Method build

packages/fresh/src/dev/builder.ts:255–283

* Build optimized assets for your app. By default this will create * a production build. * * This can also be used for testing to apply a snapshot to a particular * code App instance. * * @example Testing * ```ts * const builder = new Builder(); * const applySnapsho

(
    options?: {
      mode?: ResolvedBuildConfig["mode"];
      snapshot?: "disk" | "memory";
    },
  )

   * @returns Apply a snapshot to a particular {@linkcode App} instance.
   */
  async build(
    options?: {
      mode?: ResolvedBuildConfig["mode"];
      snapshot?: "disk" | "memory";
    },
  ): Promise<(app: App<State>) => void> {
    this.config.mode = options?.mode ?? "production";

    await this.#crawlFsItems();

    const buildCache = options?.snapshot === "memory"
      ? new MemoryBuildCache(
        this.config,
        this.#fsRoutes,
        this.#transformer,
      )
      : new DiskBuildCache(
        this.config,
        this.#fsRoutes,
        this.#transformer,
      );

    await this.#build(buildCache, this.config.mode === "development");
    await buildCache.prepare();

    return (app) => {
      setBuildCache(app, buildCache, app.config.mode);
    };
  }

  async #crawlFsItems() {
    const { islands, routes } = await crawlFsItem(