Migrate from Angular 6 to 7 and update packages

Author: davidwalschots

angular-reactive-validation/package.json

@@ -1,7 +1,7 @@
 {
   "name": "angular-reactive-validation",
-  "description": "I believe Reactive Forms validation shouldn't require the developer to write lots of HTML to show validation messages. This library makes it easy.",
-  "version": "1.0.0",
+  "description": "Reactive Forms validation shouldn't require the developer to write lots of HTML to show validation messages. This library makes it easy.",
+  "version": "2.0.0",
   "repository": {
     "type": "git",
     "url": "https://github.com/davidwalschots/angular-reactive-validation.git"
@@ -19,9 +19,9 @@
   "license": "MIT",
   "private": false,
   "peerDependencies": {
-    "@angular/core": "^6.0.0",
-    "@angular/common": "^6.0.0",
-    "@angular/forms": "^6.0.0",
+    "@angular/core": "^7.0.0",
+    "@angular/common": "^7.0.0",
+    "@angular/forms": "^7.0.0",
     "rxjs": "^6.1.0"
   },
   "ngPackage": {

angular-reactive-validation/src/validation-messages/validation-messages.component.spec.ts

@@ -54,15 +54,15 @@ describe('ValidationMessagesComponent', () => {
     });
 
     it(`for property handles a single input string`, () => {
-      component.for = 'firstName';
+      expect(() => component.for = 'firstName').not.toThrow();
     });
 
     it(`for property handles a single input FormControl`, () => {
-      component.for = firstNameControl;
+      expect(() => component.for = firstNameControl).not.toThrow();
     });
 
     it(`for property handles an array with strings and FormControls`, () => {
-      component.for = [firstNameControl, 'middleName', lastNameControl];
+      expect(() => component.for = [firstNameControl, 'middleName', lastNameControl]).not.toThrow();
     });
 
     it(`isValid returns true when there are no controls with ValidationErrors and they are touched (default configuration)`, () => {

angular-reactive-validation/src/validator-declaration.ts

@@ -60,7 +60,7 @@ export class ValidatorDeclaration {
   }
 
   private static unwrapArgument<T>(arg: T | (() => T)): T {
-    if (typeof arg === 'function') {
+    if (arg instanceof Function) {
       arg = arg();
     }