3 files changed, 54 insertions, 0 deletions
diff --git a/packages/gitbook-plugin-highlight/src/CodeBlock.js b/packages/gitbook-plugin-highlight/src/CodeBlock.js
new file mode 100644
index 0000000..f55524f
--- /dev/null
+++ b/packages/gitbook-plugin-highlight/src/CodeBlock.js
@@ -0,0 +1,15 @@
+const GitBook = require('gitbook-core');
+const { React } = GitBook;
+
+const CodeBlock = React.createClass({
+    propTypes: {
+        children: React.PropTypes.children
+    },
+
+    render() {
+        const { children } = this.props;
+        return <span />;
+    }
+});
+
+module.exports = CodeBlock;
diff --git a/packages/gitbook-plugin-highlight/src/getLanguage.js b/packages/gitbook-plugin-highlight/src/getLanguage.js
new file mode 100644
index 0000000..47b68cf
--- /dev/null
+++ b/packages/gitbook-plugin-highlight/src/getLanguage.js
@@ -0,0 +1,30 @@
+const GitBook = require('gitbook-core');
+const { List } = GitBook.Immutable;
+
+/**
+ * Return language for a code blocks from a list of class names
+ *
+ * @param {Array<String>}
+ * @return {String}
+ */
+function getLanguage(classNames) {
+    return 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);
+        });
+}
+
+module.exports = getLanguage;
diff --git a/packages/gitbook-plugin-highlight/src/index.js b/packages/gitbook-plugin-highlight/src/index.js
new file mode 100644
index 0000000..3f17c42
--- /dev/null
+++ b/packages/gitbook-plugin-highlight/src/index.js
@@ -0,0 +1,9 @@
+const GitBook = require('gitbook-core');
+const CodeBlock = require('./CodeBlock');
+
+module.exports = GitBook.createPlugin({
+    activate: (dispatch, getState, { Components }) => {
+        dispatch(Components.registerComponent(CodeBlock, { role: 'html:code' }));
+    },
+    reduce: (state, action) => state
+});