Method resolveBuildFiles

packages/cli/src/util/dev/server.ts:986–988

* Create an array of from builder inputs * and filter them

(files: BuilderInputs)

   * and filter them
   */
  resolveBuildFiles(files: BuilderInputs) {
    return Object.keys(files).filter(this.filter);
  }

  start(...listenSpec: ListenSpec): Promise<void> {
    if (!this.startPromise) {