feat(ls): add rules for OpenAPI 2.0 Response Object

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

@@ -753,6 +753,13 @@ enum ApilintCodes {
   OPENAPI2_ITEMS_FIELD_ENUM_TYPE = 3111200,
   OPENAPI2_ITEMS_FIELD_MULTIPLE_OF_TYPE = 3111300,
 
+  OPENAPI2_RESPONSE = 3120000,
+  OPENAPI2_RESPONSE_FIELD_DESCRIPTION_TYPE = 3120100,
+  OPENAPI2_RESPONSE_FIELD_DESCRIPTION_REQUIRED,
+  OPENAPI2_RESPONSE_FIELD_SCHEMA_TYPE = 3120200,
+  OPENAPI2_RESPONSE_FIELD_HEADERS_TYPE = 3120300,
+  OPENAPI2_RESPONSE_FIELD_EXAMPLES_TYPE = 3120400,
+
   OPENAPI3_0 = 5000000,
 
   OPENAPI3_0_OPENAPI_VALUE_PATTERN_3_0_0 = 5000100,

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

@@ -3,7 +3,7 @@ import {
   CompletionFormat,
   CompletionType,
 } from '../../../apidom-language-types';
-import { OpenAPI30, OpenAPI31, OpenAPI3 } from '../target-specs';
+import { OpenAPI2, OpenAPI30, OpenAPI31, OpenAPI3 } from '../target-specs';
 
 const completion: ApidomCompletionItem[] = [
   {
@@ -17,7 +17,21 @@ const completion: ApidomCompletionItem[] = [
       kind: 'markdown',
       value: 'A reference to a Response.',
     },
-    targetSpecs: OpenAPI3,
+    targetSpecs: [...OpenAPI2, ...OpenAPI3],
+  },
+  {
+    label: 'description',
+    insertText: 'description',
+    kind: 14,
+    format: CompletionFormat.QUOTED,
+    type: CompletionType.PROPERTY,
+    insertTextFormat: 2,
+    documentation: {
+      kind: 'markdown',
+      value:
+        '**Required.** A short description of the response. [GFM syntax](https://guides.github.com/features/mastering-markdown/#GitHub-flavored-markdown) can be used for rich text representation.',
+    },
+    targetSpecs: OpenAPI2,
   },
   {
     label: 'description',
@@ -33,6 +47,34 @@ const completion: ApidomCompletionItem[] = [
     },
     targetSpecs: OpenAPI3,
   },
+  {
+    label: 'schema',
+    insertText: 'schema',
+    kind: 14,
+    format: CompletionFormat.OBJECT,
+    type: CompletionType.PROPERTY,
+    insertTextFormat: 2,
+    documentation: {
+      kind: 'markdown',
+      value:
+        '[Schema Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/2.0.md#schemaObject)\n\\\n\\\nA definition of the response structure. It can be a primitive, an array or an object. If this field does not exist, it means no content is returned as part of the response. As an extension to the [Schema Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/2.0.md#schemaObject), its root `type` value may also be `"file"`. This SHOULD be accompanied by a relevant `produces` mime-type.',
+    },
+    targetSpecs: OpenAPI2,
+  },
+  {
+    label: 'headers',
+    insertText: 'headers',
+    kind: 14,
+    format: CompletionFormat.OBJECT,
+    type: CompletionType.PROPERTY,
+    insertTextFormat: 2,
+    documentation: {
+      kind: 'markdown',
+      value:
+        '[Headers Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/2.0.md#headersObject)\n\\\n\\\nA list of headers that are sent with the response.',
+    },
+    targetSpecs: OpenAPI2,
+  },
   {
     label: 'headers',
     insertText: 'headers',
@@ -61,6 +103,20 @@ const completion: ApidomCompletionItem[] = [
     },
     targetSpecs: OpenAPI31,
   },
+  {
+    label: 'examples',
+    insertText: 'examples',
+    kind: 14,
+    format: CompletionFormat.OBJECT,
+    type: CompletionType.PROPERTY,
+    insertTextFormat: 2,
+    documentation: {
+      kind: 'markdown',
+      value:
+        '[Example Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/2.0.md#exampleObject)\n\\\n\\\nAn example of the response message.',
+    },
+    targetSpecs: OpenAPI2,
+  },
   {
     label: 'content',
     insertText: 'content',

