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@@ -1,449 +1,430 @@
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-/**
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+/*!
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* The reveal.js markdown plugin. Handles parsing of
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* markdown inside of presentations as well as loading
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* of external markdown documents.
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*/
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-(function( root, factory ) {
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- if (typeof define === 'function' && define.amd) {
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- root.marked = require( './marked' );
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- root.RevealMarkdown = factory( root.marked );
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- } else if( typeof exports === 'object' ) {
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- module.exports = factory( require( './marked' ) );
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- } else {
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- // Browser globals (root is window)
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- root.RevealMarkdown = factory( root.marked );
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- }
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-}( this, function( marked ) {
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- var DEFAULT_SLIDE_SEPARATOR = '^\r?\n---\r?\n$',
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- DEFAULT_NOTES_SEPARATOR = 'notes?:',
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- DEFAULT_ELEMENT_ATTRIBUTES_SEPARATOR = '\\\.element\\\s*?(.+?)$',
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- DEFAULT_SLIDE_ATTRIBUTES_SEPARATOR = '\\\.slide:\\\s*?(\\\S.+?)$';
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+import marked from './marked.js'
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- var SCRIPT_END_PLACEHOLDER = '__SCRIPT_END__';
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+export default {
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+ id: 'markdown',
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/**
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- * Retrieves the markdown contents of a slide section
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- * element. Normalizes leading tabs/whitespace.
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+ * Starts processing and converting Markdown within the
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+ * current reveal.js deck.
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*/
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- function getMarkdownFromSlide( section ) {
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+ init: function( deck ) {
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- // look for a <script> or <textarea data-template> wrapper
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- var template = section.querySelector( '[data-template]' ) || section.querySelector( 'script' );
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+ if( typeof hljs !== 'undefined' ) {
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+ marked.setOptions({
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+ highlight: function( code, lang ) {
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+ return hljs.highlightAuto( code, [lang] ).value;
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+ }
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+ });
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+ }
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- // strip leading whitespace so it isn't evaluated as code
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- var text = ( template || section ).textContent;
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+ // marked can be configured via reveal.js config options
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+ var options = deck.getConfig().markdown;
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+ if( options ) {
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+ marked.setOptions( options );
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+ }
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- // restore script end tags
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- text = text.replace( new RegExp( SCRIPT_END_PLACEHOLDER, 'g' ), '</script>' );
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+ return processSlides( deck.getRevealElement() ).then( convertSlides );
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- var leadingWs = text.match( /^\n?(\s*)/ )[1].length,
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- leadingTabs = text.match( /^\n?(\t*)/ )[1].length;
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+ },
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- if( leadingTabs > 0 ) {
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- text = text.replace( new RegExp('\\n?\\t{' + leadingTabs + '}','g'), '\n' );
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- }
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- else if( leadingWs > 1 ) {
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- text = text.replace( new RegExp('\\n? {' + leadingWs + '}', 'g'), '\n' );
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- }
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+ // TODO: Do these belong in the API?
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+ processSlides: processSlides,
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+ convertSlides: convertSlides,
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+ slidify: slidify,
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+ marked: marked
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- return text;
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+};
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- }
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+var DEFAULT_SLIDE_SEPARATOR = '^\r?\n---\r?\n$',
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+ DEFAULT_NOTES_SEPARATOR = 'notes?:',
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+ DEFAULT_ELEMENT_ATTRIBUTES_SEPARATOR = '\\\.element\\\s*?(.+?)$',
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+ DEFAULT_SLIDE_ATTRIBUTES_SEPARATOR = '\\\.slide:\\\s*?(\\\S.+?)$';
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- /**
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- * Given a markdown slide section element, this will
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- * return all arguments that aren't related to markdown
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- * parsing. Used to forward any other user-defined arguments
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- * to the output markdown slide.
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- */
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- function getForwardedAttributes( section ) {
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+var SCRIPT_END_PLACEHOLDER = '__SCRIPT_END__';
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- var attributes = section.attributes;
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- var result = [];
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- for( var i = 0, len = attributes.length; i < len; i++ ) {
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- var name = attributes[i].name,
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- value = attributes[i].value;
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+/**
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+ * Retrieves the markdown contents of a slide section
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+ * element. Normalizes leading tabs/whitespace.
