initial commit

src/utils/pdfUtils.ts

@@ -0,0 +1,8 @@
+export const downloadPDF = (pdf: Blob) => {
+	const fileName = "game.pdf";
+	const fileURL = URL.createObjectURL(pdf);
+	const a = document.createElement("a");
+	a.href = fileURL;
+	a.download = fileName;
+	a.click();
+};

src/utils/pgnUtils.ts

@@ -0,0 +1,61 @@
+import type { IGameState } from "#/reducers/gameReducer.ts";
+
+export const getHeaders = (pgn: string) => {
+	const pgnHeader = pgn.split(/\n\n/g)[0];
+
+	const getHeaderField = (field: string) => {
+		const regex = new RegExp(`(?<=${field}.").*(?=")`);
+		const match = pgnHeader.match(regex);
+		return match && match[0] !== "undefined" ? match[0] : "";
+	};
+
+	return {
+		event: getHeaderField("Event"),
+		site: getHeaderField("Site"),
+		date: getHeaderField("Date"),
+		round: getHeaderField("Round"),
+		white: getHeaderField("White"),
+		black: getHeaderField("Black"),
+		result: getHeaderField("Result"),
+		eco: getHeaderField("ECO"),
+		whiteElo: getHeaderField("WhiteElo"),
+		blackElo: getHeaderField("BlackElo"),
+		plyCount: getHeaderField("PlyCount"),
+		eventDate: getHeaderField("EventDate"),
+		source: getHeaderField("Source"),
+	};
+};
+
+// Create a string based on new header values
+export const buildPgnString = (game: IGameState) => {
+	const moves = game.pgn?.split(/\n\n/g)[1];
+
+	// if customer headers are present, use them
+	if (
+		game.headers.title?.length > 0 ||
+		game.headers.subtitle?.length > 0 ||
+		game.headers.author?.length > 0
+	) {
+		return `[Result "${game.headers.result}"]
+[Title "${game.headers.title}"]
+[Subtitle "${game.headers.subtitle}"]
+[Date "${game.headers.date}"]
+[Author "${game.headers.author}"]\n
+${moves}`;
+	}
+
+	return `[Event "${game.headers.event}"]
+[Site "${game.headers.site}"]
+[Date "${game.headers.date}"]
+[Round "${game.headers.round}"]
+[White "${game.headers.white}"]
+[Black "${game.headers.black}"]
+[Result "${game.headers.result}"]
+[ECO "${game.headers.eco}"]
+[WhiteElo "${game.headers.whiteElo}"]
+[BlackElo "${game.headers.blackElo}"]
+[PlyCount "${game.headers.plyCount}"]
+[EventDate "${game.headers.eventDate}"]
+[Source "${game.headers.source}"]\n
+${moves}`;
+};

src/utils/stringUtils.ts

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+export const downloadString = (string: string, filename: string) => {
+	try {
+		const element = document.createElement("a");
+		const file = new Blob([string], { type: "text/plain" });
+
+		element.href = URL.createObjectURL(file);
+		element.download = filename;
+		document.body.appendChild(element);
+		element.click();
+	} catch (error) {
+		throw new Error("Failed to download file");
+	}
+};