fix(one-var): Add one-var setting from @nkbt
fix(one-var): Add one-var setting from @nkbt
airbnb/javascript,appcom-interactive/javascript,codelegant/JavaScript,cloudability/javascript-style-guide,naustudio/javascript,getjll/JavaScript-Style-Guide,naustudio/javascript,codelegant/JavaScript,webcoding/javascript-style-guide,ljharb/javascript,whichdigital/javascript-coding-standards,practicefusion/javascript,pokelondon/javascript,addshoppers/javascript,allanfish/javascript,bl00mber/javascript,LodoSoftware/javascript-style-guide,LodoSoftware/javascript-style-guide,nulogy/javascript,xalexec/javascript