Node updated. Some todos.

Scripts/node_modules/ws/lib/validation.js

@@ -2,6 +2,8 @@
 
 const { isUtf8 } = require('buffer');
 
+const { hasBlob } = require('./constants');
+
 //
 // Allowed token characters:
 //
@@ -107,7 +109,27 @@ function _isValidUTF8(buf) {
   return true;
 }
 
+/**
+ * Determines whether a value is a `Blob`.
+ *
+ * @param {*} value The value to be tested
+ * @return {Boolean} `true` if `value` is a `Blob`, else `false`
+ * @private
+ */
+function isBlob(value) {
+  return (
+    hasBlob &&
+    typeof value === 'object' &&
+    typeof value.arrayBuffer === 'function' &&
+    typeof value.type === 'string' &&
+    typeof value.stream === 'function' &&
+    (value[Symbol.toStringTag] === 'Blob' ||
+      value[Symbol.toStringTag] === 'File')
+  );
+}
+
 module.exports = {
+  isBlob,
   isValidStatusCode,
   isValidUTF8: _isValidUTF8,
   tokenChars