vault backup: 2025-09-07 20:45:17
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|
||||
const Rs={id:"highlight",HIGHLIGHT_STEP_DELIMITER:"|",HIGHLIGHT_LINE_DELIMITER:",",HIGHLIGHT_LINE_RANGE_DELIMITER:"-",hljs:fs,init:function(e){let t=e.getConfig().highlight||{};t.highlightOnLoad="boolean"!=typeof t.highlightOnLoad||t.highlightOnLoad,t.escapeHTML="boolean"!=typeof t.escapeHTML||t.escapeHTML,Array.from(e.getRevealElement().querySelectorAll("pre code")).forEach((e=>{e.parentNode.classList.add("code-wrapper");let a=e.querySelector('script[type="text/template"]');a&&(e.textContent=a.innerHTML),e.hasAttribute("data-trim")&&"function"==typeof e.innerHTML.trim&&(e.innerHTML=function(e){function t(e){return e.replace(/^[\s\uFEFF\xA0]+/g,"")}function a(e){for(var t=e.split("\n"),a=0;a<t.length&&""===t[a].trim();a++)t.splice(a--,1);for(a=t.length-1;a>=0&&""===t[a].trim();a--)t.splice(a,1);return t.join("\n")}return function(e){var n=a(e.innerHTML).split("\n"),i=n.reduce((function(e,a){return a.length>0&&t(a).length>0&&e>a.length-t(a).length?a.length-t(a).length:e}),Number.POSITIVE_INFINITY);return n.map((function(e,t){return e.slice(i)})).join("\n")}(e)}(e)),t.escapeHTML&&!e.hasAttribute("data-noescape")&&(e.innerHTML=e.innerHTML.replace(/</g,"<").replace(/>/g,">")),e.addEventListener("focusout",(function(e){fs.highlightElement(e.currentTarget)}),!1)})),"function"==typeof t.beforeHighlight&&t.beforeHighlight(fs),t.highlightOnLoad&&Array.from(e.getRevealElement().querySelectorAll("pre code")).forEach((e=>{Rs.highlightBlock(e)})),e.on("pdf-ready",(function(){[].slice.call(e.getRevealElement().querySelectorAll("pre code[data-line-numbers].current-fragment")).forEach((function(e){Rs.scrollHighlightedLineIntoView(e,{},!0)}))}))},highlightBlock:function(e){if(fs.highlightElement(e),0!==e.innerHTML.trim().length&&e.hasAttribute("data-line-numbers")){fs.lineNumbersBlock(e,{singleLine:!0});var t={currentBlock:e},a=Rs.deserializeHighlightSteps(e.getAttribute("data-line-numbers"));if(a.length>1){var n=parseInt(e.getAttribute("data-fragment-index"),10);("number"!=typeof n||isNaN(n))&&(n=null),a.slice(1).forEach((function(a){var i=e.cloneNode(!0);i.setAttribute("data-line-numbers",Rs.serializeHighlightSteps([a])),i.classList.add("fragment"),e.parentNode.appendChild(i),Rs.highlightLines(i),"number"==typeof n?(i.setAttribute("data-fragment-index",n),n+=1):i.removeAttribute("data-fragment-index"),i.addEventListener("visible",Rs.scrollHighlightedLineIntoView.bind(Rs,i,t)),i.addEventListener("hidden",Rs.scrollHighlightedLineIntoView.bind(Rs,i.previousElementSibling,t))})),e.removeAttribute("data-fragment-index"),e.setAttribute("data-line-numbers",Rs.serializeHighlightSteps([a[0]]))}var i="function"==typeof e.closest?e.closest("section:not(.stack)"):null;if(i){var r=function(){Rs.scrollHighlightedLineIntoView(e,t,!0),i.removeEventListener("visible",r)};i.addEventListener("visible",r)}Rs.highlightLines(e)}},scrollHighlightedLineIntoView:function(e,t,a){cancelAnimationFrame(t.animationFrameID),t.currentBlock&&(e.scrollTop=t.currentBlock.scrollTop),t.currentBlock=e;var n=this.getHighlightedLineBounds(e),i=e.offsetHeight,r=getComputedStyle(e);i-=parseInt(r.paddingTop)+parseInt(r.paddingBottom);var o=e.scrollTop,s=n.top+(Math.min(n.bottom-n.top,i)-i)/2,l=e.querySelector(".hljs-ln");if(l&&(s+=l.offsetTop-parseInt(r.paddingTop)),s=Math.max(Math.min(s,e.scrollHeight-i),0),!0===a||o===s)e.scrollTop=s;else{if(e.scrollHeight<=i)return;var