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+ */
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+function getMarkdownFromSlide( section ) {
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- // disregard attributes that are used for markdown loading/parsing
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- if( /data\-(markdown|separator|vertical|notes)/gi.test( name ) ) continue;
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+ // look for a <script> or <textarea data-template> wrapper
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+ var template = section.querySelector( '[data-template]' ) || section.querySelector( 'script' );
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- if( value ) {
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- result.push( name + '="' + value + '"' );
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- }
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- else {
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- result.push( name );
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- }
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- }
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+ // strip leading whitespace so it isn't evaluated as code
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+ var text = ( template || section ).textContent;
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+
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+ // restore script end tags
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+ text = text.replace( new RegExp( SCRIPT_END_PLACEHOLDER, 'g' ), '</script>' );
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- return result.join( ' ' );
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+ var leadingWs = text.match( /^\n?(\s*)/ )[1].length,
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+ leadingTabs = text.match( /^\n?(\t*)/ )[1].length;
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+ if( leadingTabs > 0 ) {
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+ text = text.replace( new RegExp('\\n?\\t{' + leadingTabs + '}','g'), '\n' );
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+ }
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+ else if( leadingWs > 1 ) {
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+ text = text.replace( new RegExp('\\n? {' + leadingWs + '}', 'g'), '\n' );
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}
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- /**
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- * Inspects the given options and fills out default
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- * values for what's not defined.
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- */
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- function getSlidifyOptions( options ) {
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+ return text;
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+
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+}
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- options = options || {};
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- options.separator = options.separator || DEFAULT_SLIDE_SEPARATOR;
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- options.notesSeparator = options.notesSeparator || DEFAULT_NOTES_SEPARATOR;
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- options.attributes = options.attributes || '';
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+/**
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+ * Given a markdown slide section element, this will
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+ * return all arguments that aren't related to markdown
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+ * parsing. Used to forward any other user-defined arguments
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+ * to the output markdown slide.
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+ */
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+function getForwardedAttributes( section ) {
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- return options;
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+ var attributes = section.attributes;
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+ var result = [];
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+ for( var i = 0, len = attributes.length; i < len; i++ ) {
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+ var name = attributes[i].name,
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+ value = attributes[i].value;
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+
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+ // disregard attributes that are used for markdown loading/parsing
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+ if( /data\-(markdown|separator|vertical|notes)/gi.test( name ) ) continue;
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+
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+ if( value ) {
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+ result.push( name + '="' + value + '"' );
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+ }
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+ else {
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+ result.push( name );
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+ }
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}
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- /**
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- * Helper function for constructing a markdown slide.
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- */
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- function createMarkdownSlide( content, options ) {
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+ return result.join( ' ' );
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- options = getSlidifyOptions( options );
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+}
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- var notesMatch = content.split( new RegExp( options.notesSeparator, 'mgi' ) );
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+/**
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+ * Inspects the given options and fills out default
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+ * values for what's not defined.
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+ */
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+function getSlidifyOptions( options ) {
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- if( notesMatch.length === 2 ) {
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- content = notesMatch[0] + '<aside class="notes">' + marked(notesMatch[1].trim()) + '</aside>';
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- }
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+ options = options || {};
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+ options.separator = options.separator || DEFAULT_SLIDE_SEPARATOR;
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+ options.notesSeparator = options.notesSeparator || DEFAULT_NOTES_SEPARATOR;
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+ options.attributes = options.attributes || '';
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+
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+ return options;
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+
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+}
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- // prevent script end tags in the content from interfering
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- // with parsing
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- content = content.replace( /<\/script>/g, SCRIPT_END_PLACEHOLDER );
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+/**
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+ * Helper function for constructing a markdown slide.
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+ */
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+function createMarkdownSlide( content, options ) {
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- return '<script type="text/template">' + content + '</script>';
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+ options = getSlidifyOptions( options );
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+ var notesMatch = content.split( new RegExp( options.notesSeparator, 'mgi' ) );
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+
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+ if( notesMatch.length === 2 ) {
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+ content = notesMatch[0] + '<aside class="notes">' + marked(notesMatch[1].trim()) + '</aside>';
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}
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- /**
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- * Parses a data string into multiple slides based
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- * on the passed in separator arguments.
