message: Exclude cli->polymer-build from depcheck
diff: @@ -75,8 +75,12 @@ gulp.task('depcheck', ['build'], () => {
  // automatically
  // loaded by TypeScript during build. depcheck can't detect this
  // so we ignore them here. Same with babel plugins.
  - ignoreMatches:
  - ['@types/*', 'vinyl', 'babel-plugin-external-helpers']
  + ignoreMatches: [
  + '@types/*',
  + 'vinyl',
  + 'babel-plugin-external-helpers',
  + 'polymer-bundler',
  + ],
  })
  .then((result) => {
  let invalidFiles = Object.keys(result.invalidFiles) || [];
  