fix: allow imageSrcSet and imageSizes attributes on link element

Author: terrymun

lib/rules/no-unknown-property.js

@@ -57,6 +57,8 @@ const ATTRIBUTE_TAGS_MAP = {
     'animateTransform',
     'set',
   ],
+  imageSizes: ['link'],
+  imageSrcSet: ['link'],
   property: ['meta'],
   viewBox: ['svg'],
   as: ['link'],
@@ -228,7 +230,7 @@ const DOM_PROPERTY_NAMES_TWO_WORDS = [
   // To be considered if these should be added also to ATTRIBUTE_TAGS_MAP
   'acceptCharset', 'autoComplete', 'autoPlay', 'cellPadding', 'cellSpacing', 'classID', 'codeBase',
   'colSpan', 'contextMenu', 'dateTime', 'encType', 'formAction', 'formEncType', 'formMethod', 'formNoValidate', 'formTarget',
-  'frameBorder', 'hrefLang', 'httpEquiv', 'isMap', 'keyParams', 'keyType', 'marginHeight', 'marginWidth',
+  'frameBorder', 'hrefLang', 'httpEquiv', 'imageSizes', 'imageSrcSet', 'isMap', 'keyParams', 'keyType', 'marginHeight', 'marginWidth',
   'maxLength', 'mediaGroup', 'minLength', 'noValidate', 'onAnimationEnd', 'onAnimationIteration', 'onAnimationStart',
   'onBlur', 'onChange', 'onClick', 'onContextMenu', 'onCopy', 'onCompositionEnd', 'onCompositionStart',
   'onCompositionUpdate', 'onCut', 'onDoubleClick', 'onDrag', 'onDragEnd', 'onDragEnter', 'onDragExit', 'onDragLeave',

tests/lib/rules/no-unknown-property.js

@@ -63,6 +63,7 @@ ruleTester.run('no-unknown-property', rule, {
     { code: '<script onLoad={bar} onError={foo} />' },
     { code: '<source onError={foo} />' },
     { code: '<link onLoad={bar} onError={foo} />' },
+    { code: '<link rel="preload" as="image" href="someHref" imageSrcSet="someImageSrcSet" imageSizes="someImageSizes" />' },
     { code: '<div allowFullScreen webkitAllowFullScreen mozAllowFullScreen />' },
     {
       code: '<div allowTransparency="true" />',
@@ -481,5 +482,31 @@ ruleTester.run('no-unknown-property', rule, {
         },
       ],
     },
+    {
+      code: '<div imageSrcSet="someImageSrcSet" />',
+      errors: [
+        {
+          messageId: 'invalidPropOnTag',
+          data: {
+            name: 'imageSrcSet',
+            tagName: 'div',
+            allowedTags: 'link',
+          },
+        },
+      ],
+    },
+    {
+      code: '<div imageSizes="someImageSizes" />',
+      errors: [
+        {
+          messageId: 'invalidPropOnTag',
+          data: {
+            name: 'imageSizes',
+            tagName: 'div',
+            allowedTags: 'link',
+          },
+        },
+      ],
+    },
   ]),
 });