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- */
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- function slidify( markdown, options ) {
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+ // prevent script end tags in the content from interfering
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+ // with parsing
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+ content = content.replace( /<\/script>/g, SCRIPT_END_PLACEHOLDER );
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- options = getSlidifyOptions( options );
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+ return '<script type="text/template">' + content + '</script>';
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- var separatorRegex = new RegExp( options.separator + ( options.verticalSeparator ? '|' + options.verticalSeparator : '' ), 'mg' ),
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- horizontalSeparatorRegex = new RegExp( options.separator );
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+}
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- var matches,
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- lastIndex = 0,
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- isHorizontal,
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- wasHorizontal = true,
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- content,
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- sectionStack = [];
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+/**
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+ * Parses a data string into multiple slides based
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+ * on the passed in separator arguments.
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+ */
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+function slidify( markdown, options ) {
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- // iterate until all blocks between separators are stacked up
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- while( matches = separatorRegex.exec( markdown ) ) {
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- notes = null;
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+ options = getSlidifyOptions( options );
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- // determine direction (horizontal by default)
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- isHorizontal = horizontalSeparatorRegex.test( matches[0] );
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+ var separatorRegex = new RegExp( options.separator + ( options.verticalSeparator ? '|' + options.verticalSeparator : '' ), 'mg' ),
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+ horizontalSeparatorRegex = new RegExp( options.separator );
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- if( !isHorizontal && wasHorizontal ) {
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- // create vertical stack
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- sectionStack.push( [] );
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- }
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+ var matches,
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+ lastIndex = 0,
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+ isHorizontal,
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+ wasHorizontal = true,
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+ content,
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+ sectionStack = [];
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- // pluck slide content from markdown input
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- content = markdown.substring( lastIndex, matches.index );
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+ // iterate until all blocks between separators are stacked up
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+ while( matches = separatorRegex.exec( markdown ) ) {
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+ var notes = null;
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- if( isHorizontal && wasHorizontal ) {
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- // add to horizontal stack
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- sectionStack.push( content );
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- }
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- else {
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- // add to vertical stack
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- sectionStack[sectionStack.length-1].push( content );
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- }
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+ // determine direction (horizontal by default)
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+ isHorizontal = horizontalSeparatorRegex.test( matches[0] );
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- lastIndex = separatorRegex.lastIndex;
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- wasHorizontal = isHorizontal;
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+ if( !isHorizontal && wasHorizontal ) {
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+ // create vertical stack
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+ sectionStack.push( [] );
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}
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- // add the remaining slide
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- ( wasHorizontal ? sectionStack : sectionStack[sectionStack.length-1] ).push( markdown.substring( lastIndex ) );
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+ // pluck slide content from markdown input
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+ content = markdown.substring( lastIndex, matches.index );
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- var markdownSections = '';
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+ if( isHorizontal && wasHorizontal ) {
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+ // add to horizontal stack
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+ sectionStack.push( content );
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+ }
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+ else {
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+ // add to vertical stack
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+ sectionStack[sectionStack.length-1].push( content );
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+ }
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- // flatten the hierarchical stack, and insert <section data-markdown> tags
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- for( var i = 0, len = sectionStack.length; i < len; i++ ) {
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- // vertical
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- if( sectionStack[i] instanceof Array ) {
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- markdownSections += '<section '+ options.attributes +'>';
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+ lastIndex = separatorRegex.lastIndex;
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+ wasHorizontal = isHorizontal;
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+ }
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- sectionStack[i].forEach( function( child ) {
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- markdownSections += '<section data-markdown>' + createMarkdownSlide( child, options ) + '</section>';
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- } );
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+ // add the remaining slide
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+ ( wasHorizontal ? sectionStack : sectionStack[sectionStack.length-1] ).push( markdown.substring( lastIndex ) );
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- markdownSections += '</section>';
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- }
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- else {
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- markdownSections += '<section '+ options.attributes +' data-markdown>' + createMarkdownSlide( sectionStack[i], options ) + '</section>';
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- }
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- }
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+ var markdownSections = '';
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+
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+ // flatten the hierarchical stack, and insert <section data-markdown> tags
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+ for( var i = 0, len = sectionStack.length; i < len; i++ ) {
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+ // vertical
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+ if( sectionStack[i] instanceof Array ) {
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+ markdownSections += '<section '+ options.attributes +'>';
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- return markdownSections;
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+ sectionStack[i].forEach( function( child ) {
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+ markdownSections += '<section data-markdown>' + createMarkdownSlide( child, options ) + '</section>';
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+ } );
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+ markdownSections += '</section>';
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+ }
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+ else {
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+ markdownSections += '<section '+ options.attributes +' data-markdown>' + createMarkdownSlide( sectionStack[i], options ) + '</section>';
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+ }
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}
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- /**
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- * Parses any current data-markdown slides, splits
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- * multi-slide markdown into separate sections and
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- * handles loading of external markdown.
