diff --git a/package.json b/package.json
index 4415c9b..6500ef3 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "@types/node": "~10.12.0",
     "@types/jasmine": "~2.8.8",
     "@types/jasminewd2": "~2.0.3",
-    "codelyzer": "~4.5.0",
+    "codelyzer": "~6.0.0",
     "jasmine-core": "~2.99.1",
     "jasmine-spec-reporter": "~4.2.1",
     "karma": "~3.1.4",
diff --git a/yarn.lock b/yarn.lock
index 2b558c8..6d95162 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -149,12 +149,22 @@
     tslib "^1.9.0"
     yargs "9.0.1"
 
+"@angular/compiler@9.0.0":
+  version "9.0.0"
+  resolved "https://registry.yarnpkg.com/@angular/compiler/-/compiler-9.0.0.tgz#87e0bef4c369b6cadae07e3a4295778fc93799d5"
+  integrity sha512-ctjwuntPfZZT2mNj2NDIVu51t9cvbhl/16epc5xEwyzyDt76pX9UgwvY+MbXrf/C/FWwdtmNtfP698BKI+9leQ==
+
 "@angular/compiler@~7.2.2":
   version "7.2.7"
   resolved "https://registry.yarnpkg.com/@angular/compiler/-/compiler-7.2.7.tgz#3f3deb851634db871e92acde2f1ee56362d8c47f"
   dependencies:
     tslib "^1.9.0"
 
+"@angular/core@9.0.0":
+  version "9.0.0"
+  resolved "https://registry.yarnpkg.com/@angular/core/-/core-9.0.0.tgz#227dc53e1ac81824f998c6e76000b7efc522641e"
+  integrity sha512-6Pxgsrf0qF9iFFqmIcWmjJGkkCaCm6V5QNnxMy2KloO3SDq6QuMVRbN9RtC8Urmo25LP+eZ6ZgYqFYpdD8Hd9w==
+
 "@angular/core@^7.2.2":
   version "7.2.7"
   resolved "https://registry.yarnpkg.com/@angular/core/-/core-7.2.7.tgz#4311028181a98aa844572ea4b6cb9e87fc58d9ba"
@@ -675,9 +685,10 @@ anymatch@^2.0.0:
     micromatch "^3.1.4"
     normalize-path "^2.1.1"
 
-app-root-path@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/app-root-path/-/app-root-path-2.1.0.tgz#98bf6599327ecea199309866e8140368fd2e646a"
+app-root-path@^3.0.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/app-root-path/-/app-root-path-3.1.0.tgz#5971a2fc12ba170369a7a1ef018c71e6e47c2e86"
+  integrity sha512-biN3PwB2gUtjaYy/isrU3aNWI5w+fAfvHkSvCKeQGxhmYpwKFUxudR3Yya+KqVRHBmEDYh+/lTozYCFbmzX4nA==
 
 append-transform@^1.0.0:
   version "1.0.0"
@@ -706,6 +717,14 @@ argparse@^1.0.7:
   dependencies:
     sprintf-js "~1.0.2"
 
+aria-query@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/aria-query/-/aria-query-3.0.0.tgz#65b3fcc1ca1155a8c9ae64d6eee297f15d5133cc"
+  integrity sha512-majUxHgLehQTeSA+hClx+DY09OVUqG3GtezWkF1krgLGNdlDu9l9V8DaqNMWbq4Eddc8wsyDA0hpDUtnYxQEXw==
+  dependencies:
+    ast-types-flow "0.0.7"
+    commander "^2.11.0"
+
 arr-diff@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/arr-diff/-/arr-diff-4.0.0.tgz#d6461074febfec71e7e15235761a329a5dc7c520"
@@ -792,6 +811,11 @@ assign-symbols@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/assign-symbols/-/assign-symbols-1.0.0.tgz#59667f41fadd4f20ccbc2bb96b8d4f7f78ec0367"
 
