https://github.com/WWBN/AVideo/issues/8137

node_modules/mux.js/lib/utils/string.js

@@ -0,0 +1,20 @@
+/**
+ * Returns the first string in the data array ending with a null char '\0'
+ * @param {UInt8} data 
+ * @returns the string with the null char
+ */
+var uint8ToCString = function(data) {
+  var index = 0;
+  var curChar = String.fromCharCode(data[index]);
+  var retString = '';
+  while (curChar !== '\0') {
+    retString += curChar;
+    index++;
+    curChar = String.fromCharCode(data[index]);
+  }
+  // Add nullChar
+  retString += curChar;
+  return retString;
+};
+
+module.exports =  { uint8ToCString };

node_modules/mux.js/lib/utils/typed-array.js

@@ -0,0 +1,19 @@
+// IE11 doesn't support indexOf for TypedArrays.
+// Once IE11 support is dropped, this function should be removed.
+var typedArrayIndexOf = (typedArray, element, fromIndex) => {
+  if (!typedArray) {
+    return -1;
+  }
+
+  var currentIndex = fromIndex;
+
+  for (; currentIndex < typedArray.length; currentIndex++) {
+    if (typedArray[currentIndex] === element) {
+      return currentIndex;
+    }
+  }
+
+  return -1;
+};
+
+module.exports = { typedArrayIndexOf };