Add yet-another-react-lightbox package and update .gitignore to exclude node_modules

frontend/node_modules/preact/compat/src/portals.js

@@ -1,82 +0,0 @@
-import { createElement, render } from 'preact';
-
-/**
- * @param {import('../../src/index').RenderableProps<{ context: any }>} props
- */
-function ContextProvider(props) {
-	this.getChildContext = () => props.context;
-	return props.children;
-}
-
-/**
- * Portal component
- * @this {import('./internal').Component}
- * @param {object | null | undefined} props
- *
- * TODO: use createRoot() instead of fake root
- */
-function Portal(props) {
-	const _this = this;
-	let container = props._container;
-
-	_this.componentWillUnmount = function() {
-		render(null, _this._temp);
-		_this._temp = null;
-		_this._container = null;
-	};
-
-	// When we change container we should clear our old container and
-	// indicate a new mount.
-	if (_this._container && _this._container !== container) {
-		_this.componentWillUnmount();
-	}
-
-	// When props.vnode is undefined/false/null we are dealing with some kind of
-	// conditional vnode. This should not trigger a render.
-	if (props._vnode) {
-		if (!_this._temp) {
-			_this._container = container;
-
-			// Create a fake DOM parent node that manages a subset of `container`'s children:
-			_this._temp = {
-				nodeType: 1,
-				parentNode: container,
-				childNodes: [],
-				appendChild(child) {
-					this.childNodes.push(child);
-					_this._container.appendChild(child);
-				},
-				insertBefore(child, before) {
-					this.childNodes.push(child);
-					_this._container.appendChild(child);
-				},
-				removeChild(child) {
-					this.childNodes.splice(this.childNodes.indexOf(child) >>> 1, 1);
-					_this._container.removeChild(child);
-				}
-			};
-		}
-
-		// Render our wrapping element into temp.
-		render(
-			createElement(ContextProvider, { context: _this.context }, props._vnode),
-			_this._temp
-		);
-	}
-	// When we come from a conditional render, on a mounted
-	// portal we should clear the DOM.
-	else if (_this._temp) {
-		_this.componentWillUnmount();
-	}
-}
-
-/**
- * Create a `Portal` to continue rendering the vnode tree at a different DOM node
- * @param {import('./internal').VNode} vnode The vnode to render
- * @param {import('./internal').PreactElement} container The DOM node to continue rendering in to.
- */
-export function createPortal(vnode, container) {
-	const el = createElement(Portal, { _vnode: vnode, _container: container });
-	el.containerInfo = container;
-	return el;
-}