fix: patchChildSlotNodes & scopedSlotTextContentFix not being applied (#6055)

* fix: `patchChildSlotNodes` not being applied properly

* chore: well that escalated quickly

* chore: don't patch global prototypes

* chore: fix node-22 / windows tests

---------

Co-authored-by: John Jenkins <john.jenkins@nanoporetech.com>

Author: johnjenkins

src/compiler/config/validate-config.ts

@@ -150,6 +150,8 @@ export const validateConfig = (
   validatedConfig.extras.scriptDataOpts = !!validatedConfig.extras.scriptDataOpts;
   validatedConfig.extras.initializeNextTick = !!validatedConfig.extras.initializeNextTick;
   validatedConfig.extras.tagNameTransform = !!validatedConfig.extras.tagNameTransform;
+  // TODO(STENCIL-1086): remove this option when it's the default behavior
+  validatedConfig.extras.experimentalScopedSlotChanges = !!validatedConfig.extras.experimentalScopedSlotChanges;
 
   // TODO(STENCIL-914): remove when `experimentalSlotFixes` is the default behavior
   // If the user set `experimentalSlotFixes` and any individual slot fix flags to `false`, we need to log a warning
@@ -160,6 +162,7 @@ export const validateConfig = (
       'slotChildNodesFix',
       'cloneNodeFix',
       'scopedSlotTextContentFix',
+      'experimentalScopedSlotChanges',
     ];
     const conflictingFlags = possibleFlags.filter((flag) => validatedConfig.extras[flag] === false);
     if (conflictingFlags.length > 0) {
@@ -185,9 +188,6 @@ export const validateConfig = (
     validatedConfig.extras.scopedSlotTextContentFix = !!validatedConfig.extras.scopedSlotTextContentFix;
   }
 
-  // TODO(STENCIL-1086): remove this option when it's the default behavior
-  validatedConfig.extras.experimentalScopedSlotChanges = !!validatedConfig.extras.experimentalScopedSlotChanges;
-
   setBooleanConfig(
     validatedConfig,
     'sourceMap',

src/declarations/stencil-private.ts

@@ -1455,6 +1455,13 @@ export interface RenderNode extends HostElement {
    * empty "" for shadow, "c" from scoped
    */
   ['s-en']?: '' | /*shadow*/ 'c' /*scoped*/;
+
+  /**
+   * On a `scoped: true` component
+   * with `experimentalSlotFixes` flag enabled,
+   * returns the internal `childNodes` of the scoped element
+   */
+  readonly __childNodes?: NodeListOf<ChildNode>;
 }
 
 export type LazyBundlesRuntimeData = LazyBundleRuntimeData[];

src/runtime/bootstrap-custom-element.ts

@@ -48,11 +48,11 @@ export const proxyCustomElement = (Cstr: any, compactMeta: d.ComponentRuntimeMet
     if (BUILD.scoped && cmpMeta.$flags$ & CMP_FLAGS.scopedCssEncapsulation) {
       // This check is intentionally not combined with the surrounding `experimentalSlotFixes` check
       // since, moving forward, we only want to patch the pseudo shadow DOM when the component is scoped
-      patchPseudoShadowDom(Cstr.prototype, cmpMeta);
+      patchPseudoShadowDom(Cstr.prototype);
     }
   } else {
     if (BUILD.slotChildNodesFix) {
-      patchChildSlotNodes(Cstr.prototype, cmpMeta);
+      patchChildSlotNodes(Cstr.prototype);
     }
     if (BUILD.cloneNodeFix) {
       patchCloneNode(Cstr.prototype);

src/runtime/bootstrap-lazy.ts

@@ -171,11 +171,11 @@ export const bootstrapLazy = (lazyBundles: d.LazyBundlesRuntimeData, options: d.
         // This check is intentionally not combined with the surrounding `experimentalSlotFixes` check
         // since, moving forward, we only want to patch the pseudo shadow DOM when the component is scoped
         if (BUILD.scoped && cmpMeta.$flags$ & CMP_FLAGS.scopedCssEncapsulation) {
-          patchPseudoShadowDom(HostElement.prototype, cmpMeta);
+          patchPseudoShadowDom(HostElement.prototype);
         }
       } else {
         if (BUILD.slotChildNodesFix) {
-          patchChildSlotNodes(HostElement.prototype, cmpMeta);
+          patchChildSlotNodes(HostElement.prototype);
         }
         if (BUILD.cloneNodeFix) {
           patchCloneNode(HostElement.prototype);