iframe 경고와 페이지네이션 강조 수정

tests/markdown-iframe-embed.test.js

@@ -0,0 +1,17 @@
+import assert from 'node:assert/strict'
+import test from 'node:test'
+import { parseIframeEmbedMarkup } from '../lib/markdown-iframe-embed.js'
+
+test('iframe allowfullscreen은 allow fullscreen 권한으로 정규화한다', () => {
+  const parsed = parseIframeEmbedMarkup('<iframe src="https://example.com/embed" allowfullscreen></iframe>')
+
+  assert.equal(parsed.src, 'https://example.com/embed')
+  assert.match(parsed.allow, /\bfullscreen\b/)
+  assert.equal(Object.hasOwn(parsed, 'allowFullscreen'), false)
+})
+
+test('iframe allow 속성은 안전한 문자만 보존한다', () => {
+  const parsed = parseIframeEmbedMarkup('<iframe src="https://example.com/embed" allow="fullscreen; autoplay; bad()"></iframe>')
+
+  assert.equal(parsed.allow, 'fullscreen; autoplay; bad')
+})