diff options
Diffstat (limited to 'lib/output/modifiers/highlightCode.js')
-rw-r--r-- | lib/output/modifiers/highlightCode.js | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/lib/output/modifiers/highlightCode.js b/lib/output/modifiers/highlightCode.js deleted file mode 100644 index 5d397bb..0000000 --- a/lib/output/modifiers/highlightCode.js +++ /dev/null @@ -1,58 +0,0 @@ -var is = require('is'); -var Immutable = require('immutable'); - -var Promise = require('../../utils/promise'); -var editHTMLElement = require('./editHTMLElement'); - -/** - Return language for a code blocks from a list of class names - - @param {Array<String>} - @return {String} -*/ -function getLanguageForClass(classNames) { - return Immutable.List(classNames) - .map(function(cl) { - // Markdown - if (cl.search('lang-') === 0) { - return cl.slice('lang-'.length); - } - - // Asciidoc - if (cl.search('language-') === 0) { - return cl.slice('language-'.length); - } - - return null; - }) - .find(function(cl) { - return Boolean(cl); - }); -} - - -/** - Highlight all code elements - - @param {Function(lang, body) -> String} highlight - @param {HTMLDom} $ - @return {Promise} -*/ -function highlightCode(highlight, $) { - return editHTMLElement($, 'code', function($code) { - var classNames = ($code.attr('class') || '').split(' '); - var lang = getLanguageForClass(classNames); - var source = $code.text(); - - return Promise(highlight(lang, source)) - .then(function(r) { - if (is.string(r.html)) { - $code.html(r.html); - } else { - $code.text(r.text); - } - }); - }); -} - -module.exports = highlightCode; |