eslint workaround for improper bundle

Author: gordonwoodhull

tools/bundle-bug-finder/_prelude.js

@@ -14,11 +14,14 @@
 /* commonjs etc globals, guarded by `typeof`, eslint analysis fails here: */
 /*global define, module */
 
+/* bundler-generated variables from conditional blocks that eslint can't track */
+/*global b, w, v2 */
+
 /*eslint no-undef: "error"*/
 
 /* puppeteer globals 
     45454:11  error  Definition for rule '@typescript-eslint/ban-ts-comment' was not found  @typescript-eslint/ban-ts-comment*/
-    
+
 /*global NodeFilter, ShadowRoot, Node, IntersectionObserver, Event, DataTransfer, XPathResult, base64Decode */
 /*global XMLSerializer, predicateQueryHandler, checkWaitForOptions, MutationObserver, requestAnimationFrame, FileReader */
-/*global name, createIterResult, navigator */
+/*global name, createIterResult, navigator */