feat(ls): add rules for OpenAPI 2.0 Responses Definitions Object (#3661)

Refs #3617

Author: char0n

packages/apidom-ls/src/config/codes.ts

@@ -769,6 +769,9 @@ enum ApilintCodes {
   OPENAPI2_PARAMETERS_DEFINITIONS = 3150000,
   OPENAPI2_PARAMETERS_DEFINITIONS_VALUES_TYPE = 3150100,
 
+  OPENAPI2_RESPONSES_DEFINITIONS = 3160000,
+  OPENAPI2_RESPONSES_DEFINITIONS_VALUES_TYPE = 3160100,
+
   OPENAPI3_0 = 5000000,
 
   OPENAPI3_0_OPENAPI_VALUE_PATTERN_3_0_0 = 5000100,

packages/apidom-ls/src/config/openapi/config.ts

@@ -29,6 +29,7 @@ import pathsMeta from './paths/meta';
 import requestBodyMeta from './request-body/meta';
 import responseMeta from './response/meta';
 import responsesMeta from './responses/meta';
+import responsesDefinitionsMeta from './responses-definitions/meta';
 import securityRequirementMeta from './security-requirement/meta';
 import securitySchemeMeta from './security-scheme/meta';
 import serverMeta from './server/meta';
@@ -83,6 +84,7 @@ export default {
   requestBody: requestBodyMeta,
   response: responseMeta,
   responses: responsesMeta,
+  responsesDefinitions: responsesDefinitionsMeta,
   securityRequirement: securityRequirementMeta,
   securityScheme: securitySchemeMeta,
   server: serverMeta,

packages/apidom-ls/src/config/openapi/responses-definitions/documentation.ts

@@ -0,0 +1,10 @@
+import { OpenAPI2 } from '../target-specs';
+
+const documentation = [
+  {
+    docs: '#### [Responses Definitions Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/2.0.md#responsesDefinitionsObject)\n\nAn object to hold responses to be reused across operations. Response definitions can be referenced to the ones defined here.\n\nThis does *not* define global operation responses.\n\n##### Patterned Fields\n\nField Pattern | Type | Description\n---|:---:|---\n{name} | [Response Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/2.0.md#responseObject) | A single response definition, mapping a "name" to the response it defines.\n\n##### Responses Definitions Object Example\n\n```js\n{\n  "NotFound": {\n    "description": "Entity not found."\n  },\n  "IllegalInput": {\n  \t"description": "Illegal input for operation."\n  },\n  "GeneralError": {\n  \t"description": "General Error",\n  \t"schema": {\n  \t\t"$ref": "#/definitions/GeneralError"\n  \t}\n  }\n}\n```\n\n\n\\\nYAML\n```yaml\nNotFound:\n  description: Entity not found.\nIllegalInput:\n  description: Illegal input for operation.\nGeneralError:\n  description: General Error\n  schema:\n    $ref: \'#/definitions/GeneralError\'\n```',
+    targetSpecs: OpenAPI2,
+  },
+];
+
+export default documentation;

packages/apidom-ls/src/config/openapi/responses-definitions/lint/index.ts

@@ -0,0 +1,5 @@
+import valuesTypeLint from './values--type';
+
+const lints = [valuesTypeLint];
+
+export default lints;

packages/apidom-ls/src/config/openapi/responses-definitions/lint/values--type.ts

@@ -0,0 +1,19 @@
+import { DiagnosticSeverity } from 'vscode-languageserver-types';
+
+import ApilintCodes from '../../../codes';
+import { LinterMeta } from '../../../../apidom-language-types';
+import { OpenAPI2 } from '../../target-specs';
+
+const valuesTypeLint: LinterMeta = {
+  code: ApilintCodes.OPENAPI2_RESPONSES_DEFINITIONS_VALUES_TYPE,
+  source: 'apilint',
+  message: 'Responses Definitions Object values must be of Response Object shape',
+  severity: DiagnosticSeverity.Error,
+  linterFunction: 'apilintChildrenOfElementsOrClasses',
+  linterParams: [['response']],
+  marker: 'key',
+  data: {},
+  targetSpecs: OpenAPI2,
+};
+
+export default valuesTypeLint;

packages/apidom-ls/src/config/openapi/responses-definitions/meta.ts

@@ -0,0 +1,10 @@
+import lint from './lint';
+import documentation from './documentation';
+import { FormatMeta } from '../../../apidom-language-types';
+
+const meta: FormatMeta = {
+  lint,
+  documentation,
+};
+
+export default meta;