Polyfill safari 14 (huggingface#149)

* add core-js and necessary polyfills

* set TS target to ES2015

* set ES2018 as default since it's prob enough

* remove --host added by mistake

* replace usage of array.prototype.at by more compatible alternative

* remove core-js and replaceAll polyfill

* fix wrong usage of crypto global

src/lib/components/chat/ChatMessages.svelte

@@ -22,7 +22,7 @@
 	}
 
 	// If last message is from user, scroll to bottom
-	$: if (messages.at(-1)?.from === "user") {
+	$: if (messages[messages.length - 1]?.from === "user") {
 		scrollToBottom();
 	}
 </script>

src/routes/conversation/[id]/+page.svelte

@@ -80,7 +80,8 @@
 
 			// final message
 			if (data.generated_text) {
-				const lastMessage = messages.at(-1);
+				const lastMessage = messages[messages.length - 1];
+
 				if (lastMessage) {
 					lastMessage.content = data.generated_text;
 					messages = [...messages];
@@ -89,7 +90,7 @@
 			}
 
 			if (!data.token.special) {
-				const lastMessage = messages.at(-1);
+				const lastMessage = messages[messages.length - 1];
 
 				if (lastMessage?.from !== "assistant") {
 					// First token has a space at the beginning, trim it
@@ -112,7 +113,7 @@
 		});
 	}
 
-	async function writeMessage(message: string, messageId = crypto.randomUUID()) {
+	async function writeMessage(message: string, messageId = randomUUID()) {
 		if (!message.trim()) return;
 
 		try {

tsconfig.json

@@ -8,7 +8,8 @@
 		"resolveJsonModule": true,
 		"skipLibCheck": true,
 		"sourceMap": true,
-		"strict": true
+		"strict": true,
+		"target": "ES2018"
 	}
 	// Path aliases are handled by https://kit.svelte.dev/docs/configuration#alias
 	//