diff options
Diffstat (limited to '')
| -rw-r--r-- | public/js/reveal-markdown.js | 102 |
1 files changed, 51 insertions, 51 deletions
diff --git a/public/js/reveal-markdown.js b/public/js/reveal-markdown.js index c49bb9a2..89cd0887 100644 --- a/public/js/reveal-markdown.js +++ b/public/js/reveal-markdown.js @@ -17,28 +17,28 @@ import { md } from './extra' root.RevealMarkdown.initialize() } }(this, function () { - var DEFAULT_SLIDE_SEPARATOR = '^\r?\n---\r?\n$' - var DEFAULT_NOTES_SEPARATOR = '^note:' - var DEFAULT_ELEMENT_ATTRIBUTES_SEPARATOR = '\\.element\\s*?(.+?)$' - var DEFAULT_SLIDE_ATTRIBUTES_SEPARATOR = '\\.slide:\\s*?(\\S.+?)$' + const DEFAULT_SLIDE_SEPARATOR = '^\r?\n---\r?\n$' + const DEFAULT_NOTES_SEPARATOR = '^note:' + const DEFAULT_ELEMENT_ATTRIBUTES_SEPARATOR = '\\.element\\s*?(.+?)$' + const DEFAULT_SLIDE_ATTRIBUTES_SEPARATOR = '\\.slide:\\s*?(\\S.+?)$' - var SCRIPT_END_PLACEHOLDER = '__SCRIPT_END__' + const SCRIPT_END_PLACEHOLDER = '__SCRIPT_END__' /** * Retrieves the markdown contents of a slide section * element. Normalizes leading tabs/whitespace. */ function getMarkdownFromSlide (section) { - var template = section.querySelector('script') + const template = section.querySelector('script') // strip leading whitespace so it isn't evaluated as code - var text = (template || section).textContent + let text = (template || section).textContent // restore script end tags text = text.replace(new RegExp(SCRIPT_END_PLACEHOLDER, 'g'), '</script>') - var leadingWs = text.match(/^\n?(\s*)/)[1].length - var leadingTabs = text.match(/^\n?(\t*)/)[1].length + const leadingWs = text.match(/^\n?(\s*)/)[1].length + const leadingTabs = text.match(/^\n?(\t*)/)[1].length if (leadingTabs > 0) { text = text.replace(new RegExp('\\n?\\t{' + leadingTabs + '}', 'g'), '\n') @@ -56,12 +56,12 @@ import { md } from './extra' * to the output markdown slide. */ 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 - var value = attributes[i].value + for (let i = 0, len = attributes.length; i < len; i++) { + const name = attributes[i].name + const value = attributes[i].value // disregard attributes that are used for markdown loading/parsing if (/data-(markdown|separator|vertical|notes)/gi.test(name)) continue @@ -95,7 +95,7 @@ import { md } from './extra' function createMarkdownSlide (content, options) { 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] + '<aside class="notes" data-markdown>' + notesMatch[1].trim() + '</aside>' @@ -115,15 +115,15 @@ import { md } from './extra' function slidify (markdown, options) { options = getSlidifyOptions(options) - var separatorRegex = new RegExp(options.separator + (options.verticalSeparator ? '|' + options.verticalSeparator : ''), 'mg') - var horizontalSeparatorRegex = new RegExp(options.separator) + const separatorRegex = new RegExp(options.separator + (options.verticalSeparator ? '|' + options.verticalSeparator : ''), 'mg') + const horizontalSeparatorRegex = new RegExp(options.separator) - var matches - var lastIndex = 0 - var isHorizontal - var wasHorizontal = true - var content - var sectionStack = [] + let matches + let lastIndex = 0 + let isHorizontal + let wasHorizontal = true + let content + const sectionStack = [] // iterate until all blocks between separators are stacked up while ((matches = separatorRegex.exec(markdown)) !