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- */
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- function processSlides() {
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+ return markdownSections;
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- return new Promise( function( resolve ) {
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+}
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- var externalPromises = [];
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+/**
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+ * Parses any current data-markdown slides, splits
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+ * multi-slide markdown into separate sections and
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+ * handles loading of external markdown.
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+ */
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+function processSlides( scope ) {
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- [].slice.call( document.querySelectorAll( '[data-markdown]') ).forEach( function( section, i ) {
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+ return new Promise( function( resolve ) {
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- if( section.getAttribute( 'data-markdown' ).length ) {
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+ var externalPromises = [];
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- externalPromises.push( loadExternalMarkdown( section ).then(
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+ [].slice.call( scope.querySelectorAll( '[data-markdown]:not([data-markdown-parsed])') ).forEach( function( section, i ) {
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- // Finished loading external file
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- function( xhr, url ) {
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- section.outerHTML = slidify( xhr.responseText, {
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- separator: section.getAttribute( 'data-separator' ),
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- verticalSeparator: section.getAttribute( 'data-separator-vertical' ),
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- notesSeparator: section.getAttribute( 'data-separator-notes' ),
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- attributes: getForwardedAttributes( section )
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- });
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- },
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+ if( section.getAttribute( 'data-markdown' ).length ) {
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- // Failed to load markdown
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- function( xhr, url ) {
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- section.outerHTML = '<section data-state="alert">' +
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- 'ERROR: The attempt to fetch ' + url + ' failed with HTTP status ' + xhr.status + '.' +
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- 'Check your browser\'s JavaScript console for more details.' +
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- '<p>Remember that you need to serve the presentation HTML from a HTTP server.</p>' +
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- '</section>';
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- }
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+ externalPromises.push( loadExternalMarkdown( section ).then(
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- ) );
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+ // Finished loading external file
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+ function( xhr, url ) {
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+ section.outerHTML = slidify( xhr.responseText, {
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+ separator: section.getAttribute( 'data-separator' ),
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+ verticalSeparator: section.getAttribute( 'data-separator-vertical' ),
