scan through all siblings (not just until the first non-element) when doing an outerHTML swap to add things to settle

fixes https://github.com/bigskysoftware/htmx/issues/2787

src/htmx.js

@@ -1639,13 +1639,13 @@ var htmx = (function() {
       newElt = eltBeforeNewContent.nextSibling
     }
     settleInfo.elts = settleInfo.elts.filter(function(e) { return e !== target })
+    // scan through all newly added content and add all elements to the settle info so we trigger
+    // events properly on them
     while (newElt && newElt !== target) {
       if (newElt instanceof Element) {
         settleInfo.elts.push(newElt)
-        newElt = newElt.nextElementSibling
-      } else {
-        newElt = null
       }
+      newElt = newElt.nextSibling
     }
     cleanUpElement(target)
     if (target instanceof Element) {

test/core/events.js

@@ -163,6 +163,24 @@ describe('Core htmx Events', function() {
     }
   })
 
+  it('htmx:afterSwap is called when replacing outerHTML, new line content', function() {
+    var called = false
+    var handler = htmx.on('htmx:afterSwap', function(evt) {
+      called = true
+    })
+    try {
+      this.server.respondWith('POST', '/test', function(xhr) {
+        xhr.respond(200, {}, '\n<button>Bar</button>')
+      })
+      var div = make("<button hx-post='/test' hx-swap='outerHTML'>Foo</button>")
+      div.click()
+      this.server.respond()
+      should.equal(called, true)
+    } finally {
+      htmx.off('htmx:afterSwap', handler)
+    }
+  })
+
   it('htmx:oobBeforeSwap is called before swap', function() {
     var called = false
     var handler = htmx.on('htmx:oobBeforeSwap', function(evt) {