c=0,_=function(){c=Math.min(c+.02,1),e.scrollTop=o+(s-o)*Rs.easeInOutQuart(c),c<1&&(t.animationFrameID=requestAnimationFrame(_))};_()}},easeInOutQuart:function(e){return e<.5?8*e*e*e*e:1-8*--e*e*e*e},getHighlightedLineBounds:function(e){var t=e.querySelectorAll(".highlight-line");if(0===t.length)return{top:0,bottom:0};var a=t[0],n=t[t.length-1];return{top:a.offsetTop,bottom:n.offsetTop+n.offsetHeight}},highlightLines:function(e,t){var a=Rs.deserializeHighlightSteps(t||e.getAttribute("data-line-numbers"));a.length&&a[0].forEach((function(t){var a=[];"number"==typeof t.end?a=[].slice.call(e.querySelectorAll("table tr:nth-child(n+"+t.start+"):nth-child(-n+"+t.end+")")):"number"==typeof t.start&&(a=[].slice.call(e.querySelectorAll("table tr:nth-child("+t.start+")"))),a.length&&(a.forEach((function(e){e.classList.add("highlight-line")})),e.classList.add("has-highlights"))}))},deserializeHighlightSteps:function(e){return(e=(e=e.replace(/\s/g,"")).split(Rs.HIGHLIGHT_STEP_DELIMITER)).map((function(e){return e.split(Rs.HIGHLIGHT_LINE_DELIMITER).map((function(e){if(/^[\d-]+$/.test(e)){e=e.split(Rs.HIGHLIGHT_LINE_RANGE_DELIMITER);var t=parseInt(e[0],10),a=parseInt(e[1],10);return isNaN(a)?{start:t}:{start:t,end:a}}return{}}))}))},serializeHighlightSteps:function(e){return e.map((function(e){return e.map((function(e){return"number"==typeof e.end?e.start+Rs.HIGHLIGHT_LINE_RANGE_DELIMITER+e.end:"number"==typeof e.start?e.start:""})).join(Rs.HIGHLIGHT_LINE_DELIMITER)})).join(Rs.HIGHLIGHT_STEP_DELIMITER)}};return()=>Rs}));
|
||||
@@ -0,0 +1,71 @@
|
||||
/*
|
||||
Monokai style - ported by Luigi Maselli - http://grigio.org
|
||||
*/
|
||||
|
||||
.hljs {
|
||||
display: block;
|
||||
overflow-x: auto;
|
||||
padding: 0.5em;
|
||||
background: #272822;
|
||||
color: #ddd;
|
||||
}
|
||||
|
||||
.hljs-tag,
|
||||
.hljs-keyword,
|
||||
.hljs-selector-tag,
|
||||
.hljs-literal,
|
||||
.hljs-strong,
|
||||
.hljs-name {
|
||||
color: #f92672;
|
||||
}
|
||||
|
||||
.hljs-code {
|
||||
color: #66d9ef;
|
||||
}
|
||||
|
||||
.hljs-class .hljs-title {
|
||||
color: white;
|
||||
}
|
||||
|
||||
.hljs-attribute,
|
||||
.hljs-symbol,
|
||||
.hljs-regexp,
|
||||
.hljs-link {
|
||||
color: #bf79db;
|
||||
}
|
||||
|
||||
.hljs-string,
|
||||
.hljs-bullet,
|
||||
.hljs-subst,
|
||||
.hljs-title,
|
||||
.hljs-section,
|
||||
.hljs-emphasis,
|
||||
.hljs-type,
|
||||
.hljs-built_in,
|
||||
.hljs-builtin-name,
|
||||
.hljs-selector-attr,
|
||||
.hljs-selector-pseudo,
|
||||
.hljs-addition,
|
||||
.hljs-variable,
|
||||
.hljs-template-tag,
|
||||
.hljs-template-variable {
|
||||
color: #a6e22e;
|
||||
}
|
||||
|
||||
.hljs-comment,
|
||||
.hljs-quote,
|
||||
.hljs-deletion,
|
||||
.hljs-meta {
|
||||
color: #75715e;
|
||||
}
|
||||
|
||||
.hljs-keyword,
|
||||
.hljs-selector-tag,
|
||||
.hljs-literal,
|
||||
.hljs-doctag,
|
||||
.hljs-title,
|
||||
.hljs-section,
|
||||
.hljs-type,
|
||||
.hljs-selector-id {
|
||||
font-weight: bold;
|
||||
}
|
||||
@@ -0,0 +1,439 @@
|
||||
import hljs from 'highlight.js';
|
||||
|
||||
/* highlightjs-line-numbers.js 2.8.0 | (C) 2018 Yauheni Pakala | MIT License | github.com/wcoder/highlightjs-line-numbers.js */
|
||||
