add mse

src/utils/index.js

@@ -9,3 +9,11 @@ export function errorHandle(condition, msg) {
 export function clamp(num, a, b) {
   return Math.max(Math.min(num, Math.max(a, b)), Math.min(a, b));
 }
+
+export function request(url) {
+  return fetch(url)
+    .then(response => response.arrayBuffer())
+    .catch(err => {
+      throw new ArtPlayerError(err.message);
+    });
+}