message: Adding back depcheck ignoreMatches setting for '@types/*' because necessary.
diff: @@ -55,7 +55,12 @@ gulp.task('tslint', function() {
  });
  gulp.task('depcheck', function() {
  - return depcheck(__dirname, {}).then((result) => {
  + return depcheck(__dirname, {
  + // "@types/*" dependencies are type declarations that are automatically
  + // loaded by TypeScript during build. depcheck can't detect this so we
  + // ignore them here.
  + ignoreMatches: ['@types/*']
  + }).then((result) => {
  let invalidFiles = Object.keys(result.invalidFiles) || [];
  let invalidJsFiles = invalidFiles.filter((f) => f.endsWith('.js'));
  if (invalidJsFiles.length > 0) {
  