resolve target of alias when getting member from the module

Author: vladima

src/compiler/checker.ts

@@ -1057,6 +1057,8 @@ namespace ts {
  else {
  symbolFromVariable = getPropertyOfVariable(targetSymbol, name.text);
  }
+ // if symbolFromVariable is export - get its final target
+ symbolFromVariable = resolveSymbol(symbolFromVariable);
  const symbolFromModule = getExportOfModule(targetSymbol, name.text);
  const symbol = symbolFromModule && symbolFromVariable ?
  combineValueAndTypeSymbols(symbolFromVariable, symbolFromModule) :

tests/baselines/reference/exportEqualsOfModule.js

@@ -0,0 +1,23 @@
+//// [exportEqualsOfModule.ts]
+declare module '~popsicle/dist/request' {
+ export class Request {}
+}
+
+declare module '~popsicle/dist/common' {
+ import { Request } from '~popsicle/dist/request';
+ export { Request };
+}
+
+declare module 'popsicle' {
+ import alias = require('~popsicle/dist/common');
+ export = alias;
+}
+
+declare module 'popsicle-proxy-agent' {
+ import { Request } from 'popsicle';
+ function proxy(): (request: Request) => any;
+ export = proxy;
+}
+
+
+//// [exportEqualsOfModule.js]

tests/baselines/reference/exportEqualsOfModule.symbols

@@ -0,0 +1,35 @@
+=== tests/cases/compiler/exportEqualsOfModule.ts ===
+declare module '~popsicle/dist/request' {
+ export class Request {}
+>Request : Symbol(Request, Decl(exportEqualsOfModule.ts, 0, 41))
+}
+
+declare module '~popsicle/dist/common' {
+ import { Request } from '~popsicle/dist/request';
+>Request : Symbol(Request, Decl(exportEqualsOfModule.ts, 5, 12))
+
+ export { Request };
+>Request : Symbol(Request, Decl(exportEqualsOfModule.ts, 6, 12))
+}
+
+declare module 'popsicle' {
+ import alias = require('~popsicle/dist/common');
+>alias : Symbol(alias, Decl(exportEqualsOfModule.ts, 9, 27))
+
+ export = alias;
+>alias : Symbol(alias, Decl(exportEqualsOfModule.ts, 9, 27))
+}
+
+declare module 'popsicle-proxy-agent' {
+ import { Request } from 'popsicle';
+>Request : Symbol(Request, Decl(exportEqualsOfModule.ts, 15, 12))
+
+ function proxy(): (request: Request) => any;
+>proxy : Symbol(proxy, Decl(exportEqualsOfModule.ts, 15, 39))
+>request : Symbol(request, Decl(exportEqualsOfModule.ts, 16, 23))
+>Request : Symbol(Request, Decl(exportEqualsOfModule.ts, 15, 12))
+
+ export = proxy;
+>proxy : Symbol(proxy, Decl(exportEqualsOfModule.ts, 15, 39))
+}
+

tests/baselines/reference/exportEqualsOfModule.types

@@ -0,0 +1,35 @@
+=== tests/cases/compiler/exportEqualsOfModule.ts ===
+declare module '~popsicle/dist/request' {
+ export class Request {}
+>Request : Request
+}
+
+declare module '~popsicle/dist/common' {
+ import { Request } from '~popsicle/dist/request';
+>Request : typeof Request
+
+ export { Request };
+>Request : typeof Request
+}
+
+declare module 'popsicle' {
+ import alias = require('~popsicle/dist/common');
+>alias : typeof alias
+
+ export = alias;
+>alias : typeof alias
+}
+
+declare module 'popsicle-proxy-agent' {
+ import { Request } from 'popsicle';
+>Request : typeof Request
+
+ function proxy(): (request: Request) => any;
+>proxy : () => (request: Request) => any
+>request : Request
+>Request : Request
+
+ export = proxy;
+>proxy : () => (request: Request) => any
+}
+

tests/cases/compiler/exportEqualsOfModule.ts

@@ -0,0 +1,19 @@
+declare module '~popsicle/dist/request' {
+ export class Request {}
+}
+
+declare module '~popsicle/dist/common' {
+ import { Request } from '~popsicle/dist/request';
+ export { Request };
+}
+
+declare module 'popsicle' {
+ import alias = require('~popsicle/dist/common');
+ export = alias;
+}
+
+declare module 'popsicle-proxy-agent' {
+ import { Request } from 'popsicle';
+ function proxy(): (request: Request) => any;
+ export = proxy;
+}