More big updates (just incase hdd dies or something)

client/src/util/data.ts

@@ -0,0 +1,32 @@
+import {
+	ChartDocument,
+	Game,
+	IDStrings,
+	integer,
+	SessionScoreInfo,
+	SongDocument,
+} from "tachi-common";
+
+export function GetPBs(scoreInfo: SessionScoreInfo[]) {
+	return scoreInfo.map(e => e.isNewScore === true || e.lampDelta > 0 || e.scoreDelta > 0);
+}
+
+export function CreateSongMap<G extends Game = Game>(songs: SongDocument<G>[]) {
+	const songMap = new Map<integer, SongDocument<G>>();
+
+	for (const song of songs) {
+		songMap.set(song.id, song);
+	}
+
+	return songMap;
+}
+
+export function CreateChartMap<I extends IDStrings = IDStrings>(charts: ChartDocument<I>[]) {
+	const chartMap = new Map<string, ChartDocument<I>>();
+
+	for (const chart of charts) {
+		chartMap.set(chart.chartID, chart);
+	}
+
+	return chartMap;
+}