refactor: add shared event base types

Author: jderochervlk

docs/superpowers/plans/2026-06-02-dom-event-base-types.md

@@ -2,15 +2,15 @@
   "name": "@rescript/webapi",
   "namespace": "WebAPI",
   "features": {
-    "WebAPI.Base": ["WebAPI.Location"],
+    "WebAPI.Base": ["WebAPI.EventTypes", "WebAPI.Location"],
     "WebAPI.DOM": [
       "WebAPI.Base",
       "WebAPI.CSSFontLoading",
       "WebAPI.ChannelMessaging",
       "WebAPI.CSSTypedOM",
       "WebAPI.DOMException",
       "WebAPI.DOMStringList",
-      "WebAPI.Event",
+      "WebAPI.EventTypes",
       "WebAPI.File",
       "WebAPI.FileAndDirectoryEntries",
       "WebAPI.FileList",
@@ -32,7 +32,9 @@
     ],
     "WebAPI.CSSOM": ["WebAPI.DOM", "WebAPI.Event"],
     "WebAPI.CustomElements": ["WebAPI.DOM"],
-    "WebAPI.Event": ["WebAPI.Base"],
+    "WebAPI.CredentialManagement": ["WebAPI.Event"],
+    "WebAPI.EventTypes": [],
+    "WebAPI.Event": ["WebAPI.Base", "WebAPI.EventTypes"],
     "WebAPI.Fetch": ["WebAPI.Event", "WebAPI.File", "WebAPI.URL"],
     "WebAPI.File": ["WebAPI.Base", "WebAPI.Event"],
     "WebAPI.FileAndDirectoryEntries": ["WebAPI.Base", "WebAPI.DOMException"],
@@ -66,6 +68,8 @@
     ],
     "WebAPI.Locks": ["WebAPI.Event"],
     "WebAPI.MIDI": ["WebAPI.Event"],
+    "WebAPI.Notification": ["WebAPI.Event"],
+    "WebAPI.Push": ["WebAPI.ChannelMessaging", "WebAPI.Event"],
     "WebAPI.Sockets": [
       "WebAPI.ChannelMessaging",
       "WebAPI.Event",
@@ -96,9 +100,6 @@
       "feature": "WebAPI.Base",
       "public": [
         "ArrayBufferTypedArrayOrDataView",
-        "BaseCSSFontLoading",
-        "BaseEncryptedMediaExtensions",
-        "BaseEvent",
         "BaseFile",
         "BaseFileAndDirectoryEntries"
       ]
@@ -179,6 +180,12 @@
       "feature": "WebAPI.DOMException",
       "public": ["DOMException"]
     },
+    {
+      "dir": "src/EventTypes",
+      "subdirs": true,
+      "feature": "WebAPI.EventTypes",
+      "public": ["EventType"]
+    },
     {
       "dir": "src/DOMStringList",
       "subdirs": true,

rescript.json

@@ -13,7 +13,7 @@ type fontFaceSetLoadStatus =
 */
 @editor.completeFrom(BaseCSSFontLoading.FontFaceSet)
 type rec fontFaceSet = private {
-  ...BaseEvent.eventTarget,
+  ...Base__EventTarget.t,
   /**
     [Read more on MDN](https://developer.mozilla.org/docs/Web/API/FontFaceSet/ready)
     */

src/Base/BaseCSSFontLoading.res

@@ -61,7 +61,7 @@ This WebApiEncryptedMediaExtensions API interface represents a context for mess
 */
 @editor.completeFrom(BaseEncryptedMediaExtensions.MediaKeySession)
 type mediaKeySession = private {
-  ...BaseEvent.eventTarget,
+  ...Base__EventTarget.t,
   /**
     [Read more on MDN](https://developer.mozilla.org/docs/Web/API/MediaKeySession/sessionId)
     */

src/Base/BaseEncryptedMediaExtensions.res

@@ -122,7 +122,7 @@ TODO: mark as private once mutating fields of private records is allowed
 */
 @editor.completeFrom(OffscreenCanvas)
 type offscreenCanvas = {
-  ...EventTypes.eventTarget,
+  ...Event.eventTarget,
   /**
     These attributes return the dimensions of the OffscreenCanvas object's bitmap.
 

src/Base/BaseEvent.res

@@ -6,7 +6,7 @@ This Channel Messaging API interface represents one of the two ports of a Messag
 */
 @editor.completeFrom(MessagePort)
 type messagePort = private {
-  ...EventTypes.eventTarget,
+  ...Event.eventTarget,
 }
 
 type structuredSerializeOptions = {mutable transfer?: array<Dict.t<string>>}

src/Canvas/CanvasTypes.res

@@ -25,7 +25,7 @@ type clipboardItem = private {
 */
 @editor.completeFrom(WebApiClipboard)
 type clipboard = private {
-  ...EventTypes.eventTarget,
+  ...Event.eventTarget,
 }
 
 type clipboardItemOptions = {mutable presentationStyle?: presentationStyle}

src/ChannelMessaging/ChannelMessagingTypes.res

@@ -91,7 +91,7 @@ type publicKeyCredentialRequestOptions = {
 
 type credentialRequestOptions = {
   mutable mediation?: credentialMediationRequirement,
-  mutable signal?: EventTypes.abortSignal,
+  mutable signal?: AbortSignal.t,
   mutable publicKey?: publicKeyCredentialRequestOptions,
 }
 
@@ -133,6 +133,6 @@ type publicKeyCredentialCreationOptions = {
 }
 
 type credentialCreationOptions = {
-  mutable signal?: EventTypes.abortSignal,
+  mutable signal?: AbortSignal.t,
   mutable publicKey?: publicKeyCredentialCreationOptions,
 }

src/Clipboard/ClipboardTypes.res

@@ -10,6 +10,10 @@ type domStringList = DOMStringList.t
 
 type window
 
+type event = Base__Event.t = private {...Base__Event.t}
+
+type eventTarget = Base__EventTarget.t = private {...Base__EventTarget.t}
+
 type shadowRootMode =
   | @as("closed") Closed
   | @as("open") Open
@@ -2181,7 +2185,7 @@ TODO: mark as private once mutating fields of private records is allowed
 */
 @editor.completeFrom(DOM.Node)
 type rec node = {
-  ...BaseEvent.eventTarget,
+  ...eventTarget,
   /**
     Returns the type of node.
     [Read more on MDN](https://developer.mozilla.org/docs/Web/API/Node/nodeType)
@@ -6150,7 +6154,7 @@ Stores information on a media query applied to a document, and handles sending n
 */
 @editor.completeFrom(DOM.MediaQueryList)
 type mediaQueryList = private {
-  ...BaseEvent.eventTarget,
+  ...eventTarget,
   /**
     [Read more on MDN](https://developer.mozilla.org/docs/Web/API/MediaQueryList/media)
     */