Upgrade to Angular 10.

package.json

@@ -11,17 +11,17 @@
   },
   "private": true,
   "dependencies": {
-    "@angular/animations": "^9.1.13",
+    "@angular/animations": "^10.2.5",
     "@angular/cdk": "^9.2.4",
-    "@angular/common": "^9.1.13",
-    "@angular/compiler": "^9.1.13",
-    "@angular/core": "^9.1.13",
+    "@angular/common": "^10.2.5",
+    "@angular/compiler": "^10.2.5",
+    "@angular/core": "^10.2.5",
     "@angular/flex-layout": "^9.0.0-beta.31",
-    "@angular/forms": "^9.1.13",
+    "@angular/forms": "^10.2.5",
     "@angular/material": "^9.2.4",
-    "@angular/platform-browser": "^9.1.13",
-    "@angular/platform-browser-dynamic": "^9.1.13",
-    "@angular/router": "^9.1.13",
+    "@angular/platform-browser": "^10.2.5",
+    "@angular/platform-browser-dynamic": "^10.2.5",
+    "@angular/router": "^10.2.5",
     "@ngx-formly/core": "^5.5.1",
     "@ngx-formly/material": "^5.5.1",
     "core-js": "^2.6.9",
@@ -30,29 +30,29 @@
     "ngx-page-scroll": "^7.0.0",
     "ngx-page-scroll-core": "^7.0.0",
     "rxjs": "^6.5.3",
-    "tslib": "^1.10.0",
+    "tslib": "^2.0.0",
     "zone.js": "~0.10.2"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "~0.901.15",
-    "@angular/cli": "^9.1.15",
-    "@angular/compiler-cli": "^9.1.13",
-    "@angular/language-service": "^9.1.13",
+    "@angular-devkit/build-angular": "~0.1002.4",
+    "@angular/cli": "^10.2.4",
+    "@angular/compiler-cli": "^10.2.5",
+    "@angular/language-service": "^10.2.5",
     "@types/jasmine": "^2.8.16",
     "@types/jasminewd2": "^2.0.8",
     "@types/node": "^12.11.1",
     "angular-cli-ghpages": "^0.6.0",
     "codelyzer": "^5.1.2",
-    "jasmine-core": "~3.3.0",
-    "jasmine-spec-reporter": "~4.2.1",
-    "karma": "^3.1.4",
-    "karma-chrome-launcher": "~2.2.0",
-    "karma-coverage-istanbul-reporter": "^2.0.6",
-    "karma-jasmine": "~1.1.1",
-    "karma-jasmine-html-reporter": "^1.4.2",
-    "protractor": "^5.4.2",
+    "jasmine-core": "~3.5.0",
+    "jasmine-spec-reporter": "~5.0.0",
+    "karma": "~5.0.0",
+    "karma-chrome-launcher": "~3.1.0",
+    "karma-coverage-istanbul-reporter": "~3.0.2",
+    "karma-jasmine": "~4.0.0",
+    "karma-jasmine-html-reporter": "^1.5.0",
+    "protractor": "~7.0.0",
     "ts-node": "~7.0.1",
-    "tslint": "~5.11.0",
-    "typescript": "~3.8.3"
+    "tslint": "~6.1.0",
+    "typescript": "~4.0.8"
   }
-}
+}

tsconfig.json

@@ -4,7 +4,7 @@
     "baseUrl": "./",
     "downlevelIteration": true,
     "importHelpers": true,
-    "module": "esnext",
+    "module": "es2020",
     "outDir": "./dist/out-tsc",
     "sourceMap": true,
     "declaration": false,

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": [