tests/cases/conformance/externalModules/file3.ts(1,1): error TS1148: Cannot compile modules unless the '--module' flag is provided. ==== tests/cases/conformance/externalModules/file1.ts (0 errors) ==== var v1 = "sausages"; // Global scope ==== tests/cases/conformance/externalModules/file2.ts (0 errors) ==== var v2 = 42; // Global scope var v4 = () => 5; ==== tests/cases/conformance/externalModules/file3.ts (1 errors) ==== export var v3 = true; ~~~~~~~~~~~~~~~~~~~~~ !!! error TS1148: Cannot compile modules unless the '--module' flag is provided. var v2 = [1,2,3]; // Module scope. Should not appear in global scope ==== tests/cases/conformance/externalModules/file4.ts (0 errors) ==== import file3 = require('./file3'); var t1 = v1; var t2 = v2; var t3 = file3.v3; var v4 = {a: true, b: NaN}; // Should shadow global v2 in this module ==== tests/cases/conformance/externalModules/file5.ts (0 errors) ==== var x = v2; // Should be global v2 of type number again