[json] setting for syntax folding (experimental)

extensions/json/server/src/protocol/foldingProvider.proposed.ts

@@ -0,0 +1,89 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { TextDocumentIdentifier } from 'vscode-languageserver-types';
+import { RequestType, TextDocumentRegistrationOptions, StaticRegistrationOptions } from 'vscode-languageserver-protocol';
+
+// ---- capabilities
+
+export interface FoldingProviderClientCapabilities {
+	/**
+	 * The text document client capabilities
+	 */
+	textDocument?: {
+		/**
+		 * Capabilities specific to the foldingProvider
+		 */
+		foldingProvider?: {
+			/**
+			 * Whether implementation supports dynamic registration. If this is set to `true`
+			 * the client supports the new `(FoldingProviderOptions & TextDocumentRegistrationOptions & StaticRegistrationOptions)`
+			 * return value for the corresponding server capability as well.
+			 */
+			dynamicRegistration?: boolean;
+		};
+	};
+}
+
+export interface FoldingProviderOptions {
+}
+
+export interface FoldingProviderServerCapabilities {
+	/**
+	 * The server provides folding provider support.
+	 */
+	foldingProvider?: FoldingProviderOptions | (FoldingProviderOptions & TextDocumentRegistrationOptions & StaticRegistrationOptions);
+}
+
+export interface FoldingRangeList {
+	/**
+	 * The folding ranges.
+	 */
+	ranges: FoldingRange[];
+}
+
+export enum FoldingRangeType {
+	/**
+	 * Folding range for a comment
+	 */
+	Comment = 'comment',
+	/**
+	 * Folding range for a imports or includes
+	 */
+	Imports = 'imports',
+	/**
+	 * Folding range for a region (e.g. `#region`)
+	 */
+	Region = 'region'
+}
+
+export interface FoldingRange {
+
+	/**
+	 * The start line number
+	 */
+	startLine: number;
+
+	/**
+	 * The end line number
+	 */
+	endLine: number;
+
+	/**
+	 * The actual color value for this folding range.
+	 */
+	type?: FoldingRangeType | string;
+}
+
+export interface FoldingRangeRequestParam {
+	/**
+	 * The text document.
+	 */
+	textDocument: TextDocumentIdentifier;
+}
+
+export namespace FoldingRangesRequest {
+	export const type: RequestType<FoldingRangeRequestParam, FoldingRangeList | null, any, any> = new RequestType('textDocument/foldingRanges');
+}