36 lines
1 KiB
JavaScript
36 lines
1 KiB
JavaScript
/* This file is NOT part of highlight.js */
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class PreserveCallouts {
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constructor(options) {
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self.callouts = [];
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/* Using OBJECT REPLACEMENT CHARACTER as a marker of where the callout
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should be inserted. We hope that this won't cause conflicts. */
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self.marker = '\u{FFFC}';
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}
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'before:highlightElement'({el, language}) {
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const re = /<a id="[^"]+"><\/a><span><img src="images\/callouts\/\d+.svg" alt="\d+" border="0"><\/span>/g;
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const array = [...el.innerHTML.matchAll(re)];
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if (array.length > 0) {
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self.callouts = array;
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el.innerHTML = el.innerHTML.replaceAll(re, self.marker);
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}
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}
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'after:highlightElement'({ el, result, text }) {
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if (self.callouts.length > 0) {
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el.innerHTML = el.innerHTML.replaceAll(
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self.marker, (str) => self.callouts.shift());
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}
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}
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}
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document.addEventListener('DOMContentLoaded', (event) => {
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hljs.addPlugin(new PreserveCallouts());
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document.querySelectorAll('pre.programlisting, pre.screen').forEach((el) => {
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hljs.highlightElement(el);
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});
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});
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