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replace deprecated hljs.highlightBlock calls, fix #2958

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This commit is contained in:
Hakim El Hattab
2021-05-21 09:13:40 +02:00
parent 48024a1137
commit c2fd760f8f
15 changed files with 106 additions and 8 deletions
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4
plugin/highlight/highlight.esm.js
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4
plugin/highlight/highlight.js
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10
plugin/highlight/plugin.js
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@ -29,11 +29,13 @@ const Plugin = {
init: function( reveal ) {
// Read the plugin config options and provide fallbacks
var config = reveal.getConfig().highlight || {};
let config = reveal.getConfig().highlight || {};
config.highlightOnLoad = typeof config.highlightOnLoad === 'boolean' ? config.highlightOnLoad : true;
config.escapeHTML = typeof config.escapeHTML === 'boolean' ? config.escapeHTML : true;
[].slice.call( reveal.getRevealElement().querySelectorAll( 'pre code' ) ).forEach( function( block ) {
Array.from( reveal.getRevealElement().querySelectorAll( 'pre code' ) ).forEach( block => {
block.parentNode.className = 'code-wrapper';
// Code can optionally be wrapped in script template to avoid
// HTML being parsed by the browser (i.e. when you need to
@ -56,7 +58,7 @@ const Plugin = {
// Re-highlight when focus is lost (for contenteditable code)
block.addEventListener( 'focusout', function( event ) {
hljs.highlightBlock( event.currentTarget );
hljs.highlightElement( event.currentTarget );
}, false );
if( config.highlightOnLoad ) {
@ -85,7 +87,7 @@ const Plugin = {
*/
highlightBlock: function( block ) {
hljs.highlightBlock( block );
hljs.highlightElement( block );
// Don't generate line numbers for empty code blocks
if( block.innerHTML.trim().length === 0 ) return;