Add outlining spans for object destructuring elements

Author: a-tarasyuk

src/services/outliningElementsCollector.ts

@@ -199,6 +199,7 @@ namespace ts.OutliningElementsCollector {
             case SyntaxKind.InterfaceDeclaration:
             case SyntaxKind.EnumDeclaration:
             case SyntaxKind.CaseBlock:
+            case SyntaxKind.ObjectBindingPattern:
                 return spanForNode(n);
             case SyntaxKind.CaseClause:
             case SyntaxKind.DefaultClause:

tests/cases/fourslash/getOutliningForObjectDestructuring.ts

@@ -0,0 +1,39 @@
+/// <reference path="fourslash.ts"/>
+
+////const[| {
+////    a,
+////    b,
+////    c
+////}|] =[| {
+////    a: 1,
+////    b: 2,
+////    c: 3
+////}|]
+
+////const[| {
+////    a:[| {
+////        a_1,
+////        a_2,
+////        a_3:[| {
+////            a_3_1,
+////            a_3_2,
+////            a_3_3,
+////        }|],
+////    }|],
+////    b,
+////    c
+////}|] =[| {
+////    a:[| {
+////        a_1: 1,
+////        a_2: 2,
+////        a_3:[| {
+////            a_3_1: 1,
+////            a_3_2: 1,
+////            a_3_3: 1
+////        }|],
+////    }|],
+////    b: 2,
+////    c: 3
+////}|]
+
+verify.outliningSpansInCurrentFile(test.ranges(), "code");