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+ notesSeparator: section.getAttribute( 'data-separator-notes' ),
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+ attributes: getForwardedAttributes( section )
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+ });
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+ },
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- }
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- else if( section.getAttribute( 'data-separator' ) || section.getAttribute( 'data-separator-vertical' ) || section.getAttribute( 'data-separator-notes' ) ) {
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+ // Failed to load markdown
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+ function( xhr, url ) {
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+ section.outerHTML = '<section data-state="alert">' +
|
|
|
+ 'ERROR: The attempt to fetch ' + url + ' failed with HTTP status ' + xhr.status + '.' +
|
|
|
+ 'Check your browser\'s JavaScript console for more details.' +
|
|
|
+ '<p>Remember that you need to serve the presentation HTML from a HTTP server.</p>' +
|
|
|
+ '</section>';
|
|
|
+ }
|
|
|
|
|
|
- section.outerHTML = slidify( getMarkdownFromSlide( section ), {
|
|
|
- separator: section.getAttribute( 'data-separator' ),
|
|
|
- verticalSeparator: section.getAttribute( 'data-separator-vertical' ),
|
|
|
- notesSeparator: section.getAttribute( 'data-separator-notes' ),
|
|
|
- attributes: getForwardedAttributes( section )
|
|
|
- });
|
|
|
+ ) );
|
|
|
|
|
|
- }
|
|
|
- else {
|
|
|
- section.innerHTML = createMarkdownSlide( getMarkdownFromSlide( section ) );
|
|
|
- }
|
|
|
+ }
|
|
|
+ else if( section.getAttribute( 'data-separator' ) || section.getAttribute( 'data-separator-vertical' ) || section.getAttribute( 'data-separator-notes' ) ) {
|
|
|
|
|
|
- });
|
|
|
+ section.outerHTML = slidify( getMarkdownFromSlide( section ), {
|
|
|
+ separator: section.getAttribute( 'data-separator' ),
|
|
|
+ verticalSeparator: section.getAttribute( 'data-separator-vertical' ),
|
|
|
+ notesSeparator: section.getAttribute( 'data-separator-notes' ),
|
|
|
+ attributes: getForwardedAttributes( section )
|
|
|
+ });
|
|
|
|
|
|
- Promise.all( externalPromises ).then( resolve );
|
|
|
+ }
|
|
|
+ else {
|
|
|
+ section.innerHTML = createMarkdownSlide( getMarkdownFromSlide( section ) );
|
|
|
+ }
|
|
|
|
|
|
- } );
|
|
|
+ });
|
|
|
|
|
|
- }
|
|
|
+ Promise.all( externalPromises ).then( resolve );
|
|
|
|
|
|
- function loadExternalMarkdown( section ) {
|
|
|
+ } );
|
|
|
|
|
|
- return new Promise( function( resolve, reject ) {
|
|
|
+}
|
|
|
|
|
|
- var xhr = new XMLHttpRequest(),
|
|
|
- url = section.getAttribute( 'data-markdown' );
|
|
|
+function loadExternalMarkdown( section ) {
|
|
|
|
|
|
- datacharset = section.getAttribute( 'data-charset' );
|
|
|
+ return new Promise( function( resolve, reject ) {
|
|
|
|
|
|
- // see https://developer.mozilla.org/en-US/docs/Web/API/element.getAttribute#Notes
|
|
|
- if( datacharset != null && datacharset != '' ) {
|
|
|
- xhr.overrideMimeType( 'text/html; charset=' + datacharset );
|
|
|
- }
|
|
|
+ var xhr = new XMLHttpRequest(),
|
|
|
+ url = section.getAttribute( 'data-markdown' );
|
|
|
|
|
|
- xhr.onreadystatechange = function( section, xhr ) {
|
|
|
- if( xhr.readyState === 4 ) {
|
|
|
- // file protocol yields status code 0 (useful for local debug, mobile applications etc.)
|
|
|
- if ( ( xhr.status >= 200 && xhr.status < 300 ) || xhr.status === 0 ) {
|
|
|
+ var datacharset = section.getAttribute( 'data-charset' );
|
|
|
|
|
|
- resolve( xhr, url );
|
|
|
+ // see https://developer.mozilla.org/en-US/docs/Web/API/element.getAttribute#Notes
|
|
|
+ if( datacharset != null && datacharset != '' ) {
|
|
|
+ xhr.overrideMimeType( 'text/html; charset=' + datacharset );
|
|
|
+ }
|
|
|
|
|
|
- }
|
|
|
- else {
|
|
|
+ xhr.onreadystatechange = function( section, xhr ) {
|
|
|
+ if( xhr.readyState === 4 ) {
|
|
|
+ // file protocol yields status code 0 (useful for local debug, mobile applications etc.)
