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node_modules/preact/compat/src/index.js

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+import {
+	createElement,
+	render as preactRender,
+	cloneElement as preactCloneElement,
+	createRef,
+	Component,
+	createContext,
+	Fragment
+} from 'preact';
+import {
+	useState,
+	useId,
+	useReducer,
+	useEffect,
+	useLayoutEffect,
+	useRef,
+	useImperativeHandle,
+	useMemo,
+	useCallback,
+	useContext,
+	useDebugValue
+} from 'preact/hooks';
+import { PureComponent } from './PureComponent';
+import { memo } from './memo';
+import { forwardRef } from './forwardRef';
+import { Children } from './Children';
+import { Suspense, lazy } from './suspense';
+import { SuspenseList } from './suspense-list';
+import { createPortal } from './portals';
+import { is } from './util';
+import {
+	hydrate,
+	render,
+	REACT_ELEMENT_TYPE,
+	__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED
+} from './render';
+
+const version = '17.0.2'; // trick libraries to think we are react
+
+/**
+ * Legacy version of createElement.
+ * @param {import('./internal').VNode["type"]} type The node name or Component constructor
+ */
+function createFactory(type) {
+	return createElement.bind(null, type);
+}
+
+/**
+ * Check if the passed element is a valid (p)react node.
+ * @param {*} element The element to check
+ * @returns {boolean}
+ */
+function isValidElement(element) {
+	return !!element && element.$$typeof === REACT_ELEMENT_TYPE;
+}
+
+/**
+ * Wrap `cloneElement` to abort if the passed element is not a valid element and apply
+ * all vnode normalizations.
+ * @param {import('./internal').VNode} element The vnode to clone
+ * @param {object} props Props to add when cloning
+ * @param {Array<import('./internal').ComponentChildren>} rest Optional component children
+ */
+function cloneElement(element) {
+	if (!isValidElement(element)) return element;
+	return preactCloneElement.apply(null, arguments);
+}
+
+/**
+ * Remove a component tree from the DOM, including state and event handlers.
+ * @param {import('./internal').PreactElement} container
+ * @returns {boolean}
+ */
+function unmountComponentAtNode(container) {
+	if (container._children) {
+		preactRender(null, container);
+		return true;
+	}
+	return false;
+}
+
+/**
+ * Get the matching DOM node for a component
+ * @param {import('./internal').Component} component
+ * @returns {import('./internal').PreactElement | null}
+ */
+function findDOMNode(component) {
+	return (
+		(component &&
+			(component.base || (component.nodeType === 1 && component))) ||
+		null
+	);
+}
+
+/**
+ * Deprecated way to control batched rendering inside the reconciler, but we
+ * already schedule in batches inside our rendering code
+ * @template Arg
+ * @param {(arg: Arg) => void} callback function that triggers the updated
+ * @param {Arg} [arg] Optional argument that can be passed to the callback
+ */
+// eslint-disable-next-line camelcase
+const unstable_batchedUpdates = (callback, arg) => callback(arg);
+
+/**
+ * In React, `flushSync` flushes the entire tree and forces a rerender. It's
+ * implmented here as a no-op.
+ * @template Arg
+ * @template Result
+ * @param {(arg: Arg) => Result} callback function that runs before the flush
+ * @param {Arg} [arg] Optional argument that can be passed to the callback
+ * @returns
+ */
+const flushSync = (callback, arg) => callback(arg);
+
+/**
+ * Strict Mode is not implemented in Preact, so we provide a stand-in for it
+ * that just renders its children without imposing any restrictions.
+ */
+const StrictMode = Fragment;
+
+export function startTransition(cb) {
+	cb();
+}
+
+export function useDeferredValue(val) {
+	return val;
+}
+
+export function useTransition() {
+	return [false, startTransition];
+}
+
+// TODO: in theory this should be done after a VNode is diffed as we want to insert
+// styles/... before it attaches
+export const useInsertionEffect = useLayoutEffect;
+
+/**
+ * This is taken from https://github.com/facebook/react/blob/main/packages/use-sync-external-store/src/useSyncExternalStoreShimClient.js#L84
+ * on a high level this cuts out the warnings, ... and attempts a smaller implementation
+ */
+export function useSyncExternalStore(subscribe, getSnapshot) {
+	const value = getSnapshot();
+
+	const [{ _instance }, forceUpdate] = useState({
+		_instance: { _value: value, _getSnapshot: getSnapshot }
+	});
+
+	useLayoutEffect(() => {
+		_instance._value = value;
+		_instance._getSnapshot = getSnapshot;
+
+		if (!is(_instance._value, getSnapshot())) {
+			forceUpdate({ _instance });
+		}
+	}, [subscribe, value, getSnapshot]);
+
+	useEffect(() => {
+		if (!is(_instance._value, _instance._getSnapshot())) {
+			forceUpdate({ _instance });
+		}
+
+		return subscribe(() => {
+			if (!is(_instance._value, _instance._getSnapshot())) {
+				forceUpdate({ _instance });
+			}
+		});
+	}, [subscribe]);
+
+	return value;
+}
+
+export * from 'preact/hooks';
+export {
+	version,
+	Children,
+	render,
+	hydrate,
+	unmountComponentAtNode,
+	createPortal,
+	createElement,
+	createContext,
+	createFactory,
+	cloneElement,
+	createRef,
+	Fragment,
+	isValidElement,
+	findDOMNode,
+	Component,
+	PureComponent,
+	memo,
+	forwardRef,
+	flushSync,
+	// eslint-disable-next-line camelcase
+	unstable_batchedUpdates,
+	StrictMode,
+	Suspense,
+	SuspenseList,
+	lazy,
+	__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED
+};
+
+// React copies the named exports to the default one.
+export default {
+	useState,
+	useId,
+	useReducer,
+	useEffect,
+	useLayoutEffect,
+	useInsertionEffect,
+	useTransition,
+	useDeferredValue,
+	useSyncExternalStore,
+	startTransition,
+	useRef,
+	useImperativeHandle,
+	useMemo,
+	useCallback,
+	useContext,
+	useDebugValue,
+	version,
+	Children,
+	render,
+	hydrate,
+	unmountComponentAtNode,
+	createPortal,
+	createElement,
+	createContext,
+	createFactory,
+	cloneElement,
+	createRef,
+	Fragment,
+	isValidElement,
+	findDOMNode,
+	Component,
+	PureComponent,
+	memo,
+	forwardRef,
+	flushSync,
+	unstable_batchedUpdates,
+	StrictMode,
+	Suspense,
+	SuspenseList,
+	lazy,
+	__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED
+};