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public/assets/sweetalert2/src/instanceMethods/validation-message.js

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+import privateProps from '../privateProps.js'
+import { swalClasses } from '../utils/classes.js'
+import * as dom from '../utils/dom/index.js'
+
+/**
+ * Show block with validation message
+ *
+ * @param {string} error
+ * @this {SweetAlert}
+ */
+export function showValidationMessage(error) {
+  const domCache = privateProps.domCache.get(this)
+  const params = privateProps.innerParams.get(this)
+  dom.setInnerHtml(domCache.validationMessage, error)
+  domCache.validationMessage.className = swalClasses['validation-message']
+  if (params.customClass && params.customClass.validationMessage) {
+    dom.addClass(domCache.validationMessage, params.customClass.validationMessage)
+  }
+  dom.show(domCache.validationMessage)
+
+  const input = this.getInput()
+  if (input) {
+    input.setAttribute('aria-invalid', 'true')
+    input.setAttribute('aria-describedby', swalClasses['validation-message'])
+    dom.focusInput(input)
+    dom.addClass(input, swalClasses.inputerror)
+  }
+}
+
+/**
+ * Hide block with validation message
+ *
+ * @this {SweetAlert}
+ */
+export function resetValidationMessage() {
+  const domCache = privateProps.domCache.get(this)
+  if (domCache.validationMessage) {
+    dom.hide(domCache.validationMessage)
+  }
+
+  const input = this.getInput()
+  if (input) {
+    input.removeAttribute('aria-invalid')
+    input.removeAttribute('aria-describedby')
+    dom.removeClass(input, swalClasses.inputerror)
+  }
+}