|
|
|
+ if ( ( xhr.status >= 200 && xhr.status < 300 ) || xhr.status === 0 ) {
|
|
|
|
|
|
- reject( xhr, url );
|
|
|
+ resolve( xhr, url );
|
|
|
|
|
|
- }
|
|
|
}
|
|
|
- }.bind( this, section, xhr );
|
|
|
+ else {
|
|
|
|
|
|
- xhr.open( 'GET', url, true );
|
|
|
+ reject( xhr, url );
|
|
|
|
|
|
- try {
|
|
|
- xhr.send();
|
|
|
- }
|
|
|
- catch ( e ) {
|
|
|
- alert( 'Failed to get the Markdown file ' + url + '. Make sure that the presentation and the file are served by a HTTP server and the file can be found there. ' + e );
|
|
|
- resolve( xhr, url );
|
|
|
+ }
|
|
|
}
|
|
|
+ }.bind( this, section, xhr );
|
|
|
|
|
|
- } );
|
|
|
+ xhr.open( 'GET', url, true );
|
|
|
|
|
|
- }
|
|
|
+ try {
|
|
|
+ xhr.send();
|
|
|
+ }
|
|
|
+ catch ( e ) {
|
|
|
+ console.warn( 'Failed to get the Markdown file ' + url + '. Make sure that the presentation and the file are served by a HTTP server and the file can be found there. ' + e );
|
|
|
+ resolve( xhr, url );
|
|
|
+ }
|
|
|
|
|
|
- /**
|
|
|
- * Check if a node value has the attributes pattern.
|
|
|
- * If yes, extract it and add that value as one or several attributes
|
|
|
- * to the target element.
|
|
|
- *
|
|
|
- * You need Cache Killer on Chrome to see the effect on any FOM transformation
|
|
|
- * directly on refresh (F5)
|
|
|
- * http://stackoverflow.com/questions/5690269/disabling-chrome-cache-for-website-development/7000899#answer-11786277
|
|
|
- */
|
|
|
- function addAttributeInElement( node, elementTarget, separator ) {
|
|
|
-
|
|
|
- var mardownClassesInElementsRegex = new RegExp( separator, 'mg' );
|
|
|
- var mardownClassRegex = new RegExp( "([^\"= ]+?)=\"([^\"]+?)\"|(data-[^\"= ]+?)(?=[\" ])", 'mg' );
|
|
|
- var nodeValue = node.nodeValue;
|
|
|
- if( matches = mardownClassesInElementsRegex.exec( nodeValue ) ) {
|
|
|
-
|
|
|
- var classes = matches[1];
|
|
|
- nodeValue = nodeValue.substring( 0, matches.index ) + nodeValue.substring( mardownClassesInElementsRegex.lastIndex );
|
|
|
- node.nodeValue = nodeValue;
|
|
|
- while( matchesClass = mardownClassRegex.exec( classes ) ) {
|
|
|
- if( matchesClass[2] ) {
|
|
|
- elementTarget.setAttribute( matchesClass[1], matchesClass[2] );
|
|
|
- } else {
|
|
|
- elementTarget.setAttribute( matchesClass[3], "" );
|
|
|
- }
|
|
|
+ } );
|
|
|
+
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * Check if a node value has the attributes pattern.
|
|
|
+ * If yes, extract it and add that value as one or several attributes
|
|
|
+ * to the target element.
|
|
|
+ *
|
|
|
+ * You need Cache Killer on Chrome to see the effect on any FOM transformation
|
|
|
+ * directly on refresh (F5)
|
|
|
+ * http://stackoverflow.com/questions/5690269/disabling-chrome-cache-for-website-development/7000899#answer-11786277
|
|
|
+ */
|
|
|
+function addAttributeInElement( node, elementTarget, separator ) {
|
|
|
+
|
|
|
+ var mardownClassesInElementsRegex = new RegExp( separator, 'mg' );
|
|
|
+ var mardownClassRegex = new RegExp( "([^\"= ]+?)=\"([^\"]+?)\"|(data-[^\"= ]+?)(?=[\" ])", 'mg' );
|
|
|
+ var nodeValue = node.nodeValue;
|
|
|
+ var matches,
|
|
|
+ matchesClass;
|
|
|
+ if( matches = mardownClassesInElementsRegex.exec( nodeValue ) ) {
|
|
|
+
|
|
|
+ var classes = matches[1];
|
|
|
+ nodeValue = nodeValue.substring( 0, matches.index ) + nodeValue.substring( mardownClassesInElementsRegex.lastIndex );
|
|
|
+ node.nodeValue = nodeValue;
|
|
|
+ while( matchesClass = mardownClassRegex.exec( classes ) ) {
|
|
|
+ if( matchesClass[2] ) {
|
|
|
+ elementTarget.setAttribute( matchesClass[1], matchesClass[2] );
|
|
|
+ } else {
|
|
|
+ elementTarget.setAttribute( matchesClass[3], "" );
|
|
|
}
|
|
|
- return true;
|
|
|
}
|
|
|
- return false;
|
|
|
+ return true;
|
|
|
}
|
|
|
+ return false;
|
|
|
+}
|
|
|
|
|
|
- /**
|
|
|
- * Add attributes to the parent element of a text node,
|
|
|
- * or the element of an attribute node.
