diff --git a/karma.conf.js b/karma.conf.js
index dd02711d6..f74f2d122 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -3,6 +3,16 @@
 
 module.exports = function(config) {
   config.set({
+    karmaTypescriptConfig: {
+      compilerOptions: {
+        module: 'commonjs',
+        lib: ['dom', 'es6'],
+        target: 'es5',
+        sourceMap: true,
+        declaration: true
+      }
+    },
+
 
     // base path that will be used to resolve all patterns (eg. files, exclude)
     basePath: '',
@@ -10,13 +20,14 @@ module.exports = function(config) {
 
     // frameworks to use
     // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
-    frameworks: ['jasmine'],
+    frameworks: ['jasmine', 'karma-typescript'],
 
 
     // list of files / patterns to load in the browser
     files: [
       'dist/gridstack.all.js',
       'spec/*-spec.js',
+      'src/**/*.ts'
       // 'spec/e2e/*-spec.js' issues with ReferenceError: `browser` & `element` is not defined
     ],
 
@@ -33,14 +44,15 @@ module.exports = function(config) {
       'src/gridstack.engine.ts': ['coverage'],
       'src/gridstack.ts': ['coverage'],
       'src/jqueryui-gridstack-dragdrop-plugin.ts': ['coverage'],
-      'src/utils.ts': ['coverage']
+      'src/utils.ts': ['coverage'],
+      'src/*.ts': ['karma-typescript']
     },
 
 
     // test results reporter to use
     // possible values: 'dots', 'progress'
     // available reporters: https://npmjs.org/browse/keyword/karma-reporter
-    reporters: ['progress', 'coverage', 'coveralls'],
+    reporters: ['progress', 'coverage', 'coveralls', 'karma-typescript'],
 
     coverageReporter: {
       type: 'lcov', // lcov or lcovonly are required for generating lcov.info files
diff --git a/package.json b/package.json
index e0ccecc16..4cf74b964 100644
--- a/package.json
+++ b/package.json
@@ -70,6 +70,7 @@
     "karma-coverage": "^2.0.1",
     "karma-coveralls": "^2.1.0",
     "karma-jasmine": "^3.1.1",
+    "karma-typescript": "^5.0.0",
     "node-sass": "^4.13.1",
     "puppeteer": "^2.1.1",
     "serve-static": "^1.14.1",
diff --git a/yarn.lock b/yarn.lock
index a64e7ead3..9b36561c1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9,6 +9,27 @@
   dependencies:
     "@babel/highlight" "^7.8.3"
 
+"@babel/core@^7.7.5":
+  version "7.8.7"
+  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.8.7.tgz#b69017d221ccdeb203145ae9da269d72cf102f3b"
+  integrity sha512-rBlqF3Yko9cynC5CCFy6+K/w2N+Sq/ff2BPy+Krp7rHlABIr5epbA7OxVeKoMHB39LZOp1UY5SuLjy6uWi35yA==
+  dependencies:
+    "@babel/code-frame" "^7.8.3"
+    "@babel/generator" "^7.8.7"
+    "@babel/helpers" "^7.8.4"
+    "@babel/parser" "^7.8.7"
+    "@babel/template" "^7.8.6"
+    "@babel/traverse" "^7.8.6"
+    "@babel/types" "^7.8.7"
+    convert-source-map "^1.7.0"
+    debug "^4.1.0"
+    gensync "^1.0.0-beta.1"
+    json5 "^2.1.0"
+    lodash "^4.17.13"
+    resolve "^1.3.2"
+    semver "^5.4.1"
+    source-map "^0.5.0"
+
 "@babel/generator@^7.4.0", "@babel/generator@^7.8.4":
   version "7.8.4"
   resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.8.4.tgz#35bbc74486956fe4251829f9f6c48330e8d0985e"
@@ -19,6 +40,16 @@
     lodash "^4.17.13"
     source-map "^0.5.0"
 
+"@babel/generator@^7.8.6", "@babel/generator@^7.8.7":
+  version "7.8.8"
+  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.8.8.tgz#cdcd58caab730834cee9eeadb729e833b625da3e"
+  integrity sha512-HKyUVu69cZoclptr8t8U5b6sx6zoWjh8jiUhnuj3MpZuKT2dJ8zPTuiy31luq32swhI0SpwItCIlU8XW7BZeJg==
+  dependencies:
+    "@babel/types" "^7.8.7"
+    jsesc "^2.5.1"
+    lodash "^4.17.13"
+    source-map "^0.5.0"
+
 "@babel/helper-function-name@^7.8.3":
   version "7.8.3"
   resolved "https://registry.yarnpkg.com/@babel/helper-function-name/-/helper-function-name-7.8.3.tgz#eeeb665a01b1f11068e9fb86ad56a1cb1a824cca"
@@ -42,6 +73,15 @@
   dependencies:
     "@babel/types" "^7.8.3"
 
+"@babel/helpers@^7.8.4":
+  version "7.8.4"
+  resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.8.4.tgz#754eb3ee727c165e0a240d6c207de7c455f36f73"
+  integrity sha512-VPbe7wcQ4chu4TDQjimHv/5tj73qz88o12EPkO2ValS2QiQS/1F2SsjyIGNnAD0vF/nZS6Cf9i+vW6HIlnaR8w==
+  dependencies:
+    "@babel/template" "^7.8.3"
+    "@babel/traverse" "^7.8.4"
+    "@babel/types" "^7.8.3"
+
 "@babel/highlight@^7.8.3":
   version "7.8.3"
   resolved "https://registry.yarnpkg.com/@babel/highlight/-/highlight-7.8.3.tgz#28f173d04223eaaa59bc1d439a3836e6d1265797"
@@ -56,6 +96,11 @@
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.8.4.tgz#d1dbe64691d60358a974295fa53da074dd2ce8e8"
   integrity sha512-0fKu/QqildpXmPVaRBoXOlyBb3MC+J0A66x97qEfLOMkn3u6nfY5esWogQwi/K0BjASYy4DbnsEWnpNL6qT5Mw==
 
+"@babel/parser@^7.7.5", "@babel/parser@^7.8.6", "@babel/parser@^7.8.7":
+  version "7.8.8"
+  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.8.8.tgz#4c3b7ce36db37e0629be1f0d50a571d2f86f6cd4"
+  integrity sha512-mO5GWzBPsPf6865iIbzNE0AvkKF3NE+2S3eRUpE+FE07BOAkXh6G+GW/Pj01hhXjve1WScbaIO4UlY1JKeqCcA==
+
 "@babel/template@^7.4.0", "@babel/template@^7.8.3":
   version "7.8.3"
   resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.8.3.tgz#e02ad04fe262a657809327f578056ca15fd4d1b8"
@@ -65,6 +110,15 @@
     "@babel/parser" "^7.8.3"
     "@babel/types" "^7.8.3"
 
