fix(core): update

ts/parcel.classes.parcel.ts

@@ -25,6 +25,9 @@ export class Parcel {
   public options: plugins.parcel.ParcelOptions;
   public entryFiles: string | string[] = plugins.path.join(process.cwd(), './html/index.html');
 
+  /**
+   * builds and serves
+   */
   public async start() {
     const bundler = new plugins.parcel(this.entryFiles, this.options);
 
@@ -33,6 +36,17 @@ export class Parcel {
     const bundle = await bundler.serve(3002);
   }
 
+  /**
+   * just builds
+   */
+  public async build() {
+    const bundler = new plugins.parcel(this.entryFiles, this.options);
+
+    // Run the bundler, this returns the main bundle
+    // Use the events if you're using watch mode as this promise will only trigger once and not for every rebuild
+    const bundle = await bundler.bundle();
+  }
+
   constructor(fromArg: string | string[], outputDirArg: string, outputFileArg: string) {
     this.entryFiles = fromArg;
     this.options = {