== null) { @@ -153,10 +153,10 @@ import { md } from './extra' // add the remaining slide (wasHorizontal ? sectionStack : sectionStack[sectionStack.length - 1]).push(markdown.substring(lastIndex)) - var markdownSections = '' + let markdownSections = '' // flatten the hierarchical stack, and insert <section data-markdown> 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 += '<section ' + options.attributes + '>' @@ -180,17 +180,17 @@ import { md } from './extra' * handles loading of external markdown. */ function processSlides () { - var sections = document.querySelectorAll('[data-markdown]') - var section + const sections = document.querySelectorAll('[data-markdown]') + let section - for (var i = 0, len = sections.length; i < len; i++) { + for (let i = 0, len = sections.length; i < len; i++) { section = sections[i] if (section.getAttribute('data-markdown').length) { - var xhr = new XMLHttpRequest() - var url = section.getAttribute('data-markdown') + const xhr = new XMLHttpRequest() + const 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 !== '') { @@ -247,18 +247,18 @@ import { md } from './extra' * 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('([^"= ]+?)="([^"=]+?)"', 'mg') - var nodeValue = node.nodeValue - var matches - var matchesClass + const mardownClassesInElementsRegex = new RegExp(separator, 'mg') + const mardownClassRegex = /([^"= ]+?)="([^"=]+?)"/mg + let nodeValue = node.nodeValue + let matches + let matchesClass if ((matches = mardownClassesInElementsRegex.exec(nodeValue))) { - var classes = matches[1] + const classes = matches[1] nodeValue = nodeValue.substring(0, matches.index) + nodeValue.substring(mardownClassesInElementsRegex.lastIndex) node.nodeValue = nodeValue while ((matchesClass = mardownClassRegex.exec(classes))) { - var name = matchesClass[1] - var value = matchesClass[2] + const name = matchesClass[1] + const value = matchesClass[2] if (name.substr(0, 5) === 'data-' || window.whiteListAttr.indexOf(name) !== -1) { elementTarget.setAttribute(name, escapeAttrValue(value)) } } return true @@ -272,13 +272,13 @@ import { md } from './extra' */ 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] + let previousParentElement = element + for (let i = 0; i < element.childNodes.length; i++) { + const childElement = element.childNodes[i] if (i > 0) { let j = i - 1 while (j >= 0) { - var aPreviousChildElement = element.childNodes[j] + const aPreviousChildElement = element.childNodes[j] if (typeof aPreviousChildElement.setAttribute === 'function' && aPreviousChildElement.tagName !== 'BR') { previousParentElement = aPreviousChildElement break @@ -286,7 +286,7 @@ import { md } from './extra' j = j - 1 } } - var parentSection = section + let parentSection = section if (childElement.nodeName === 'section') { parentSection = childElement previousParentElement = childElement @@ -309,21 +309,21 @@ import { md } from './extra' * DOM to HTML. */ function convertSlides () { - var sections = document.querySelectorAll('[data-markdown]') + const sections = document.querySelectorAll('[data-markdown]') - for (var i = 0, len = sections.length; i < len; i++) { - var section = sections[i] + for (let i = 0, len = sections.length; i < len; i++) { + const section = sections[i] // Only parse the same slide once if (!section.getAttribute('data-markdown-parsed')) { section.setAttribute('data-markdown-parsed', true) - var notes = section.querySelector('aside.notes') - var markdown = getMarkdownFromSlide(section) + const notes = section.querySelector('aside.notes') + let markdown = getMarkdownFromSlide(section) markdown = markdown.replace(/</g, '<').replace(/>/g, '>') - var rendered = md.render(markdown) + let rendered = md.render(markdown) rendered = preventXSS(rendered) - var result = window.postProcess(rendered) + const result = window.postProcess(rendered) section.innerHTML = result[0].outerHTML addAttributes(section, section, null, section.getAttribute('data-element-attributes') || section.parentNode.getAttribute('data-element-attributes') || |