2 files changed, 23 insertions, 3 deletions

diff --git a/viewer/.eslintrc.js b/viewer/.eslintrc.js
index be91544..76f59fd 100644
--- a/viewer/.eslintrc.js
+++ b/viewer/.eslintrc.js
@@ -1,14 +1,34 @@
 module.exports = {
   root: true,
+
   env: {
     node: true,
   },
-  extends: ["plugin:vue/essential", "@vue/typescript"],
+
+  'extends': [
+    'plugin:vue/essential',
+    '@vue/typescript'
+  ],
+
   rules: {
     "no-console": process.env.NODE_ENV === "production" ? "error" : "off",
     "no-debugger": process.env.NODE_ENV === "production" ? "error" : "off",
+    'vue/attribute-hyphenation': 'warn',
+    'vue/html-closing-bracket-spacing': 'warn',
+    'vue/html-end-tags': 'error',
+    'vue/html-quotes': 'warn',
+    'vue/html-self-closing': 'warn',
+    'vue/no-multi-spaces': 'warn',
+    'vue/no-spaces-around-equal-signs-in-attribute': 'warn',
+    'vue/no-template-shadow': 'error',
+    'vue/v-bind-style': 'warn',
+    'vue/v-on-style': 'warn',
+    'vue/attributes-order': 'warn',
+    'vue/this-in-template': 'warn'
   },
+
   parserOptions: {
-    parser: "@typescript-eslint/parser",
+    parser: '@typescript-eslint/parser',
   },
+
 };
diff --git a/viewer/src/views/Gallery.vue b/viewer/src/views/Gallery.vue
index 3625838..55b93db 100644
--- a/viewer/src/views/Gallery.vue
+++ b/viewer/src/views/Gallery.vue
@@ -44,7 +44,7 @@ export default class Root extends Vue {
     return null;
   }
 
-  private checkType(type: string) {
+  private checkType(type: string): boolean {
     return (this.currentItem && this.currentItem.properties.type === type) || false;
   }
 }