feat: custom chatId route support

src/lib/utils/index.ts

@@ -0,0 +1,67 @@
+import { v4 as uuidv4 } from 'uuid';
+import sha256 from 'js-sha256';
+
+//////////////////////////
+// Helper functions
+//////////////////////////
+
+export const splitStream = (splitOn) => {
+	let buffer = '';
+	return new TransformStream({
+		transform(chunk, controller) {
+			buffer += chunk;
+			const parts = buffer.split(splitOn);
+			parts.slice(0, -1).forEach((part) => controller.enqueue(part));
+			buffer = parts[parts.length - 1];
+		},
+		flush(controller) {
+			if (buffer) controller.enqueue(buffer);
+		}
+	});
+};
+
+export const convertMessagesToHistory = (messages) => {
+	let history = {
+		messages: {},
+		currentId: null
+	};
+
+	let parentMessageId = null;
+	let messageId = null;
+
+	for (const message of messages) {
+		messageId = uuidv4();
+
+		if (parentMessageId !== null) {
+			history.messages[parentMessageId].childrenIds = [
+				...history.messages[parentMessageId].childrenIds,
+				messageId
+			];
+		}
+
+		history.messages[messageId] = {
+			...message,
+			id: messageId,
+			parentId: parentMessageId,
+			childrenIds: []
+		};
+
+		parentMessageId = messageId;
+	}
+
+	history.currentId = messageId;
+	return history;
+};
+
+export const getGravatarURL = (email) => {
+	// Trim leading and trailing whitespace from
+	// an email address and force all characters
+	// to lower case
+	const address = String(email).trim().toLowerCase();
+
+	// Create a SHA256 hash of the final string
+	const hash = sha256(address);
+
+	// Grab the actual image URL
+	return `https://www.gravatar.com/avatar/${hash}`;
+};