Use Object.is instead of the adhoc func

Author: JoviDeCroock

compat/src/hooks.js

@@ -1,5 +1,4 @@
 import { useState, useLayoutEffect, useEffect } from 'preact/hooks';
-import { is } from './util';
 
 /**
  * This is taken from https://github.com/facebook/react/blob/main/packages/use-sync-external-store/src/useSyncExternalStoreShimClient.js#L84
@@ -47,7 +46,7 @@ function didSnapshotChange(inst) {
 	const prevValue = inst._value;
 	try {
 		const nextValue = latestGetSnapshot();
-		return !is(prevValue, nextValue);
+		return !Object.is(prevValue, nextValue);
 	} catch (error) {
 		return true;
 	}

compat/src/util.js

@@ -11,14 +11,3 @@ export function shallowDiffers(a, b) {
 	for (let i in b) if (i !== '__source' && a[i] !== b[i]) return true;
 	return false;
 }
-
-/**
- * Check if two values are the same value
- * @param {*} x
- * @param {*} y
- * @returns {boolean}
- */
-export function is(x, y) {
-	// TODO: can we replace this with Object.is?
-	return (x === y && (x !== 0 || 1 / x === 1 / y)) || (x !== x && y !== y);
-}