分离flv文件夹

packages/artplayer-plugin-flv/src/flv/utils.js

@@ -0,0 +1,15 @@
+export class FlvError extends Error {
+    constructor(message, context) {
+        super(message);
+        if (typeof Error.captureStackTrace === 'function') {
+            Error.captureStackTrace(this, context || this.constructor);
+        }
+        this.name = 'FlvError';
+    }
+}
+
+export function errorHandle(condition, msg) {
+    if (!condition) {
+        throw new FlvError(msg);
+    }
+}