Add getErrorListFromContainer helper method

Author: tcannonfodder

src/error-containers.js

@@ -40,7 +40,16 @@ export function getErrorContainer(element) {
  * @returns {Element} The `ul` element inside the error container`
  */
 export function getErrorList(element) {
-  return getErrorContainer(element).querySelector(`:scope > ul`)
+  return getErrorListFromContainer(getErrorContainer(element))
+}
+
+/**
+ * Returns the `ul` inside of the error container (see {@link getErrorContainer })
+ * @param {Element} container the error list container
+ * @returns {Element} The `ul` element inside the error container`
+ */
+export function getErrorListFromContainer(container) {
+  return container.querySelector(`:scope > ul`)
 }
 
 /**

src/error-mapping.js

@@ -4,6 +4,7 @@ import {
 
 import {
   getErrorContainer,
+  getErrorListFromContainer,
   hasPreservedErrorForType,
   getPreservedErrorForType,
   markAsPreservedError,
@@ -66,7 +67,7 @@ export function applyErrorMappingToForm(form, errors) {
       setValidityStateAttributes(elementToInvalidate, false)
     }
 
-    let errorList = errorContainer.querySelector(`:scope > ul`)
+    let errorList = getErrorListFromContainer(errorContainer)
 
     const shouldBePreserved = hasPreservedErrorForType(errorList, error.type)