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

@@ -1,11 +1,26 @@
-import { OpenAPI30, OpenAPI31, OpenAPI3 } from '../target-specs';
+import { OpenAPI2, OpenAPI30, OpenAPI31, OpenAPI3 } from '../target-specs';
 
 const documentation = [
   {
     target: 'description',
     docs: '**REQUIRED**. A description of the response. [CommonMark syntax](https://spec.commonmark.org/) MAY be used for rich text representation.',
     targetSpecs: OpenAPI3,
   },
+  {
+    target: 'description',
+    docs: '**Required.** A short description of the response. [GFM syntax](https://guides.github.com/features/mastering-markdown/#GitHub-flavored-markdown) can be used for rich text representation.',
+    targetSpecs: OpenAPI2,
+  },
+  {
+    target: 'schema',
+    docs: '[Schema Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/2.0.md#schemaObject)\n\\\n\\\nA definition of the response structure. It can be a primitive, an array or an object. If this field does not exist, it means no content is returned as part of the response. As an extension to the [Schema Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/2.0.md#schemaObject), its root `type` value may also be `"file"`. This SHOULD be accompanied by a relevant `produces` mime-type.',
+    targetSpecs: OpenAPI2,
+  },
+  {
+    target: 'headers',
+    docs: '[Headers Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/2.0.md#headersObject)\n\\\n\\\nA list of headers that are sent with the response.',
+    targetSpecs: OpenAPI2,
+  },
   {
     target: 'headers',
     docs: 'Map[`string`, [Header Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.0.3.md#headerObject) | [Reference Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.0.3.md#referenceObject)]\n\\\n\\\nMaps a header name to its definition. [RFC7230](https://tools.ietf.org/html/rfc7230#page-22) states header names are case insensitive. If a response header is defined with the name `"Content-Type"`, it SHALL be ignored.',
@@ -16,6 +31,11 @@ const documentation = [
     docs: 'Map[`string`, [Header Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.1.0.md#headerObject) | [Reference Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.1.0.md#referenceObject)]\n\\\n\\\nMaps a header name to its definition. [RFC7230](https://tools.ietf.org/html/rfc7230#page-22) states header names are case insensitive. If a response header is defined with the name `"Content-Type"`, it SHALL be ignored.',
     targetSpecs: OpenAPI31,
   },
+  {
+    target: 'examples',
+    docs: '[Example Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/2.0.md#exampleObject)\n\\\n\\\nAn example of the response message.',
+    targetSpecs: OpenAPI2,
+  },
   {
     target: 'content',
     docs: 'Map[`string`, [Media Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.0.3.md#mediaTypeObject)]\n\\\n\\\nA map containing descriptions of potential response payloads. The key is a media type or [media type range](https://tools.ietf.org/html/rfc7231#appendix-D) and the value describes it. For responses that match multiple keys, only the most specific key is applicable. e.g. text/plain overrides text/*',
@@ -36,6 +56,10 @@ const documentation = [
     docs: 'Map[`string`, [Link Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.1.0.md#linkObject) | [Reference Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.1.0.md#referenceObject)]\n\\\n\\\nA map of operations links that can be followed from the response. The key of the map is a short name for the link, following the naming constraints of the names for [Component Objects](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.1.0.md#componentsObject).',
     targetSpecs: OpenAPI31,
   },
+  {
+    docs: '#### [Response Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/2.0.md#response-object)\n\nDescribes a single response from an API Operation.\n\n##### Fixed Fields\nField Name | Type | Description\n---|:---:|---\ndescription | `string` | **Required.** A short description of the response. [GFM syntax](https://guides.github.com/features/mastering-markdown/#GitHub-flavored-markdown) can be used for rich text representation.\nschema | [Schema Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/2.0.md#schemaObject) | A definition of the response structure. It can be a primitive, an array or an object. If this field does not exist, it means no content is returned as part of the response. As an extension to the [Schema Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/2.0.md#schemaObject), its root `type` value may also be `"file"`. This SHOULD be accompanied by a relevant `produces` mime-type.\nheaders | [Headers Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/2.0.md#headersObject) | A list of headers that are sent with the response.\nexamples | [Example Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/2.0.md#exampleObject) | An example of the response message.\n\n##### Patterned Objects\n\nField Pattern | Type | Description\n---|:---:|---\n^x- | Any | Allows extensions to the Swagger Schema. The field name MUST begin with `x-`, for example, `x-internal-id`. The value can be `null`, a primitive, an array or an object. See [Vendor Extensions](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/2.0.md#vendorExtensions) for further details.