Merge pull request #3147 from hzoo/lint-fixes

lint whitespace , trailing comma

extractCode.js

@@ -5,33 +5,33 @@ var CODE_SAMPLE = /```[\S]+\s*[\s\S]*?```/g;
 var PARTS = /```[\S]+\s*\/\/\s+(.+?)\n([\s\S]*?)```/;
 
 function truncate(s, n) {
-    n = n || 256
-    if (s.length < n) {
-	return s;
-    }
-    return s.substring(0, n) + '...';
+  n = n || 256
+  if (s.length < n) {
+   return s;
+  }
+  return s.substring(0, n) + '...';
 }
 
 function main(dest, filenames) {
-    if (!dest) {
-	throw new Error('no dest provided');
-    }
-    filenames.map(function (filename) {
-	var content = fs.readFileSync(filename).toString('utf8');
-	var codeSamples = content.match(CODE_SAMPLE);
+  if (!dest) {
+    throw new Error('no dest provided');
+  }
+  filenames.map(function(filename) {
+    var content = fs.readFileSync(filename).toString('utf8');
+    var codeSamples = content.match(CODE_SAMPLE);
 
-	codeSamples.map(function (codeSample) {
-	    // Do a little jank preprocessing
-	    codeSample = codeSample.replace('<!--', '//').replace(' -->', '');
-	    var extracted = codeSample.match(PARTS);
-	    if (!extracted) {
-		throw new Error('Code sample did not match correct format in ' + filename + ': ' + truncate(codeSample));
-	    }
-	    var filename = extracted[1];
-	    var content = extracted[2].replace(/\*\*/g, '');
-	    fs.writeFileSync(argv.dest + '/' + filename, content);
-	});
+    codeSamples.map(function(codeSample) {
+      // Do a little jank preprocessing
+      codeSample = codeSample.replace('<!--', '//').replace(' -->', '');
+      var extracted = codeSample.match(PARTS);
+      if (!extracted) {
+        throw new Error('Code sample did not match correct format in ' + filename + ': ' + truncate(codeSample));
+      }
+      var filename = extracted[1];
+      var content = extracted[2].replace(/\*\*/g, '');
+      fs.writeFileSync(argv.dest + '/' + filename, content);
     });
+  });
 }
 
-main(argv.dest, argv._);
+main(argv.dest, argv._);