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Core: Add `tabindex` to code blocks to enable keyboard navigation (#2799)

This commit is contained in:
Michael Schmidt 2021-03-21 16:58:13 +01:00 committed by GitHub
parent 7e5f78ffd5
commit dbf7051558
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GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 33 additions and 15 deletions
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6
components/prism-core.js
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@ -558,6 +558,12 @@ var _ = {
_.hooks.run('before-sanity-check', env);
// plugins may change/add the parent/element
parent = env.element.parentElement;
if (parent && parent.nodeName.toLowerCase() === 'pre' && !parent.hasAttribute('tabindex')) {
parent.setAttribute('tabindex', '0');
}
if (!env.code) {
_.hooks.run('complete', env);
callback && callback.call(env.element);

2
components/prism-core.min.js vendored
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File diff suppressed because one or more lines are too long

6
docs/Prism.hooks.html
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@ -73,7 +73,7 @@
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line671">line 671</a>
<a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line677">line 677</a>
</li></ul></dd>
@ -152,7 +152,7 @@
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line686">line 686</a>
<a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line692">line 692</a>
</li></ul></dd>
@ -314,7 +314,7 @@ Hooks are usually directly run by a highlight function but you can also run hook
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line703">line 703</a>
<a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line709">line 709</a>
</li></ul></dd>

4
docs/Prism.html
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@ -263,7 +263,7 @@ Prism.manual = true;
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line612">line 612</a>
<a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line618">line 618</a>
</li></ul></dd>
@ -1157,7 +1157,7 @@ Mostly useful when <code>async</code> is <code>true</code>, since in that case,
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line648">line 648</a>
<a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line654">line 654</a>
</li></ul></dd>

8
docs/Token.html
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@ -80,7 +80,7 @@
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line737">line 737</a>
<a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line743">line 743</a>
</li></ul></dd>
@ -364,7 +364,7 @@
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line764">line 764</a>
<a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line770">line 770</a>
</li></ul></dd>
@ -447,7 +447,7 @@
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line756">line 756</a>
<a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line762">line 762</a>
</li></ul></dd>
@ -524,7 +524,7 @@
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line747">line 747</a>
<a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line753">line 753</a>
</li></ul></dd>

10
docs/global.html
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@ -143,7 +143,7 @@
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line1190">line 1190</a>
<a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line1196">line 1196</a>
</li></ul></dd>
@ -274,7 +274,7 @@
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line1169">line 1169</a>
<a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line1175">line 1175</a>
</li></ul></dd>
@ -559,7 +559,7 @@ each another.</p></td>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line1198">line 1198</a>
<a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line1204">line 1204</a>
</li></ul></dd>
@ -713,7 +713,7 @@ each another.</p></td>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line1208">line 1208</a>
<a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line1214">line 1214</a>
</li></ul></dd>
@ -859,7 +859,7 @@ each another.</p></td>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line769">line 769</a>
<a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line775">line 775</a>
</li></ul></dd>

6
docs/prism-core.js.html
View File

@ -611,6 +611,12 @@ var _ = {
_.hooks.run('before-sanity-check', env);
// plugins may change/add the parent/element
parent = env.element.parentElement;
if (parent &amp;&amp; parent.nodeName.toLowerCase() === 'pre' &amp;&amp; !parent.hasAttribute('tabindex')) {
parent.setAttribute('tabindex', '0');
}
if (!env.code) {
_.hooks.run('complete', env);
callback &amp;&amp; callback.call(env.element);

6
prism.js
View File

@ -563,6 +563,12 @@ var _ = {
_.hooks.run('before-sanity-check', env);
// plugins may change/add the parent/element
parent = env.element.parentElement;
if (parent && parent.nodeName.toLowerCase() === 'pre' && !parent.hasAttribute('tabindex')) {
parent.setAttribute('tabindex', '0');
}
if (!env.code) {
_.hooks.run('complete', env);
callback && callback.call(env.element);