Add the globalThis Object as a known JavaScript global variable

See https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/globalThis

Author: kzar

init.el

@@ -217,6 +217,7 @@
 (add-hook 'js2-mode-hook (lambda () (electric-indent-local-mode -1)))
 (setq-default js2-basic-offset 2)
 (setq js-indent-level 2)
+(add-to-list 'js2-global-externs "globalThis")
 
 ;; Typescript
 ; We're using typescript-mode for syntax highlighting,