feat(ls): provide OpenAPI 3.0.x License completion rules

Refs #2032

Author: char0n

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

@@ -0,0 +1,81 @@
+import {
+  ApidomCompletionItem,
+  CompletionFormat,
+  CompletionType,
+} from '../../../apidom-language-types';
+
+const completion: ApidomCompletionItem[] = [
+  {
+    label: 'name',
+    insertText: 'name',
+    kind: 14,
+    format: CompletionFormat.QUOTED,
+    type: CompletionType.PROPERTY,
+    insertTextFormat: 2,
+    documentation: {
+      kind: 'markdown',
+      value: '**REQUIRED**. The license name used for the API.',
+    },
+  },
+  {
+    label: 'identifier',
+    insertText: 'identifier',
+    kind: 14,
+    format: CompletionFormat.QUOTED,
+    type: CompletionType.PROPERTY,
+    insertTextFormat: 2,
+    documentation: {
+      kind: 'markdown',
+      value:
+        'An [SPDX](https://spdx.org/spdx-specification-21-web-version#h.jxpfx0ykyb60) license expression for the API. The `identifier` field is mutually exclusive of the `url` field.',
+    },
+    targetSpecs: [{ namespace: 'openapi', version: '3.1.0' }],
+  },
+  {
+    label: 'url',
+    insertText: 'url',
+    kind: 14,
+    format: CompletionFormat.QUOTED,
+    type: CompletionType.PROPERTY,
+    insertTextFormat: 2,
+    documentation: {
+      kind: 'markdown',
+      value: 'A URL to the license used for the API. MUST be in the format of a URL.',
+    },
+    targetSpecs: [
+      { namespace: 'openapi', version: '3.0.0' },
+      { namespace: 'openapi', version: '3.0.1' },
+      { namespace: 'openapi', version: '3.0.2' },
+      { namespace: 'openapi', version: '3.0.3' },
+    ],
+  },
+  {
+    label: 'url',
+    insertText: 'url',
+    kind: 14,
+    format: CompletionFormat.QUOTED,
+    type: CompletionType.PROPERTY,
+    insertTextFormat: 2,
+    documentation: {
+      kind: 'markdown',
+      value:
+        'A URL to the license used for the API. This MUST be in the form of a URL. The `url` field is mutually exclusive of the `identifier` field.',
+    },
+    targetSpecs: [{ namespace: 'openapi', version: '3.1.0' }],
+  },
+  {
+    label: 'email',
+    insertText: 'email',
+    kind: 14,
+    format: CompletionFormat.QUOTED,
+    type: CompletionType.PROPERTY,
+    insertTextFormat: 2,
+    documentation: {
+      kind: 'markdown',
+      value:
+        'The email address of the contact person/organization. This MUST be in the form of an email address.',
+    },
+  },
+];
+
+export default completion;

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

@@ -1,7 +1,9 @@
+import completion from './completion';
 import documentation from './documentation';
 import { FormatMeta } from '../../../apidom-language-types';
 
 const meta: FormatMeta = {
+  completion,
   documentation,
 };