fix: always remove leading - and Element suffix

Co-authored-by: Mu-An Chiou <me@muanchiou.com>

Author: keithamus

src/register.ts

@@ -12,7 +12,7 @@ interface CustomElement {
 export function register(classObject: CustomElement): void {
   const name = classObject.name
     .replace(/([A-Z]($|[a-z]))/g, '-$1')
-    .replace(/(^-|-Element$)/, '')
+    .replace(/(^-|-Element$)/g, '')
     .toLowerCase()
   if (!window.customElements.get(name)) {
     // eslint-disable-next-line @typescript-eslint/ban-ts-comment

test/register.js

@@ -41,8 +41,8 @@ describe('register', () => {
   })
 
   it('automatically drops the `Element` suffix', () => {
-    class ASuffixedElement {}
-    register(ASuffixedElement)
-    expect(window.customElements.get('a-suffixed')).to.equal(ASuffixedElement)
+    class AutoCompleteElement {}
+    register(AutoCompleteElement)
+    expect(window.customElements.get('auto-complete')).to.equal(AutoCompleteElement)
   })
 })