From f539dbe6f64b64d7ba84aead7679cbee6a34bb5e Mon Sep 17 00:00:00 2001
From: Sam El-Husseini <16690124+samelhusseini@users.noreply.github.com>
Date: Thu, 15 Aug 2019 17:13:06 -0700
Subject: [PATCH] Add aria invalid for when a text input field is invalid
 (#2839)

---
 core/field_textinput.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/core/field_textinput.js b/core/field_textinput.js
index af4f2d98e..92dcc31a0 100644
--- a/core/field_textinput.js
+++ b/core/field_textinput.js
@@ -31,6 +31,7 @@ goog.require('Blockly.Events.BlockChange');
 goog.require('Blockly.Field');
 goog.require('Blockly.Msg');
 goog.require('Blockly.utils');
+goog.require('Blockly.utils.aria');
 goog.require('Blockly.utils.Coordinate');
 goog.require('Blockly.utils.dom');
 goog.require('Blockly.utils.Size');
@@ -179,8 +180,10 @@ Blockly.FieldTextInput.prototype.render_ = function() {
     }
     if (!this.isTextValid_) {
       Blockly.utils.dom.addClass(this.htmlInput_, 'blocklyInvalidInput');
+      Blockly.utils.aria.setState(this.htmlInput_, 'invalid', true);
     } else {
       Blockly.utils.dom.removeClass(this.htmlInput_, 'blocklyInvalidInput');
+      Blockly.utils.aria.setState(this.htmlInput_, 'invalid', false);
     }
   }
 };