JSDoc type added in `src/common/util.js` (#6788)
* JSDoc type added in `src/common/util.js`
* skip can return false
* Add TBD for false - 1 not allowed
* Define typedef SkipOptions
* Use method generic for node param
* Define node param for setLocStart and setLocEnd
* Copy idx param to local variable
* Add @returns false
* Update Utility functions docs
* hasNewline param index: allow only number
* Add condition
* Add function keyword to docs
* Add prettier-ignore
* Improve condition
* Remove TBD comment
* Use single quotes
* Add type to oldIndex
* Use singleline JSDocs
