feat(Pub): add presence (PreMiD#8305)

websites/P/Pub/metadata.json

@@ -0,0 +1,31 @@
+{
+	"$schema": "https://schemas.premid.app/metadata/1.10",
+	"author": {
+		"id": "193714715631812608",
+		"name": "theusaf"
+	},
+	"service": "Pub",
+	"altnames": [
+		"pub.dev"
+	],
+	"description": {
+		"en": "Pub is the package manager for the Dart programming language, containing reusable libraries & packages for Flutter and general Dart programs."
+	},
+	"url": "pub.dev",
+	"matches": [
+		"*://pub.dev/*"
+	],
+	"version": "1.0.0",
+	"logo": "https://i.imgur.com/kHfoH5H.png",
+	"thumbnail": "https://i.imgur.com/NQxiXEK.png",
+	"color": "#29B6F6",
+	"category": "other",
+	"tags": [
+		"development",
+		"coding",
+		"dart",
+		"flutter",
+		"package",
+		"repository"
+	]
+}

websites/P/Pub/presence.ts

@@ -0,0 +1,57 @@
+const presence = new Presence({
+		clientId: "1233135474395189399",
+	}),
+	browsingTimestamp = Math.floor(Date.now() / 1000);
+
+const enum Assets {
+	Logo = "https://i.imgur.com/kHfoH5H.png",
+}
+
+presence.on("UpdateData", async () => {
+	const presenceData: PresenceData = {
+			largeImageKey: Assets.Logo,
+			startTimestamp: browsingTimestamp,
+		},
+		{ pathname, href, search } = document.location,
+		searchParams = new URLSearchParams(search),
+		pathList = pathname.split("/").filter(Boolean);
+
+	switch (pathList[0] ?? "/") {
+		case "/": {
+			presenceData.details = "Browsing the home page";
+			break;
+		}
+		case "help": {
+			presenceData.details = "Browsing help";
+			if (pathList[1]) presenceData.state = document.querySelector("h1");
+			break;
+		}
+		case "packages": {
+			if (pathList[1]) {
+				presenceData.details = "Viewing a package";
+				presenceData.state = pathList[1];
+				presenceData.buttons = [{ label: "View Package", url: href }];
+			} else if (searchParams.has("q")) {
+				presenceData.details = "Searching for packages";
+				presenceData.state = searchParams.get("q");
+			} else {
+				presenceData.details = "Browsing packages";
+				presenceData.state = `${
+					document.querySelector<HTMLSpanElement>(".count").textContent
+				} packages`;
+			}
+			break;
+		}
+		case "policy": {
+			presenceData.details = "Reading the policy";
+			break;
+		}
+		case "security": {
+			presenceData.details = "Reading the security policy";
+			break;
+		}
+	}
+
+	if (presenceData.details) presence.setActivity(presenceData);
+	else presence.clearActivity();
+});