Replace FoldingRangeKind type with normal enum. Fixes #48956

src/vs/workbench/api/node/extHostTypeConverters.ts

@@ -625,7 +625,27 @@ export namespace ProgressLocation {
 
 export namespace FoldingRange {
 	export function from(r: vscode.FoldingRange): modes.FoldingRange {
-		return { start: r.start + 1, end: r.end + 1, kind: r.kind };
+		let range: modes.FoldingRange = { start: r.start + 1, end: r.end + 1 };
+		if (r.kind) {
+			range.kind = FoldingRangeKind.from(r.kind);
+		}
+		return range;
+	}
+}
+
+export namespace FoldingRangeKind {
+	export function from(kind: vscode.FoldingRangeKind | undefined): modes.FoldingRangeKind | undefined {
+		if (kind) {
+			switch (kind) {
+				case types.FoldingRangeKind.Comment:
+					return modes.FoldingRangeKind.Comment;
+				case types.FoldingRangeKind.Imports:
+					return modes.FoldingRangeKind.Imports;
+				case types.FoldingRangeKind.Region:
+					return modes.FoldingRangeKind.Region;
+			}
+		}
+		return void 0;
 	}
 }
 

src/vs/workbench/api/node/extHostTypes.ts

@@ -1912,28 +1912,10 @@ export class FoldingRange {
 	}
 }
 
-export class FoldingRangeKind {
-	/**
-	 * Kind for folding range representing a comment. The value of the kind is 'comment'.
-	 */
-	static readonly Comment = new FoldingRangeKind('comment');
-	/**
-	 * Kind for folding range representing a import. The value of the kind is 'imports'.
-	 */
-	static readonly Imports = new FoldingRangeKind('imports');
-	/**
-	 * Kind for folding range representing regions (for example marked by `#region`, `#endregion`).
-	 * The value of the kind is 'region'.
-	 */
-	static readonly Region = new FoldingRangeKind('region');
-
-	/**
-	 * Creates a new [FoldingRangeKind](#FoldingRangeKind).
-	 *
-	 * @param value of the kind.
-	 */
-	public constructor(public value: string) {
-	}
+export enum FoldingRangeKind {
+	Comment = 1,
+	Imports = 2,
+	Region = 3
 }
 
 //#endregion