Function checkThisBeforeSuper

test/fixtures/snapshot/typescript.js:71924–71934

(node, container, diagnosticMessage)

            return baseConstructorType === nullWideningType;
        }
        function checkThisBeforeSuper(node, container, diagnosticMessage) {
            var containingClassDecl = container.parent;
            var baseTypeNode = ts.getClassExtendsHeritageElement(containingClassDecl);
            // If a containing class does not have extends clause or the class extends null
            // skip checking whether super statement is called before "this" accessing.
            if (baseTypeNode && !classDeclarationExtendsNull(containingClassDecl)) {
                if (node.flowNode && !isPostSuperFlowNode(node.flowNode, /*noCacheCheck*/ false)) {
                    error(node, diagnosticMessage);
                }
            }
        }
        function checkThisInStaticClassFieldInitializerInDecoratedClass(thisExpression, container) {
            if (ts.isPropertyDeclaration(container) && ts.hasStaticModifier(container) &&
                container.initializer && ts.textRangeContainsPositionInclusive(container.initializer, thisExpression.pos) && ts.length(container.parent.decorators)) {