From 9babaa005fee3480e97f6a2ca9d3ac750696fc62 Mon Sep 17 00:00:00 2001 From: Prarup Gurung Date: Tue, 22 Aug 2023 17:05:12 +0545 Subject: [PATCH] Refactored var to let or const, strict equality --- plugin/markdown/plugin.js | 74 +++++++++++++++++++-------------------- 1 file changed, 37 insertions(+), 37 deletions(-) diff --git a/plugin/markdown/plugin.js b/plugin/markdown/plugin.js index 51326704..bb63de8f 100755 --- a/plugin/markdown/plugin.js +++ b/plugin/markdown/plugin.js @@ -38,15 +38,15 @@ const Plugin = () => { function getMarkdownFromSlide( section ) { // look for a ' ); - var leadingWs = text.match( /^\n?(\s*)/ )[1].length, + const leadingWs = text.match( /^\n?(\s*)/ )[1].length, leadingTabs = text.match( /^\n?(\t*)/ )[1].length; if( leadingTabs > 0 ) { @@ -68,11 +68,11 @@ const Plugin = () => { */ function getForwardedAttributes( section ) { - var attributes = section.attributes; - var result = []; + const attributes = section.attributes; + const result = []; - for( var i = 0, len = attributes.length; i < len; i++ ) { - var name = attributes[i].name, + for( let i = 0, len = attributes.length; i < len; i++ ) { + const name = attributes[i].name, value = attributes[i].value; // disregard attributes that are used for markdown loading/parsing @@ -114,7 +114,7 @@ const Plugin = () => { options = getSlidifyOptions( options ); - var notesMatch = content.split( new RegExp( options.notesSeparator, 'mgi' ) ); + const notesMatch = content.split( new RegExp( options.notesSeparator, 'mgi' ) ); if( notesMatch.length === 2 ) { content = notesMatch[0] + ''; @@ -136,10 +136,10 @@ const Plugin = () => { options = getSlidifyOptions( options ); - var separatorRegex = new RegExp( options.separator + ( options.verticalSeparator ? '|' + options.verticalSeparator : '' ), 'mg' ), + const separatorRegex = new RegExp( options.separator + ( options.verticalSeparator ? '|' + options.verticalSeparator : '' ), 'mg' ), horizontalSeparatorRegex = new RegExp( options.separator ); - var matches, + let matches, lastIndex = 0, isHorizontal, wasHorizontal = true, @@ -148,7 +148,7 @@ const Plugin = () => { // iterate until all blocks between separators are stacked up while( matches = separatorRegex.exec( markdown ) ) { - var notes = null; + const notes = null; // determine direction (horizontal by default) isHorizontal = horizontalSeparatorRegex.test( matches[0] ); @@ -177,10 +177,10 @@ const Plugin = () => { // add the remaining slide ( wasHorizontal ? sectionStack : sectionStack[sectionStack.length-1] ).push( markdown.substring( lastIndex ) ); - var markdownSections = ''; + let markdownSections = ''; // flatten the hierarchical stack, and insert
tags - for( var i = 0, len = sectionStack.length; i < len; i++ ) { + for( let i = 0, len = sectionStack.length; i < len; i++ ) { // vertical if( sectionStack[i] instanceof Array ) { markdownSections += '
'; @@ -209,7 +209,7 @@ const Plugin = () => { return new Promise( function( resolve ) { - var externalPromises = []; + const externalPromises = []; [].slice.call( scope.querySelectorAll( 'section[data-markdown]:not([data-markdown-parsed])') ).forEach( function( section, i ) { @@ -262,13 +262,13 @@ const Plugin = () => { return new Promise( function( resolve, reject ) { - var xhr = new XMLHttpRequest(), + const xhr = new XMLHttpRequest(), url = section.getAttribute( 'data-markdown' ); - var datacharset = section.getAttribute( 'data-charset' ); + const datacharset = section.getAttribute( 'data-charset' ); // see https://developer.mozilla.org/en-US/docs/Web/API/element.getAttribute#Notes - if( datacharset != null && datacharset != '' ) { + if( datacharset !== null && datacharset !