chore: tsconfig noImplicitThis true

src/test/eventlisteners.ts

@@ -151,8 +151,8 @@ describe('event listeners', function () {
     assert.strictEqual(5, called);
   });
   it('access to virtual node in event handler', function () {
-    var result: VNode[] = [];
+    var result: Array<VNode | HTMLElement> = [];
-    function clicked (ev: Event, vnode: VNode) {
+    function clicked (this: HTMLElement, ev: Event, vnode: VNode) {
       result.push(this);
       result.push(vnode);
     }
@@ -166,8 +166,8 @@ describe('event listeners', function () {
     assert.strictEqual(vnode1, result[1]);
   });
   it('access to virtual node in event handler with argument', function () {
-    var result: Array<VNode | Event> = [];
+    var result: Array<VNode | HTMLElement> = [];
-    function clicked (arg: number, ev: Event, vnode: VNode) {
+    function clicked (this: HTMLElement, arg: number, ev: Event, vnode: VNode) {
       result.push(this);
       result.push(vnode);
     }
@@ -181,8 +181,8 @@ describe('event listeners', function () {
     assert.strictEqual(vnode1, result[1]);
   });
   it('access to virtual node in event handler with arguments', function () {
-    var result: Array<VNode | Event> = [];
+    var result: Array<VNode | HTMLElement> = [];
-    function clicked (arg1: number, arg2: string, ev: Event, vnode: VNode) {
+    function clicked (this: HTMLElement, arg1: number, arg2: string, ev: Event, vnode: VNode) {
       result.push(this);
       result.push(vnode);
     }

tsconfig.json

@@ -3,7 +3,6 @@
     "compilerOptions": {
         "strictFunctionTypes": false,
         "strictBindCallApply": false,
-        "noImplicitThis": false,
         "target": "ES5",
         "jsx": "react",
         "jsxFactory": "jsx",