Should strip out links and html on headings

cli.js

@@ -37,7 +37,7 @@ if (args._.length !== 1) {
     '',
     '  --no-stripHeadingTags: Do not strip extraneous HTML tags from heading',
     '                         text before slugifying',
-    '',  
+    '',
     '  --indent:     Provide the indentation to use - defaults to \'  \'',
     '                (to specify a tab, use the bash-escaped $\'\\t\')'
   ].join('\n'));
@@ -74,5 +74,5 @@ input.on('error', function onErr(err) {
 
 function output(parsed) {
   if (args.json) return console.log(JSON.stringify(parsed.json, null, '  '));
-  process.stdout.write(parsed.content);
+  process.stdout.write(parsed.content+'\n');
 }

index.js

@@ -187,6 +187,9 @@ function linkify(tok, options) {
     opts.num = tok.seen;
     var text = titleize(tok.content, opts);
     var slug = utils.slugify(tok.content, opts);
+
+    var slug = clearToken(slug, '#');
+    var text = stripMarkdownLink(text);
     slug = querystring.escape(slug);
     if (opts && typeof opts.linkify === 'function') {
       return opts.linkify(tok, text, slug, opts);
@@ -196,6 +199,42 @@ function linkify(tok, options) {
   return tok;
 }
 
+/**
+ * Removes a given token from the string returning the new value.
+ *
+ * @param  {String} token
+ * @param  {String} delimiter
+ * @return {String} cleaned token
+ */
+
+function clearToken(token, delimiter) {
+  var new_token
+  if(token.indexOf(delimiter) != -1) {
+    new_token = token.substring(0, token.lastIndexOf(delimiter)).trim();
+  }
+  else {
+    new_token = token
+  }
+  // console.log('Before: ' + token)
+  // console.log('After : ' + new_token)
+  return new_token
+}
+
+/**
+ * Regex match markdown link
+ * https://stackoverflow.com/questions/37462126/regex-match-markdown-link
+ *
+ * @param  {String} text
+ * @return {String} stripped text
+ */
+function stripMarkdownLink(text) {
+  // var str = String(text).replace(/__|\*|\#|(?:\[([^\]]*)\]\([^)]*\))/gm, '$1').trim();
+  var str = String(text).replace(/__|\*|\#|(?:\[([^\]]*)\]\([^)]*\))/gm, '').trim();
+  // console.log('Before: ' + text)
+  // console.log('After : ' + str)
+  return str;
+}
+
 /**
  * Titleize the title part of a markdown link.
  *

test/test.js

@@ -128,6 +128,7 @@ describe('options: custom functions:', function() {
         return str.indexOf('...') === -1;
       }
     });
+    // console.log('actual.content: \n' + actual.content)
     assert.equal(actual.content, [
       '- [AAA](#aaa)',
       '  * [a.1](#a1)',
@@ -343,6 +344,11 @@ describe('toc', function() {
       '- [ddd](#fez-ddd)'
     ].join('\n'));
   });
+
+  it('should strip out links and html on headings', function() {
+    assert.equal(toc('## Title <sub>[Go](#ite)</sub>').content, '- [Title](#title-go)');
+    assert.equal(toc('## Title <sub>[Go]</sub>').content, '- [Title [Go]](#title-go)');
+  });
 });
 
 describe('toc tokens', function() {