+"@babel/template@^7.7.4", "@babel/template@^7.8.6":
+  version "7.8.6"
+  resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.8.6.tgz#86b22af15f828dfb086474f964dcc3e39c43ce2b"
+  integrity sha512-zbMsPMy/v0PWFZEhQJ66bqjhH+z0JgMoBWuikXybgG3Gkd/3t5oQ1Rw2WQhnSrsOmsKXnZOx15tkC4qON/+JPg==
+  dependencies:
+    "@babel/code-frame" "^7.8.3"
+    "@babel/parser" "^7.8.6"
+    "@babel/types" "^7.8.6"
+
 "@babel/traverse@^7.4.3":
   version "7.8.4"
   resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.8.4.tgz#f0845822365f9d5b0e312ed3959d3f827f869e3c"
@@ -80,6 +134,21 @@
     globals "^11.1.0"
     lodash "^4.17.13"
 
+"@babel/traverse@^7.7.4", "@babel/traverse@^7.8.4", "@babel/traverse@^7.8.6":
+  version "7.8.6"
+  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.8.6.tgz#acfe0c64e1cd991b3e32eae813a6eb564954b5ff"
+  integrity sha512-2B8l0db/DPi8iinITKuo7cbPznLCEk0kCxDoB9/N6gGNg/gxOXiR/IcymAFPiBwk5w6TtQ27w4wpElgp9btR9A==
+  dependencies:
+    "@babel/code-frame" "^7.8.3"
+    "@babel/generator" "^7.8.6"
+    "@babel/helper-function-name" "^7.8.3"
+    "@babel/helper-split-export-declaration" "^7.8.3"
+    "@babel/parser" "^7.8.6"
+    "@babel/types" "^7.8.6"
+    debug "^4.1.0"
+    globals "^11.1.0"
+    lodash "^4.17.13"
+
 "@babel/types@^7.4.0", "@babel/types@^7.8.3":
   version "7.8.3"
   resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.8.3.tgz#5a383dffa5416db1b73dedffd311ffd0788fb31c"
@@ -89,6 +158,20 @@
     lodash "^4.17.13"
     to-fast-properties "^2.0.0"
 
+"@babel/types@^7.8.6", "@babel/types@^7.8.7":
+  version "7.8.7"
+  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.8.7.tgz#1fc9729e1acbb2337d5b6977a63979b4819f5d1d"
+  integrity sha512-k2TreEHxFA4CjGkL+GYjRyx35W0Mr7DP5+9q6WMkyKXB+904bYmG40syjMFV0oLlhhFCwWl0vA0DyzTDkwAiJw==
+  dependencies:
+    esutils "^2.0.2"
+    lodash "^4.17.13"
+    to-fast-properties "^2.0.0"
+
+"@istanbuljs/schema@^0.1.2":
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/@istanbuljs/schema/-/schema-0.1.2.tgz#26520bf09abe4a5644cd5414e37125a8954241dd"
+  integrity sha512-tsAQNx32a8CoFhjhijUIhI4kccIAgmGhy8LZMZgGfmXcpMbPRUqn5LWmgRttILi6yeGmBJd2xsPkFMs0PzgPCw==
+
 "@textlint/ast-node-types@^4.0.3":
   version "4.2.5"
   resolved "https://registry.yarnpkg.com/@textlint/ast-node-types/-/ast-node-types-4.2.5.tgz#ae13981bc8711c98313a6ac1c361194d6bf2d39b"
@@ -373,6 +456,11 @@ acorn-jsx@^5.1.0:
   resolved "https://registry.yarnpkg.com/acorn-jsx/-/acorn-jsx-5.1.0.tgz#294adb71b57398b0680015f0a38c563ee1db5384"
   integrity sha512-tMUqwBWfLFbJbizRmEcWSLw6HnFzfdJs2sOJEOwwtVPMoH/0Ay+E703oZz78VSXZiiDcZrQ5XKjPIUQixhmgVw==
 
+acorn-walk@^7.0.0:
+  version "7.1.1"
+  resolved "https://registry.yarnpkg.com/acorn-walk/-/acorn-walk-7.1.1.tgz#345f0dffad5c735e7373d2fec9a1023e6a44b83e"
+  integrity sha512-wdlPY2tm/9XBr7QkKlq0WQVgiuGTX6YWPyRyBviSoScBuLfTVQhvwg6wJ369GJ/1nPfTLMfnrFIfjqVg6d+jQQ==
+
 acorn@^6.2.1:
   version "6.4.1"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.4.1.tgz#531e58ba3f51b9dacb9a6646ca4debf5b14ca474"
@@ -612,6 +700,16 @@ assert@^1.1.1:
     object-assign "^4.1.1"
     util "0.10.3"
 
+assert@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/assert/-/assert-2.0.0.tgz#95fc1c616d48713510680f2eaf2d10dd22e02d32"
+  integrity sha512-se5Cd+js9dXJnu6Ag2JFc00t+HmHOen+8Q+L7O9zI0PqQXr20uk2J0XQqMxZEeo5U50o8Nvmmx7dZrl+Ufr35A==
+  dependencies:
+    es6-object-assign "^1.1.0"
+    is-nan "^1.2.1"
+    object-is "^1.0.1"
+    util "^0.12.0"
+
 assign-symbols@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/assign-symbols/-/assign-symbols-1.0.0.tgz#59667f41fadd4f20ccbc2bb96b8d4f7f78ec0367"
@@ -649,6 +747,11 @@ async@^2.6.0, async@^2.6.1, async@^2.6.2:
   dependencies:
     lodash "^4.17.14"
 
+async@^3.0.1:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/async/-/async-3.2.0.tgz#b3a2685c5ebb641d3de02d161002c60fc9f85720"
+  integrity sha512-TR2mEZFVOj2pLStYxLht7TyfuRzaydfpxr3k9RpHIzMgw7A64dzsdqCxH1WJyQdoe8T10nDXd9wnEigmiuHIZw==
+
 asynckit@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
@@ -856,6 +959,13 @@ brorand@^1.0.1:
   resolved "https://registry.yarnpkg.com/brorand/-/brorand-1.1.0.tgz#12c25efe40a45e3c323eb8675a0a0ce57b22371f"
   integrity sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8=
 
+browser-resolve@^1.11.3:
+  version "1.11.3"
+  resolved "https://registry.yarnpkg.com/browser-resolve/-/browser-resolve-1.11.3.tgz#9b7cbb3d0f510e4cb86bdbd796124d28b5890af6"
+  integrity sha512-exDi1BYWB/6raKHmDTCicQfTkqwN5fioMFV4j8BsfMU4R2DK/QfZfK7kOVkmWCNANf0snkBzqGqAJBao9gZMdQ==
+  dependencies:
+    resolve "1.1.7"
+
 browserify-aes@^1.0.0, browserify-aes@^1.0.4:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/browserify-aes/-/browserify-aes-1.2.0.tgz#326734642f403dabc3003209853bb70ad428ef48"
@@ -964,6 +1074,14 @@ buffer@^4.3.0:
     ieee754 "^1.1.4"
     isarray "^1.0.0"
 
