.0"
 
+p-locate@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.npmjs.org/p-locate/-/p-locate-4.1.0.tgz#a3428bb7088b3a60292f66919278b7c297ad4f07"
+  integrity sha512-R79ZZ/0wAxKGu3oYMlz8jy/kbhsNrS7SKZ7PxEHBgJ5+F2mtFW2fK2cOtBh1cHYkQsbzFV7I+EoRKe6Yt0oK7A==
+  dependencies:
+    p-limit "^2.2.0"
+
 p-map@^2.0.0:
   version "2.1.0"
   resolved "https://registry.npmjs.org/p-map/-/p-map-2.1.0.tgz#310928feef9c9ecc65b68b17693018a665cea175"
   integrity sha512-y3b8Kpd8OAN444hxfBbFfj1FY/RjtTd8tzYwhUqNYXx0fXx2iX4maP4Qr6qhIKbQXI02wTLAda4fYUbDagTUFw==
 
+p-map@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.npmjs.org/p-map/-/p-map-3.0.0.tgz#d704d9af8a2ba684e2600d9a215983d4141a979d"
+  integrity sha512-d3qXVTF/s+W+CdJ5A29wywV2n8CQQYahlgz2bFiA+4eVNJbHJodPZ+/gXwPGh0bOqA+j8S+6+ckmvLGPk1QpxQ==
+  dependencies:
+    aggregate-error "^3.0.0"
+
 p-retry@^3.0.1:
   version "3.0.1"
   resolved "https://registry.npmjs.org/p-retry/-/p-retry-3.0.1.tgz#316b4c8893e2c8dc1cfa891f406c4b422bebf328"
@@ -4526,6 +4678,11 @@ path-exists@^3.0.0:
   resolved "https://registry.npmjs.org/path-exists/-/path-exists-3.0.0.tgz#ce0ebeaa5f78cb18925ea7d810d7b59b010fd515"
   integrity sha1-zg6+ql94yxiSXqfYENe1mwEP1RU=
 
+path-exists@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.npmjs.org/path-exists/-/path-exists-4.0.0.tgz#513bdbe2d3b95d7762e8c1137efa195c6c61b5b3"
+  integrity sha512-ak9Qy5Q7jYb2Wwcey5Fpvg2KoAc/ZIhLSLOSBmRmygPsGwkVVt0fZa0qrtMz+m6tJTAHfZQ8FnmB4MG4LWy7/w==
+
 path-is-absolute@^1.0.0:
   version "1.0.1"
   resolved "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
@@ -4618,6 +4775,13 @@ pkg-dir@^3.0.0:
   dependencies:
     find-up "^3.0.0"
 
+pkg-dir@^4.1.0:
+  version "4.2.0"
+  resolved "https://registry.npmjs.org/pkg-dir/-/pkg-dir-4.2.0.tgz#f099133df7ede422e81d1d8448270eeb3e4261f3"
+  integrity sha512-HRDzbaKjC+AOWVXxAU/x54COGeIv9eb+6CkDSQoNTt4XyWoIJvuPsXizxu/Fr23EiekbtZwmh1IcIG/l/a10GQ==
+  dependencies:
+    find-up "^4.0.0"
+
 portfinder@^1.0.25:
   version "1.0.25"
   resolved "https://registry.npmjs.org/portfinder/-/portfinder-1.0.25.tgz#254fd337ffba869f4b9d37edc298059cb4d35eca"
@@ -5022,7 +5186,7 @@ rfdc@^1.1.4:
   resolved "https://registry.npmjs.org/rfdc/-/rfdc-1.1.4.tgz#ba72cc1367a0ccd9cf81a870b3b58bd3ad07f8c2"
   integrity sha512-5C9HXdzK8EAqN7JDif30jqsBzavB7wLpaubisuQIGHWf2gUXSpzy6ArX/+Da8RjFpagWsCn+pIgxTMAmKw9Zug==
 
-rimraf@^2.5.4, rimraf@^2.6.0, rimraf@^2.6.1, rimraf@^2.6.3:
+rimraf@^2.5.4, rimraf@^2.6.0, rimraf@^2.6.1, rimraf@^2.6.3, rimraf@^2.7.1:
   version "2.7.1"
   resolved "https://registry.npmjs.org/rimraf/-/rimraf-2.7.1.tgz#35797f13a7fdadc566142c29d4f07ccad483e3ec"
   integrity sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==
@@ -5108,6 +5272,14 @@ schema-utils@^1.0.0:
     ajv-errors "^1.0.0"
     ajv-keywords "^3.1.0"
 