|
|
|
- */
|
|
|
- function addAttributes( section, element, previousElement, separatorElementAttributes, separatorSectionAttributes ) {
|
|
|
-
|
|
|
- if ( element != null && element.childNodes != undefined && element.childNodes.length > 0 ) {
|
|
|
- previousParentElement = element;
|
|
|
- for( var i = 0; i < element.childNodes.length; i++ ) {
|
|
|
- childElement = element.childNodes[i];
|
|
|
- if ( i > 0 ) {
|
|
|
- j = i - 1;
|
|
|
- while ( j >= 0 ) {
|
|
|
- aPreviousChildElement = element.childNodes[j];
|
|
|
- if ( typeof aPreviousChildElement.setAttribute == 'function' && aPreviousChildElement.tagName != "BR" ) {
|
|
|
- previousParentElement = aPreviousChildElement;
|
|
|
- break;
|
|
|
- }
|
|
|
- j = j - 1;
|
|
|
+/**
|
|
|
+ * Add attributes to the parent element of a text node,
|
|
|
+ * or the element of an attribute node.
|
|
|
+ */
|
|
|
+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 ( i > 0 ) {
|
|
|
+ var j = i - 1;
|
|
|
+ while ( j >= 0 ) {
|
|
|
+ var aPreviousChildElement = element.childNodes[j];
|
|
|
+ if ( typeof aPreviousChildElement.setAttribute == 'function' && aPreviousChildElement.tagName != "BR" ) {
|
|
|
+ previousParentElement = aPreviousChildElement;
|
|
|
+ break;
|
|
|
}
|
|
|
- }
|
|
|
- parentSection = section;
|
|
|
- if( childElement.nodeName == "section" ) {
|
|
|
- parentSection = childElement ;
|
|
|
- previousParentElement = childElement ;
|
|
|
- }
|
|
|
- if ( typeof childElement.setAttribute == 'function' || childElement.nodeType == Node.COMMENT_NODE ) {
|
|
|
- addAttributes( parentSection, childElement, previousParentElement, separatorElementAttributes, separatorSectionAttributes );
|
|
|
+ j = j - 1;
|
|
|
}
|
|
|
}
|
|
|
- }
|
|
|
-
|
|
|
- if ( element.nodeType == Node.COMMENT_NODE ) {
|
|
|
- if ( addAttributeInElement( element, previousElement, separatorElementAttributes ) == false ) {
|
|
|
- addAttributeInElement( element, section, separatorSectionAttributes );
|
|
|
+ var parentSection = section;
|
|
|
+ if( childElement.nodeName == "section" ) {
|
|
|
+ parentSection = childElement ;
|
|
|
+ previousParentElement = childElement ;
|
|
|
+ }
|
|
|
+ if ( typeof childElement.setAttribute == 'function' || childElement.nodeType == Node.COMMENT_NODE ) {
|
|
|
+ addAttributes( parentSection, childElement, previousParentElement, separatorElementAttributes, separatorSectionAttributes );
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
- /**
|
|
|
- * Converts any current data-markdown slides in the
|
|
|
- * DOM to HTML.