+buffer@^5.4.3:
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.5.0.tgz#9c3caa3d623c33dd1c7ef584b89b88bf9c9bc1ce"
+  integrity sha512-9FTEDjLjwoAkEwyMGDjYJQN2gfRgOKBKRfiglhvibGbpeeU/pQn1bJxQqm32OD/AIeEuHxU9roxXxg34Byp/Ww==
+  dependencies:
+    base64-js "^1.0.2"
+    ieee754 "^1.1.4"
+
 builtin-status-codes@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/builtin-status-codes/-/builtin-status-codes-3.0.0.tgz#85982878e21b98e1c66425e03d0174788f569ee8"
@@ -1204,6 +1322,11 @@ clone-stats@^1.0.0:
   resolved "https://registry.yarnpkg.com/clone-stats/-/clone-stats-1.0.0.tgz#b3782dff8bb5474e18b9b6bf0fdfe782f8777680"
   integrity sha1-s3gt/4u1R04Yuba/D9/ngvh3doA=
 
+clone@^1.0.2:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/clone/-/clone-1.0.4.tgz#da309cc263df15994c688ca902179ca3c7cd7c7e"
+  integrity sha1-2jCcwmPfFZlMaIypAheco8fNfH4=
+
 clone@^2.1.1:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/clone/-/clone-2.1.2.tgz#1b7f4b9f591f1e8f83670401600345a02887435f"
@@ -1263,6 +1386,16 @@ colors@~1.1.2:
   resolved "https://registry.yarnpkg.com/colors/-/colors-1.1.2.tgz#168a4701756b6a7f51a12ce0c97bfa28c084ed63"
   integrity sha1-FopHAXVran9RoSzgyXv6KMCE7WM=
 
+combine-source-map@^0.8.0:
+  version "0.8.0"
+  resolved "https://registry.yarnpkg.com/combine-source-map/-/combine-source-map-0.8.0.tgz#a58d0df042c186fcf822a8e8015f5450d2d79a8b"
+  integrity sha1-pY0N8ELBhvz4IqjoAV9UUNLXmos=
+  dependencies:
+    convert-source-map "~1.1.0"
+    inline-source-map "~0.6.0"
+    lodash.memoize "~3.0.3"
+    source-map "~0.5.3"
+
 combined-stream@^1.0.6, combined-stream@~1.0.6:
   version "1.0.8"
   resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.8.tgz#c3d45a8b34fd730631a110a8a2520682b31d5a7f"
@@ -1330,7 +1463,7 @@ connect@^3.6.0, connect@^3.6.6, connect@^3.7.0:
     parseurl "~1.3.3"
     utils-merge "1.0.1"
 
-console-browserify@^1.1.0:
+console-browserify@^1.1.0, console-browserify@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/console-browserify/-/console-browserify-1.2.0.tgz#67063cef57ceb6cf4993a2ab3a55840ae8c49336"
   integrity sha512-ZMkYO/LkF17QvCPqM0gxw8yUzigAOZOSWSHg91FH6orS7vcEj5dVZTidN2fQ14yBSdg97RqhSNwLUXInd52OTA==
@@ -1355,13 +1488,18 @@ continuable-cache@^0.3.1:
   resolved "https://registry.yarnpkg.com/continuable-cache/-/continuable-cache-0.3.1.tgz#bd727a7faed77e71ff3985ac93351a912733ad0f"
   integrity sha1-vXJ6f67XfnH/OYWskzUakSczrQ8=
 
-convert-source-map@^1.5.0:
+convert-source-map@^1.5.0, convert-source-map@^1.7.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.7.0.tgz#17a2cb882d7f77d3490585e2ce6c524424a3a442"
   integrity sha512-4FJkXzKXEDB1snCFZlLP4gpC3JILicCpGbzG9f9G7tGqGCzETQ2hWPrcinA9oU4wtf2biUaEH5065UnMeR33oA==
   dependencies:
     safe-buffer "~5.1.1"
 
+convert-source-map@~1.1.0:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.1.3.tgz#4829c877e9fe49b3161f3bf3673888e204699860"
+  integrity sha1-SCnId+n+SbMWHzvzZziI4gRpmGA=
+
 cookie@0.3.1:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.3.1.tgz#e7e0a1f9ef43b4c8ba925c5c5a96e806d16873bb"
@@ -1455,7 +1593,7 @@ cross-spawn@^3.0.0:
     lru-cache "^4.0.1"
     which "^1.2.9"
 
-crypto-browserify@^3.11.0:
+crypto-browserify@^3.11.0, crypto-browserify@^3.12.0:
   version "3.12.0"
   resolved "https://registry.yarnpkg.com/crypto-browserify/-/crypto-browserify-3.12.0.tgz#396cf9f3137f03e4b8e532c58f698254e00f80ec"
   integrity sha512-fz4spIh+znjO2VjL+IdhEpRJ3YN6sMzITSBijk6FK2UvTqruSQW+/cCZTSNsMiZNvUeq0CqurF+dAbyiGOY6Wg==
@@ -1496,11 +1634,16 @@ dashdash@^1.12.0:
   dependencies:
     assert-plus "^1.0.0"
 
-date-format@^2.0.0:
+date-format@^2.0.0, date-format@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/date-format/-/date-format-2.1.0.tgz#31d5b5ea211cf5fd764cd38baf9d033df7e125cf"
   integrity sha512-bYQuGLeFxhkxNOF3rcMtiZxvCBAquGzZm6oWA1oZ0g2THUzivaRhv8uOhdr19LmoobSOLoIAxeUK2RdbM8IFTA==
 
+date-format@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/date-format/-/date-format-3.0.0.tgz#eb8780365c7d2b1511078fb491e6479780f3ad95"
+  integrity sha512-eyTcpKOcamdhWJXj56DpQMo1ylSQpcGtGKXcU0Tb97+K56/CF5amAqqqNj0+KvA0iw2ynxtHWFsPDSClCxe48w==
+
 dateformat@^1.0.6, dateformat@~1.0.12:
   version "1.0.12"
   resolved "https://registry.yarnpkg.com/dateformat/-/dateformat-1.0.12.tgz#9f124b67594c937ff706932e4a642cca8dbbfee9"
@@ -1552,7 +1695,14 @@ deep-is@~0.1.3:
   resolved "https://registry.yarnpkg.com/deep-is/-/deep-is-0.1.3.tgz#b369d6fb5dbc13eecf524f91b070feedc357cf34"
   integrity sha1-s2nW+128E+7PUk+RsHD+7cNXzzQ=
 
-define-properties@^1.1.2:
+defaults@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/defaults/-/defaults-1.0.3.tgz#c656051e9817d9ff08ed881477f3fe4019f3ef7d"
+  integrity sha1-xlYFHpgX2f8I7YgUd/P+QBnz730=
+  dependencies:
+    clone "^1.0.2"
+
+define-properties@^1.1.2, define-properties@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/define-properties/-/define-properties-1.1.3.tgz#cf88da6cbee26fe6db7094f61d870cbd84cee9f1"
   integrity sha512-3MqfYKj2lLzdMSf8ZIZE/V+Zuy+BgD6f164e8K2w7dgnpKArBDerGYpM46IYYcjnkdPNMjPk9A6VFB8+3SKlXQ==
@@ -1632,6 +1782,11 @@ di@^0.0.1:
   resolved "https://registry.yarnpkg.com/di/-/di-0.0.1.tgz#806649326ceaa7caa3306d75d985ea2748ba913c"
   integrity sha1-gGZJMmzqp8qjMG112YXqJ0i6kTw=
 