\n\n##### Response Object Examples\n\nResponse of an array of a complex type:\n\n```js\n{\n  "description": "A complex object array response",\n  "schema": {\n    "type": "array",\n    "items": {\n      "$ref": "#/definitions/VeryComplexType"\n    }\n  }\n}\n```\n\n\n\\\nYAML\n```yaml\ndescription: A complex object array response\nschema:\n  type: array\n  items:\n    $ref: \'#/definitions/VeryComplexType\'\n```\n\nResponse with a string type:\n\n```js\n{\n  "description": "A simple string response",\n  "schema": {\n    "type": "string"\n  }\n}\n```\n\n```yaml\ndescription: A simple string response\nschema:\n  type: string\n```\n\nResponse with headers:\n\n```js\n{\n  "description": "A simple string response",\n  "schema": {\n    "type": "string"\n  },\n  "headers": {\n    "X-Rate-Limit-Limit": {\n      "description": "The number of allowed requests in the current period",\n      "type": "integer"\n    },\n    "X-Rate-Limit-Remaining": {\n      "description": "The number of remaining requests in the current period",\n      "type": "integer"\n    },\n    "X-Rate-Limit-Reset": {\n      "description": "The number of seconds left in the current period",\n      "type": "integer"\n    }\n  }\n}\n```\n\n```yaml\ndescription: A simple string response\nschema:\n  type: string\nheaders:\n  X-Rate-Limit-Limit:\n    description: The number of allowed requests in the current period\n    type: integer\n  X-Rate-Limit-Remaining:\n    description: The number of remaining requests in the current period\n    type: integer\n  X-Rate-Limit-Reset:\n    description: The number of seconds left in the current period\n    type: integer\n```\n\nResponse with no return value:\n\n```js\n{\n  "description": "object created"\n}\n```\n\n```yaml\ndescription: object created\n```',
+    targetSpecs: OpenAPI2,
+  },
   {
     docs: '#### [Response Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.0.3.md#responseObject)\nDescribes a single response from an API Operation, including design-time, static\n`links` to operations based on the response.\n\n##### Fixed Fields\nField Name | Type | Description\n---|:---:|---\ndescription | `string` | **REQUIRED**. A short description of the response. [CommonMark syntax](https://spec.commonmark.org/) MAY be used for rich text representation.\nheaders | Map[`string`, [Header Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.0.3.md#headerObject)  \\| [Reference Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.0.3.md#referenceObject)] |  Maps a header name to its definition. [RFC7230](https://tools.ietf.org/html/rfc7230#page-22) states header names are case insensitive. If a response header is defined with the name `"Content-Type"`, it SHALL be ignored.\ncontent | Map[`string`, [Media Type Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.0.3.md#mediaTypeObject)] | A map containing descriptions of potential response payloads. The key is a media type or [media type range](https://tools.ietf.org/html/rfc7231#appendix-D) and the value describes it.  For responses that match multiple keys, only the most specific key is applicable. e.g. text/plain overrides text/*\nlinks | Map[`string`, [Link Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.0.3.md#linkObject) \\| [Reference Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.0.3.md#referenceObject)] | A map of operations links that can be followed from the response. The key of the map is a short name for the link, following the naming constraints of the names for [Component Objects](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.0.3.md#componentsObject).\n\nThis object MAY be extended with [Specification Extensions](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.0.3.md#specificationExtensions).\n\n##### Response Object Examples\n\nResponse of an array of a complex type:\n\n\n\\\nJSON\n```json\n{\n  "description": "A complex object array response",\n  "content": {\n    "application/json": {\n      "schema": {\n        "type": "array",\n        "items": {\n          "$ref": "#/components/schemas/VeryComplexType"\n        }\n      }\n    }\n  }\n}\n```\n\n\n\\\nYAML\n```yaml\ndescription: A complex object array response\ncontent:\n  application/json:\n    schema:\n      type: array\n      items:\n        $ref: \'#/components/schemas/VeryComplexType\'\n```\n\nResponse with a string type:\n\n```json\n{\n  "description": "A simple string response",\n  "content": {\n    "text/plain": {\n      "schema": {\n        "type": "string"\n      }\n    }\n  }\n\n}\n```\n\n```yaml\ndescription: A simple string response\ncontent:\n  text/plain:\n    schema:\n      type: string\n```\n\nPlain text response with headers:\n\n```json\n{\n  "description": "A simple string response",\n  "content": {\n    "text/plain": {\n      "schema": {\n        "type": "string",\n        "example": "whoa!"\n      }\n    }\n  },\n  "headers": {\n    "X-Rate-Limit-Limit": {\n      "description": "The number of allowed requests in the current period",\n      "schema": {\n        "type": "integer"\n      }\n    },\n    "X-Rate-Limit-Remaining": {\n      "description": "The number of remaining requests in the current period",\n      "schema": {\n        "type": "integer"\n      }\n    },\n    "X-Rate-Limit-Reset": {\n      "description": "The number of seconds left in the current period",\n      "schema": {\n        "type": "integer"\n      }\n    }\n  }\n}\n```\n\n```yaml\ndescription: A simple string response\ncontent:\n  text/plain:\n    schema:\n      type: string\n    example: \'whoa!\'\nheaders:\n  X-Rate-Limit-Limit:\n    description: The number of allowed requests in the current period\n    schema:\n      type: integer\n  X-Rate-Limit-Remaining:\n    description: The number of remaining requests in the current period\n    schema:\n      type: integer\n  X-Rate-Limit-Reset:\n    description: The number of seconds left in the current period\n    schema:\n      type: integer\n```\n\nResponse with no return value:\n\n```json\n{\n  "description": "object created"\n}\n```\n\n```yaml\ndescription: object created\n```',
     targetSpecs: OpenAPI30,

