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Show-invisibles plugin throws TypeError exception with Dart and Lisp languages #3789

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dregad opened this issue Apr 15, 2024 · 0 comments
Open

Show-invisibles plugin throws TypeError exception with Dart and Lisp languages #3789

dregad opened this issue Apr 15, 2024 · 0 comments

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@dregad
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dregad commented Apr 15, 2024

Information:

  • Prism version: 1.29.0
  • Plugins: show-invisibles
  • Environment: Browser

Description

Exception in the browser's console when displaying a Dart and/or Lisp code block (mantisbt/mantisbt#1986)

[Error] TypeError: undefined is not an object (evaluating 'value.inside')
handleToken (prism-show-invisibles.js:45)
addInvisibles (prism-show-invisibles.js:74)
(anonymous function) (prism-show-invisibles.js:81)
run (prism.min.js:1:5529)
highlightElement (prism.min.js:1:3464)
highlightAllUnder (prism.min.js:1:2775)
highlightAll (prism.min.js:1:2370)
r (prism.min.js:1:6923)

Example

<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Prism plugin show-invisibles fails with some languages</title>
	<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/themes/prism.min.css" integrity="sha512-tN7Ec6zAFaVSG3TpNAKtk4DOHNpSwKHxxrsiw4GHKESGPs5njn/0sMCUMl2svV4wo4BK/rCP7juYz+zx+l6oeQ==" crossorigin="anonymous" referrerpolicy="no-referrer" />
	<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/plugins/show-invisibles/prism-show-invisibles.min.css" integrity="sha512-y56hHawsGNNkestAKyhMKxX25fF3QjUkrUESd4qYTPlKqz1s890GRkp95U7vj3tS1Qr/NCYE3bbYOq9MzAXI/A==" crossorigin="anonymous" referrerpolicy="no-referrer" />

	<script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/prism.min.js" integrity="sha512-7Z9J3l1+EYfeaPKcGXu3MS/7T+w19WtKQY/n+xzmw4hZhJ9tyYmcUS+4QqAlzhicE5LAfMQSF3iFTK9bQdTxXg==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/components/prism-lisp.min.js" integrity="sha512-W461RnQzrhSCQQMfEGFKOHbK2DuJTVxrXs2PzctPaxV3A+qPB/TcnMgucSsBNkyccNK8VoENBsAnbf/SuBE71g==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/components/prism-dart.min.js" integrity="sha512-r/W8eHXvGAyqo0Pa1hwUx9znj2RKBDKgTZ7iL5R4FIJpLpF1HPXKHiGorzKE5gwj906GlNqAskHKSNpyVziozw==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>

	<!-- activation breaks lisp and dart.
	<script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.29.0/plugins/show-invisibles/prism-show-invisibles.min.js" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
	-->
</head>
<body>

<h3>JavaScript</h3>

<pre class="language-javascript"><code>function test() {
	if (true !== false) {
		console.log('foo')
	}
}
</code></pre>

<h3>Dart</h3>

<p>Changing language-dart to language-markup works</p>

<pre><code class="language-dart">
void main() {
	for (int i = 0; i < 10; i++) {
		print('hello ${i + 1}');
	}

	assert(num.parse('42') is int);
	assert(num.parse('0x42') is int);
	assert(num.parse('0.50') is double);
}
</code></pre>

<h3>LISP</h3>

<p>Changing language-lisp to language-markup works</p>

<pre class="language-lisp"><code>
(defun factorial (n)
	(if (= n 0) 1
		(* n (factorial (- n 1)))))
</code></pre>
</body>
</html>
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@dregad