+diff@^4.0.1:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-4.0.2.tgz#60f3aecb89d5fae520c11aa19efc2bb982aade7d"
+  integrity sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==
+
 diffie-hellman@^5.0.0:
   version "5.0.3"
   resolved "https://registry.yarnpkg.com/diffie-hellman/-/diffie-hellman-5.0.3.tgz#40e8ee98f55a2149607146921c63e1ae5f3d2875"
@@ -1683,6 +1838,11 @@ domain-browser@^1.1.1:
   resolved "https://registry.yarnpkg.com/domain-browser/-/domain-browser-1.2.0.tgz#3d31f50191a6749dd1375a7f522e823d42e54eda"
   integrity sha512-jnjyiM6eRyZl2H+W8Q/zLMA481hzi0eszAaBUzIVnmYVDBbnLxVNnfu1HgEBvCbL+71FrxMl3E6lpKH7Ge3OXA==
 
+domain-browser@^3.5.0:
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/domain-browser/-/domain-browser-3.5.0.tgz#3a11f5df52fd9d60d7f1c79a62fde2d158c42b09"
+  integrity sha512-zrzUu6auyZWRexjCEPJnfWc30Hupxh2lJZOJAF3qa2bCuD4O/55t0FvQt3ZMhEw++gjNkwdkOVZh8yA32w/Vfw==
+
 domelementtype@1, domelementtype@^1.3.0:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/domelementtype/-/domelementtype-1.3.1.tgz#d048c44b37b0d10a7f2a3d5fee3f4333d790481f"
@@ -1880,6 +2040,11 @@ error@^7.0.0:
   dependencies:
     string-template "~0.2.1"
 
+es6-object-assign@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/es6-object-assign/-/es6-object-assign-1.1.0.tgz#c2c3582656247c39ea107cb1e6652b6f9f24523c"
+  integrity sha1-wsNYJlYkfDnqEHyx5mUrb58kUjw=
+
 es6-promise@^4.0.3:
   version "4.2.8"
   resolved "https://registry.yarnpkg.com/es6-promise/-/es6-promise-4.2.8.tgz#4eb21594c972bc40553d276e510539143db53e0a"
@@ -2346,7 +2511,7 @@ flat-cache@^2.0.1:
     rimraf "2.6.3"
     write "1.0.3"
 
-flatted@^2.0.0:
+flatted@^2.0.0, flatted@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/flatted/-/flatted-2.0.1.tgz#69e57caa8f0eacbc281d2e2cb458d46fdb449e08"
   integrity sha512-a1hQMktqW9Nmqr5aktAux3JMNqaucxGcjtjWnZLHX7yyPCmlSV3M54nGYbqT8K+0GhF3NBgmJCc3ma+WOgX8Jg==
@@ -2426,6 +2591,15 @@ fs-extra@^7.0.1:
     jsonfile "^4.0.0"
     universalify "^0.1.0"
 
+fs-extra@^8.1.0:
+  version "8.1.0"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-8.1.0.tgz#49d43c45a88cd9677668cb7be1b46efdb8d2e1c0"
+  integrity sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==
+  dependencies:
+    graceful-fs "^4.2.0"
+    jsonfile "^4.0.0"
+    universalify "^0.1.0"
+
 fs-mkdirp-stream@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fs-mkdirp-stream/-/fs-mkdirp-stream-1.0.0.tgz#0b7815fc3201c6a69e14db98ce098c16935259eb"
@@ -2503,6 +2677,11 @@ gaze@^1.0.0, gaze@^1.1.0:
   dependencies:
     globule "^1.0.0"
 
+gensync@^1.0.0-beta.1:
+  version "1.0.0-beta.1"
+  resolved "https://registry.yarnpkg.com/gensync/-/gensync-1.0.0-beta.1.tgz#58f4361ff987e5ff6e1e7a210827aa371eaac269"
+  integrity sha512-r8EC6NO1sngH/zdD9fiRDLdcgnbayXah+mLgManTaIZJqEC1MZstmnox8KpnI2/fxQwrp5OpCOYWLp4rBl4Jcg==
+
 get-caller-file@^1.0.1:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-1.0.3.tgz#f978fa4c90d1dfe7ff2d6beda2a515e713bdcf4a"
@@ -2677,7 +2856,7 @@ globule@^1.0.0:
     lodash "~4.17.12"
     minimatch "~3.0.2"
 
-graceful-fs@^4.0.0, graceful-fs@^4.1.11, graceful-fs@^4.1.15, graceful-fs@^4.1.2, graceful-fs@^4.1.6:
+graceful-fs@^4.0.0, graceful-fs@^4.1.11, graceful-fs@^4.1.15, graceful-fs@^4.1.2, graceful-fs@^4.1.6, graceful-fs@^4.2.0:
   version "4.2.3"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.3.tgz#4a12ff1b60376ef09862c2093edd908328be8423"
   integrity sha512-a30VEBm4PEdx1dRB7MFK7BejejvCvBronbLjht+sHuGYj8PHs7M/5Z+rt5lw551vZ7yfTCj4Vuyy3mSJytDWRQ==
@@ -2903,6 +3082,11 @@ has-flag@^3.0.0:
   resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-3.0.0.tgz#b5d454dc2199ae225699f3467e5a07f3b955bafd"
   integrity sha1-tdRU3CGZriJWmfNGfloH87lVuv0=
 
+has-flag@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-4.0.0.tgz#944771fd9c81c81265c4d6941860da06bb59479b"
+  integrity sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ==
+
 has-symbols@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.1.tgz#9f5214758a44196c406d9bd76cebf81ec2dd31e8"
@@ -3182,6 +3366,13 @@ ini@^1.3.4, ini@^1.3.5:
   resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.5.tgz#eee25f56db1c9ec6085e0c22778083f596abf927"
   integrity sha512-RZY5huIKCMRWDUqZlEi72f/lmXKMvuszcMBduliQ3nnWbx9X/ZBQO7DijMEYS9EhHBb2qacRUMtC7svLwe0lcw==
 
+inline-source-map@~0.6.0:
+  version "0.6.2"
+  resolved "https://registry.yarnpkg.com/inline-source-map/-/inline-source-map-0.6.2.tgz#f9393471c18a79d1724f863fa38b586370ade2a5"
+  integrity sha1-+Tk0ccGKedFyT4Y/o4tYY3Ct4qU=
+  dependencies:
+    source-map "~0.5.3"
+
 inquirer@^7.0.0:
   version "7.0.4"
   resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-7.0.4.tgz#99af5bde47153abca23f5c7fc30db247f39da703"
@@ -3256,6 +3447,11 @@ is-alphanumerical@^1.0.0:
     is-alphabetical "^1.0.0"
     is-decimal "^1.0.0"
 
+is-arguments@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/is-arguments/-/is-arguments-1.0.4.tgz#3faf966c7cba0ff437fb31f6250082fcf0448cf3"
+  integrity sha512-xPh0Rmt8NE65sNzvyUmWgI1tz3mKq74lGA0mL8LYZcoIzKOzDh6HmrYm3d18k60nHerC8A9Km8kYu87zfSFnLA==
+
 is-arrayish@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.2.1.tgz#77c99840527aa8ecb1a8ba697b80645a7a926a9d"
@@ -3356,6 +3552,11 @@ is-fullwidth-code-point@^3.0.0:
   resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-3.0.0.tgz#f116f8064fe90b3f7844a38997c0b75051269f1d"
   integrity sha512-zymm5+u+sCsSWyD9qNaejV3DFvhCKclKdizYaJUuHA83RLjb7nSuGnddCHGv0hk+KY7BMAlsWeK4Ueg6EV6XQg==
 
