[FIX] no-unknown-property: allow onLoad on object element

Author: OleksiiKachan

CHANGELOG.md

@@ -5,6 +5,9 @@ This change log adheres to standards from [Keep a CHANGELOG](https://keepachange
 
 ## Unreleased
 
+### Fixed
+* [`no-unknown-property`]: allow `onLoad` on `<object>` ([#3391][] @OleksiiKachan)
+
 ## [7.31.7] - 2022.09.05
 
 ### Fixed

lib/rules/no-unknown-property.js

@@ -73,7 +73,7 @@ const ATTRIBUTE_TAGS_MAP = {
  onEncrypted: ['audio', 'video'],
  onEnded: ['audio', 'video'],
  onError: ['audio', 'video', 'img', 'link', 'source', 'script', 'picture', 'iframe'],
- onLoad: ['script', 'img', 'link', 'picture', 'iframe'],
+ onLoad: ['script', 'img', 'link', 'picture', 'iframe', 'object'],
  onLoadedData: ['audio', 'video'],
  onLoadedMetadata: ['audio', 'video'],
  onLoadStart: ['audio', 'video'],

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

@@ -66,6 +66,8 @@ ruleTester.run('no-unknown-property', rule, {
  { code: '<source onError={foo} />' },
  { code: '<link onLoad={bar} onError={foo} />' },
  { code: '<link rel="preload" as="image" href="someHref" imageSrcSet="someImageSrcSet" imageSizes="someImageSizes" />' },
+ { code: '<link onLoad={bar} onError={foo} />' },
+ { code: '<object onLoad={bar} />' },
  { code: '<div allowFullScreen webkitAllowFullScreen mozAllowFullScreen />' },
  { code: '<table border="1" />' },
  {
@@ -435,7 +437,7 @@ ruleTester.run('no-unknown-property', rule, {
  data: {
  name: 'onLoad',
  tagName: 'div',
- allowedTags: 'script, img, link, picture, iframe',
+ allowedTags: 'script, img, link, picture, iframe, object',
  },
  },
  ],