Function insertCaptureNewTargetIfNeeded

test/fixtures/snapshot/typescript.js:99537–99579

(statements, node, copyOnWrite)

            ts.insertStatementAfterCustomPrologue(statements, captureThisStatement);
        }
        function insertCaptureNewTargetIfNeeded(statements, node, copyOnWrite) {
            if (hierarchyFacts & 32768 /* HierarchyFacts.NewTarget */) {
                var newTarget = void 0;
                switch (node.kind) {
                    case 214 /* SyntaxKind.ArrowFunction */:
                        return statements;
                    case 169 /* SyntaxKind.MethodDeclaration */:
                    case 172 /* SyntaxKind.GetAccessor */:
                    case 173 /* SyntaxKind.SetAccessor */:
                        // Methods and accessors cannot be constructors, so 'new.target' will
                        // always return 'undefined'.
                        newTarget = factory.createVoidZero();
                        break;
                    case 171 /* SyntaxKind.Constructor */:
                        // Class constructors can only be called with `new`, so `this.constructor`
                        // should be relatively safe to use.
                        newTarget = factory.createPropertyAccessExpression(ts.setEmitFlags(factory.createThis(), 4 /* EmitFlags.NoSubstitution */), "constructor");
                        break;
                    case 256 /* SyntaxKind.FunctionDeclaration */:
                    case 213 /* SyntaxKind.FunctionExpression */:
                        // Functions can be called or constructed, and may have a `this` due to
                        // being a member or when calling an imported function via `other_1.f()`.
                        newTarget = factory.createConditionalExpression(factory.createLogicalAnd(ts.setEmitFlags(factory.createThis(), 4 /* EmitFlags.NoSubstitution */), factory.createBinaryExpression(ts.setEmitFlags(factory.createThis(), 4 /* EmitFlags.NoSubstitution */), 102 /* SyntaxKind.InstanceOfKeyword */, factory.getLocalName(node))), 
                        /*questionToken*/ undefined, factory.createPropertyAccessExpression(ts.setEmitFlags(factory.createThis(), 4 /* EmitFlags.NoSubstitution */), "constructor"), 
                        /*colonToken*/ undefined, factory.createVoidZero());
                        break;
                    default:
                        return ts.Debug.failBadSyntaxKind(node);
                }
                var captureNewTargetStatement = factory.createVariableStatement(
                /*modifiers*/ undefined, factory.createVariableDeclarationList([
                    factory.createVariableDeclaration(factory.createUniqueName("_newTarget", 16 /* GeneratedIdentifierFlags.Optimistic */ | 32 /* GeneratedIdentifierFlags.FileLevel */), 
                    /*exclamationToken*/ undefined, 
                    /*type*/ undefined, newTarget)
                ]));
                ts.setEmitFlags(captureNewTargetStatement, 1536 /* EmitFlags.NoComments */ | 1048576 /* EmitFlags.CustomPrologue */);
                if (copyOnWrite) {
                    statements = statements.slice();
                }
                ts.insertStatementAfterCustomPrologue(statements, captureNewTargetStatement);
            }
            return statements;
        }
        /**
         * Adds statements to the class body function for a class to define the members of the
         * class.