sls-helper-plugin-janis/lib/function-url/base.js

A Serverless Helper plugin to add custom helpers for Janis Commerce

'use strict';

const { getCloudFrontDistribution } = require('./distribution');
const { getFormattedRecordSet } = require('./route-53');

const getUniqueFunctions = ({ functions: hookFunctions, rawSubdomainName }) => {

	return hookFunctions.reduce((uniqueFunctions, functionData, index) => {

		if(!functionData.functionName)
			throw new Error(`Missing function name for ${rawSubdomainName}.functions[${index}]`);

		if(!functionData.path)
			throw new Error(`Missing path for ${rawSubdomainName}.${functionData.functionName} function`);

		uniqueFunctions[functionData.functionName] = functionData;

		return uniqueFunctions;
	}, {});
};

module.exports.formatResources = (resources, hookParams) => {

	if(!hookParams.subdomainName)
		throw new Error('Missing subdomainName in function url definition');

	if(!hookParams.acmCertificate)
		throw new Error(`Missing acmCertificate for ${hookParams.rawSubdomainName} subdomain`);

	hookParams.functions = getUniqueFunctions(hookParams);

	const { name: distributionName, distribution } = getCloudFrontDistribution(resources, hookParams);

	const { name: recordSetName, recordSetConfig } = getFormattedRecordSet(resources, hookParams);

	const currentResources = (resources && resources.Resources) || {};

	if(Array.isArray(currentResources)) {

		const distributionIndex = currentResources.findIndex(resource => !!resource[distributionName]);

		if(distributionIndex >= 0)
			currentResources[distributionIndex][distributionName] = distribution;

		return [
			...currentResources,
			...recordSetConfig ? [{ [recordSetName]: recordSetConfig }] : [],
			...(distributionIndex < 0) ? [{ [distributionName]: distribution }] : []
		];
	}

	return {
		...currentResources,
		...recordSetConfig && { [recordSetName]: recordSetConfig },
		[distributionName]: distribution
	};
};

module.exports.hostedZone = '${self:custom.customDomain.lambdaUrlDomainName, self:custom.customDomain.domainName}';