async generateLayerARN()

in index.js [93:131]
38 lines of code
10 McCabe index (conditional complexity)

  async generateLayerARN(version, architecture) {
    const region = this.provider.getRegion();
    if (version) {
      try {
        let layerVersionInfo;
        if (architecture === 'arm64' || this.provider.architecture === 'arm64') {
          layerVersionInfo = await this.provider.request('Lambda', 'getLayerVersionByArn', {
            Arn: `arn:aws:lambda:${region}:580247275435:layer:LambdaInsightsExtension-Arm64:${version}`,
          });
        } else {
          layerVersionInfo = await this.provider.request('Lambda', 'getLayerVersionByArn', {
            Arn: `arn:aws:lambda:${region}:580247275435:layer:LambdaInsightsExtension:${version}`,
          });
        }
        return layerVersionInfo.LayerVersionArn;
      } catch (err) {
        if (err.code==='AccessDeniedException') {
          throw new Error(
              `LambdaInsights layer version '${version}' ` +
            `does not exist within your region '${region}'.`);
        } else {
          throw err;
        }
      }
    }

    let arn;
    if (architecture === 'arm64' || this.provider.architecture === 'arm64') {
      arn = layerVersionsArm64[region];
    } else {
      arn = layerVersions[region];
    }
    if (!arn) {
      throw new Error(
          `Unknown latest version for region '${region}'. ` +
          `Check the Lambda Insights documentation to get the list of currently supported versions.`);
    }
    return arn;
  };