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author | Samy Pessé <samypesse@gmail.com> | 2016-09-05 11:04:18 +0200 |
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committer | Samy Pessé <samypesse@gmail.com> | 2016-09-05 11:04:18 +0200 |
commit | a14ca3e268e95a7eab59fb205b41da7331d57631 (patch) | |
tree | 9c84b2cbd561345335fca3e26af961b2ea23d8ec /lib/output/modifiers/highlightCode.js | |
parent | 9c071dade573aa6990878006f83c89b6065a1395 (diff) | |
download | gitbook-a14ca3e268e95a7eab59fb205b41da7331d57631.zip gitbook-a14ca3e268e95a7eab59fb205b41da7331d57631.tar.gz gitbook-a14ca3e268e95a7eab59fb205b41da7331d57631.tar.bz2 |
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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; |