migrate certain files in __mocks__/ (#45071)

* change ref from styleMock.js to .ts

* change ref from fileMock.js to .ts

client/src/__mocks__/fileMock.js

@@ -1 +0,0 @@
-module.exports = {};

client/src/__mocks__/fileMock.ts

@@ -0,0 +1 @@
+export default {};

client/src/__mocks__/gatsby-link.js

@@ -1,8 +0,0 @@
-/* eslint-disable */
-import React from 'react';
-
-const mockComponent = name => props =>
-  React.createElement(name, props, props.children);
-
-export const navigateTo = () => {};
-export default mockComponent('MockedLink');

client/src/__mocks__/gatsby-link.ts

@@ -0,0 +1,13 @@
+/* eslint-disable */
+import React from 'react';
+
+const mockComponent =
+  (name: string) =>
+  (
+    props: React.InputHTMLAttributes<HTMLInputElement> &
+      React.ClassAttributes<HTMLInputElement>
+  ) =>
+    React.createElement(name, props, props.children);
+
+export const navigateTo = () => {};
+export default mockComponent('MockedLink');

client/src/__mocks__/styleMock.js

@@ -1 +0,0 @@
-module.exports = {};

client/src/__mocks__/styleMock.ts

@@ -0,0 +1 @@
+export default {};