.j2 file in code_dir causing rendering error

[lotabout]

Check List

• [X] I have already read Docs page & Troubleshooting page.
• [X] I have already searched existing issues and they are not help to me.
• [X] I examined error or warning messages and it's difficult to solve.
• [X] I am using the latest version of Hexo. (run hexo version to check)
• [X] My Node.js is matched the required version.

Expected behavior

.j2 files in code_dir folder should not breaks hexo generate

Actual behavior

hexo generate will fail. (see the reproducing steps)

How to reproduce?

hexo init hexo-test
cd hexo-test

mkdir -p source/downloads/code
touch source/downloads/code/j2-test.j2

echo '{% include_code j2-test.j2 j2-test.j2 %}' >> source/_posts/hello-world.md

hexo clean && hexo generate --debug

Gives the following error:

06:30:54.928 FATAL Something's wrong. Maybe you can find the solution here: https://hexo.io/docs/troubleshooting.html
Template render error: (unknown path)
  TypeError: Cannot read properties of undefined (reading 'split')
    at Object._prettifyError (/Users/jinzhouz/tmp/hexo-test/node_modules/nunjucks/src/lib.js:32:11)
    at /Users/jinzhouz/tmp/hexo-test/node_modules/nunjucks/src/environment.js:464:19
    at eval (eval at _compile (/Users/jinzhouz/tmp/hexo-test/node_modules/nunjucks/src/environment.js:527:18), <anonymous>:11:11)
    at tryCatcher (/Users/jinzhouz/tmp/hexo-test/node_modules/bluebird/js/release/util.js:16:23)
    at Promise._settlePromiseFromHandler (/Users/jinzhouz/tmp/hexo-test/node_modules/bluebird/js/release/promise.js:547:31)
    at Promise._settlePromise (/Users/jinzhouz/tmp/hexo-test/node_modules/bluebird/js/release/promise.js:604:18)
    at Promise._settlePromiseCtx (/Users/jinzhouz/tmp/hexo-test/node_modules/bluebird/js/release/promise.js:641:10)
    at _drainQueueStep (/Users/jinzhouz/tmp/hexo-test/node_modules/bluebird/js/release/async.js:97:12)
    at _drainQueue (/Users/jinzhouz/tmp/hexo-test/node_modules/bluebird/js/release/async.js:86:9)
    at Async._drainQueues (/Users/jinzhouz/tmp/hexo-test/node_modules/bluebird/js/release/async.js:102:5)
    at Async.drainQueues (/Users/jinzhouz/tmp/hexo-test/node_modules/bluebird/js/release/async.js:15:14)
    at process.processImmediate (node:internal/timers:478:21)

Is the problem still there under Safe mode?

no

Your Node.js & npm version

v21.4.0
10.2.4

Your Hexo and Plugin version

[email protected] /Users/jinzhouz/tmp/hexo-test
├── [email protected]
├── [email protected]
├── [email protected]
├── [email protected]
├── [email protected]
├── [email protected]
├── [email protected]
├── [email protected]
├── [email protected]
└── [email protected]

Your package.json

{
  "name": "hexo-site",
  "version": "0.0.0",
  "private": true,
  "scripts": {
    "build": "hexo generate",
    "clean": "hexo clean",
    "deploy": "hexo deploy",
    "server": "hexo server"
  },
  "hexo": {
    "version": "7.2.0"
  },
  "dependencies": {
    "hexo": "^7.0.0",
    "hexo-generator-archive": "^2.0.0",
    "hexo-generator-category": "^2.0.0",
    "hexo-generator-index": "^3.0.0",
    "hexo-generator-tag": "^2.0.0",
    "hexo-renderer-ejs": "^2.0.0",
    "hexo-renderer-marked": "^6.0.0",
    "hexo-renderer-stylus": "^3.0.0",
    "hexo-server": "^3.0.0",
    "hexo-theme-landscape": "^1.0.0"
  }
}

Your site's _config.yml (Optional)

No response

Others

No response