private _addFileAsset()

in src/index.ts [205:253]
42 lines of code
6 McCabe index (conditional complexity)

  private _addFileAsset(asset: FileAssetSource, overrideBucketname?: string): FileAssetLocation {
    assertNotNull(this.stack, ERR_MSG_CALL_BIND_FIRST);
    assertNotNull(this.bucketName, 'The bucketName is null');
    validateFileAssetSource(asset);

    const bucketName = overrideBucketname ?? this.bucketName;
    const objectKey = this.fileAssetPrefix + asset.sourceHash + (asset.packaging === FileAssetPackaging.ZIP_DIRECTORY ? '.zip' : '');
    const destinations: { [id: string]: cxschema.FileDestination } = {};

    if (this.fileAssetRegionSet?.length && bucketName.includes(REGION_PLACEHOLDER)) {
      for (const region of this.fileAssetRegionSet.map(r => r.trim())) {
        if (!region) { continue; }
        destinations[region] = {
          bucketName: replaceAll(bucketName, REGION_PLACEHOLDER, region),
          objectKey,
          region,
          assumeRoleArn: this.fileAssetPublishingRoleArn,
        };
      }
    } else {
      destinations[this.manifestEnvName] = {
        bucketName,
        objectKey,
        region: resolvedOr(this.stack.region, trim(head(this.fileAssetRegionSet))),
        assumeRoleArn: this.fileAssetPublishingRoleArn,
      };
    }

    // Add to manifest
    this.files[asset.sourceHash] = {
      source: {
        path: asset.fileName,
        packaging: asset.packaging,
      },
      destinations,
    };

    const { region, urlSuffix } = stackLocationOrInstrinsics(this.stack);
    const httpUrl = cfnify(`https://s3.${region}.${urlSuffix}/${bucketName}/${objectKey}`);
    const s3ObjectUrl = cfnify(`s3://${bucketName}/${objectKey}`);

    // Return CFN expression
    return {
      bucketName: cfnify(bucketName),
      objectKey,
      httpUrl,
      s3ObjectUrl,
    };
  }