+ast-types-flow@0.0.7:
+  version "0.0.7"
+  resolved "https://registry.yarnpkg.com/ast-types-flow/-/ast-types-flow-0.0.7.tgz#f70b735c6bca1a5c9c22d982c3e39e7feba3bdad"
+  integrity sha512-eBvWn1lvIApYMhzQMsu9ciLfkBY499mFZlNqG+/9WR7PVlroQw0vG30cOQQbaKz3sCEc44TAOu2ykzqXSNnwag==
+
 async-each@^1.0.0, async-each@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/async-each/-/async-each-1.0.1.tgz#19d386a1d9edc6e7c1c85d388aedbcc56d33602d"
@@ -841,6 +865,13 @@ aws4@^1.8.0:
   version "1.8.0"
   resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.8.0.tgz#f0e003d9ca9e7f59c7a508945d7b2ef9a04a542f"
 
+axobject-query@2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/axobject-query/-/axobject-query-2.0.2.tgz#ea187abe5b9002b377f925d8bf7d1c561adf38f9"
+  integrity sha512-MCeek8ZH7hKyO1rWUbKNQBbl4l2eY0ntk7OGi+q0RlafrCnfPxC06WZA+uebCfmYp4mNU9jRBP1AhGyf8+W3ww==
+  dependencies:
+    ast-types-flow "0.0.7"
+
 babel-code-frame@^6.22.0, babel-code-frame@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-code-frame/-/babel-code-frame-6.26.0.tgz#63fd43f7dc1e3bb7ce35947db8fe369a3f58c74b"
@@ -1404,16 +1435,25 @@ code-point-at@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/code-point-at/-/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
 
-codelyzer@~4.5.0:
-  version "4.5.0"
-  resolved "https://registry.yarnpkg.com/codelyzer/-/codelyzer-4.5.0.tgz#a65ddeeeca2894653253a89bfa229118ff9f59b1"
-  dependencies:
-    app-root-path "^2.1.0"
-    css-selector-tokenizer "^0.7.0"
+codelyzer@~6.0.0:
+  version "6.0.2"
+  resolved "https://registry.yarnpkg.com/codelyzer/-/codelyzer-6.0.2.tgz#25d72eae641e8ff13ffd7d99b27c9c7ad5d7e135"
+  integrity sha512-v3+E0Ucu2xWJMOJ2fA/q9pDT/hlxHftHGPUay1/1cTgyPV5JTHFdO9hqo837Sx2s9vKBMTt5gO+lhF95PO6J+g==
+  dependencies:
+    "@angular/compiler" "9.0.0"
+    "@angular/core" "9.0.0"
+    app-root-path "^3.0.0"
+    aria-query "^3.0.0"
+    axobject-query "2.0.2"
+    css-selector-tokenizer "^0.7.1"
     cssauron "^1.4.0"
+    damerau-levenshtein "^1.0.4"
+    rxjs "^6.5.3"
     semver-dsl "^1.0.1"
     source-map "^0.5.7"
-    sprintf-js "^1.1.1"
+    sprintf-js "^1.1.2"
+    tslib "^1.10.0"
+    zone.js "~0.10.3"
 
 collection-visit@^1.0.0:
   version "1.0.0"
@@ -1452,6 +1492,11 @@ combined-stream@^1.0.6, combined-stream@~1.0.6:
   dependencies:
     delayed-stream "~1.0.0"
 
+commander@^2.11.0:
+  version "2.20.3"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
+  integrity sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==
+
 commander@^2.12.1:
   version "2.19.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.19.0.tgz#f6198aa84e5b83c46054b94ddedbfed5ee9ff12a"
@@ -1678,13 +1723,13 @@ css-parse@1.7.x:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/css-parse/-/css-parse-1.7.0.tgz#321f6cf73782a6ff751111390fc05e2c657d8c9b"
 