packages/apidom-ls/src/config/openapi/response/lint/allowed-fields-2-0.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';
+
+// eslint-disable-next-line @typescript-eslint/naming-convention
+const allowedFields2_0Lint: LinterMeta = {
+  code: ApilintCodes.NOT_ALLOWED_FIELDS,
+  source: 'apilint',
+  message: 'Object includes not allowed fields',
+  severity: DiagnosticSeverity.Error,
+  linterFunction: 'allowedFields',
+  linterParams: [['description', 'schema', 'headers', 'examples', '$ref'], 'x-'],
+  marker: 'key',
+  targetSpecs: OpenAPI2,
+};
+
+export default allowedFields2_0Lint;

packages/apidom-ls/src/config/openapi/response/lint/description--required.ts

@@ -2,10 +2,10 @@ import { DiagnosticSeverity } from 'vscode-languageserver-types';
 
 import ApilintCodes from '../../../codes';
 import { LinterMeta } from '../../../../apidom-language-types';
-import { OpenAPI3 } from '../../target-specs';
+import { OpenAPI2, OpenAPI3 } from '../../target-specs';
 
 const descriptionRequiredLint: LinterMeta = {
-  code: ApilintCodes.OPENAPI3_0_RESPONSE_FIELD_DESCRIPTION_REQUIRED,
+  code: ApilintCodes.OPENAPI2_RESPONSE_FIELD_DESCRIPTION_REQUIRED,
   source: 'apilint',
   message: "should always have a 'description'",
   severity: DiagnosticSeverity.Error,
@@ -28,7 +28,7 @@ const descriptionRequiredLint: LinterMeta = {
       params: ['$ref'],
     },
   ],
-  targetSpecs: OpenAPI3,
+  targetSpecs: [...OpenAPI2, ...OpenAPI3],
 };
 
