remove util for retrieving the last element of array

Author: Thomasan1999

lib/rules/prefer-use-template-ref.js

@@ -75,15 +75,14 @@ function addUseTemplateRefImport(context, fixer) {
   )
 
   if (vueDestructuredImport) {
-    const importSpecifierLast = utils.getLastArrayElement(
-      vueDestructuredImport.specifiers
-    )
+    const importSpecifiers = vueDestructuredImport.specifiers
+    const lastImportSpecifier = importSpecifiers[importSpecifiers.length - 1]
 
     // @ts-ignore
-    return fixer.insertTextAfter(importSpecifierLast, `,useTemplateRef`)
+    return fixer.insertTextAfter(lastImportSpecifier, `,useTemplateRef`)
   }
 
-  const lastImport = utils.getLastArrayElement(imports)
+  const lastImport = imports[imports.length - 1]
 
   const importStatement = "import {useTemplateRef} from 'vue';"
 

lib/utils/index.js

@@ -2208,16 +2208,6 @@ module.exports = {
       (token, i) =>
         token.type === tokensR[i].type && token.value === tokensR[i].value
     )
-  },
-
-  /**
-   * TODO: replace usages with 'array.at(-1)' once the minimum supported Node.js version is at least 16.6.0
-   * @template T
-   * @param array {T[]}
-   * @returns {T | undefined}
-   * */
-  getLastArrayElement(array) {
-    return array[array.length - 1]
   }
 }