feat(ls): add rules for OpenAPI 2.0 Definitions Object (#3658)

Refs #3615

Author: char0n

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

@@ -763,6 +763,9 @@ enum ApilintCodes {
   OPENAPI2_HEADERS = 3130000,
   OPENAPI2_HEADERS_VALUES_TYPE = 3130100,
 
+  OPENAPI2_DEFINITIONS = 3140000,
+  OPENAPI2_DEFINITIONS_VALUES_TYPE = 3140100,
+
   OPENAPI3_0 = 5000000,
 
   OPENAPI3_0_OPENAPI_VALUE_PATTERN_3_0_0 = 5000100,

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

@@ -8,6 +8,7 @@ import componentsMeta from './components/meta';
 import contactMeta from './contact/meta';
 import contentMeta from './content/meta';
 import discriminatorMeta from './discriminator/meta';
+import definitionsMeta from './definitions/meta';
 import encodingMeta from './encoding/meta';
 import exampleMeta from './example/meta';
 import externalDocumentationMeta from './external-documentation/meta';
@@ -60,6 +61,7 @@ export default {
   contact: contactMeta,
   content: contentMeta,
   discriminator: discriminatorMeta,
+  definitions: definitionsMeta,
   encoding: encodingMeta,
   example: exampleMeta,
   externalDocumentation: externalDocumentationMeta,

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

@@ -0,0 +1,10 @@
+import { OpenAPI2 } from '../target-specs';
+
+const documentation = [
+  {
+    docs: '#### [Definitions Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/2.0.md#definitions-object)\n\nAn object to hold data types that can be consumed and produced by operations. These data types can be primitives, arrays or models.\n\n##### Patterned Fields\n\nField Pattern | Type | Description\n---|:---:|---\n{name} | [Schema Object](https://github.com/OAI/OpenAPI-Specification/blob/main/versions/2.0.md#schemaObject) | A single definition, mapping a "name" to the schema it defines.\n\n##### Definitions Object Example\n\n```js\n{\n  "Category": {\n    "type": "object",\n    "properties": {\n      "id": {\n        "type": "integer",\n        "format": "int64"\n      },\n      "name": {\n        "type": "string"\n      }\n    }\n  },\n  "Tag": {\n    "type": "object",\n    "properties": {\n      "id": {\n        "type": "integer",\n        "format": "int64"\n      },\n      "name": {\n        "type": "string"\n      }\n    }\n  }\n}\n```\n\n\n\\\nYAML\n```yaml\nCategory:\n  type: object\n  properties:\n    id:\n      type: integer\n      format: int64\n    name:\n      type: string\nTag:\n  type: object\n  properties:\n    id:\n      type: integer\n      format: int64\n    name:\n      type: string\n```',
+    targetSpecs: OpenAPI2,
+  },
+];
+
+export default documentation;

packages/apidom-ls/src/config/openapi/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/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_DEFINITIONS_VALUES_TYPE,
+  source: 'apilint',
+  message: 'Definitions Object values must be of Schema Object shape',
+  severity: DiagnosticSeverity.Error,
+  linterFunction: 'apilintChildrenOfElementsOrClasses',
+  linterParams: [['schema']],
+  marker: 'key',
+  data: {},
+  targetSpecs: OpenAPI2,
+};
+
+export default valuesTypeLint;

packages/apidom-ls/src/config/openapi/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;