 export default descriptionRequiredLint;

packages/apidom-ls/src/config/openapi/response/lint/description--type.ts

@@ -2,10 +2,10 @@ import { DiagnosticSeverity } from 'vscode-languageserver-types';
 
 import ApilintCodes from '../../../codes';
 import { LinterMeta } from '../../../../apidom-language-types';
-import { OpenAPI3 } from '../../target-specs';
+import { OpenAPI2, OpenAPI3 } from '../../target-specs';
 
 const descriptionTypeLint: LinterMeta = {
-  code: ApilintCodes.OPENAPI3_0_RESPONSE_FIELD_DESCRIPTION_TYPE,
+  code: ApilintCodes.OPENAPI2_RESPONSE_FIELD_DESCRIPTION_TYPE,
   source: 'apilint',
   message: 'description must be a string',
   severity: DiagnosticSeverity.Error,
@@ -14,7 +14,7 @@ const descriptionTypeLint: LinterMeta = {
   marker: 'value',
   target: 'description',
   data: {},
-  targetSpecs: OpenAPI3,
+  targetSpecs: [...OpenAPI2, ...OpenAPI3],
 };
 
 export default descriptionTypeLint;

packages/apidom-ls/src/config/openapi/response/lint/examples--type.ts

@@ -0,0 +1,21 @@
+import { DiagnosticSeverity } from 'vscode-languageserver-types';
+
+import ApilintCodes from '../../../codes';
+import { LinterMeta } from '../../../../apidom-language-types';
+import { OpenAPI2 } from '../../target-specs';
+
+const examplesTypeLint: LinterMeta = {
+  code: ApilintCodes.OPENAPI2_RESPONSE_FIELD_EXAMPLES_TYPE,
+  source: 'apilint',
+  message: '"examples" must be an object',
+  severity: DiagnosticSeverity.Error,
+  linterFunction: 'apilintElementOrClass',
+  linterParams: ['example'],
+  marker: 'key',
+  markerTarget: 'examples',
+  target: 'examples',
+  data: {},
+  targetSpecs: OpenAPI2,
+};
+
+export default examplesTypeLint;

packages/apidom-ls/src/config/openapi/response/lint/headers--type.ts

@@ -0,0 +1,21 @@
+import { DiagnosticSeverity } from 'vscode-languageserver-types';
+
+import ApilintCodes from '../../../codes';
+import { LinterMeta } from '../../../../apidom-language-types';
+import { OpenAPI2 } from '../../target-specs';
+
+const headersTypeLint: LinterMeta = {
+  code: ApilintCodes.OPENAPI2_RESPONSE_FIELD_HEADERS_TYPE,
+  source: 'apilint',
+  message: '"headers" must be an object',
+  severity: DiagnosticSeverity.Error,
+  linterFunction: 'apilintElementOrClass',
+  linterParams: ['headers'],
+  marker: 'key',
+  markerTarget: 'headers',
+  target: 'headers',
+  data: {},
+  targetSpecs: OpenAPI2,
+};
+
+export default headersTypeLint;

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

@@ -1,17 +1,25 @@
+import allowedFields2_0Lint from './allowed-fields-2-0';
 import allowedFields3_0Lint from './allowed-fields-3-0';
 import allowedFields3_1Lint from './allowed-fields-3-1';
 import descriptionTypeLint from './description--type';
 import descriptionRequiredLint from './description--required';
 import headersValuesTypeLint from './headers--values-type';
+import headersTypeLint from './headers--type';
 import contentValuesTypeLint from './content--values-type';
 import linksValuesTypeLint from './links--values-type';
+import schemaTypeLint from './schema--type';
+import examplesTypeLint from './examples--type';
 
 const lints = [
   descriptionTypeLint,
   descriptionRequiredLint,
+  headersTypeLint,
   headersValuesTypeLint,
   contentValuesTypeLint,
   linksValuesTypeLint,
+  schemaTypeLint,
+  examplesTypeLint,
+  allowedFields2_0Lint,
   allowedFields3_0Lint,
   allowedFields3_1Lint,
 ];