!function(r,o){"use strict";var e,i="hljs-ln",l="hljs-ln-line",h="hljs-ln-code",s="hljs-ln-numbers",c="hljs-ln-n",m="data-line-number",a=/\r\n|\r|\n/g;function u(e){for(var n=e.toString(),t=e.anchorNode;"TD"!==t.nodeName;)t=t.parentNode;for(var r=e.focusNode;"TD"!==r.nodeName;)r=r.parentNode;var o=parseInt(t.dataset.lineNumber),a=parseInt(r.dataset.lineNumber);if(o==a)return n;var i,l=t.textContent,s=r.textContent;for(a<o&&(i=o,o=a,a=i,i=l,l=s,s=i);0!==n.indexOf(l);)l=l.slice(1);for(;-1===n.lastIndexOf(s);)s=s.slice(0,-1);for(var c=l,u=function(e){for(var n=e;"TABLE"!==n.nodeName;)n=n.parentNode;return n}(t),d=o+1;d<a;++d){var f=p('.{0}[{1}="{2}"]',[h,m,d]);c+="\n"+u.querySelector(f).textContent}return c+="\n"+s}function n(e){try{var n=o.querySelectorAll("code.hljs,code.nohighlight");for(var t in n)n.hasOwnProperty(t)&&(n[t].classList.contains("nohljsln")||d(n[t],e))}catch(e){r.console.error("LineNumbers error: ",e)}}function d(e,n){if("object"==typeof e)e.innerHTML=f(e,n)}function f(e,n){var t,r,o=(t=e,{singleLine:function(e){return!!e.singleLine&&e.singleLine}(r=(r=n)||{}),startFrom:function(e,n){var t=1;isFinite(n.startFrom)&&(t=n.startFrom);var r=function(e,n){return e.hasAttribute(n)?e.getAttribute(n):null}(e,"data-ln-start-from");return null!==r&&(t=function(e,n){if(!e)return n;var t=Number(e);return isFinite(t)?t:n}(r,1)),t}(t,r)});return function e(n){var t=n.childNodes;for(var r in t){var o;t.hasOwnProperty(r)&&(o=t[r],0<(o.textContent.trim().match(a)||[]).length&&(0<o.childNodes.length?e(o):v(o.parentNode)))}}(e),function(e,n){var t=g(e);""===t[t.length-1].trim()&&t.pop();if(1<t.length||n.singleLine){for(var r="",o=0,a=t.length;o<a;o++)r+=p('<tr><td class="{0} {1}" {3}="{5}"><div class="{2}" {3}="{5}"></div></td><td class="{0} {4}" {3}="{5}">{6}</td></tr>',[l,s,c,m,h,o+n.startFrom,0<t[o].length?t[o]:" "]);return p('<table class="{0}">{1}</table>',[i,r])}return e}(e.innerHTML,o)}function v(e){var n=e.className;if(/hljs-/.test(n)){for(var t=g(e.innerHTML),r=0,o="";r<t.length;r++){o+=p('<span class="{0}">{1}</span>\n',[n,0<t[r].length?t[r]:" "])}e.innerHTML=o.trim()}}function g(e){return 0===e.length?[]:e.split(a)}function p(e,t){return e.replace(/\{(\d+)\}/g,function(e,n){return void 0!==t[n]?t[n]:e})}hljs?(hljs.initLineNumbersOnLoad=function(e){"interactive"===o.readyState||"complete"===o.readyState?n(e):r.addEventListener("DOMContentLoaded",function(){n(e)})},hljs.lineNumbersBlock=d,hljs.lineNumbersValue=function(e,n){if("string"!=typeof e)return;var t=document.createElement("code");return t.innerHTML=e,f(t,n)},(e=o.createElement("style")).type="text/css",e.innerHTML=p(".{0}{border-collapse:collapse}.{0} td{padding:0}.{1}:before{content:attr({2})}",[i,c,m]),o.getElementsByTagName("head")[0].appendChild(e)):r.console.error("highlight.js not detected!"),document.addEventListener("copy",function(e){var n,t=window.getSelection();!function(e){for(var n=e;n;){if(n.className&&-1!==n.className.indexOf("hljs-ln-code"))return 1;n=n.parentNode}}(t.anchorNode)||(n=-1!==window.navigator.userAgent.indexOf("Edge")?u(t):t.toString(),e.clipboardData.setData("text/plain",n),e.preventDefault())})}(window,document);
|
||||
|
||||
|
||||
/*!
|
||||
* reveal.js plugin that adds syntax highlight support.
|
||||
*/
|
||||
|
||||
const Plugin = {
|
||||
|
||||
id: 'highlight',
|
||||
|
||||
HIGHLIGHT_STEP_DELIMITER: '|',
|
||||
HIGHLIGHT_LINE_DELIMITER: ',',
|
||||
HIGHLIGHT_LINE_RANGE_DELIMITER: '-',
|
||||
|
||||
hljs,
|
||||
|
||||
/**
|
||||
* Highlights code blocks within the given deck.
