Mock Service Worker Handler

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/mock-service-worker/main/json-schema/mock-service-worker-handler-schema.json",
  "title": "Mock Service Worker Handler",
  "description": "Schema describing a Mock Service Worker (MSW) request handler definition. Captures the protocol, matching pattern, and mocked response so handler definitions can be portable across MSW environments.",
  "type": "object",
  "required": ["protocol"],
  "oneOf": [
    {
      "title": "REST handler",
      "properties": {
        "protocol": { "const": "http" },
        "method": {
          "type": "string",
          "enum": ["GET", "POST", "PUT", "PATCH", "DELETE", "HEAD", "OPTIONS", "ALL"]
        },
        "path": {
          "type": "string",
          "description": "URL pattern, supports path parameters via :param syntax."
        },
        "response": { "$ref": "#/$defs/response" }
      },
      "required": ["protocol", "method", "path"]
    },
    {
      "title": "GraphQL handler",
      "properties": {
        "protocol": { "const": "graphql" },
        "operationKind": { "type": "string", "enum": ["query", "mutation", "subscription", "operation"] },
        "operationName": { "type": "string" },
        "endpoint": { "type": "string", "format": "uri" },
        "response": { "$ref": "#/$defs/response" }
      },
      "required": ["protocol", "operationKind"]
    },
    {
      "title": "WebSocket handler",
      "properties": {
        "protocol": { "const": "ws" },
        "url": { "type": "string", "format": "uri" }
      },
      "required": ["protocol", "url"]
    },
    {
      "title": "Server-Sent Events handler",
      "properties": {
        "protocol": { "const": "sse" },
        "url": { "type": "string", "format": "uri" }
      },
      "required": ["protocol", "url"]
    }
  ],
  "$defs": {
    "response": {
      "type": "object",
      "properties": {
        "status": { "type": "integer", "minimum": 100, "maximum": 599 },
        "headers": {
          "type": "object",
          "additionalProperties": { "type": "string" }
        },
        "body": {},
        "delayMs": { "type": "integer", "minimum": 0 }
      }
    }
  }
}