Upgraded to angular 10

.browserslistrc

@@ -9,4 +9,4 @@
 last 2 versions
 Firefox ESR
 not dead
-not IE 9-11 # For IE 9-11 support, remove 'not'.
+IE 9-11 # For IE 9-11 support, remove 'not'.

e2e/tsconfig.e2e.json

@@ -1,5 +1,5 @@
 {
-  "extends": "../tsconfig.json",
+  "extends": "../tsconfig.base.json",
   "compilerOptions": {
     "outDir": "../out-tsc/e2e",
     "baseUrl": "./",

package.json

@@ -15,42 +15,42 @@
   },
   "private": true,
   "dependencies": {
-    "@angular/animations": "^9.1.11",
-    "@angular/cdk": "^9.2.4",
-    "@angular/common": "^9.1.11",
-    "@angular/compiler": "^9.1.11",
-    "@angular/core": "^9.1.11",
-    "@angular/forms": "^9.1.11",
-    "@angular/material": "^9.2.4",
-    "@angular/platform-browser": "^9.1.11",
-    "@angular/platform-browser-dynamic": "^9.1.11",
-    "@angular/router": "^9.1.11",
+    "@angular/animations": "^10.0.4",
+    "@angular/cdk": "^10.1.0",
+    "@angular/common": "^10.0.4",
+    "@angular/compiler": "^10.0.4",
+    "@angular/core": "^10.0.4",
+    "@angular/forms": "^10.0.4",
+    "@angular/material": "^10.1.0",
+    "@angular/platform-browser": "^10.0.4",
+    "@angular/platform-browser-dynamic": "^10.0.4",
+    "@angular/router": "^10.0.4",
     "cookieconsent": "^3.1.1",
     "core-js": "^3.2.1",
-    "rxjs": "^6.5.5",
-    "tslib": "^1.10.0",
+    "rxjs": "^6.6.0",
+    "tslib": "^2.0.0",
     "web-animations-js": "^2.3.2",
     "zone.js": "~0.10.3"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "~0.901.9",
-    "@angular/cli": "^9.1.9",
-    "@angular/compiler-cli": "^9.1.11",
-    "@angular/language-service": "^9.1.11",
+    "@angular-devkit/build-angular": "~0.1000.3",
+    "@angular/cli": "^10.0.3",
+    "@angular/compiler-cli": "^10.0.4",
+    "@angular/language-service": "^10.0.4",
     "@types/jasmine": "~3.4.0",
     "@types/jasminewd2": "~2.0.6",
     "@types/node": "^12.11.1",
-    "codelyzer": "^5.1.2",
+    "codelyzer": "^6.0.0",
     "jasmine-core": "~3.5.0",
-    "jasmine-spec-reporter": "~4.2.1",
-    "karma": "~4.3.0",
+    "jasmine-spec-reporter": "~5.0.0",
+    "karma": "~5.0.0",
     "karma-chrome-launcher": "~3.1.0",
-    "karma-coverage-istanbul-reporter": "^2.1.0",
-    "karma-jasmine": "~2.0.1",
-    "karma-jasmine-html-reporter": "^1.4.2",
-    "protractor": "~5.4.2",
+    "karma-coverage-istanbul-reporter": "~3.0.2",
+    "karma-jasmine": "~3.3.0",
+    "karma-jasmine-html-reporter": "^1.5.0",
+    "protractor": "~7.0.0",
     "ts-node": "~8.4.1",
-    "tslint": "~5.20.0",
-    "typescript": "~3.7.5"
+    "tslint": "~6.1.0",
+    "typescript": "~3.9.7"
   }
-}
+}

src/tsconfig.app.json

@@ -1,5 +1,5 @@
 {
-  "extends": "../tsconfig.json",
+  "extends": "../tsconfig.base.json",
   "compilerOptions": {
     "outDir": "../out-tsc/app",
     "baseUrl": "./",

src/tsconfig.spec.json

@@ -1,5 +1,5 @@
 {
-  "extends": "../tsconfig.json",
+  "extends": "../tsconfig.base.json",
   "compilerOptions": {
     "outDir": "../out-tsc/spec",
     "baseUrl": "./",

tsconfig.base.json

@@ -0,0 +1,23 @@
+{
+  "compileOnSave": false,
+  "compilerOptions": {
+    "downlevelIteration": true,
+    "importHelpers": true,
+    "outDir": "./dist/out-tsc",
+    "sourceMap": true,
+    "declaration": false,
+    "moduleResolution": "node",
+    "emitDecoratorMetadata": true,
+    "experimentalDecorators": true,
+    "target": "es2015",
+    "typeRoots": [
+      "node_modules/@types"
+    ],
+    "lib": [
+      "es2017",
+      "dom"
+    ],
+    "module": "es2020",
+    "baseUrl": "./"
+  }
+}

tsconfig.json

@@ -1,23 +1,17 @@
+/*
+  This is a "Solution Style" tsconfig.json file, and is used by editors and TypeScript’s language server to improve development experience.
+  It is not intended to be used to perform a compilation.
+
+  To learn more about this file see: https://angular.io/config/solution-tsconfig.
+*/
 {
-  "compileOnSave": false,
-  "compilerOptions": {
-    "downlevelIteration": true,
-    "importHelpers": true,
-    "outDir": "./dist/out-tsc",
-    "sourceMap": true,
-    "declaration": false,
-    "moduleResolution": "node",
-    "emitDecoratorMetadata": true,
-    "experimentalDecorators": true,
-    "target": "es2015",
-    "typeRoots": [
-      "node_modules/@types"
-    ],
-    "lib": [
-      "es2017",
-      "dom"
-    ],
-    "module": "esnext",
-    "baseUrl": "./"
-  }
+  "files": [],
+  "references": [
+    {
+      "path": "./src/tsconfig.app.json"
+    },
+    {
+      "path": "./src/tsconfig.spec.json"
+    }
+  ]
 }

tslint.json

@@ -72,7 +72,6 @@
     "no-trailing-whitespace": true,
     "no-unnecessary-initializer": true,
     "no-unused-expression": true,
-    "no-use-before-declare": true,
     "no-var-keyword": true,
     "object-literal-sort-keys": false,
     "one-line": [