[BUGFIX] Correct evaluation of custom properties

public/assets/scripts/choices.js

@@ -399,7 +399,7 @@ function () {
           selected: !!option.selected,
           disabled: option.disabled || option.parentNode.disabled,
           placeholder: option.value === '' || option.hasAttribute('placeholder'),
-          customProperties: option.dataset['custom-properties']
+          customProperties: _this._parseCustomProperties(option.dataset['customProperties'])
         });
       });
     }
@@ -2503,6 +2503,18 @@ function () {
     return null;
   };
 
+  Choices.prototype._parseCustomProperties = function (customProperties) {
+    if (typeof customProperties !== 'undefined') {
+      try {
+        return JSON.parse(customProperties);
+      } catch (e) {
+        return customProperties;
+      }
+    }
+
+    return {};
+  };
+
   return Choices;
 }();
 

public/types/src/scripts/choices.d.ts

@@ -213,6 +213,7 @@ declare class Choices implements Choices {
     _setChoiceOrItem(item: any): void;
     _findAndSelectChoiceByValue(value: string): void;
     _generatePlaceholderValue(): string | null;
+    _parseCustomProperties(customProperties: any): any;
 }
 export default Choices;
 //# sourceMappingURL=choices.d.ts.map

src/scripts/choices.ts

@@ -290,7 +290,7 @@ class Choices implements Choices {
           disabled: option.disabled || option.parentNode.disabled,
           placeholder:
             option.value === '' || option.hasAttribute('placeholder'),
-          customProperties: option.dataset['custom-properties'],
+          customProperties: this._parseCustomProperties(option.dataset['customProperties']),
         });
       });
     }
@@ -2428,6 +2428,17 @@ class Choices implements Choices {
 
     return null;
   }
+
+  _parseCustomProperties(customProperties): any {
+    if(typeof customProperties !== 'undefined') {
+      try {
+          return JSON.parse(customProperties)
+      } catch(e) {
+          return customProperties
+      }
+    }
+    return {}
+  }
 }
 
 export default Choices;