Implement authentication composable with signin, signup, and session management; add route middleware for auth checks

app/composables/useAuth.ts

@@ -0,0 +1,56 @@
+import axios, { AxiosError } from "axios"
+
+export const useAuth = () => {
+	const refreshToken = useCookie<string | null>("refreshToken", {
+		sameSite: "lax",
+	})
+
+	const sessionToken = useCookie<string | null>("sessionToken", {
+		sameSite: "lax",
+	})
+
+	const signin = async (
+		email: string,
+		password: string,
+		remember: boolean = false
+	) => {
+		console.log(email)
+
+		try {
+			const res = await cfetch(
+				"/auth/signin",
+				{
+					method: "POST",
+					data: {
+						email,
+						password,
+					},
+				},
+				false
+			)
+
+			refreshToken.value = res.data.refreshToken
+		} catch (e) {
+			if (axios.isAxiosError(e) && e.response?.data?.message) {
+				throw new Error(e.response.data.message)
+			}
+
+			throw new Error("Failed to sign in")
+		}
+	}
+
+	const signup = async (name: string, email: string, password: string) => {}
+
+	const signout = () => {}
+
+	const refreshSessionToken = async () => {}
+
+	return {
+		refreshToken,
+		sessionToken,
+		signin,
+		signup,
+		signout,
+		refreshSessionToken,
+	}
+}