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more succinct syntax for code block line highlights

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This commit is contained in:
Hakim El Hattab
2019-03-11 15:48:03 +01:00
parent 5adc2032c0
commit 8690858b6f
4 changed files with 11 additions and 18 deletions
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19
plugin/highlight/highlight.js
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@ -90,14 +90,12 @@ var RevealHighlight = (function() {
hljs.highlightBlock( block );
if( block.classList.contains( 'line-numbers' ) ) {
if( block.hasAttribute( 'data-line-numbers' ) ) {
hljs.lineNumbersBlock( block );
if( block.hasAttribute( 'data-highlight-lines' ) ) {
// hljs.lineNumbersBlock runs async code on the next cycle,
// so we need to do the same to execute after it's done
setTimeout( RevealHighlight.highlightLines.bind( this, block ), 0 )
}
// hljs.lineNumbersBlock runs async code on the next cycle,
// so we need to do the same to execute after it's done
setTimeout( RevealHighlight.highlightLines.bind( this, block ), 0 )
}
},
@ -115,12 +113,10 @@ var RevealHighlight = (function() {
*/
highlightLines: function( block, linesToHighlight ) {
linesToHighlight = linesToHighlight || block.getAttribute( 'data-highlight-lines' );
linesToHighlight = linesToHighlight || block.getAttribute( 'data-line-numbers' );
if( typeof linesToHighlight === 'string' ) {
block.classList.add( 'highlight-lines' );
linesToHighlight.split( ',' ).forEach( function( lineNumbers ) {
lineNumbers = lineNumbers.split( '-' )
@ -135,11 +131,6 @@ var RevealHighlight = (function() {
} );
}
else {
block.classList.remove( 'highlight-lines' );
}
}
}