|
||||
*
|
||||
* Note that this can be called multiple times if
|
||||
* there are multiple presentations on one page.
|
||||
*
|
||||
* @param {Reveal} reveal the reveal.js instance
|
||||
*/
|
||||
init: function( reveal ) {
|
||||
|
||||
// Read the plugin config options and provide fallbacks
|
||||
let config = reveal.getConfig().highlight || {};
|
||||
|
||||
config.highlightOnLoad = typeof config.highlightOnLoad === 'boolean' ? config.highlightOnLoad : true;
|
||||
config.escapeHTML = typeof config.escapeHTML === 'boolean' ? config.escapeHTML : true;
|
||||
|
||||
Array.from( reveal.getRevealElement().querySelectorAll( 'pre code' ) ).forEach( block => {
|
||||
|
||||
block.parentNode.classList.add('code-wrapper');
|
||||
|
||||
// Code can optionally be wrapped in script template to avoid
|
||||
// HTML being parsed by the browser (i.e. when you need to
|
||||
// include <, > or & in your code).
|
||||
let substitute = block.querySelector( 'script[type="text/template"]' );
|
||||
if( substitute ) {
|
||||
// textContent handles the HTML entity escapes for us
|
||||
block.textContent = substitute.innerHTML;
|
||||
}
|
||||
|
||||
// Trim whitespace if the "data-trim" attribute is present
|
||||
if( block.hasAttribute( 'data-trim' ) && typeof block.innerHTML.trim === 'function' ) {
|
||||
block.innerHTML = betterTrim( block );
|
||||
}
|
||||
|
||||
// Escape HTML tags unless the "data-noescape" attribute is present
|
||||
if( config.escapeHTML && !block.hasAttribute( 'data-noescape' )) {
|
||||
block.innerHTML = block.innerHTML.replace( /</g,"<").replace(/>/g, '>' );
|
||||
}
|
||||
|
||||
// Re-highlight when focus is lost (for contenteditable code)
|
||||
block.addEventListener( 'focusout', function( event ) {
|
||||
hljs.highlightElement( event.currentTarget );
|
||||
}, false );
|
||||
|
||||
} );
|
||||
|
||||
// Triggers a callback function before we trigger highlighting
|
||||
if( typeof config.beforeHighlight === 'function' ) {
|
||||
config.beforeHighlight( hljs );
|
||||
}
|
||||
|
||||
// Run initial highlighting for all code
|
||||
if( config.highlightOnLoad ) {
|
||||
Array.from( reveal.getRevealElement().querySelectorAll( 'pre code' ) ).forEach( block => {
|
||||
Plugin.highlightBlock( block );
|
||||
} );
|
||||
}
|
||||
|
||||
// If we're printing to PDF, scroll the code highlights of
|
||||
// all blocks in the deck into view at once
|
||||
reveal.on( 'pdf-ready', function() {
|
||||
[].slice.call( reveal.getRevealElement().querySelectorAll( 'pre code[data-line-numbers].current-fragment' ) ).forEach( function( block ) {
|
||||
Plugin.scrollHighlightedLineIntoView( block, {}, true );
|
||||
} );
|
||||
} );
|
||||
|
||||
},
|
||||
|
||||
/**
|
||||
* Highlights a code block. If the <code> node has the
|
||||
* 'data-line-numbers' attribute we also generate slide
|
||||
* numbers.
|
||||
*
|
||||
* If the block contains multiple line highlight steps,
|
||||
* we clone the block and create a fragment for each step.
