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packages/core/ui/SanitizedHTML.tsx

@@ -40,6 +40,7 @@ const htmlTags = [
 ]
 
 let added = false
+
 // adapted from is-html
 // https://github.com/sindresorhus/is-html/blob/master/index.js
 const full = new RegExp(htmlTags.map(tag => `<${tag}\\b[^>]*>`).join('|'), 'i')
@@ -49,20 +50,18 @@ export function isHTML(str: string) {
 
 export default function SanitizedHTML({ html }: { html: string }) {
   const value = isHTML(html) ? html : escapeHTML(html)
-  useEffect(() => {
-    if (!added) {
-      added = true
-      // see https://github.com/cure53/DOMPurify/issues/317
-      // only have to add this once, and can't do it globally because dompurify
-      // not yet initialized at global scope
-      dompurify.addHook('afterSanitizeAttributes', node => {
-        if (node.tagName === 'A') {
-          node.setAttribute('rel', 'noopener noreferrer')
-          node.setAttribute('target', '_blank')
-        }
-      })
-    }
-  }, [])
+  if (!added) {
+    added = true
+    // see https://github.com/cure53/DOMPurify/issues/317
+    // only have to add this once, and can't do it globally because dompurify
+    // not yet initialized at global scope
+    dompurify.addHook('afterSanitizeAttributes', node => {
+      if (node.tagName === 'A') {
+        node.setAttribute('rel', 'noopener noreferrer')
+        node.setAttribute('target', '_blank')
+      }
+    })
+  }
 
   return (
     <div