cfn-appsync-include

A simple command line utlity for including local files for AppSync in the Cloudformation/SAM-Template.

Supported Resources:

• AWS::AppSync::GraphQLSchema Definition
• AWS::AppSync::Resolver Request and response mapping template
• AWS::AppSync::Function Request and response mapping template

Installation

yarn add -D cfn-appsync-include

Usage

node node_modules/.bin/cfn-appsync-include

Option	Description	Default
--template-file	The cloudformation template to be used as input	template.yaml
--output-template-file	The file name of the output file.	template.out.yaml
--resolver-templates	Directory where the resolver template reside	templates
--debug	Sets the log level to debug	false
--quiet	Supresses all output	false

Example

Resources:
  # Looks schema.graphql in the working directory
  SchemaDefault:
    Type: AWS::AppSync::GraphQLSchema
    
  SchemaOverride:
    Type: AWS::AppSync::GraphQLSchema
    Properties:
      Definition: !File my.schema.graphql
  
  # Resolvers request and response mapping templates by expected defaults
  # RequestMappingTemplate: templates/Query.test.request.vtl
  # ResponseMappingTemplate: templates/Query.test.response.vtl
  ResolverWithDefaults:
    Type: AWS::AppSync::Resolver
    Properties:
      FieldName: test
      TypeName: Query

  # RequestMappingTemplate: include file content
  # ResponseMappingTemplate: use existing inline template
  ResolverWithFileOverride:
    Type: AWS::AppSync::Resolver
    Properties:
      FieldName: test2
      TypeName: Query
      RequestMappingTemplate: !File path/to/template.vtl
      ResponseMappingTemplate: |
        $util.toJson($ctx.result)