+is-generator-function@^1.0.7:
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/is-generator-function/-/is-generator-function-1.0.7.tgz#d2132e529bb0000a7f80794d4bdf5cd5e5813522"
+  integrity sha512-YZc5EwyO4f2kWCax7oegfuSr9mFz1ZvieNYBEjmukLxgXfBUbxAWGVF7GZf0zidYtoBl3WvC07YK0wT76a+Rtw==
+
 is-glob@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-3.1.0.tgz#7ba5ae24217804ac70707b96922567486cc3e84a"
@@ -3375,6 +3576,13 @@ is-hexadecimal@^1.0.0:
   resolved "https://registry.yarnpkg.com/is-hexadecimal/-/is-hexadecimal-1.0.4.tgz#cc35c97588da4bd49a8eedd6bc4082d44dcb23a7"
   integrity sha512-gyPJuv83bHMpocVYoqof5VDiZveEoGoFL8m3BXNb2VW8Xs+rz9kqO8LOQ5DH6EsuvilT1ApazU0pyl+ytbPtlw==
 
+is-nan@^1.2.1:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/is-nan/-/is-nan-1.3.0.tgz#85d1f5482f7051c2019f5673ccebdb06f3b0db03"
+  integrity sha512-z7bbREymOqt2CCaZVly8aC4ML3Xhfi0ekuOnjO2L8vKdl+CttdVoGZQhd4adMFAsxQ5VeRVwORs4tU8RH+HFtQ==
+  dependencies:
+    define-properties "^1.1.3"
+
 is-negated-glob@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-negated-glob/-/is-negated-glob-1.0.0.tgz#6910bca5da8c95e784b5751b976cf5a10fee36d2"
@@ -3533,6 +3741,11 @@ istanbul-lib-coverage@^2.0.5:
   resolved "https://registry.yarnpkg.com/istanbul-lib-coverage/-/istanbul-lib-coverage-2.0.5.tgz#675f0ab69503fad4b1d849f736baaca803344f49"
   integrity sha512-8aXznuEPCJvGnMSRft4udDRDtb1V3pkQkMMI5LI+6HuQz5oQ4J2UFn1H82raA3qJtyOLkkwVqICBQkjnGtn5mA==
 
+istanbul-lib-coverage@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-coverage/-/istanbul-lib-coverage-3.0.0.tgz#f5944a37c70b550b02a78a5c3b2055b280cec8ec"
+  integrity sha512-UiUIqxMgRDET6eR+o5HbfRYP1l0hqkWOs7vNxC/mggutCMUIhWMm8gAHb8tHlyfD3/l6rlgNA5cKdDzEAf6hEg==
+
 istanbul-lib-instrument@^3.3.0:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-3.3.0.tgz#a5f63d91f0bbc0c3e479ef4c5de027335ec6d630"
@@ -3546,6 +3759,19 @@ istanbul-lib-instrument@^3.3.0:
     istanbul-lib-coverage "^2.0.5"
     semver "^6.0.0"
 
+istanbul-lib-instrument@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-4.0.1.tgz#61f13ac2c96cfefb076fe7131156cc05907874e6"
+  integrity sha512-imIchxnodll7pvQBYOqUu88EufLCU56LMeFPZZM/fJZ1irYcYdqroaV+ACK1Ila8ls09iEYArp+nqyC6lW1Vfg==
+  dependencies:
+    "@babel/core" "^7.7.5"
+    "@babel/parser" "^7.7.5"
+    "@babel/template" "^7.7.4"
+    "@babel/traverse" "^7.7.4"
+    "@istanbuljs/schema" "^0.1.2"
+    istanbul-lib-coverage "^3.0.0"
+    semver "^6.3.0"
+
 istanbul-lib-report@^2.0.8:
   version "2.0.8"
   resolved "https://registry.yarnpkg.com/istanbul-lib-report/-/istanbul-lib-report-2.0.8.tgz#5a8113cd746d43c4889eba36ab10e7d50c9b4f33"
@@ -3555,6 +3781,15 @@ istanbul-lib-report@^2.0.8:
     make-dir "^2.1.0"
     supports-color "^6.1.0"
 
+istanbul-lib-report@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-report/-/istanbul-lib-report-3.0.0.tgz#7518fe52ea44de372f460a76b5ecda9ffb73d8a6"
+  integrity sha512-wcdi+uAKzfiGT2abPpKZ0hSU1rGQjUQnLvtY5MpQ7QCTahD3VODhcu4wcfY1YtkGaDD5yuydOLINXsfbus9ROw==
+  dependencies:
+    istanbul-lib-coverage "^3.0.0"
+    make-dir "^3.0.0"
+    supports-color "^7.1.0"
+
 istanbul-lib-source-maps@^3.0.6:
   version "3.0.6"
   resolved "https://registry.yarnpkg.com/istanbul-lib-source-maps/-/istanbul-lib-source-maps-3.0.6.tgz#284997c48211752ec486253da97e3879defba8c8"
@@ -3566,6 +3801,15 @@ istanbul-lib-source-maps@^3.0.6:
     rimraf "^2.6.3"
     source-map "^0.6.1"
 
+istanbul-lib-source-maps@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-source-maps/-/istanbul-lib-source-maps-4.0.0.tgz#75743ce6d96bb86dc7ee4352cf6366a23f0b1ad9"
+  integrity sha512-c16LpFRkR8vQXyHZ5nLpY35JZtzj1PQY1iZmesUbf1FZHbIupcWfjgOXBY9YHkLEQ6puz1u4Dgj6qmU/DisrZg==
+  dependencies:
+    debug "^4.1.1"
+    istanbul-lib-coverage "^3.0.0"
+    source-map "^0.6.1"
+
 istanbul-reports@^2.2.4:
   version "2.2.7"
   resolved "https://registry.yarnpkg.com/istanbul-reports/-/istanbul-reports-2.2.7.tgz#5d939f6237d7b48393cc0959eab40cd4fd056931"
@@ -3573,6 +3817,14 @@ istanbul-reports@^2.2.4:
   dependencies:
     html-escaper "^2.0.0"
 
+istanbul-reports@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/istanbul-reports/-/istanbul-reports-3.0.0.tgz#d4d16d035db99581b6194e119bbf36c963c5eb70"
+  integrity sha512-2osTcC8zcOSUkImzN2EWQta3Vdi4WjjKw99P2yWx5mLnigAM0Rd5uYFn1cf2i/Ois45GkNjaoTqc5CxgMSX80A==
+  dependencies:
+    html-escaper "^2.0.0"
+    istanbul-lib-report "^3.0.0"
+
 istanbul@^0.4.0:
   version "0.4.5"
   resolved "https://registry.yarnpkg.com/istanbul/-/istanbul-0.4.5.tgz#65c7d73d4c4da84d4f3ac310b918fb0b8033733b"
@@ -3665,7 +3917,7 @@ json-stable-stringify-without-jsonify@^1.0.1:
   resolved "https://registry.yarnpkg.com/json-stable-stringify-without-jsonify/-/json-stable-stringify-without-jsonify-1.0.1.tgz#9db7b59496ad3f3cfef30a75142d2d930ad72651"
   integrity sha1-nbe1lJatPzz+8wp1FC0tkwrXJlE=
 