|
||||
*/
|
||||
highlightBlock: function( block ) {
|
||||
|
||||
hljs.highlightElement( block );
|
||||
|
||||
// Don't generate line numbers for empty code blocks
|
||||
if( block.innerHTML.trim().length === 0 ) return;
|
||||
|
||||
if( block.hasAttribute( 'data-line-numbers' ) ) {
|
||||
hljs.lineNumbersBlock( block, { singleLine: true } );
|
||||
|
||||
var scrollState = { currentBlock: block };
|
||||
|
||||
// If there is more than one highlight step, generate
|
||||
// fragments
|
||||
var highlightSteps = Plugin.deserializeHighlightSteps( block.getAttribute( 'data-line-numbers' ) );
|
||||
if( highlightSteps.length > 1 ) {
|
||||
|
||||
// If the original code block has a fragment-index,
|
||||
// each clone should follow in an incremental sequence
|
||||
var fragmentIndex = parseInt( block.getAttribute( 'data-fragment-index' ), 10 );
|
||||
|
||||
if( typeof fragmentIndex !== 'number' || isNaN( fragmentIndex ) ) {
|
||||
fragmentIndex = null;
|
||||
}
|
||||
|
||||
// Generate fragments for all steps except the original block
|
||||
highlightSteps.slice(1).forEach( function( highlight ) {
|
||||
|
||||
var fragmentBlock = block.cloneNode( true );
|
||||
fragmentBlock.setAttribute( 'data-line-numbers', Plugin.serializeHighlightSteps( [ highlight ] ) );
|
||||
fragmentBlock.classList.add( 'fragment' );
|
||||
block.parentNode.appendChild( fragmentBlock );
|
||||
Plugin.highlightLines( fragmentBlock );
|
||||
|
||||
if( typeof fragmentIndex === 'number' ) {
|
||||
fragmentBlock.setAttribute( 'data-fragment-index', fragmentIndex );
|
||||
fragmentIndex += 1;
|
||||
}
|
||||
else {
|
||||
fragmentBlock.removeAttribute( 'data-fragment-index' );
|
||||
}
|
||||
|
||||
// Scroll highlights into view as we step through them
|
||||
fragmentBlock.addEventListener( 'visible', Plugin.scrollHighlightedLineIntoView.bind( Plugin, fragmentBlock, scrollState ) );
|
||||
fragmentBlock.addEventListener( 'hidden', Plugin.scrollHighlightedLineIntoView.bind( Plugin, fragmentBlock.previousElementSibling, scrollState ) );
|
||||
|
||||
} );
|
||||
|
||||
block.removeAttribute( 'data-fragment-index' );
|
||||
block.setAttribute( 'data-line-numbers', Plugin.serializeHighlightSteps( [ highlightSteps[0] ] ) );
|
||||
|
||||
}
|
||||
|
||||
// Scroll the first highlight into view when the slide
|
||||
// becomes visible. Note supported in IE11 since it lacks
|
||||
// support for Element.closest.
|
||||
var slide = typeof block.closest === 'function' ? block.closest( 'section:not(.stack)' ) : null;
|
||||
if( slide ) {
|
||||
var scrollFirstHighlightIntoView = function() {
|
||||
Plugin.scrollHighlightedLineIntoView( block, scrollState, true );
|
||||
slide.removeEventListener( 'visible', scrollFirstHighlightIntoView );
|
||||
}
|
||||
slide.addEventListener( 'visible', scrollFirstHighlightIntoView );
|
||||
}
|
||||
|
||||
Plugin.highlightLines( block );
|
||||
|
||||
}
|
||||
|
||||
},
|
||||
|
||||
/**
|
||||
* Animates scrolling to the first highlighted line
|
||||
* in the given code block.
|
||||
*/
|
||||
scrollHighlightedLineIntoView: function( block, scrollState, skipAnimation ) {
|
||||
|
||||
cancelAnimationFrame( scrollState.animationFrameID );
|
||||
|
||||
// Match the scroll position of the currently visible
|
||||
// code block
|
||||
if( scrollState.currentBlock ) {
|
||||
block.scrollTop = scrollState.currentBlock.scrollTop;
|
||||
}
|
||||
|
||||
// Remember the current code block so that we can match
|
||||
// its scroll position when showing/hiding fragments
|
||||
scrollState.currentBlock = block;
|
||||
|
||||
var highlightBounds = this.getHighlightedLineBounds( block )
|
||||
var viewportHeight = block.offsetHeight;
|
||||
|
||||
// Subtract padding from the viewport height
|
||||
var blockStyles = getComputedStyle( block );
|
||||
viewportHeight -= parseInt( blockStyles.paddingTop ) + parseInt( blockStyles.paddingBottom );
|
||||
|
||||
// Scroll position which centers all highlights
|
||||
var startTop = block.scrollTop;
|
||||
var targetTop = highlightBounds.top + ( Math.min( highlightBounds.bottom - highlightBounds.top, viewportHeight ) - viewportHeight ) / 2;
|
||||
|
||||
// Account for offsets in position applied to the
|
||||
// <table> that holds our lines of code
|
||||
var lineTable = block.querySelector( '.hljs-ln' );
|
||||
if( lineTable ) targetTop += lineTable.offsetTop - parseInt( blockStyles.paddingTop );
|
||||
|
||||
// Make sure the scroll target is within bounds
|
||||
targetTop = Math.max( Math.min( targetTop, block.scrollHeight - viewportHeight ), 0 );
|
||||
|
||||
if( skipAnimation === true || startTop === targetTop ) {
|
||||
block.scrollTop = targetTop;
|
||||
}
|
||||
else {
|
||||
|
||||
// Don't attempt to scroll if there is no overflow
|
||||
if( block.scrollHeight <= viewportHeight ) return;
|
||||
|
||||
var time = 0;
|
||||
var animate = function() {
|
||||
time = Math.min( time + 0.02, 1 );
|
||||
|
||||
// Update our eased scroll position
|
||||
block.scrollTop = startTop + ( targetTop - startTop ) * Plugin.easeInOutQuart( time );
|
||||
|
||||
// Keep animating unless we've reached the end
|
||||
if( time < 1 ) {
|
||||
scrollState.animationFrameID = requestAnimationFrame( animate );
|
||||
}
|
||||
};
|
||||
|
||||
animate();
|
||||
|
||||
}
|
||||
|
||||
},
|
||||
|
||||
/**
|
||||
* The easing function used when scrolling.
