♻️ Refactor StopsSearchMenu + load Map lazily + placeholder

frontend/src/stopsSearchMenu/stopPopup.tsx

@@ -0,0 +1,49 @@
+import { createResource, For, ParentComponent, useContext } from 'solid-js';
+
+import { Stop } from '../types';
+import { BusinessDataContext, BusinessDataStore } from "../businessData";
+import { renderLinePicto, ScrollingText } from '../utils';
+
+export const StopPopup: ParentComponent<{ stop: Stop, show: boolean }> = (props) => {
+	const businessDataStore: BusinessDataStore | undefined = useContext(BusinessDataContext);
+	if (businessDataStore === undefined)
+		return <div />;
+
+	const { getLine, getStopDestinations } = businessDataStore;
+
+	let popupDiv: HTMLDivElement | undefined = undefined;
+
+	const getDestinations = async (stop: Stop): Promise<{ lineId: string, destinations: string[] }[]> => {
+		let ret = [];
+
+		if (stop !== undefined) {
+			const result = await getStopDestinations(stop.id);
+			for (const [lineId, destinations] of Object.entries(result)) {
+				const line = await getLine(lineId);
+				const linePicto = renderLinePicto(line);
+				ret.push({ lineId: linePicto, destinations: destinations });
+			}
+		}
+
+		return ret;
+	}
+	const [destinations] = createResource(() => props.stop, getDestinations);
+
+	return (
+		<div ref={popupDiv} classList={{ "popup": true, "displayed": props.show }}>
+			<div class="header">{props.stop?.name}</div>
+			<div class="body">
+				<For each={destinations()}>
+					{(dst) => {
+						return <div class='line'>
+							{dst.lineId}
+							<div class="name">
+								<ScrollingText height={10} width={130} content={dst.destinations.join('/')} />
+							</div>
+						</div>;
+					}}
+				</For>
+			</div>
+		</div >
+	);
+}