-json-stringify-safe@~5.0.1:
+json-stringify-safe@^5.0.1, json-stringify-safe@~5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz#1296a2d58fd45f19a0f6ce01d65701e2c735b6eb"
   integrity sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus=
@@ -3677,6 +3929,13 @@ json5@^1.0.1:
   dependencies:
     minimist "^1.2.0"
 
+json5@^2.1.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/json5/-/json5-2.1.1.tgz#81b6cb04e9ba496f1c7005d07b4368a2638f90b6"
+  integrity sha512-l+3HXD0GEI3huGq1njuqtzYK8OYJyXMkOLtQ53pjWh89tvWS2h6l+1zMkYWqlb57+SiQodKZyvMEFb2X+KrFhQ==
+  dependencies:
+    minimist "^1.2.0"
+
 jsonfile@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/jsonfile/-/jsonfile-4.0.0.tgz#8771aae0799b64076b76640fca058f9c10e33ecb"
@@ -3744,6 +4003,55 @@ karma-jasmine@^3.1.1:
   dependencies:
     jasmine-core "^3.5.0"
 
+karma-typescript@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/karma-typescript/-/karma-typescript-5.0.0.tgz#8c3c776c3c304aefd88b3daa2f54f5c51cb3b938"
+  integrity sha512-O8pQNKqbykAc20vjc1hd0CmIDycjxNAopK9ZADfG1ca7l2NA8M8HEnWDUxX2Q8pnsOipFkdLRRU3rogzdLufFA==
+  dependencies:
+    acorn "^7.1.0"
+    acorn-walk "^7.0.0"
+    assert "^2.0.0"
+    async "^3.0.1"
+    browser-resolve "^1.11.3"
+    browserify-zlib "^0.2.0"
+    buffer "^5.4.3"
+    combine-source-map "^0.8.0"
+    console-browserify "^1.2.0"
+    constants-browserify "^1.0.0"
+    convert-source-map "^1.7.0"
+    crypto-browserify "^3.12.0"
+    diff "^4.0.1"
+    domain-browser "^3.5.0"
+    events "^3.0.0"
+    glob "^7.1.6"
+    https-browserify "^1.0.0"
+    istanbul-lib-coverage "^3.0.0"
+    istanbul-lib-instrument "^4.0.0"
+    istanbul-lib-report "^3.0.0"
+    istanbul-lib-source-maps "^4.0.0"
+    istanbul-reports "^3.0.0"
+    json-stringify-safe "^5.0.1"
+    lodash "^4.17.15"
+    log4js "^6.1.0"
+    minimatch "^3.0.4"
+    os-browserify "^0.3.0"
+    pad "^3.2.0"
+    path-browserify "^1.0.0"
+    process "^0.11.10"
+    punycode "^2.1.1"
+    querystring-es3 "^0.2.1"
+    readable-stream "^3.1.1"
+    source-map "^0.7.3"
+    stream-browserify "^2.0.2"
+    stream-http "^3.1.0"
+    string_decoder "^1.3.0"
+    timers-browserify "^2.0.11"
+    tmp "^0.1.0"
+    tty-browserify "^0.0.1"
+    url "^0.11.0"
+    util "^0.12.1"
+    vm-browserify "^1.1.2"
+
 karma@^4.4.1:
   version "4.4.1"
   resolved "https://registry.yarnpkg.com/karma/-/karma-4.4.1.tgz#6d9aaab037a31136dc074002620ee11e8c2e32ab"
@@ -3923,6 +4231,11 @@ lodash.isfinite@^3.3.2:
   resolved "https://registry.yarnpkg.com/lodash.isfinite/-/lodash.isfinite-3.3.2.tgz#fb89b65a9a80281833f0b7478b3a5104f898ebb3"
   integrity sha1-+4m2WpqAKBgz8LdHizpRBPiY67M=
 
+lodash.memoize@~3.0.3:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/lodash.memoize/-/lodash.memoize-3.0.4.tgz#2dcbd2c287cbc0a55cc42328bd0c736150d53e3f"
+  integrity sha1-LcvSwofLwKVcxCMovQxzYVDVPj8=
+
 lodash@^4.0.0, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.15, lodash@~4.17.10, lodash@~4.17.12, lodash@~4.17.5:
   version "4.17.15"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
@@ -3944,6 +4257,17 @@ log4js@^4.0.0:
     rfdc "^1.1.4"
     streamroller "^1.0.6"
 
+log4js@^6.1.0:
+  version "6.1.2"
+  resolved "https://registry.yarnpkg.com/log4js/-/log4js-6.1.2.tgz#04688e1f4b8080c127b7dccb0db1c759cbb25dc4"
+  integrity sha512-knS4Y30pC1e0n7rfx3VxcLOdBCsEo0o6/C7PVTGxdVK+5b1TYOSGQPn9FDcrhkoQBV29qwmA2mtkznPAQKnxQg==
+  dependencies:
+    date-format "^3.0.0"
+    debug "^4.1.1"
+    flatted "^2.0.1"
+    rfdc "^1.1.4"
+    streamroller "^2.2.3"
+
 loud-rejection@^1.0.0:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/loud-rejection/-/loud-rejection-1.6.0.tgz#5b46f80147edee578870f086d04821cf998e551f"
@@ -3975,6 +4299,13 @@ 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.yarnpkg.com/make-dir/-/make-dir-3.0.2.tgz#04a1acbf22221e1d6ef43559f43e05a90dbb4392"
+  integrity sha512-rYKABKutXa6vXTXhoV18cBE7PaewPXHe/Bdq4v+ZLMhxbWApkFFplT0LcbMW+6BbjnQXzZ/sAvSE/JdguApG5w==
+  dependencies:
+    semver "^6.0.0"
+
 make-iterator@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/make-iterator/-/make-iterator-1.0.1.tgz#29b33f312aa8f547c4a5e490f56afcec99133ad6"
@@ -4465,6 +4796,11 @@ object-copy@^0.1.0:
     define-property "^0.2.5"
     kind-of "^3.0.3"
 
+object-is@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/object-is/-/object-is-1.0.2.tgz#6b80eb84fe451498f65007982f035a5b445edec4"
+  integrity sha512-Epah+btZd5wrrfjkJZq1AOB9O6OxUQto45hzFd7lXGrpHPGE0W1k+426yrZV+k6NJOzLNNW/nVsmZdIWsAqoOQ==
+
 object-keys@^1.0.11, object-keys@^1.0.12:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-1.1.1.tgz#1c47f272df277f3b1daf061677d9c82e2322c60e"
@@ -4645,6 +4981,13 @@ p-try@^2.0.0:
   resolved "https://registry.yarnpkg.com/p-try/-/p-try-2.2.0.tgz#cb2868540e313d61de58fafbe35ce9004d5540e6"
   integrity sha512-R4nPAVTAU0B9D35/Gk3uJf/7XYbQcyohSKdvAxIRSNghFl4e71hVoGnBNQz9cWaXxO2I10KTC+3jMdvvoKw6dQ==
 
