From be42f69597cb952340a9777ea399ef11e51f01aa Mon Sep 17 00:00:00 2001
From: szymon <s.kolodziejczak95@gmail.com>
Date: Thu, 23 Sep 2021 15:15:18 +0200
Subject: [PATCH 1/3] feat(schedule): scheduler uses macroTasks when possible

---
 src/schedule.ts | 26 +++++++++++++++++++-------
 1 file changed, 19 insertions(+), 7 deletions(-)

diff --git a/src/schedule.ts b/src/schedule.ts
index 7ea7ea09..11cdcacf 100644
--- a/src/schedule.ts
+++ b/src/schedule.ts
@@ -1,5 +1,4 @@
 import { IFiber, ITask, ITaskCallback } from "./type"
-import { options } from "./reconcile"
 
 const queue: ITask[] = []
 const threshold: number = 1000 / 60
@@ -7,7 +6,7 @@ const transitions = []
 let deadline: number = 0
 
 export const startTransition = (cb) => {
-  transitions.push(cb) && postMessage()
+  transitions.push(cb) && runTransition()
 }
 
 export const schedule = (callback: any): void => {
@@ -15,16 +14,29 @@ export const schedule = (callback: any): void => {
   startTransition(flush)
 }
 
-const postMessage = (() => {
+const transitionRunnerFactory = (useMicrotasks: boolean) => {
   const cb = () => transitions.splice(0, 1).forEach((c) => c())
 
+  if (useMicrotasks) {
+    if (typeof queueMicrotask !== "undefined") {
+      return () => queueMicrotask(cb)
+    }
+    const resolvedPromise = Promise.resolve()
+    return () => resolvedPromise.then(cb)
+ }
+
   if (typeof MessageChannel !== "undefined") {
     const { port1, port2 } = new MessageChannel()
     port1.onmessage = cb
     return () => port2.postMessage(null)
   }
   return () => setTimeout(cb)
-})()
+}
+
+const runTransitionAsTask = transitionRunnerFactory(false)
+const runTransitionAsMicroTask = transitionRunnerFactory(true)
+
+let runTransition = runTransitionAsMicroTask
 
 const flush = (): void => {
   deadline = getTime() + threshold
@@ -44,10 +56,10 @@ const flush = (): void => {
 }
 
 export const shouldYield = (): boolean => {
-  if (options.sync) return false
-  return (
+  const isInputPending =
     (navigator as any)?.scheduling?.isInputPending() || getTime() >= deadline
-  )
+  runTransition = isInputPending ? runTransitionAsTask : runTransitionAsMicroTask
+  return isInputPending
 }
 
 export const getTime = () => performance.now()

From f0e33596318c854ce7522efad444b1e4cd408e29 Mon Sep 17 00:00:00 2001
From: szymon <s.kolodziejczak95@gmail.com>
Date: Thu, 23 Sep 2021 15:20:13 +0200
Subject: [PATCH 2/3] chore(demo): update benchmark and concurrent demos

---
 demo/src/benchmark.tsx  | 2 +-
 demo/src/concurrent.tsx | 5 ++---
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/demo/src/benchmark.tsx b/demo/src/benchmark.tsx
index 6471d7db..fb63c788 100644
--- a/demo/src/benchmark.tsx
+++ b/demo/src/benchmark.tsx
@@ -233,4 +233,4 @@ const Main = () => {
   )
 }
 
-render(<Main />, document.body, { sync: true })
\ No newline at end of file
+render(<Main />, document.body)
\ No newline at end of file
diff --git a/demo/src/concurrent.tsx b/demo/src/concurrent.tsx
index 322dd082..7ab9f8c0 100644
--- a/demo/src/concurrent.tsx
+++ b/demo/src/concurrent.tsx
@@ -1,7 +1,7 @@
 // import { h, render, useState, useEffect } from 'fre'
 // import { h, render } from 'preact'
 // import {useState, useEffect } from 'preact/hooks'
-import { render, useState, useEffect,h, createRoot } from '../../src/index'
+import { render, useState, useEffect, h } from '../../src/index'
 
 const UPDATE_EVERY = 500
 const BLOCK_FOR = 5
@@ -297,5 +297,4 @@ ul.solarsystem li.jupiter {
 </div>`
 
 document.body.insertBefore(div, app)
-// render(<App />, app)
-createRoot(document.getElementById('app')).render(<App />)
+render(<App />, app)

From d2b0809ea4dde956e6baa6c96210cd3fd78836a8 Mon Sep 17 00:00:00 2001
From: szymon <s.kolodziejczak95@gmail.com>
Date: Thu, 23 Sep 2021 15:22:39 +0200
Subject: [PATCH 3/3] chore(package.json): next minor version

---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 99166363..55cb5d5d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "fre",
-  "version": "2.3.4",
+  "version": "2.4.0",
   "type": "module",
   "main": "dist/fre.js",
   "unpkg": "dist/fre.umd.js",