React 19.2 APIs (#149)

* react 19.2 <Activity />

* react 19.2 useEffectEvent

* react 19.2 partial pre-rendering

Author: Freddy03h

src/React.bs.js

@@ -459,3 +459,25 @@ captureOwnerStack reads the current Owner Stack in development and returns it as
 @module("react")
 @return(null_to_opt)
 external captureOwnerStack: unit => option<string> = "captureOwnerStack"
+
+/**
+<Activity> lets you hide and restore the UI and internal state of its children.
+[Read more on the React Documentation](https://react.dev/reference/react/Activity)
+*/
+module Activity = {
+  type mode =
+    | @as("visible") Visible
+    | @as("hidden") Hidden
+
+  type props = {mode?: mode, children: element, name?: string}
+
+  @module("react")
+  external make: component<props> = "Activity"
+}
+
+/**
+useEffectEvent is a React Hook that lets you extract non-reactive logic from your Effects into a reusable function called an Effect Event.
+[Read more on the React Documentation](https://react.dev/reference/react/useEffectEvent)
+*/
+@module("react")
+external useEffectEvent: (unit => unit) => unit = "useEffectEvent"

src/React.res

@@ -3,3 +3,31 @@ external renderToString: React.element => string = "renderToString"
 
 @module("react-dom/server")
 external renderToStaticMarkup: React.element => string = "renderToStaticMarkup"
+
+type resumeOptions<'error> = {
+  nonce?: string,
+  signal?: ReactDOMStatic.abortSignal,
+  onError?: 'error => unit,
+}
+
+/**
+resume streams a pre-rendered React tree to a Readable Web Stream.
+[Read more on the React Documentation](https://react.dev/reference/react-dom/server/resume)
+*/
+@module("react-dom/server")
+external resume: (
+  React.element,
+  ReactDOMStatic.postponedState,
+  ~options: resumeOptions<'error>=?,
+) => promise<ReactDOMStatic.readableStream> = "resume"
+
+/**
+resumeToPipeableStream streams a pre-rendered React tree  to a pipeable Node.js Stream.
+[Read more on the React Documentation](https://react.dev/reference/react-dom/server/resumeToPipeableStream)
+*/
+@module("react-dom/server")
+external resumeToPipeableStream: (
+  React.element,
+  ReactDOMStatic.postponedState,
+  ~options: resumeOptions<'error>=?,
+) => promise<ReactDOMStatic.nodeStream> = "resumeToPipeableStream"

src/ReactDOMServer.res

@@ -4,6 +4,8 @@ type nodeStream // NodeJs.Stream.stream
 
 type readableStream // WebAPI.FileAPI.readableStream
 
+type postponedState
+
 type prerenderOptions<'error> = {
   bootstrapScriptContent?: string,
   bootstrapScripts?: array<string>,
@@ -15,16 +17,46 @@ type prerenderOptions<'error> = {
   signal?: abortSignal,
 }
 
-type staticResult = {prelude: readableStream}
+type staticResult = {prelude: readableStream, postponed: postponedState}
 
+/**
+prerender renders a React tree to a static HTML string using a Web Stream.
+[Read more on the React Documentation](https://react.dev/reference/react-dom/static/prerender)
+*/
 @module("react-dom/static")
 external prerender: (React.element, ~options: prerenderOptions<'error>=?) => promise<staticResult> =
   "prerender"
 
-type staticResultNode = {prelude: nodeStream}
+/**
+resumeAndPrerender continues a prerendered React tree to a static HTML string using a Web Stream.
+[Read more on the React Documentation](https://react.dev/reference/react-dom/static/resumeAndPrerender)
+*/
+@module("react-dom/static")
+external resumeAndPrerender: (
+  React.element,
+  postponedState,
+  ~options: prerenderOptions<'error>=?,
+) => promise<staticResult> = "resumeAndPrerender"
+
+type staticResultNode = {prelude: nodeStream, postponed: postponedState}
 
+/**
+prerenderToNodeStream renders a React tree to a static HTML string using a Node.js Stream.
+[Read more on the React Documentation](https://react.dev/reference/react-dom/static/prerenderToNodeStream)
+*/
 @module("react-dom/static")
 external prerenderToNodeStream: (
   React.element,
   ~options: prerenderOptions<'error>=?,
 ) => promise<staticResultNode> = "prerenderToNodeStream"
+
+/**
+resumeAndPrerenderToNodeStream continues a prerendered React tree to a static HTML string using a a Node.js Stream.
+[Read more on the React Documentation](https://react.dev/reference/react-dom/static/resumeAndPrerenderToNodeStream)
+*/
+@module("react-dom/static")
+external resumeAndPrerenderToNodeStream: (
+  React.element,
+  postponedState,
+  ~options: prerenderOptions<'error>=?,
+) => promise<staticResultNode> = "resumeAndPrerenderToNodeStream"