+pad@^3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/pad/-/pad-3.2.0.tgz#be7a1d1cb6757049b4ad5b70e71977158fea95d1"
+  integrity sha512-2u0TrjcGbOjBTJpyewEl4hBO3OeX5wWue7eIFPzQTg6wFSvoaHcBTTUY5m+n0hd04gmTCPuY0kCpVIVuw5etwg==
+  dependencies:
+    wcwidth "^1.0.1"
+
 pako@~1.0.2, pako@~1.0.5:
   version "1.0.11"
   resolved "https://registry.yarnpkg.com/pako/-/pako-1.0.11.tgz#6c9599d340d54dfd3946380252a35705a6b992bf"
@@ -4740,6 +5083,11 @@ path-browserify@0.0.1:
   resolved "https://registry.yarnpkg.com/path-browserify/-/path-browserify-0.0.1.tgz#e6c4ddd7ed3aa27c68a20cc4e50e1a4ee83bbc4a"
   integrity sha512-BapA40NHICOS+USX9SN4tyhq+A2RrN/Ws5F0Z5aMHDp98Fl86lX8Oti8B7uN93L4Ifv4fHOEA+pQw87gmMO/lQ==
 
+path-browserify@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/path-browserify/-/path-browserify-1.0.1.tgz#d98454a9c3753d5790860f16f68867b9e46be1fd"
+  integrity sha512-b7uo2UCUOYZcnF/3ID0lulOJi/bafxa1xPe7ZPsammBSpjSWQkjNxlt635YGS2MiR9GjvuXCtz2emr3jbsz98g==
+
 path-dirname@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/path-dirname/-/path-dirname-1.0.2.tgz#cc33d24d525e099a5388c0336c6e32b9160609e0"
@@ -5037,7 +5385,7 @@ qs@~6.5.2:
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.2.tgz#cb3ae806e8740444584ef154ce8ee98d403f3e36"
   integrity sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA==
 
-querystring-es3@^0.2.0:
+querystring-es3@^0.2.0, querystring-es3@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/querystring-es3/-/querystring-es3-0.2.1.tgz#9ec61f79049875707d69414596fd907a4d711e73"
   integrity sha1-nsYfeQSYdXB9aUFFlv2Qek1xHnM=
@@ -5115,6 +5463,15 @@ read-pkg@^1.0.0:
     string_decoder "~1.1.1"
     util-deprecate "~1.0.1"
 
+readable-stream@^3.0.6, readable-stream@^3.1.1:
+  version "3.6.0"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-3.6.0.tgz#337bbda3adc0706bd3e024426a286d4b4b2c9198"
+  integrity sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==
+  dependencies:
+    inherits "^2.0.3"
+    string_decoder "^1.1.1"
+    util-deprecate "^1.0.1"
+
 readdirp@^2.2.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-2.2.1.tgz#0e87622a3325aa33e892285caf8b4e846529a525"
@@ -5320,12 +5677,12 @@ resolve-url@^0.2.1:
   resolved "https://registry.yarnpkg.com/resolve-url/-/resolve-url-0.2.1.tgz#2c637fe77c893afd2a663fe21aa9080068e2052a"
   integrity sha1-LGN/53yJOv0qZj/iGqkIAGjiBSo=
 
-resolve@1.1.x, resolve@~1.1.0:
+resolve@1.1.7, resolve@1.1.x, resolve@~1.1.0:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.1.7.tgz#203114d82ad2c5ed9e8e0411b3932875e889e97b"
   integrity sha1-IDEU2CrSxe2ejgQRs5ModeiJ6Xs=
 
-resolve@^1.1.6, resolve@^1.1.7, resolve@^1.10.0:
+resolve@^1.1.6, resolve@^1.1.7, resolve@^1.10.0, resolve@^1.3.2:
   version "1.15.1"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.15.1.tgz#27bdcdeffeaf2d6244b95bb0f9f4b4653451f3e8"
   integrity sha512-84oo6ZTtoTUpjgNEr5SJyzQhzL72gaRodsSfyxC/AXRvwu0Yse9H8eF9IpGo7b8YetZhlI6v7ZQ6bKBFV/6S7w==
@@ -5469,7 +5826,7 @@ selenium-webdriver@3.6.0, selenium-webdriver@^3.0.1:
     tmp "0.0.30"
     xml2js "^0.4.17"
 
-"semver@2 || 3 || 4 || 5", semver@^5.3.0, semver@^5.5.0, semver@^5.6.0:
+"semver@2 || 3 || 4 || 5", semver@^5.3.0, semver@^5.4.1, semver@^5.5.0, semver@^5.6.0:
   version "5.7.1"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.1.tgz#a954f931aeba508d307bbf069eff0c01c96116f7"
   integrity sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==
@@ -5719,7 +6076,7 @@ source-map@^0.4.2:
   dependencies:
     amdefine ">=0.0.4"
 
-source-map@^0.5.0, source-map@^0.5.1, source-map@^0.5.6:
+source-map@^0.5.0, source-map@^0.5.1, source-map@^0.5.6, source-map@~0.5.3:
   version "0.5.7"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
   integrity sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=
@@ -5729,6 +6086,11 @@ source-map@^0.6.0, source-map@^0.6.1, source-map@~0.6.0, source-map@~0.6.1:
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
   integrity sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==
 
+source-map@^0.7.3:
+  version "0.7.3"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.7.3.tgz#5302f8169031735226544092e64981f751750383"
+  integrity sha512-CkCj6giN3S+n9qrYiBTX5gystlENnRW5jZeNLHpe6aue+SrHcG5VYwujhW9s4dY31mEGsxBDrHR6oI69fTXsaQ==
+
 source-map@~0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.2.0.tgz#dab73fbcfc2ba819b4de03bd6f6eaa48164b3f9d"
@@ -5841,7 +6203,7 @@ stream-browserify@2.0.1:
     inherits "~2.0.1"
     readable-stream "^2.0.2"
 
-stream-browserify@^2.0.1:
+stream-browserify@^2.0.1, stream-browserify@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/stream-browserify/-/stream-browserify-2.0.2.tgz#87521d38a44aa7ee91ce1cd2a47df0cb49dd660b"
   integrity sha512-nX6hmklHs/gr2FuxYDltq8fJA1GDlxKQCz8O/IM4atRqBH8OORmBNgfvW5gG10GT/qQ9u0CzIvr2X5Pkt6ntqg==
@@ -5868,6 +6230,16 @@ stream-http@^2.7.2:
     to-arraybuffer "^1.0.0"
     xtend "^4.0.0"
 
+stream-http@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/stream-http/-/stream-http-3.1.0.tgz#22fb33fe9b4056b4eccf58bd8f400c4b993ffe57"
+  integrity sha512-cuB6RgO7BqC4FBYzmnvhob5Do3wIdIsXAgGycHJnW+981gHqoYcYz9lqjJrk8WXRddbwPuqPYRl+bag6mYv4lw==
+  dependencies:
+    builtin-status-codes "^3.0.0"
+    inherits "^2.0.1"
+    readable-stream "^3.0.6"
+    xtend "^4.0.0"
+
 stream-shift@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/stream-shift/-/stream-shift-1.0.1.tgz#d7088281559ab2778424279b0877da3c392d5a3d"
@@ -5884,6 +6256,15 @@ streamroller@^1.0.6:
     fs-extra "^7.0.1"
     lodash "^4.17.14"
 
