yt-dlp support

node_modules/node-webpmux/io.js

@@ -0,0 +1,26 @@
+let fs = {};
+if (typeof window === 'undefined') {
+  const _fs = require('fs');
+  const { promisify } = require('util');
+  const { basename } = require('path');
+  fs = {
+    read: promisify(_fs.read),
+    write: promisify(_fs.write),
+    open: promisify(_fs.open),
+    close: promisify(_fs.close),
+    basename,
+    avail: true
+  };
+} else {
+  let f = async () => { throw new Error('Running inside a browser; filesystem support is not available'); };
+  fs = {
+    read: f,
+    write: f,
+    open: f,
+    close: f,
+    basename: f,
+    err: f,
+    avail: false
+  };
+}
+module.exports = fs;