minor #139 Improve the handling of custom CSS classes in code blocks (javiereguiluz)

This PR was merged into the main branch.

Discussion
----------

Improve the handling of custom CSS classes in code blocks

This tweaks #138 a bit to avoid unnecessary white spaces.

Commits
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3b0db51 Improve the handling of custom CSS classes in code blocks

Author: javiereguiluz

src/Renderers/CodeNodeRenderer.php

@@ -84,7 +84,7 @@ public function render(): string
         return $this->templateRenderer->render(
             'code.html.twig',
             [
-                'css_classes' => $this->codeNode->getClassesString(),
+                'custom_css_classes' => $this->codeNode->getClassesString(),
                 'languages' => $languages,
                 'line_numbers' => $lineNumbers,
                 'code' => $highlightedCode,

src/Templates/default/html/code.html.twig

@@ -1,4 +1,4 @@
-<div translate="no" data-loc="{{ loc }}" class="notranslate codeblock codeblock-length-{{ length }} {{ languages|map(language => "codeblock-#{language}")|join(' ') }} {{ css_classes }}">
+<div translate="no" data-loc="{{ loc }}" class="notranslate codeblock codeblock-length-{{ length }} {{ languages|map(language => "codeblock-#{language}")|join(' ') }}{% if custom_css_classes %} {{ custom_css_classes }}{% endif %}">
     <div class="codeblock-scroll">
         <pre class="codeblock-lines">{{ line_numbers }}</pre>
         <pre class="codeblock-code"><code>{{ code|raw }}</code></pre>

tests/fixtures/expected/blocks/code-blocks/bash.html

@@ -1,4 +1,4 @@
-<div translate="no" data-loc="1" class="notranslate codeblock codeblock-length-sm codeblock-bash ">
+<div translate="no" data-loc="1" class="notranslate codeblock codeblock-length-sm codeblock-bash">
     <div class="codeblock-scroll">
         <pre class="codeblock-lines">1</pre>
         <pre class="codeblock-code"><code>git <span class="hljs-built_in">clone</span> git@github.com:symfony/symfony.git</code></pre>

tests/fixtures/expected/blocks/code-blocks/diff.html

@@ -1,4 +1,4 @@
-<div translate="no" data-loc="5" class="notranslate codeblock codeblock-length-sm codeblock-diff ">
+<div translate="no" data-loc="5" class="notranslate codeblock codeblock-length-sm codeblock-diff">
     <div class="codeblock-scroll">
         <pre class="codeblock-lines">1
 2
@@ -17,7 +17,7 @@
     </div>
 </div>
 
-<div translate="no" data-loc="6" class="notranslate codeblock codeblock-length-sm codeblock-diff ">
+<div translate="no" data-loc="6" class="notranslate codeblock codeblock-length-sm codeblock-diff">
     <div class="codeblock-scroll">
         <pre class="codeblock-lines">1
 2

tests/fixtures/expected/blocks/code-blocks/html-php.html

@@ -1,4 +1,4 @@
-<div translate="no" data-loc="12" class="notranslate codeblock codeblock-length-md codeblock-html+php codeblock-html ">
+<div translate="no" data-loc="12" class="notranslate codeblock codeblock-length-md codeblock-html+php codeblock-html">
     <div class="codeblock-scroll">
         <pre class="codeblock-lines">1
 2

tests/fixtures/expected/blocks/code-blocks/html-twig.html

@@ -1,4 +1,4 @@
-<div translate="no" data-loc="2" class="notranslate codeblock codeblock-length-sm codeblock-html+twig codeblock-twig ">
+<div translate="no" data-loc="2" class="notranslate codeblock codeblock-length-sm codeblock-html+twig codeblock-twig">
     <div class="codeblock-scroll">
         <pre class="codeblock-lines">1
 2</pre>

tests/fixtures/expected/blocks/code-blocks/html.html

@@ -1,4 +1,4 @@
-<div translate="no" data-loc="1" class="notranslate codeblock codeblock-length-sm codeblock-html ">
+<div translate="no" data-loc="1" class="notranslate codeblock codeblock-length-sm codeblock-html">
     <div class="codeblock-scroll">
         <pre class="codeblock-lines">1</pre>
         <pre class="codeblock-code"><code><span class="hljs-comment">&lt;!-- some code --&gt;</span>

tests/fixtures/expected/blocks/code-blocks/ini.html

@@ -1,4 +1,4 @@
-<div translate="no" data-loc="1" class="notranslate codeblock codeblock-length-sm codeblock-ini ">
+<div translate="no" data-loc="1" class="notranslate codeblock codeblock-length-sm codeblock-ini">
     <div class="codeblock-scroll">
         <pre class="codeblock-lines">1</pre>
         <pre class="codeblock-code"><code><span class="hljs-attr">fetch</span> = +refs/notes/*:refs/notes/*</code></pre>

tests/fixtures/expected/blocks/code-blocks/php-annotations.html

@@ -1,4 +1,4 @@
-<div translate="no" data-loc="14" class="notranslate codeblock codeblock-length-md codeblock-php-annotations codeblock-php ">
+<div translate="no" data-loc="14" class="notranslate codeblock codeblock-length-md codeblock-php-annotations codeblock-php">
     <div class="codeblock-scroll">
         <pre class="codeblock-lines">1
 2

tests/fixtures/expected/blocks/code-blocks/php.html

@@ -1,4 +1,4 @@
-<div translate="no" data-loc="7" class="notranslate codeblock codeblock-length-sm codeblock-php ">
+<div translate="no" data-loc="7" class="notranslate codeblock codeblock-length-sm codeblock-php">
     <div class="codeblock-scroll">
         <pre class="codeblock-lines">1
 2