chore: remove exist util function as it is not used

Author: jedrzejchalubek

src/utils/dom.js

@@ -21,20 +21,6 @@ export function siblings (node) {
   return []
 }
 
-/**
- * Checks if passed node exist and is a valid element.
- *
- * @param  {Element} node
- * @return {Boolean}
- */
-export function exist (node) {
-  if (node && node instanceof window.HTMLElement) {
-    return true
-  }
-
-  return false
-}
-
 /**
  * Coerces a NodeList to an Array.
  *

tests/unit/dom.test.js

@@ -11,11 +11,6 @@ describe('Function', () => {
     `
   })
 
-  test('`exist` should check if passed HTMLElement is present', () => {
-    expect(exist(document.querySelector('.parent'))).toBe(true)
-    expect(exist(document.querySelector('.missing'))).toBe(false)
-  })
-
   test('`siblings` should return siblings of the passed HTMLElements', () => {
     let children = document.querySelectorAll('.child')