|
|
|
- */
|
|
|
- function convertSlides() {
|
|
|
-
|
|
|
- var sections = document.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 );
|
|
|
-
|
|
|
- section.innerHTML = marked( markdown );
|
|
|
- addAttributes( section, section, null, section.getAttribute( 'data-element-attributes' ) ||
|
|
|
- section.parentNode.getAttribute( 'data-element-attributes' ) ||
|
|
|
- DEFAULT_ELEMENT_ATTRIBUTES_SEPARATOR,
|
|
|
- section.getAttribute( 'data-attributes' ) ||
|
|
|
- section.parentNode.getAttribute( 'data-attributes' ) ||
|
|
|
- DEFAULT_SLIDE_ATTRIBUTES_SEPARATOR);
|
|
|
-
|
|
|
- // If there were notes, we need to re-add them after
|
|
|
- // having overwritten the section's HTML
|
|
|
- if( notes ) {
|
|
|
- section.appendChild( notes );
|
|
|
- }
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- return Promise.resolve();
|
|
|
-
|
|
|
+ if ( element.nodeType == Node.COMMENT_NODE ) {
|
|
|
+ if ( addAttributeInElement( element, previousElement, separatorElementAttributes ) == false ) {
|
|
|
+ addAttributeInElement( element, section, separatorSectionAttributes );
|
|
|
+ }
|
|
|
}
|
|
|
+}
|
|
|
|
|
|
- // API
|
|
|
- var RevealMarkdown = {
|
|
|
-
|
|
|
- id: 'markdown',
|
|
|
-
|
|
|
- /**
|
|
|
- * Starts processing and converting Markdown within the
|
|
|
- * current reveal.js deck.
|
|
|
- */
|
|
|
- init: function( deck ) {
|
|
|
-
|
|
|
- if( typeof marked === 'undefined' ) {
|
|
|
- throw 'The reveal.js Markdown plugin requires marked to be loaded';
|
|
|
- }
|
|
|
+/**
|
|
|
+ * Converts any current data-markdown slides in the
|
|
|
+ * DOM to HTML.
|
|
|
+ */
|
|
|
+function convertSlides() {
|
|
|
|
|
|
- if( typeof hljs !== 'undefined' ) {
|
|
|
- marked.setOptions({
|
|
|
- highlight: function( code, lang ) {
|
|
|
- return hljs.highlightAuto( code, [lang] ).value;
|
|
|
- }
|
|
|
- });
|
|
|
- }
|
|
|
+ var sections = document.querySelectorAll( '[data-markdown]:not([data-markdown-parsed])');
|
|
|
|
|
|
- // marked can be configured via reveal.js config options
|
|
|
- var options = deck.getConfig().markdown;
|
|
|
- if( options ) {
|
|
|
- marked.setOptions( options );
|
|
|
- }
|
|
|
+ [].slice.call( sections ).forEach( function( section ) {
|
|
|
|
|
|
- return processSlides().then( convertSlides );
|
|
|
+ section.setAttribute( 'data-markdown-parsed', true )
|
|
|
|
|
|
- },
|
|
|
+ var notes = section.querySelector( 'aside.notes' );
|
|
|
+ var markdown = getMarkdownFromSlide( section );
|
|
|
|
|
|
- // TODO: Do these belong in the API?
|
|
|
- processSlides: processSlides,
|
|
|
- convertSlides: convertSlides,
|
|
|
- slidify: slidify
|
|
|
+ section.innerHTML = marked( markdown );
|
|
|
+ addAttributes( section, section, null, section.getAttribute( 'data-element-attributes' ) ||
|
|
|
+ section.parentNode.getAttribute( 'data-element-attributes' ) ||
|
|
|
+ DEFAULT_ELEMENT_ATTRIBUTES_SEPARATOR,
|
|
|
+ section.getAttribute( 'data-attributes' ) ||
|
|
|
+ section.parentNode.getAttribute( 'data-attributes' ) ||
|
|
|
+ DEFAULT_SLIDE_ATTRIBUTES_SEPARATOR);
|
|
|
|
|
|
- };
|
|
|
+ // If there were notes, we need to re-add them after
|
|
|
+ // having overwritten the section's HTML
|
|
|
+ if( notes ) {
|
|
|
+ section.appendChild( notes );
|
|
|
+ }
|
|
|
|
|
|
- // Register our plugin so that reveal.js will call our
|
|
|
- // plugin 'init' method as part of the initialization
|
|
|
- Reveal.registerPlugin( RevealMarkdown );
|
|
|
+ } );
|
|
|
|
|
|
- return RevealMarkdown;
|
|
|
+ return Promise.resolve();
|
|
|
|
|
|
-}));
|
|
|
+}
|
Hakim El Hattab