feat(codeblock): add 'wrap' option

lib/plugins/tag/code.js

@@ -13,14 +13,25 @@ const rLineNumber = /\s*line_number:(\w+)/i;
 const rHighlight = /\s*highlight:(\w+)/i;
 const rFirstLine = /\s*first_line:(\d+)/i;
 const rMark = /\s*mark:([0-9,-]+)/i;
+const rWrap = /\s*wrap:(\w+)/i;
 
 /**
  * Code block tag
- *
  * Syntax:
- *   {% codeblock [title] [lang:language] [url] [link text] [line_number:(true|false)] [highlight:(true|false)] [first_line:number] [mark:#,#-#] %}
- *   code snippet
- *   {% endcodeblock %}
+ * {% codeblock [options] %}
+ * code snippet
+ * {% endcodeblock %}
+ * @param {String} title Caption text
+ * @param {Object} lang Specify language
+ * @param {String} url Source link
+ * @param {String} link_text Text of the link
+ * @param {Object} line_number Show line number, value must be a boolean
+ * @param {Object} highlight Enable code highlighting, value must be a boolean
+ * @param {Object} first_line Specify the first line number, value must be a number
+ * @param {Object} mark Line highlight specific line(s), each value separated by a comma. Specify number range using a dash
+ * Example: `mark:1,4-7,10` will mark line 1, 4 to 7 and 10.
+ * @param {Object} wrap Wrap the code block in <table>, value must be a boolean
+ * @returns {String} Code snippet with code highlighting
  */
 
 function getHighlightOptions(config, arg) {
@@ -49,6 +60,14 @@ function getHighlightOptions(config, arg) {
     });
   }
 
+  let wrap = config.wrap;
+  if (rWrap.test(arg)) {
+    arg = arg.replace(rWrap, (match, _wrap) => {
+      wrap = _wrap === 'true';
+      return '';
+    });
+  }
+
   let mark = [];
   if (rMark.test(arg)) {
     arg = arg.replace(rMark, (match, _mark) => {
@@ -97,7 +116,8 @@ function getHighlightOptions(config, arg) {
     hljs: config.hljs,
     mark,
     tab: config.tab_replace,
-    autoDetect: config.auto_detect
+    autoDetect: config.auto_detect,
+    wrap
   };
 }
 

test/scripts/tags/code.js

@@ -136,4 +136,15 @@ describe('code', () => {
     const $ = cheerio.load(result);
     $('.gutter .line').length.should.eql(3);
   });
+
+  it('wrap', () => {
+    let result = code('wrap:false', fixture);
+    result.should.eql(highlight(fixture, {
+      wrap: false
+    }));
+    result = code('wrap:true', fixture);
+    result.should.eql(highlight(fixture, {
+      wrap: true
+    }));
+  });
 });