tests/cases/compiler/importAliasAnExternalModuleInsideAnInternalModule_file0.ts(1,15): error TS1148: Cannot compile modules unless the '--module' flag is provided. ==== tests/cases/compiler/importAliasAnExternalModuleInsideAnInternalModule_file1.ts (0 errors) ==== import r = require('importAliasAnExternalModuleInsideAnInternalModule_file0'); module m_private { //import r2 = require('m'); // would be error export import C = r; // no error C.m.foo(); } ==== tests/cases/compiler/importAliasAnExternalModuleInsideAnInternalModule_file0.ts (1 errors) ==== export module m { ~ !!! error TS1148: Cannot compile modules unless the '--module' flag is provided. export function foo() { } }