sls-helper-plugin-janis

Serverless Helper Plugin JANIS

A plugin for JANIS Commerce to use with the Serverless Helper Framework.

Helpers

base

Used to implement a base service with minimal setup

Option	Type	Description	Attributes	Default value
serviceName	string	The service name	Required
servicePort	number	The service port	Required
apiSecrets	Object	A mapping of stages to Service API Secret		undefined

templates

Used to implement Lambda APIs requests and response templates as custom props

No options

authorizers

Used to implement APIs authorizers as custom props

No options

cors

Used to implement APIs CORS configuration as custom props

If options is undefined or set to true it will use the default CORS config for every property. You can also customize or override every property:

Option	Type	Description	Default value
replace	boolean	Indicates whether it should replace the CORS properties or merge then with the default	false
origins	array	An array of allowed origins	See below
headers	array	An array of allowed headers	See below
allowCredentials	boolean	Indicates whether the credentials header should be set	true
maxAge	number	The time in seconds thar CORS headers should be cached	600

CORS Default origins:

[
	'https://${self:custom.janisDomains.${self:custom.stage}}',
	'https://app.${self:custom.janisDomains.${self:custom.stage}}',
	'http://localhost:3001',
	'http://janis.localhost:3001',
	'http://app.janis.localhost:3001'
]

CORS Default headers:

[
	'content-type',
	'janis-api-key',
	'janis-api-secret',
	'janis-client',
	'x-api-key',
	'x-janis-page',
	'x-janis-page-size'
]

apiList, apiGet, apiPost and apiPut

Used to implement JANIS CRUD APIs.

Option	Type	Description	Attributes	Default value
entityName	string	The entity name	Required
handler	string	The lambda handler path and function		src/lambda/RestApi/index.handler
path	string	The API path		/[entity-name] (for apiList and apiPost) or /[entity-name]/{id} (for apiGet and apiPut)
caching	boolean	Set to true to enable cache		false
cors	boolean	Set to true to enable cors		false
queryParameters	object	A key value to map query string parameters to a boolean indicating if it's required or not
requestHeaders	object	A key value to map headers to a boolean indicating if it's required or not
authorizer	string	The name of the authorizer	Valid authorizers: FullAuthorizer, NoClientAuthorizer, LoggedAuthorizer, ApiKeyAuthorizer, UserAuthorizer, DevUserAuthorizer, ServiceAuthorizer, ServiceNoClientAuthorizer, ClientAuthorizer

eventListener

Used to implement JANIS Events listeners

Option	Type	Description	Attributes	Default value
entityName	string	The entity name	Required
eventName	string	The event name	Required
mustHaveClient	boolean	Indicates if authorizer must validate that client or not		false
listenersDirName	string	Indicates the path where the event listener files are placed		'event-listeners'

Examples

Basic Service with one CRUD operation set and an event listener

// serverless.js

'use strict';

const { helper } = require('sls-helper'); // eslint-disable-line

module.exports = helper({
	hooks: [

		['janis.base', {
			serviceName: 'Catalog',
			servicePort: 5000,
			apiSecrets: {
				beta: 'foo',
				qa: 'bar',
				prod: 'baz'
			}
		}],

		'janis.templates',

		'janis.authorizers',

		'janis.cors',

		['janis.apiList', {
			entityName: 'product',
			authorizer: 'FullAuthorizer',
			cors: true
		}],

		['janis.apiGet', {
			entityName: 'product',
			authorizer: 'FullAuthorizer',
			cors: true
		}]

		['janis.apiPost', {
			entityName: 'product',
			authorizer: 'FullAuthorizer',
			cors: true
		}],

		['janis.apiPut', {
			entityName: 'product',
			authorizer: 'FullAuthorizer',
			cors: true
		}],

		['janis.eventListener', {
			entityName: 'product',
			eventName: 'created',
			mustHaveClient: true
		}]

	]
}, {});

Changelog

[1.2.0] - 2019-12-26

Added

• apiSecrets configuration in base hook
• Sample service example in README

Fixed

• base documentation updated with required fields