+schema-utils@^2.6.4:
+  version "2.6.4"
+  resolved "https://registry.npmjs.org/schema-utils/-/schema-utils-2.6.4.tgz#a27efbf6e4e78689d91872ee3ccfa57d7bdd0f53"
+  integrity sha512-VNjcaUxVnEeun6B2fiiUDjXXBtD4ZSH7pdbfIu1pOFwgptDPLMo/z9jr4sUfsjFVPqDCEin/F7IYlq7/E6yDbQ==
+  dependencies:
+    ajv "^6.10.2"
+    ajv-keywords "^3.4.1"
+
 select-hose@^2.0.0:
   version "2.0.0"
   resolved "https://registry.npmjs.org/select-hose/-/select-hose-2.0.0.tgz#625d8658f865af43ec962bfc376a37359a4994ca"
@@ -5159,6 +5331,11 @@ serialize-javascript@^1.7.0:
   resolved "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-1.9.1.tgz#cfc200aef77b600c47da9bb8149c943e798c2fdb"
   integrity sha512-0Vb/54WJ6k5v8sSWN09S0ora+Hnr+cX40r9F170nT+mSkaxltoE/7R3OrIdBSUv1OoiobH1QoWQbCnAO+e8J1A==
 
+serialize-javascript@^2.1.2:
+  version "2.1.2"
+  resolved "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-2.1.2.tgz#ecec53b0e0317bdc95ef76ab7074b7384785fa61"
+  integrity sha512-rs9OggEUF0V4jUSecXazOYsLfu7OGK2qIn3c7IPBiffz32XniEp/TX9Xmc9LQfK2nQ2QKHvZ2oygKUGU0lG4jQ==
+
 serve-index@^1.9.1:
   version "1.9.1"
   resolved "https://registry.npmjs.org/serve-index/-/serve-index-1.9.1.tgz#d3768d69b1e7d82e5ce050fff5b453bea12a9239"
@@ -5454,6 +5631,14 @@ ssri@^6.0.1:
   dependencies:
     figgy-pudding "^3.5.1"
 
+ssri@^7.0.0:
+  version "7.1.0"
+  resolved "https://registry.npmjs.org/ssri/-/ssri-7.1.0.tgz#92c241bf6de82365b5c7fb4bd76e975522e1294d"
+  integrity sha512-77/WrDZUWocK0mvA5NTRQyveUf+wsrIc6vyrxpS8tVvYBcX215QbafrJR3KtkpskIzoFLqqNuuYQvxaMjXJ/0g==
+  dependencies:
+    figgy-pudding "^3.5.1"
+    minipass "^3.1.1"
+
 stack-trace@0.0.9:
   version "0.0.9"
   resolved "https://registry.npmjs.org/stack-trace/-/stack-trace-0.0.9.tgz#a8f6eaeca90674c333e7c43953f275b451510695"
@@ -5645,6 +5830,13 @@ supports-color@^5.3.0, supports-color@^5.5.0:
   dependencies:
     has-flag "^3.0.0"
 
+supports-color@^7.0.0:
+  version "7.1.0"
+  resolved "https://registry.npmjs.org/supports-color/-/supports-color-7.1.0.tgz#68e32591df73e25ad1c4b49108a2ec507962bfd1"
+  integrity sha512-oRSIpR8pxT1Wr2FquTNnGet79b3BWljqOuoW/h4oBhxJ/HUbX5nX6JSruTkvXDCFMwDPvsaTTbvMLKZWSy0R5g==
+  dependencies:
+    has-flag "^4.0.0"
+
 tapable@^1.0.0, tapable@^1.1.3:
   version "1.1.3"
   resolved "https://registry.npmjs.org/tapable/-/tapable-1.1.3.tgz#a1fccc06b58db61fd7a45da2da44f5f3a3e67ba2"
@@ -5678,6 +5870,21 @@ terser-webpack-plugin@^1.4.1:
     webpack-sources "^1.4.0"
     worker-farm "^1.7.0"
 
+terser-webpack-plugin@^2.3.5:
+  version "2.3.5"
+  resolved "https://registry.npmjs.org/terser-webpack-plugin/-/terser-webpack-plugin-2.3.5.tgz#5ad971acce5c517440ba873ea4f09687de2f4a81"
+  integrity sha512-WlWksUoq+E4+JlJ+h+U+QUzXpcsMSSNXkDy9lBVkSqDn1w23Gg29L/ary9GeJVYCGiNJJX7LnVc4bwL1N3/g1w==
+  dependencies:
+    cacache "^13.0.1"
+    find-cache-dir "^3.2.0"
+    jest-worker "^25.1.0"
+    p-limit "^2.2.2"
+    schema-utils "^2.6.4"
+    serialize-javascript "^2.1.2"
+    source-map "^0.6.1"
+    terser "^4.4.3"
+    webpack-sources "^1.4.3"
+
 terser@^4.1.2:
   version "4.3.9"
   resolved "https://registry.npmjs.org/terser/-/terser-4.3.9.tgz#e4be37f80553d02645668727777687dad26bbca8"
@@ -5687,6 +5894,15 @@ terser@^4.1.2:
     source-map "~0.6.1"
     source-map-support "~0.5.12"
 
