fix: proper assign of html custom icon node

src/index.ts

@@ -276,8 +276,9 @@ function createAlertComponent(
     .filter(Boolean)
     .join(' ')
 
+  // For component mode, we need to include raw HTML as an html node type
   const iconChildren = config.iconElementHtml
-    ? [{ type: 'text', value: config.iconElementHtml }]
+    ? [{ type: 'html', value: config.iconElementHtml }]
     : []
 
   return {

test/index.test.ts

@@ -556,13 +556,89 @@ describe('remarkGitHubAlerts', () => {
         mode: 'component',
         alerts: {
           tip: {
-            iconElementHtml: '<svg>tip-icon</svg>',
+            iconElementHtml:
+              '<svg class="w-4 h-4" fill="currentColor" viewBox="0 0 16 16"><path d="M8 16A8 8 0 1 0 8 0a8 8 0 0 0 0 16zm.5-10a.5.5 0 0 0-1 0v4a.5.5 0 0 0 1 0V6zm0 6a.5.5 0 0 0-1 0v1a.5.5 0 0 0 1 0v-1z"/></svg>',
           },
         },
       }
       const result = await processMarkdown(markdown, options)
 
-      expect(result).toContain('tip-icon')
+      expect(result).toContain('<svg class="w-4 h-4"')
+      expect(result).toContain('fill="currentColor"')
+      expect(result).toContain('viewBox="0 0 16 16"')
+      expect(result).toContain(
+        '<path d="M8 16A8 8 0 1 0 8 0a8 8 0 0 0 0 16zm.5-10a.5.5 0 0 0-1 0v4a.5.5 0 0 0 1 0V6zm0 6a.5.5 0 0 0-1 0v1a.5.5 0 0 0 1 0v-1z"/>'
+      )
+      expect(result).toContain('</svg>')
+    })
+
+    it('should handle complex SVG icons in both modes', async () => {
+      const complexSvg =
+        '<svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"></path></svg>'
+      const markdown = `> [!WARNING]
+> Complex SVG test.`
+
+      // Test HTML mode
+      const htmlResult = await processMarkdown(markdown, {
+        mode: 'html',
+        alerts: {
+          warning: {
+            iconElementHtml: complexSvg,
+          },
+        },
+      })
+
+      expect(htmlResult).toContain(complexSvg)
+      expect(htmlResult).not.toContain('&lt;svg')
+      expect(htmlResult).not.toContain('data-alert-type')
+
+      // Test component mode
+      const componentResult = await processMarkdown(markdown, {
+        mode: 'component',
+        alerts: {
+          warning: {
+            iconElementHtml: complexSvg,
+          },
+        },
+      })
+
+      expect(componentResult).toContain('<svg class="w-4 h-4"')
+      expect(componentResult).toContain('stroke="currentColor"')
+      expect(componentResult).toContain('stroke-linecap="round"')
+      expect(componentResult).toContain('data-alert-type="warning"')
+      expect(componentResult).not.toContain('&lt;svg')
+    })
+
+    it('should handle emoji and text icons correctly in both modes', async () => {
+      const emojiIcon = '⚠️'
+      const markdown = `> [!CAUTION]
+> Emoji icon test.`
+
+      // Test HTML mode
+      const htmlResult = await processMarkdown(markdown, {
+        mode: 'html',
+        alerts: {
+          caution: {
+            iconElementHtml: emojiIcon,
+          },
+        },
+      })
+
+      expect(htmlResult).toContain(emojiIcon)
+      expect(htmlResult).not.toContain('data-alert-type')
+
+      // Test component mode
+      const componentResult = await processMarkdown(markdown, {
+        mode: 'component',
+        alerts: {
+          caution: {
+            iconElementHtml: emojiIcon,
+          },
+        },
+      })
+
+      expect(componentResult).toContain(emojiIcon)
+      expect(componentResult).toContain('data-alert-type="caution"')
     })
   })