|
||||
*/
|
||||
easeInOutQuart: function( t ) {
|
||||
|
||||
// easeInOutQuart
|
||||
return t<.5 ? 8*t*t*t*t : 1-8*(--t)*t*t*t;
|
||||
|
||||
},
|
||||
|
||||
getHighlightedLineBounds: function( block ) {
|
||||
|
||||
var highlightedLines = block.querySelectorAll( '.highlight-line' );
|
||||
if( highlightedLines.length === 0 ) {
|
||||
return { top: 0, bottom: 0 };
|
||||
}
|
||||
else {
|
||||
var firstHighlight = highlightedLines[0];
|
||||
var lastHighlight = highlightedLines[ highlightedLines.length -1 ];
|
||||
|
||||
return {
|
||||
top: firstHighlight.offsetTop,
|
||||
bottom: lastHighlight.offsetTop + lastHighlight.offsetHeight
|
||||
}
|
||||
}
|
||||
|
||||
},
|
||||
|
||||
/**
|
||||
* Visually emphasize specific lines within a code block.
|
||||
* This only works on blocks with line numbering turned on.
|
||||
*
|
||||
* @param {HTMLElement} block a <code> block
|
||||
* @param {String} [linesToHighlight] The lines that should be
|
||||
* highlighted in this format:
|
||||
* "1" = highlights line 1
|
||||
* "2,5" = highlights lines 2 & 5
|
||||
* "2,5-7" = highlights lines 2, 5, 6 & 7
|
||||
*/
|
||||
highlightLines: function( block, linesToHighlight ) {
|
||||
|
||||
var highlightSteps = Plugin.deserializeHighlightSteps( linesToHighlight || block.getAttribute( 'data-line-numbers' ) );
|
||||
|
||||
if( highlightSteps.length ) {
|
||||
|
||||
highlightSteps[0].forEach( function( highlight ) {
|
||||
|
||||
var elementsToHighlight = [];
|
||||
|
||||
// Highlight a range
|
||||
if( typeof highlight.end === 'number' ) {
|
||||
elementsToHighlight = [].slice.call( block.querySelectorAll( 'table tr:nth-child(n+'+highlight.start+'):nth-child(-n+'+highlight.end+')' ) );
|
||||
}
|
||||
// Highlight a single line
|
||||
else if( typeof highlight.start === 'number' ) {
|
||||
elementsToHighlight = [].slice.call( block.querySelectorAll( 'table tr:nth-child('+highlight.start+')' ) );
|
||||
}
|
||||
|
||||
if( elementsToHighlight.length ) {
|
||||
elementsToHighlight.forEach( function( lineElement ) {
|
||||
lineElement.classList.add( 'highlight-line' );
|
||||
} );
|
||||
|
||||
block.classList.add( 'has-highlights' );
|
||||
}
|
||||
|
||||
} );
|
||||
|
||||
}
|
||||
|
||||
},
|
||||
|
||||
/**
|
||||
* Parses and formats a user-defined string of line
|
||||
* numbers to highlight.
|
||||
*
|
||||
* @example
|
||||
* Plugin.deserializeHighlightSteps( '1,2|3,5-10' )
|
||||
* // [
|
||||
* // [ { start: 1 }, { start: 2 } ],
|
||||
* // [ { start: 3 }, { start: 5, end: 10 } ]
|
||||
* // ]
|
||||
*/
|
||||
deserializeHighlightSteps: function( highlightSteps ) {
|
||||
|
||||
// Remove whitespace
|
||||
highlightSteps = highlightSteps.replace( /\s/g, '' );
|
||||
|
||||
// Divide up our line number groups
|
||||
highlightSteps = highlightSteps.split( Plugin.HIGHLIGHT_STEP_DELIMITER );
|
||||
|
||||
return highlightSteps.map( function( highlights ) {
|
||||
|
||||
return highlights.split( Plugin.HIGHLIGHT_LINE_DELIMITER ).map( function( highlight ) {
|
||||
|
||||
// Parse valid line numbers
|
||||
if( /^[\d-]+$/.test( highlight ) ) {
|
||||
|
||||
highlight = highlight.split( Plugin.HIGHLIGHT_LINE_RANGE_DELIMITER );
|
||||
|
||||
var lineStart = parseInt( highlight[0], 10 ),
|
||||
lineEnd = parseInt( highlight[1], 10 );
|
||||
|
||||
if( isNaN( lineEnd ) ) {
|
||||
return {
|
||||
start: lineStart
|
||||
};
|
||||
}
|
||||
else {
|
||||
return {
|
||||
start: lineStart,
|
||||
end: lineEnd
|
||||
};
|
||||
}
|
||||
|
||||
}
|
||||
// If no line numbers are provided, no code will be highlighted
|
||||
else {
|
||||
|
||||
return {};
|
||||
|
||||
}
|
||||
|
||||
} );
|
||||
|
||||
} );
|
||||
|
||||
},
|
||||
|
||||
/**
|
||||
* Serializes parsed line number data into a string so
|
||||
* that we can store it in the DOM.
