Common Service

Composer

• Load all data schemas
• Create schemas for all components
• Create input, output schemas for all operations
• Validate schemas
• Initialize validator

Router

• Auto-responds to OPTIONS / CORS requests
• Injects CORS headers into response
• Extacts operationId from URL
• Parses request URL parameters into query object
• Parses request body into mutation object
• Matches operation for request
• Executes operation
• Stringify non-string result
• Returns operation execution result

Operation

• Sets operation context based on request
• Normalizes parameters into query and mutation
• Normalizes header names to lowercase
• Authorizes request based on operation security
• Validates input using input schema
• Executes before action
• Executes action
• Executes after action
• Validates output using output schema
• Returns statusCode, headers and result to router