update

package.json

@@ -40,7 +40,6 @@
   "devDependencies": {
     "@antora/cli": "^3.1.10",
     "@antora/site-generator": "^3.1.10",
-    "@asciidoctor/core": "~2.2",
     "@jest/globals": "^29.7.0",
     "cross-env": "^7.0.3",
     "eslint": "~7.32",

tests/asciidoctor/extension.test.js

@@ -5,8 +5,16 @@ const { describe, it, expect } = require('@jest/globals')
 const matchers = require('jest-extended')
 expect.extend(matchers)
 
-const Asciidoctor = require('@asciidoctor/core')
-const asciidoctor = Asciidoctor()
+const asciidoctorModule = require('@asciidoctor/core')
+const asciidoctor = (() => {
+  try {
+    // Try Asciidoctor 3.0 initialization
+    return asciidoctorModule.default()
+  } catch (e) {
+    // Fallback to Asciidoctor 2.x initialization
+    return asciidoctorModule()
+  }
+})()
 const asciidoctorTreeView = require('../../lib/index.js')
 
 const example3Result = 'README.adoc'

tests/asciidoctor/full.test.js

@@ -3,8 +3,16 @@ const matchers = require('jest-extended')
 expect.extend(matchers)
 const path = require('path')
 
-const Asciidoctor = require('@asciidoctor/core')
-const asciidoctor = Asciidoctor()
+const asciidoctorModule = require('@asciidoctor/core')
+const asciidoctor = (() => {
+  try {
+    // Try Asciidoctor 3.0 initialization
+    return asciidoctorModule.default()
+  } catch (e) {
+    // Fallback to Asciidoctor 2.x initialization
+    return asciidoctorModule()
+  }
+})()
 const asciidoctorTreeView = require('../../lib/index.js')
 
 describe('Full Test', () => {