|
||||
*/
|
||||
serializeHighlightSteps: function( highlightSteps ) {
|
||||
|
||||
return highlightSteps.map( function( highlights ) {
|
||||
|
||||
return highlights.map( function( highlight ) {
|
||||
|
||||
// Line range
|
||||
if( typeof highlight.end === 'number' ) {
|
||||
return highlight.start + Plugin.HIGHLIGHT_LINE_RANGE_DELIMITER + highlight.end;
|
||||
}
|
||||
// Single line
|
||||
else if( typeof highlight.start === 'number' ) {
|
||||
return highlight.start;
|
||||
}
|
||||
// All lines
|
||||
else {
|
||||
return '';
|
||||
}
|
||||
|
||||
} ).join( Plugin.HIGHLIGHT_LINE_DELIMITER );
|
||||
|
||||
} ).join( Plugin.HIGHLIGHT_STEP_DELIMITER );
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// Function to perform a better "data-trim" on code snippets
|
||||
// Will slice an indentation amount on each line of the snippet (amount based on the line having the lowest indentation length)
|
||||
function betterTrim(snippetEl) {
|
||||
// Helper functions
|
||||
function trimLeft(val) {
|
||||
// Adapted from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/Trim#Polyfill
|
||||
return val.replace(/^[\s\uFEFF\xA0]+/g, '');
|
||||
}
|
||||
function trimLineBreaks(input) {
|
||||
var lines = input.split('\n');
|
||||
|
||||
// Trim line-breaks from the beginning
|
||||
for (var i = 0; i < lines.length; i++) {
|
||||
if (lines[i].trim() === '') {
|
||||
lines.splice(i--, 1);
|
||||
} else break;
|
||||
}
|
||||
|
||||
// Trim line-breaks from the end
|
||||
for (var i = lines.length-1; i >= 0; i--) {
|
||||
if (lines[i].trim() === '') {
|
||||
lines.splice(i, 1);
|
||||
} else break;
|
||||
}
|
||||
|
||||
return lines.join('\n');
|
||||
}
|
||||
|
||||
// Main function for betterTrim()
|
||||
return (function(snippetEl) {
|
||||
var content = trimLineBreaks(snippetEl.innerHTML);
|
||||
var lines = content.split('\n');
|
||||
// Calculate the minimum amount to remove on each line start of the snippet (can be 0)
|
||||
var pad = lines.reduce(function(acc, line) {
|
||||
if (line.length > 0 && trimLeft(line).length > 0 && acc > line.length - trimLeft(line).length) {
|
||||
return line.length - trimLeft(line).length;
|
||||
}
|
||||
return acc;
|
||||
}, Number.POSITIVE_INFINITY);
|
||||
// Slice each line with this amount
|
||||
return lines.map(function(line, index) {
|
||||
return line.slice(pad);
|
||||
})
|
||||
.join('\n');
|
||||
})(snippetEl);
|
||||
}
|
||||
|
||||
export default () => Plugin;
|
||||
@@ -0,0 +1,100 @@
|
||||
pre code.hljs {
|
||||
display: block;
|
||||
overflow-x: auto;
|
||||
padding: 1em
|
||||
}
|
||||
code.hljs {
|
||||
padding: 3px 5px
|
||||
}
|
||||
/*
|
||||
* Visual Studio 2015 dark style
|
||||
* Author: Nicolas LLOBERA <nllobera@gmail.com>
|
||||
*/
|
||||
.hljs {
|
||||
background: #1E1E1E;
|
||||
color: #DCDCDC
|
||||
}
|
||||
.hljs-keyword,
|
||||
.hljs-literal,
|
||||
.hljs-symbol,
|
||||
.hljs-name {
|
||||
color: #569CD6
|
||||
}
|
||||
.hljs-link {
|
||||
color: #569CD6;
|
||||
text-decoration: underline
|
||||
}
|
||||
