test: make them pass, + downgrade typescript to 2.8 for immutable-js/immutable-js#1540

Author: cormacrelf

package.json

@@ -37,7 +37,7 @@
         "tsickle": "^0.32.0",
         "tslib": "^1.9.0",
         "tslint": "~5.11.0",
-        "typescript": "~2.9.2",
+        "typescript": "~2.8.4",
         "zone.js": "^0.8.26"
     },
     "scripts": {

packages/examples/src/app/xy-pad/box-drag-preview/box-drag-preview.component.ts

@@ -39,9 +39,4 @@ import { Subject } from 'rxjs';
     ]
 })
 export class BoxDragPreviewComponent implements OnInit {
-    @Input() title;
-
-    constructor() {}
-
-    ngOnInit() {}
 }

packages/examples/src/app/xy-pad/crosshairs.component.ts

@@ -14,8 +14,8 @@ import { Component, Input } from '@angular/core';
 })
 export class CrosshairsComponent {
     math = Math;
-    @Input() x: number;
-    @Input() y: number;
+    @Input() x!: number;
+    @Input() y!: number;
     @Input() width: number = 400;
     @Input() height: number = 400;
 }

packages/examples/src/app/xy-pad/spot.component.ts

@@ -20,6 +20,5 @@ import { Component, OnInit, Input } from '@angular/core';
     ]
 })
 export class SpotComponent {
-    @Input() title: string;
     @Input() compensate = false;
 }

packages/examples/src/app/xy-pad/spot.ts

@@ -1,6 +1,6 @@
-export class Spot {
+export interface Spot {
     id: number;
     x: number;
     y: number;
-    fromCube?: boolean = false;
-}
+    fromCube?: boolean;
+}

yarn.lock

@@ -9190,10 +9190,14 @@ typescript@2.8.3:
   version "2.7.2"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.7.2.tgz#2d615a1ef4aee4f574425cdff7026edf81919836"
 
-typescript@^2.4.2, typescript@~2.9.1, typescript@~2.9.2:
+typescript@^2.4.2, typescript@~2.9.1:
   version "2.9.2"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.9.2.tgz#1cbf61d05d6b96269244eb6a3bce4bd914e0f00c"
 
+typescript@~2.8.4:
+  version "2.8.4"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.8.4.tgz#0b1db68e6bdfb0b767fa2ab642136a35b059b199"
+
 ua-parser-js@^0.7.18:
   version "0.7.18"
   resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.18.tgz#a7bfd92f56edfb117083b69e31d2aa8882d4b1ed"