From df15584af4d3bf545a100a1f9720c0f65da834de Mon Sep 17 00:00:00 2001
From: Dobromir Hristov <dobromir92@gmail.com>
Date: Wed, 25 Jul 2018 23:57:47 +0300
Subject: [PATCH] fix: return null if not dirty on isValid computed property

---
 .travis.yaml                        | 9 +++++++++
 src/single-error-extractor-mixin.js | 2 +-
 2 files changed, 10 insertions(+), 1 deletion(-)
 create mode 100644 .travis.yaml

diff --git a/.travis.yaml b/.travis.yaml
new file mode 100644
index 0000000..a419044
--- /dev/null
+++ b/.travis.yaml
@@ -0,0 +1,9 @@
+language: node_js
+node_js:
+- '9'
+- '8'
+
+before_script:
+  - npm run list
+
+script: npm run test
diff --git a/src/single-error-extractor-mixin.js b/src/single-error-extractor-mixin.js
index 05807a5..6c69f39 100644
--- a/src/single-error-extractor-mixin.js
+++ b/src/single-error-extractor-mixin.js
@@ -51,7 +51,7 @@ export default {
       return { input: () => this.preferredValidator.$touch() }
     },
     isValid () {
-      return this.preferredValidator.$dirty && !this.hasErrors
+      return this.preferredValidator.$dirty ? !this.hasErrors : null
     }
   }
 }