Closed
Description
TypeScript Version: 2.8.0-dev.20180201
Code using only __importDefault
import path from "path";
console.log(path.resolve(__dirname, "../"));
export class Foo { }
//export class Bar extends Foo { }
Generated
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var path_1 = __importDefault(require("path"));
console.log(path_1.default.resolve(__dirname, "../"));
var Foo = /** @class */ (function () {
function Foo() {
}
return Foo;
}());
exports.Foo = Foo;
//export class Bar extends Foo { }
Code using __importDefault and __extends
import path from "path";
console.log(path.resolve(__dirname, "../"));
export class Foo { }
export class Bar extends Foo { }
Generated
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var path_1 = tslib_1.__importDefault(require("path"));
console.log(path_1.default.resolve(__dirname, "../"));
var Foo = /** @class */ (function () {
function Foo() {
}
return Foo;
}());
exports.Foo = Foo;
var Bar = /** @class */ (function (_super) {
tslib_1.__extends(Bar, _super);
function Bar() {
return _super !== null && _super.apply(this, arguments) || this;
}
return Bar;
}(Foo));
exports.Bar = Bar;
tsconfig
{
"compilerOptions": {
"target": "es5",
"module": "commonjs",
"importHelpers": true,
"noEmitHelpers": true,
"strict": true,
"esModuleInterop": true
}
}
Expected behavior:
Import tslib when using __importDefault or __importStar helper.
Actual behavior:
Not importing when only __importDefault or __importStar are used.