Skip script tags that don't include JS code

lib/processor.js

@@ -7,6 +7,7 @@ const reindent = require('./reindent');
 
 const sourceToLineMap = new Map();
 const snippetRegexp = /(<script[\s\S]*?>)([\s\S]*?)<\/\s*?script>/g;
+const typeAttrRegexp = /type=['"](.*)['"]/;
 
 function preprocess(code, filepath) {
   const sourceMap = new Map();
@@ -18,6 +19,12 @@ function preprocess(code, filepath) {
 
     let currentExtractedCodeLine = 0;
     const openingTag = match.subMatches[0];
+    const typeAttrMatch = openingTag.match(typeAttrRegexp);
+
+    if (typeAttrMatch && typeAttrMatch[1] !== 'text/javascript') {
+      return [];
+    }
+
     const reindentData = reindent(match.subMatches[1]);
 
     chunkMap.set('indentColumns', reindentData.indentColumns);

test/fixtures/html.html

@@ -16,5 +16,27 @@
     var b = "b"</script>
 
   <script></script>
+
+  <script type="text/javascript">
+    var a = 'b';
+      var b = "b";
+  </script>
+
+  <script type='text/javascript'>
+    var a = 'b';
+      var b = "b";
+  </script>
+
+  <script type="application/ld+json">
+    {
+      "@context": "https://schema.org/"
+    }
+  </script>
+
+  <script type='application/ld+json'>
+    {
+      "@context": "https://schema.org/",
+    }
+  </script>
 </body>
 </html>

test/test.js

@@ -50,6 +50,23 @@ test('html', async (assert) => {
   assert.deepEqual(messages[3].line, 16);
   assert.deepEqual(messages[3].column, 13);
 
+  assert.deepEqual(messages[4].ruleId, 'indent');
+  assert.deepEqual(messages[4].line, 22);
+  assert.deepEqual(messages[4].column, 5);
+  assert.deepEqual(messages[5].ruleId, 'quotes');
+  assert.deepEqual(messages[5].line, 22);
+  assert.deepEqual(messages[5].column, 15);
+
+  assert.deepEqual(messages[6].ruleId, 'indent');
+  assert.deepEqual(messages[6].line, 27);
+  assert.deepEqual(messages[6].column, 5);
+  assert.deepEqual(messages[7].ruleId, 'quotes');
+  assert.deepEqual(messages[7].line, 27);
+  assert.deepEqual(messages[7].column, 15);
+
+  // Assert that is does not report errors for ld+json scripts
+  assert.deepEqual(messages.length, 8);
+
   assert.end();
 });