Move the API token getter to the globals mixin.

src/main.js

@@ -16,11 +16,17 @@ Vue.mixin({
 		api_url: `https://api.spotify.com/v1`,
 		auth_redirect: process.env.NODE_ENV === `production` ? `https://oliver.akins.me/top-lists` : `http://localhost:8080`,
 	}},
+	computed: {
+		api_token() {
+			let params = new URLSearchParams(window.location.hash.slice(1));
+			return params.get(`access_token`);
+		},
+	},
 	methods: {
 		css_var(var_name) {
 			return getComputedStyle(document.documentElement).getPropertyValue(var_name);
 		},
-	}
+	},
 });