Fix object literals lack of this references (#43572)

* fix: object literals lack of this references

* test: improve cases

Author: sangxxh

src/services/findAllReferences.ts

@@ -1929,6 +1929,8 @@ namespace ts.FindAllReferences {
                 case SyntaxKind.MethodDeclaration:
                 case SyntaxKind.MethodSignature:
                     if (isObjectLiteralMethod(searchSpaceNode)) {
+                        staticFlag &= getSyntacticModifierFlags(searchSpaceNode);
+                        searchSpaceNode = searchSpaceNode.parent; // re-assign to be the owning object literals
                         break;
                     }
                     // falls through
@@ -1970,7 +1972,8 @@ namespace ts.FindAllReferences {
                             return isObjectLiteralMethod(searchSpaceNode) && searchSpaceNode.symbol === container.symbol;
                         case SyntaxKind.ClassExpression:
                         case SyntaxKind.ClassDeclaration:
-                            // Make sure the container belongs to the same class
+                        case SyntaxKind.ObjectLiteralExpression:
+                            // Make sure the container belongs to the same class/object literals
                             // and has the appropriate static modifier from the original container.
                             return container.parent && searchSpaceNode.symbol === container.parent.symbol && (getSyntacticModifierFlags(container) & ModifierFlags.Static) === staticFlag;
                         case SyntaxKind.SourceFile:

tests/cases/fourslash/getOccurrencesThis6.ts

@@ -90,7 +90,7 @@
 ////    }
 ////
 ////    public static staticB = this.staticMethod1;
-////    
+////
 ////    public static staticMethod1() {
 ////        this;
 ////        this;
@@ -133,23 +133,60 @@
 ////}
 ////
 ////var x = {
+////    a: /*4*/this,
+////
 ////    f() {
-////        this/*4*/;
+////        this/*5*/;
+////        function foo() {
+////            this;
+////        }
+////        const bar = () => {
+////            this;
+////        }
 ////    },
+////
 ////    g() {
-////        this/*5*/;
-////    }
-////}
+////        this;
+////    },
+////
+////    get h() {
+////        /*7*/this;
+////        function foo() {
+////            this;
+////        }
+////        const bar = () => {
+////            this;
+////        }
+////        return;
+////    },
+////
+////    set h(foo: any) {
+////        this;
+////    },
+////
+////    l: () => {
+////        /*8*/this;
+////        function foo() {
+////            this;
+////        }
+////        const bar = () => {
+////            this;
+////        }
+////    },
+////};
+////
 
 
 function verifyOccurrencesAtMarker(marker: string, count: number) {
     goTo.marker(marker);
     verify.occurrencesAtPositionCount(count);
 }
 
-verifyOccurrencesAtMarker("1", 2);
+verifyOccurrencesAtMarker("1", 5);
 verifyOccurrencesAtMarker("2", 6);
 verifyOccurrencesAtMarker("3", 1);
-verifyOccurrencesAtMarker("4", 1);
-verifyOccurrencesAtMarker("5", 1);
-verifyOccurrencesAtMarker("6", 0);
+verifyOccurrencesAtMarker("4", 5);
+verifyOccurrencesAtMarker("5", 6);
+verifyOccurrencesAtMarker("6", 0);
+verifyOccurrencesAtMarker("7", 6);
+verifyOccurrencesAtMarker("8", 5);