packages/@alicloud/ros-cdk-cxapi/lib/artifacts/tree-cloud-artifact.ts

import * as cxschema from "@alicloud/ros-cdk-assembly-schema";
import { CloudArtifact } from "../cloud-artifact";
import { CloudAssembly } from "../cloud-assembly";

export class TreeCloudArtifact extends CloudArtifact {
  public readonly file: string;

  constructor(
    assembly: CloudAssembly,
    name: string,
    artifact: cxschema.ArtifactManifest
  ) {
    super(assembly, name, artifact);

    const properties = (this.manifest.properties ||
      {}) as cxschema.TreeArtifactProperties;
    if (!properties.file) {
      throw new Error('Invalid TreeCloudArtifact. Missing "file" property');
    }
    this.file = properties.file;
  }
}