lint cleanup

src/RemoteFile.js

@@ -116,7 +116,7 @@ class RemoteFile {
 
       // Record the full file length if it's available.
       var size = this._getLengthFromContentRange(xhr);
-      if (size != null) {
+      if (size !== null && size !== undefined) {
         if (this.fileLength != -1 && this.fileLength != size) {
           console.warn(`Size of remote file ${this.url} changed from ` +
                        `${this.fileLength} to ${size}`);

src/bam.js

@@ -71,7 +71,7 @@ function readAlignmentsToEnd(buffer: ArrayBuffer) {
   return {
     alignments,
     lastByteRead: lastStartOffset - 1
-  }
+  };
 }
 
 // Given an offset in a concatenated buffer, determine the offset it
@@ -94,13 +94,13 @@ function splitOffset(buffers: ArrayBuffer[], chunk: Chunk, lastByteRead: number)
 // Fetch alignments from the remote source at the locations specified by Chunks.
 // This can potentially result in many network requests.
 // The returned promise is fulfilled once it can be proved that no more
-// alignments need to be fetch.
+// alignments need to be fetched.
 function fetchAlignments(remoteFile: RemoteFile,
                          idxRange: ContigInterval<number>,
                          contained: boolean,
                          chunks: Chunk[],
                          alignments: Object[]): Q.Promise<Object[]> {
-  if (chunks.length == 0) {
+  if (chunks.length === 0) {
     return Q.when(alignments);
   }
 

test/bam-test.js

@@ -6,8 +6,7 @@ var expect = chai.expect;
 
 var Bam = require('../src/bam'),
     ContigInterval = require('../src/ContigInterval'),
-    RemoteFile = require('../src/RemoteFile'),
-    VirtualOffset = require('../src/VirtualOffset');
+    RemoteFile = require('../src/RemoteFile');
 
 describe('BAM', function() {
   it('should parse BAM files', function(done) {