+terser@^4.4.3:
+  version "4.6.3"
+  resolved "https://registry.npmjs.org/terser/-/terser-4.6.3.tgz#e33aa42461ced5238d352d2df2a67f21921f8d87"
+  integrity sha512-Lw+ieAXmY69d09IIc/yqeBqXpEQIpDGZqT34ui1QWXIUpR2RjbqEkT8X7Lgex19hslSqcWM5iMN2kM11eMsESQ==
+  dependencies:
+    commander "^2.20.0"
+    source-map "~0.6.1"
+    source-map-support "~0.5.12"
+
 through2@0.6.3:
   version "0.6.3"
   resolved "https://registry.npmjs.org/through2/-/through2-0.6.3.tgz#795292fde9f254c2a368b38f9cc5d1bd4663afb6"
@@ -5900,7 +6116,7 @@ typescript@^3.6.4:
   resolved "https://registry.npmjs.org/typescript/-/typescript-3.6.4.tgz#b18752bb3792bc1a0281335f7f6ebf1bbfc5b91d"
   integrity sha512-unoCll1+l+YK4i4F8f22TaNVPRHcD9PA3yCuZ8g5e0qGqlVlJ/8FSateOLLSagn+Yg5+ZwuPkL8LFUc0Jcvksg==
 
-uglify-js@^3.1.4, uglify-js@^3.6.0:
+uglify-js@^3.1.4:
   version "3.6.5"
   resolved "https://registry.npmjs.org/uglify-js/-/uglify-js-3.6.5.tgz#b0ee796d2ae7e25672e04f65629b997cd4b30bd6"
   integrity sha512-7L3W+Npia1OCr5Blp4/Vw83tK1mu5gnoIURtT1fUVfQ3Kf8WStWV6NJz0fdoBJZls0KlweruRTLVe6XLafmy5g==
@@ -5908,21 +6124,6 @@ uglify-js@^3.1.4, uglify-js@^3.6.0:
     commander "~2.20.3"
     source-map "~0.6.1"
 
-uglifyjs-webpack-plugin@^2.2.0:
-  version "2.2.0"
-  resolved "https://registry.npmjs.org/uglifyjs-webpack-plugin/-/uglifyjs-webpack-plugin-2.2.0.tgz#e75bc80e7f1937f725954c9b4c5a1e967ea9d0d7"
-  integrity sha512-mHSkufBmBuJ+KHQhv5H0MXijtsoA1lynJt1lXOaotja8/I0pR4L9oGaPIZw+bQBOFittXZg9OC1sXSGO9D9ZYg==
-  dependencies:
-    cacache "^12.0.2"
-    find-cache-dir "^2.1.0"
-    is-wsl "^1.1.0"
-    schema-utils "^1.0.0"
-    serialize-javascript "^1.7.0"
-    source-map "^0.6.1"
-    uglify-js "^3.6.0"
-    webpack-sources "^1.4.0"
-    worker-farm "^1.7.0"
-
 ultron@~1.1.0:
   version "1.1.1"
   resolved "https://registry.npmjs.org/ultron/-/ultron-1.1.1.tgz#9fe1536a10a664a65266a1e3ccf85fd36302bc9c"
@@ -6156,7 +6357,7 @@ webpack-log@^2.0.0:
     ansi-colors "^3.0.0"
     uuid "^3.3.2"
 
-webpack-sources@^1.4.0, webpack-sources@^1.4.1:
+webpack-sources@^1.4.0, webpack-sources@^1.4.1, webpack-sources@^1.4.3:
   version "1.4.3"
   resolved "https://registry.npmjs.org/webpack-sources/-/webpack-sources-1.4.3.tgz#eedd8ec0b928fbf1cbfe994e22d2d890f330a933"
   integrity sha512-lgTS3Xhv1lCOKo7SA5TjKXMjpSM4sBjNV5+q2bqesbSPs5FjGmU6jjtBSkX9b4qW87vDIsCIlUPOEhbZrMdjeQ==
@@ -6311,6 +6512,11 @@ yallist@^3.0.0, yallist@^3.0.2, yallist@^3.0.3:
   resolved "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz#dbb7daf9bfd8bac9ab45ebf602b8cbad0d5d08fd"
   integrity sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==
 
+yallist@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz#9bb92790d9c0effec63be73519e11a35019a3a72"
+  integrity sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==
+
 yargs-parser@13.1.1, yargs-parser@^13.1.0, yargs-parser@^13.1.1:
   version "13.1.1"
   resolved "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.1.tgz#d26058532aa06d365fe091f6a1fc06b2f7e5eca0"