Method generate

examples/assets/src/index.ts:61–83

(prompt: string)

  // Generate an image from `prompt`, store it, and return a
  // shareable link.
  async generate(prompt: string): Promise<GenerateResult> {
    const image = await this.#runModel(prompt);

    // One file per request, named by a random id so repeated
    // prompts never collide on the VFS.
    const path = `/workspace/${crypto.randomUUID()}.png`;
    await this.#workspace.fs.mkdir("/workspace", { recursive: true });
    await this.#workspace.fs.writeFile(path, image);

    const assets = createAssets({
      ws: this.#workspace,
      bucket: this.env.ASSETS,
      s3: { bucket: this.env.ASSETS_BUCKET_NAME },
      env: this.env as unknown as Record<string, string | undefined>,
    });

    const url = await assets.share(path, {
      expiresAfter: LINK_TTL_MS,
      prefix: "generated",
    });

    return { path, url };
  }

  // Run the text-to-image model and return the decoded PNG bytes.
  // The model takes multipart form fields and returns the image as