.hljs-built_in,
|
||||
.hljs-type {
|
||||
color: #4EC9B0
|
||||
}
|
||||
.hljs-number,
|
||||
.hljs-class {
|
||||
color: #B8D7A3
|
||||
}
|
||||
.hljs-string,
|
||||
.hljs-meta .hljs-string {
|
||||
color: #D69D85
|
||||
}
|
||||
.hljs-regexp,
|
||||
.hljs-template-tag {
|
||||
color: #9A5334
|
||||
}
|
||||
.hljs-subst,
|
||||
.hljs-function,
|
||||
.hljs-title,
|
||||
.hljs-params,
|
||||
.hljs-formula {
|
||||
color: #DCDCDC
|
||||
}
|
||||
.hljs-comment,
|
||||
.hljs-quote {
|
||||
color: #57A64A;
|
||||
font-style: italic
|
||||
}
|
||||
.hljs-doctag {
|
||||
color: #608B4E
|
||||
}
|
||||
.hljs-meta,
|
||||
.hljs-meta .hljs-keyword,
|
||||
.hljs-tag {
|
||||
color: #9B9B9B
|
||||
}
|
||||
.hljs-variable,
|
||||
.hljs-template-variable {
|
||||
color: #BD63C5
|
||||
}
|
||||
.hljs-attr,
|
||||
.hljs-attribute {
|
||||
color: #9CDCFE
|
||||
}
|
||||
.hljs-section {
|
||||
color: gold
|
||||
}
|
||||
.hljs-emphasis {
|
||||
font-style: italic
|
||||
}
|
||||
.hljs-strong {
|
||||
font-weight: bold
|
||||
}
|
||||
/*.hljs-code {
|
||||
font-family:'Monospace';
|
||||
}*/
|
||||
.hljs-bullet,
|
||||
.hljs-selector-tag,
|
||||
.hljs-selector-id,
|
||||
.hljs-selector-class,
|
||||
.hljs-selector-attr,
|
||||
.hljs-selector-pseudo {
|
||||
color: #D7BA7D
|
||||
}
|
||||
.hljs-addition {
|
||||
background-color: #144212;
|
||||
display: inline-block;
|
||||
width: 100%
|
||||
}
|
||||
.hljs-deletion {
|
||||
background-color: #600;
|
||||
display: inline-block;
|
||||
width: 100%
|
||||
}
|
||||
@@ -0,0 +1,80 @@
|
||||
/*
|
||||
|
||||
Zenburn style from voldmar.ru (c) Vladimir Epifanov <voldmar@voldmar.ru>
|
||||
based on dark.css by Ivan Sagalaev
|
||||
|
||||
*/
|
||||
|
||||
.hljs {
|
||||
display: block;
|
||||
overflow-x: auto;
|
||||
padding: 0.5em;
|
||||
background: #3f3f3f;
|
||||
color: #dcdcdc;
|
||||
}
|
||||
|
||||
.hljs-keyword,
|
||||
.hljs-selector-tag,
|
||||
.hljs-tag {
|
||||
color: #e3ceab;
|
||||
}
|
||||
|
||||
.hljs-template-tag {
|
||||
color: #dcdcdc;
|
||||
}
|
||||
|
||||
.hljs-number {
|
||||
color: #8cd0d3;
|
||||
}
|
||||
|
||||
.hljs-variable,
|
||||
.hljs-template-variable,
|
||||
.hljs-attribute {
|
||||
color: #efdcbc;
|
||||
}
|
||||
|
||||
.hljs-literal {
|
||||
color: #efefaf;
|
||||
}
|
||||
|
||||
.hljs-subst {
|
||||
color: #8f8f8f;
|
||||
}
|
||||
|
||||
.hljs-title,
|
||||
.hljs-name,
|
||||
.hljs-selector-id,
|
||||
.hljs-selector-class,
|
||||
.hljs-section,
|
||||
.hljs-type {
|
||||
color: #efef8f;
|
||||
}
|
||||
|
||||
.hljs-symbol,
|
||||
.hljs-bullet,
|
||||
.hljs-link {
|
||||
color: #dca3a3;
|
||||
}
|
||||
|
||||
.hljs-deletion,
|
||||
.hljs-string,
|
||||
.hljs-built_in,
|
||||
.hljs-builtin-name {
|
||||
color: #cc9393;
|
||||
}
|
||||
|
||||
.hljs-addition,
|
||||
.hljs-comment,
|
||||
.hljs-quote,
|
||||
.hljs-meta {
|
||||
color: #7f9f7f;
|
||||
}
|
||||
|
||||
|
||||
.hljs-emphasis {
|
||||
font-style: italic;
|
||||
}
|
||||
|
||||
.hljs-strong {
|
||||
font-weight: bold;
|
||||
}
|
||||
Reference in new issue
Block a user