== '' ) { xhr.overrideMimeType( 'text/html; charset=' + datacharset ); } @@ -313,14 +313,14 @@ const Plugin = () => { */ function addAttributeInElement( node, elementTarget, separator ) { - var markdownClassesInElementsRegex = new RegExp( separator, 'mg' ); - var markdownClassRegex = new RegExp( "([^\"= ]+?)=\"([^\"]+?)\"|(data-[^\"= ]+?)(?=[\" ])", 'mg' ); - var nodeValue = node.nodeValue; - var matches, + const markdownClassesInElementsRegex = new RegExp( separator, 'mg' ); + const markdownClassRegex = new RegExp( "([^\"= ]+?)=\"([^\"]+?)\"|(data-[^\"= ]+?)(?=[\" ])", 'mg' ); + let nodeValue = node.nodeValue; + let matches, matchesClass; if( matches = markdownClassesInElementsRegex.exec( nodeValue ) ) { - var classes = matches[1]; + const classes = matches[1]; nodeValue = nodeValue.substring( 0, matches.index ) + nodeValue.substring( markdownClassesInElementsRegex.lastIndex ); node.nodeValue = nodeValue; while( matchesClass = markdownClassRegex.exec( classes ) ) { @@ -341,34 +341,34 @@ const Plugin = () => { */ function addAttributes( section, element, previousElement, separatorElementAttributes, separatorSectionAttributes ) { - if ( element != null && element.childNodes != undefined && element.childNodes.length > 0 ) { - var previousParentElement = element; - for( var i = 0; i < element.childNodes.length; i++ ) { - var childElement = element.childNodes[i]; + if ( element !== null && element.childNodes !== undefined && element.childNodes.length > 0 ) { + let previousParentElement = element; + for( let i = 0; i < element.childNodes.length; i++ ) { + const childElement = element.childNodes[i]; if ( i > 0 ) { - var j = i - 1; + let j = i - 1; while ( j >= 0 ) { - var aPreviousChildElement = element.childNodes[j]; - if ( typeof aPreviousChildElement.setAttribute == 'function' && aPreviousChildElement.tagName != "BR" ) { + const aPreviousChildElement = element.childNodes[j]; + if ( typeof aPreviousChildElement.setAttribute === 'function' && aPreviousChildElement.tagName !== "BR" ) { previousParentElement = aPreviousChildElement; break; } j = j - 1; } } - var parentSection = section; - if( childElement.nodeName == "section" ) { + let parentSection = section; + if( childElement.nodeName === "section" ) { parentSection = childElement ; previousParentElement = childElement ; } - if ( typeof childElement.setAttribute == 'function' || childElement.nodeType == Node.COMMENT_NODE ) { + if ( typeof childElement.setAttribute === 'function' || childElement.nodeType === Node.COMMENT_NODE ) { addAttributes( parentSection, childElement, previousParentElement, separatorElementAttributes, separatorSectionAttributes ); } } } - if ( element.nodeType == Node.COMMENT_NODE ) { - if ( addAttributeInElement( element, previousElement, separatorElementAttributes ) == false ) { + if ( element.nodeType === Node.COMMENT_NODE ) { + if ( addAttributeInElement( element, previousElement, separatorElementAttributes ) === false ) { addAttributeInElement( element, section, separatorSectionAttributes ); } } @@ -380,14 +380,14 @@ const Plugin = () => { */ function convertSlides() { - var sections = deck.getRevealElement().querySelectorAll( '[data-markdown]:not([data-markdown-parsed])'); + const sections = deck.getRevealElement().querySelectorAll( '[data-markdown]:not([data-markdown-parsed])'); [].slice.call( sections ).forEach( function( section ) { section.setAttribute( 'data-markdown-parsed', true ) - var notes = section.querySelector( 'aside.notes' ); - var markdown = getMarkdownFromSlide( section ); + const notes = section.querySelector( 'aside.notes' ); + const markdown = getMarkdownFromSlide( section ); section.innerHTML = marked( markdown ); addAttributes( section, section, null, section.getAttribute( 'data-element-attributes' ) ||