Specs: custom element constructor argument shouldn't clash with the module-global 'module' identifi…

sky/examples/calculator/buttons.sky

 SKY MODULE - button widgets for calculator
 <!-- TODO(ianh): implement accessibility handling once the ax service exists -->
 
 <script>
   class AbstractButton extends Element {
-    constructor (module) {
-      super(module);
+    constructor (hostModule) {
+      super(hostModule);
       let selector = new SelectorQuery('.dynamic');
       this.addEventListener('pointer-down', (event) => {
         selector.findAll(this.shadowRoot).every((element) => element.setAttribute('clicked'));
         // TODO(ianh): track the pointer; if it leaves the button, cancel the click
         // TOOD(ianh): if the pointer doesn't leave the button before being released, then fire some event on ourselves
         module.application.document.addEventListener('pointer-up', function upHandler (event) {
           module.application.document.removeEventListener('pointer-up', upHandler);
           selector.findAll(this.shadowRoot).every((element) => element.removeAttribute('clicked'));
         });
       });
@@ skipping 34 matching lines @@
   <content/>
  </div>
 </template>
 
 <script>
  module.exports = {
    ThreeDButtonElement: module.registerElement(
      class extends AbstractButton {
        static get tagName() { return 'graybutton'; }
        static get shadow() { return true; }
-       constructor (module) {
-         super(module);
+       constructor (hostModule) {
+         super(hostModule);
          this.shadowRoot.append(module.document.findId('threed-button-shadow-tree').cloneNode(true));
        }
      }
    ),
    FlatButtonElement: module.registerElement(
      class extends AbstractButton {
        static get tagName() { return 'flatbutton'; }
        static get shadow() { return true; }
-       constructor (module) {
-         super(module);
+       constructor (hostModule) {
+         super(hostModule);
          this.shadowRoot.append(module.document.findId('flat-shadow-tree').cloneNode(true));
        }
      }
    ),
  };
 </script>