-css-selector-tokenizer@^0.7.0:
-  version "0.7.1"
-  resolved "https://registry.yarnpkg.com/css-selector-tokenizer/-/css-selector-tokenizer-0.7.1.tgz#a177271a8bca5019172f4f891fc6eed9cbf68d5d"
+css-selector-tokenizer@^0.7.1:
+  version "0.7.3"
+  resolved "https://registry.yarnpkg.com/css-selector-tokenizer/-/css-selector-tokenizer-0.7.3.tgz#735f26186e67c749aaf275783405cf0661fae8f1"
+  integrity sha512-jWQv3oCEL5kMErj4wRnK/OPoBi0D+P1FR2cDCKYPaMeD2eW3/mttav8HT4hT1CKopiJI/psEULjkClhvJo4Lvg==
   dependencies:
-    cssesc "^0.1.0"
-    fastparse "^1.1.1"
-    regexpu-core "^1.0.0"
+    cssesc "^3.0.0"
+    fastparse "^1.1.2"
 
 cssauron@^1.4.0:
   version "1.4.0"
@@ -1692,9 +1737,10 @@ cssauron@^1.4.0:
   dependencies:
     through X.X.X
 
-cssesc@^0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/cssesc/-/cssesc-0.1.0.tgz#c814903e45623371a0477b40109aaafbeeaddbb4"
+cssesc@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/cssesc/-/cssesc-3.0.0.tgz#37741919903b868565e1c09ea747445cd18983ee"
+  integrity sha512-/Tb/JcjK111nNScGob5MNtsntNM1aCNUDipB/TkwZFhyDrrE47SOx/18wF2bbjgc3ZzCSKW1T5nt5EbFoAz/Vg==
 
 currently-unhandled@^0.4.1:
   version "0.4.1"
@@ -1710,6 +1756,11 @@ cyclist@~0.2.2:
   version "0.2.2"
   resolved "https://registry.yarnpkg.com/cyclist/-/cyclist-0.2.2.tgz#1b33792e11e914a2fd6d6ed6447464444e5fa640"
 
+damerau-levenshtein@^1.0.4:
+  version "1.0.8"
+  resolved "https://registry.yarnpkg.com/damerau-levenshtein/-/damerau-levenshtein-1.0.8.tgz#b43d286ccbd36bc5b2f7ed41caf2d0aba1f8a6e7"
+  integrity sha512-sdQSFB7+llfUcQHUQO3+B8ERRj0Oa4w9POWMI/puGtuf7gFywGmkaLCElnudfTiKZV+NvHqL0ifzdrI8Ro7ESA==
+
 dashdash@^1.12.0:
   version "1.14.1"
   resolved "https://registry.yarnpkg.com/dashdash/-/dashdash-1.14.1.tgz#853cfa0f7cbe2fed5de20326b8dd581035f6e2f0"
@@ -2294,9 +2345,10 @@ fast-levenshtein@~2.0.4:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
 
-fastparse@^1.1.1:
+fastparse@^1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/fastparse/-/fastparse-1.1.2.tgz#91728c5a5942eced8531283c79441ee4122c35a9"
+  integrity sha512-483XLLxTVIwWK3QTrMGRqUfUpoOs/0hbQrl2oz4J0pAcm3A3bu84wxTFqGqkJzewCLdME38xJLJAxBABfQT8sQ==
 
 faye-websocket@^0.10.0:
   version "0.10.0"
@@ -3354,10 +3406,6 @@ jsesc@^2.5.1:
   version "2.5.2"
   resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-2.5.2.tgz#80564d2e483dacf6e8ef209650a67df3f0c283a4"
 
-jsesc@~0.5.0:
-  version "0.5.0"
-  resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-0.5.0.tgz#e7dee66e35d6fc16f710fe91d5cf69f70f08911d"
-
 json-parse-better-errors@^1.0.0, json-parse-better-errors@^1.0.1, json-parse-better-errors@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/json-parse-better-errors/-/json-parse-better-errors-1.0.2.tgz#bb867cfb3450e69107c131d1c514bab3dc8bcaa9"
@@ -4916,10 +4964,6 @@ reflect-metadata@^0.1.2:
   version "0.1.13"
   resolved "https://registry.yarnpkg.com/reflect-metadata/-/reflect-metadata-0.1.13.tgz#67ae3ca57c972a2aa1642b10fe363fe32d49dc08"
 
