denoland-deno/cli/tests/testdata/npm/node_modules_import/main.ts

import * as myImport1 from "@denotest/esm-basic";
import * as myImport2 from "./node_modules/@denotest/esm-basic/main.mjs";
import * as myImport3 from "@denotest/esm-basic/main.mjs";

myImport1.setValue(5);
myImport2.setValue(2);

// these should all give type errors
const value1: string = myImport1.getValue();
const value2: string = myImport2.getValue();
const value3: string = myImport3.getValue();

// these should all be equal because it should be mutating the same module
console.log(value1);
console.log(value2);
console.log(value3);