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fix: use vanilla js for highlight hook #369

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fix: use vanilla js for highlight hook #369

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47 changes: 23 additions & 24 deletions src/Modules/Highlight.php
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Original file line number Diff line number Diff line change
Expand Up @@ -329,34 +329,33 @@ public function front_enqueue_scripts() {
* Print Javascript plaintext in page footer.
*/
public function front_print_footer_scripts() {
$script = '
$script = <<<EOL
<script id="module-highlight-js">
(function($) {
$(function() {
$("pre code").each(function(i, e) {
var thisclass = $(this).attr("class");
document.addEventListener("DOMContentLoaded", function() {
var codeElements = document.querySelectorAll("pre code");

if (typeof thisclass !== "undefined") {
if (
thisclass.indexOf("katex") === -1 &&
thisclass.indexOf("mermaid") === -1 &&
thisclass.indexOf("seq") === -1 &&
thisclass.indexOf("flow") === -1
) {
if (typeof hljs !== "undefined") {
$(this).closest("pre").addClass("hljs");
hljs.highlightBlock(e);
} else {

console.log("%c WP Githuber MD %c You have enabled highlight.js modules already, but you have to update this post to take effect, identifying which file should be loaded.\nGithuber MD does not load a whole-fat-packed file for every post.", "background: #222; color: #bada55", "color: #637338");
}
for (var i = 0; i < codeElements.length; i++) {
var thisClass = codeElements[i].getAttribute("class");

if (thisClass) {
if (
thisClass.indexOf("katex") === -1 &&
thisClass.indexOf("mermaid") === -1 &&
thisClass.indexOf("seq") === -1 &&
thisClass.indexOf("flow") === -1
) {
if (typeof hljs !== "undefined") {
codeElements[i].closest("pre").classList.add("hljs");
hljs.highlightBlock(codeElements[i]);
} else {
console.log("%c WP Githuber MD %c You have enabled highlight.js modules already, but you have to update this post to take effect, identifying which file should be loaded.\nGithuber MD does not load a whole-fat-packed file for every post.", "background: #222; color: #bada55", "color: #637338");
}
}
}
}
});
});
})(jQuery);
}
});
</script>
';
EOL;
echo preg_replace( '/\s+/', ' ', $script );
}
}