scripts/release/index.js
function bumpLevel(level) {
  return gulp.src(config.pkg)
      .pipe(bump({type: level}))
      .on('error', (e) => log.error(e))
      .pipe(gulp.dest(config.root));
}
function bumpLevel(level) {
  return gulp.src(config.pkg)
      .pipe(bump({type: level}))
      .on('error', (e) => log.error(e))
      .pipe(gulp.dest(config.root));
}
function bumpLevel ( level ) { return gulp . src ( config . pkg ) . pipe ( bump ( { type : level } ) ) . on ( 'error' , ( e ) => log . error ( e ) ) . pipe ( gulp . dest ( config . root ) ) ; }
Update version in number in `package.json` file.

@param {string} level The semver level identifier (`major`, `minor` or `patch`).
@return {WritableStream} The stream pipeline.
Update version in number in package . json file .