snapshot of https://github.com/ueberdosis/tiptap.git (main, 2026-09-15; blobs > 131072B omitted)

packages/extension-mention/src/mention.test.ts

@@ -0,0 +1,48 @@
+import { Mention } from './mention.js'
+import { describe, expect, it } from 'vite-plus/test'
+
+describe('mention Markdown', () => {
+  it('parses mapped attributes', () => {
+    const tokenizer = Mention.config.markdownTokenizer
+    expect(tokenizer).toBeDefined()
+
+    const token = tokenizer?.tokenize('[@ id="feature" char="#"]', [], null as any)
+
+    expect(token).toMatchObject({
+      attributes: {
+        id: 'feature',
+        mentionSuggestionChar: '#',
+      },
+    })
+  })
+
+  it('parses malformed attributes in linear time', () => {
+    const tokenizer = Mention.config.markdownTokenizer
+    expect(tokenizer).toBeDefined()
+
+    const measure = (attributes: string) => {
+      const startedAt = performance.now()
+      tokenizer?.tokenize(`[@ ${attributes}]`, [], null as any)
+      return performance.now() - startedAt
+    }
+
+    measure('warmup="true"')
+    const sizes = [12_288, 24_576]
+    sizes.forEach(size => {
+      const attack = '0'.repeat(size)
+      const control = '-'.repeat(attack.length)
+      const controlDuration = measure(control)
+      const attackDuration = measure(attack)
+
+      expect(attackDuration).toBeLessThan(controlDuration * 20 + 100)
+    })
+  })
+
+  it('only parses attributes at attribute boundaries', () => {
+    const tokenizer = Mention.config.markdownTokenizer
+
+    const token = tokenizer?.tokenize('[@ id="feature" prefix:char="#"]', [], null as any)
+
+    expect(token).toMatchObject({ attributes: { id: 'feature' } })
+  })
+})