ts-node

$ ts-node src/foo.ts

code::

import { Foo } from "./Bar";

^

SyntaxError: Unexpected token {

$ node -v

v11.14.0

$ node -v

v13.9.0

code::

(node:39469) Warning: To load an ES module, set "type": "module" in the package.json or use the .mjs extension.

import { Foo } from "./Bar";

^^^^^^

SyntaxError: Cannot use import statement outside a module

tsconfig.json

code:diff

- "module": "esnext",

+ "module": "commonjs",