lambda-live-debugger/dist/cloudFormation.mjs

Debug Lambda functions locally like it is running in the cloud

import { AwsCredentials } from './awsCredentials.mjs';
let cloudFormationClient;
/**
 * Get CloudFormation stack template
 * @param stackName
 * @param awsConfiguration
 * @returns
 */
async function getCloudFormationStackTemplate(stackName, awsConfiguration) {
    const { GetTemplateCommand } = await import('@aws-sdk/client-cloudformation');
    const command = new GetTemplateCommand({ StackName: stackName });
    const cloudFormationClient = await getCloudFormationClient(awsConfiguration);
    try {
        const response = await cloudFormationClient.send(command);
        if (!response.TemplateBody) {
            throw new Error(`No template found for stack ${stackName}`);
        }
        const cfTemplate = JSON.parse(response.TemplateBody);
        return cfTemplate;
    }
    catch (error) {
        if (error.name === 'ValidationError') {
            throw new Error(`Stack ${stackName} not found. Try specifying a region. Error: ${error.message}`, { cause: error });
        }
        else {
            throw error;
        }
    }
}
/**
 * Get CloudFormation client
 * @param awsConfiguration
 * @returns
 */
async function getCloudFormationClient(awsConfiguration) {
    if (!cloudFormationClient) {
        const { CloudFormationClient } = await import('@aws-sdk/client-cloudformation');
        cloudFormationClient = new CloudFormationClient({
            region: awsConfiguration.region,
            credentials: AwsCredentials.getCredentialsProvider(awsConfiguration),
        });
    }
    return cloudFormationClient;
}
/**
 * Get CloudFormation resources
 * @param stackName
 * @param awsConfiguration
 * @returns
 */
async function getCloudFormationResources(stackName, awsConfiguration) {
    const { ListStackResourcesCommand } = await import('@aws-sdk/client-cloudformation');
    const command = new ListStackResourcesCommand({
        StackName: stackName,
    });
    const cloudFormationClient = await getCloudFormationClient(awsConfiguration);
    try {
        const response = await cloudFormationClient.send(command);
        return response;
    }
    catch (error) {
        if (error.name === 'ValidationError') {
            throw new Error(`Stack ${stackName} not found. Try specifying a region. Error: ${error.message}`, { cause: error });
        }
        else {
            throw error;
        }
    }
}
/**
 * Get Lambdas in stack
 * @param stackName
 * @param awsConfiguration
 * @returns
 */
async function getLambdasInStack(stackName, awsConfiguration) {
    const response = await getCloudFormationResources(stackName, awsConfiguration);
    const lambdaResources = response.StackResourceSummaries?.filter((resource) => resource.ResourceType === 'AWS::Lambda::Function');
    return (lambdaResources?.map((resource) => {
        return {
            lambdaName: resource.PhysicalResourceId,
            logicalId: resource.LogicalResourceId,
        };
    }) ?? []);
}
export const CloudFormation = {
    getCloudFormationStackTemplate,
    getLambdasInStack,
};