Introduce scope tracking in the parser (#9493)

* Introduce scope tracking

* Fix tests

* Add new tests

* Remove constructor-super check from transform as it is now in parser

* Correctly handle class properties and class scope

* Fix duplicate name check

* Convert scope identifier storage to array

* Enter a new scope in typescript module blocks

* Add test for duplicate declaration

* Rename error for duplicate exports

* Treat class declarations as lexical declaration

* Update whitelist

* Add tests

* Fix scope tracking for function declarations

* Migrate try-catch duplicate error

* Fix test

* More tests

* One more test

* Make scope a separate class and fix review comments

* Do not allow new.target in top scope arrow function

* Correctly enter new scope for declare module and treat type aliases as lexical declarations

* Tests for typescript scope tracking to not mark type aliases as duplicate

* Fix flow scope tracking

* Remove ident from test names as redundant

* Add test case for var and function

* Improve error messages

* Improve literal regex

packages/babel-plugin-transform-flow-comments/test/fixtures/flow-comments/export-type-alias/input.js

@@ -1,5 +1,5 @@
 export type GraphQLFormattedError = number;
-export type GraphQLFormattedError = {
+export type GraphQLFormattedError2 = {
   message: string,
   locations?: Array<{
     line: number,
@@ -7,4 +7,4 @@ export type GraphQLFormattedError = {
   }>
 };
 export interface foo { p: number }
-export interface foo<T> { p: T }
+export interface foo2<T> { p: T }

packages/babel-plugin-transform-flow-comments/test/fixtures/flow-comments/export-type-alias/output.js

@@ -1,6 +1,6 @@
 /*:: export type GraphQLFormattedError = number;*/
 
-/*:: export type GraphQLFormattedError = {
+/*:: export type GraphQLFormattedError2 = {
   message: string,
   locations?: Array<{
     line: number,
@@ -10,4 +10,4 @@
 
 /*:: export interface foo { p: number }*/
 
-/*:: export interface foo<T> { p: T }*/
+/*:: export interface foo2<T> { p: T }*/