-regenerate@^1.2.1:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/regenerate/-/regenerate-1.4.0.tgz#4a856ec4b56e4077c557589cae85e7a4c8869a11"
-
 regenerator-runtime@^0.11.0:
   version "0.11.1"
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz#be05ad7f9bf7d22e056f9726cee5017fbf19e2e9"
@@ -4931,24 +4975,6 @@ regex-not@^1.0.0, regex-not@^1.0.2:
     extend-shallow "^3.0.2"
     safe-regex "^1.1.0"
 
-regexpu-core@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/regexpu-core/-/regexpu-core-1.0.0.tgz#86a763f58ee4d7c2f6b102e4764050de7ed90c6b"
-  dependencies:
-    regenerate "^1.2.1"
-    regjsgen "^0.2.0"
-    regjsparser "^0.1.4"
-
-regjsgen@^0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/regjsgen/-/regjsgen-0.2.0.tgz#6c016adeac554f75823fe37ac05b92d5a4edb1f7"
-
-regjsparser@^0.1.4:
-  version "0.1.5"
-  resolved "https://registry.yarnpkg.com/regjsparser/-/regjsparser-0.1.5.tgz#7ee8f84dc6fa792d3fd0ae228d24bd949ead205c"
-  dependencies:
-    jsesc "~0.5.0"
-
 remove-trailing-separator@^1.0.1:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/remove-trailing-separator/-/remove-trailing-separator-1.1.0.tgz#c24bce2a283adad5bc3f58e0d48249b92379d8ef"
@@ -5092,6 +5118,13 @@ rxjs@^6.1.0:
   dependencies:
     tslib "^1.9.0"
 
+rxjs@^6.5.3:
+  version "6.6.7"
+  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.6.7.tgz#90ac018acabf491bf65044235d5863c4dab804c9"
+  integrity sha512-hTdwr+7yYNIT5n4AMYp85KA6yw2Va0FLa3Rguvbpa4W3I5xynaBZo41cM3XM+4Q6fRMj3sBYIR1VAmZMXYJvRQ==
+  dependencies:
+    tslib "^1.9.0"
+
 safe-buffer@5.1.2, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.2"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
@@ -5576,9 +5609,10 @@ split-string@^3.0.1, split-string@^3.0.2:
   dependencies:
     extend-shallow "^3.0.0"
 
-sprintf-js@^1.1.1:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.1.2.tgz#da1765262bf8c0f571749f2ad6c26300207ae673"
+sprintf-js@^1.1.2:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.1.3.tgz#4914b903a2f8b685d17fdf78a70e917e872e444a"
+  integrity sha512-Oo+0REFV59/rz3gfJNKQiBlwfHaSESl1pcGyABQsnnIfWOFt6JNj5gCog2U6MLZ//IGYD+nA8nI+mTShREReaA==
 
 sprintf-js@~1.0.2:
   version "1.0.3"
@@ -5963,6 +5997,11 @@ ts-node@~8.0.0:
     source-map-support "^0.5.6"
     yn "^3.0.0"
 
+tslib@^1.10.0:
+  version "1.14.1"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.14.1.tgz#cf2d38bdc34a134bcaf1091c41f6619e2f672d00"
+  integrity sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==
+
 tslib@^1.8.0, tslib@^1.8.1, tslib@^1.9.0, tslib@^1.9.3:
   version "1.9.3"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.3.tgz#d7e4dd79245d85428c4d7e4822a79917954ca286"
@@ -6514,6 +6553,11 @@ yn@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/yn/-/yn-3.0.0.tgz#0073c6b56e92aed652fbdfd62431f2d6b9a7a091"
 
+zone.js@~0.10.3:
+  version "0.10.3"
+  resolved "https://registry.yarnpkg.com/zone.js/-/zone.js-0.10.3.tgz#3e5e4da03c607c9dcd92e37dd35687a14a140c16"
+  integrity sha512-LXVLVEq0NNOqK/fLJo3d0kfzd4sxwn2/h67/02pjCjfKDxgx1i9QqpvtHD8CrBnSSwMw5+dy11O7FRX5mkO7Cg==
+
 zone.js@~0.8.29:
   version "0.8.29"
   resolved "https://registry.yarnpkg.com/zone.js/-/zone.js-0.8.29.tgz#8dce92aa0dd553b50bc5bfbb90af9986ad845a12"