private async deployRevision()

in src/tasks/CodeDeployDeployApplication/TaskOperations.ts [190:245]
49 lines of code
6 McCabe index (conditional complexity)

    private async deployRevision(bundleKey: string): Promise<string> {
        console.log(tl.loc('DeployingRevision'))

        // use bundle key as taskParameters.revisionBundle might be pointing at a folder
        let archiveType: string = path.extname(bundleKey)
        if (archiveType && archiveType.length > 1) {
            // let the service error out if the type is not one they currently support
            archiveType = archiveType.substring(1).toLowerCase()
            tl.debug(`Setting archive type to ${archiveType} based on bundle file extension`)
        } else {
            tl.debug('Unable to determine archive type, assuming zip')
            archiveType = 'zip'
        }

        try {
            const request: CodeDeploy.CreateDeploymentInput = {
                applicationName: this.taskParameters.applicationName,
                deploymentGroupName: this.taskParameters.deploymentGroupName,
                fileExistsBehavior: this.taskParameters.fileExistsBehavior,
                ignoreApplicationStopFailures: this.taskParameters.ignoreApplicationStopFailures,
                updateOutdatedInstancesOnly: this.taskParameters.updateOutdatedInstancesOnly,
                revision: {
                    revisionType: 'S3',
                    s3Location: {
                        bucket: this.taskParameters.bucketName,
                        key: bundleKey,
                        bundleType: archiveType
                    }
                }
            }

            if (this.taskParameters.description) {
                request.description = this.taskParameters.description
            }
            const response: CodeDeploy.CreateDeploymentOutput = await this.codeDeployClient
                .createDeployment(request)
                .promise()
            console.log(
                tl.loc(
                    'DeploymentStarted',
                    this.taskParameters.deploymentGroupName,
                    this.taskParameters.applicationName,
                    response.deploymentId
                )
            )

            if (!response.deploymentId) {
                return ''
            }

            return response.deploymentId
        } catch (err) {
            console.error(tl.loc('DeploymentError', (err as Error).message), err)
            throw err
        }
    }