+streamroller@^2.2.3:
+  version "2.2.3"
+  resolved "https://registry.yarnpkg.com/streamroller/-/streamroller-2.2.3.tgz#b95c9fad44e2e89005d242141486b3b4962c2d28"
+  integrity sha512-AegmvQsscTRhHVO46PhCDerjIpxi7E+d2GxgUDu+nzw/HuLnUdxHWr6WQ+mVn/4iJgMKKFFdiUwFcFRDvcjCtw==
+  dependencies:
+    date-format "^2.1.0"
+    debug "^4.1.1"
+    fs-extra "^8.1.0"
+
 string-template@~0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/string-template/-/string-template-0.2.1.tgz#42932e598a352d01fc22ec3367d9d84eec6c9add"
@@ -5929,7 +6310,7 @@ string_decoder@0.10:
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-0.10.31.tgz#62e203bc41766c6c28c9fc84301dab1c5310fa94"
   integrity sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=
 
-string_decoder@^1.0.0:
+string_decoder@^1.0.0, string_decoder@^1.1.1, string_decoder@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.3.0.tgz#42f114594a46cf1a8e30b0a84f56c78c3edac21e"
   integrity sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==
@@ -6028,6 +6409,13 @@ supports-color@^5.3.0:
   dependencies:
     has-flag "^3.0.0"
 
+supports-color@^7.1.0:
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-7.1.0.tgz#68e32591df73e25ad1c4b49108a2ec507962bfd1"
+  integrity sha512-oRSIpR8pxT1Wr2FquTNnGet79b3BWljqOuoW/h4oBhxJ/HUbX5nX6JSruTkvXDCFMwDPvsaTTbvMLKZWSy0R5g==
+  dependencies:
+    has-flag "^4.0.0"
+
 table@^5.2.3:
   version "5.4.6"
   resolved "https://registry.yarnpkg.com/table/-/table-5.4.6.tgz#1292d19500ce3f86053b05f0e8e7e4a3bb21079e"
@@ -6109,7 +6497,7 @@ timers-browserify@2.0.2:
   dependencies:
     setimmediate "^1.0.4"
 
-timers-browserify@^2.0.4:
+timers-browserify@^2.0.11, timers-browserify@^2.0.4:
   version "2.0.11"
   resolved "https://registry.yarnpkg.com/timers-browserify/-/timers-browserify-2.0.11.tgz#800b1f3eee272e5bc53ee465a04d0e804c31211f"
   integrity sha512-60aV6sgJ5YEbzUdn9c8kYGIqOubPoUdqQCul3SBAsRCZ40s6Y5cMcrW4dt3/k/EsbLVJNl9n6Vz3fTc+k2GeKQ==
@@ -6142,6 +6530,13 @@ tmp@0.0.33, tmp@0.0.x, tmp@^0.0.33:
   dependencies:
     os-tmpdir "~1.0.2"
 
+tmp@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/tmp/-/tmp-0.1.0.tgz#ee434a4e22543082e294ba6201dcc6eafefa2877"
+  integrity sha512-J7Z2K08jbGcdA1kkQpJSqLF6T0tdQqpR2pnSUXsIchbPdTI9v3e85cLW0d6WDhwuAleOV71j2xWs8qMPfK7nKw==
+  dependencies:
+    rimraf "^2.6.3"
+
 to-absolute-glob@^2.0.0:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/to-absolute-glob/-/to-absolute-glob-2.0.2.tgz#1865f43d9e74b0822db9f145b78cff7d0f7c849b"
@@ -6282,6 +6677,11 @@ tty-browserify@0.0.0:
   resolved "https://registry.yarnpkg.com/tty-browserify/-/tty-browserify-0.0.0.tgz#a157ba402da24e9bf957f9aa69d524eed42901a6"
   integrity sha1-oVe6QC2iTpv5V/mqadUk7tQpAaY=
 
+tty-browserify@^0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/tty-browserify/-/tty-browserify-0.0.1.tgz#3f05251ee17904dfd0677546670db9651682b811"
+  integrity sha512-C3TaO7K81YvjCgQH9Q1S3R3P3BtN3RIM8n+OvX4il1K1zgE8ZhI0op7kClgkxtutIE8hQrcrHBXvIheqKUUCxw==
+
 tunnel-agent@^0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/tunnel-agent/-/tunnel-agent-0.6.0.tgz#27a5dea06b36b04a0a9966774b290868f0fc40fd"
@@ -6504,7 +6904,7 @@ useragent@2.3.0:
     lru-cache "4.1.x"
     tmp "0.0.x"
 
-util-deprecate@^1.0.2, util-deprecate@~1.0.1:
+util-deprecate@^1.0.1, util-deprecate@^1.0.2, util-deprecate@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
   integrity sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=
@@ -6523,6 +6923,16 @@ util@^0.11.0:
   dependencies:
     inherits "2.0.3"
 
+util@^0.12.0, util@^0.12.1:
+  version "0.12.2"
+  resolved "https://registry.yarnpkg.com/util/-/util-0.12.2.tgz#54adb634c9e7c748707af2bf5a8c7ab640cbba2b"
+  integrity sha512-XE+MkWQvglYa+IOfBt5UFG93EmncEMP23UqpgDvVZVFBPxwmkK10QRp6pgU4xICPnWRf/t0zPv4noYSUq9gqUQ==
+  dependencies:
+    inherits "^2.0.3"
+    is-arguments "^1.0.4"
+    is-generator-function "^1.0.7"
+    safe-buffer "^5.1.2"
+
 utils-merge@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713"
@@ -6642,7 +7052,7 @@ vinyl@^2.0.0, vinyl@^2.1.0:
     remove-trailing-separator "^1.0.1"
     replace-ext "^1.0.0"
 
-vm-browserify@^1.0.1:
+vm-browserify@^1.0.1, vm-browserify@^1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/vm-browserify/-/vm-browserify-1.1.2.tgz#78641c488b8e6ca91a75f511e7a3b32a86e5dda0"
   integrity sha512-2ham8XPWTONajOR0ohOKOHXkm3+gaBmGut3SRuu75xLd/RRaY6vqgh8NBYYk7+RW3u5AtzPQZG8F10LHkl0lAQ==
@@ -6661,6 +7071,13 @@ watchpack@^1.6.0:
     graceful-fs "^4.1.2"
     neo-async "^2.5.0"
 
+wcwidth@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/wcwidth/-/wcwidth-1.0.1.tgz#f0b0dcf915bc5ff1528afadb2c0e17b532da2fe8"
+  integrity sha1-8LDc+RW8X/FSivrbLA4XtTLaL+g=
+  dependencies:
+    defaults "^1.0.3"
+
 webdriver-js-extender@2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/webdriver-js-extender/-/webdriver-js-extender-2.1.0.tgz#57d7a93c00db4cc8d556e4d3db4b5db0a80c3bb7"