Dynamic imports don't work in nodejs
See original GitHub issue🐛 Bug Report
Cannot dynamically import module in jest tests.
To Reproduce
Steps to reproduce the behavior:
test('dynami', async () => {
const tenderElement = await import('mymodule');
});
Throws:
% npx jest test/dy.spec.js
(node:25196) ExperimentalWarning: The ESM module loader is experimental.
FAIL test/dy.spec.js
✕ dynami (1ms)
● dynami
TypeError: A dynamic import callback was not specified.TypeError [ERR_VM_DYNAMIC_IMPORT_CALLBACK_MISSING]: A dynamic import callback wa
s not specified.
1 | test('dynami', async () => {
> 2 | const tenderElement = await import('mymodule');
| ^
3 | });
at Object.<anonymous> (test/dy.spec.js:2:27)
Test Suites: 1 failed, 1 total
Tests: 1 failed, 1 total
Snapshots: 0 total
Time: 0.313s, estimated 1s
Ran all test suites matching /test\/dy.spec.js/i.
Expected behavior
Expected the dynamic import to work.
envinfo
% npx envinfo --preset jest
npx: installed 1 in 0.696s
System:
OS: Linux 5.3 Manjaro Linux
CPU: (12) x64 Intel(R) Core(TM) i7-9750H CPU @ 2.60GHz
Binaries:
Node: 13.7.0 - /usr/bin/node
Yarn: 1.22.0 - /usr/bin/yarn
npm: 6.13.6 - /usr/bin/npm
npmPackages:
jest: ^24.9.0 => 24.9.0
Issue Analytics
- State:
- Created 4 years ago
- Reactions:1
- Comments:5
Top Results From Across the Web
Using the dynamic import() function on Node.js - Stack Overflow
The dynamic import() loads the module and return a module object that contains all its exports. In order to access the default export...
Read more >Don't dynamically import code in a directory - ITNEXT
Some developers are following a trend of importing code by directory in NodeJS using the fs module. Example file: src/models/index.js. Benefits ...
Read more >How to Dynamically Import ECMAScript Modules
Let's see how dynamic import works, and when it's useful. 1. Dynamic import of modules. When the import keyword is used as a...
Read more >import - JavaScript - MDN Web Docs - Mozilla
There is also a function-like dynamic import() , which does not require scripts of type="module" . Syntax. import defaultExport from "module- ...
Read more >How to dynamically import JavaScript modules - Flavio Copes
Find out how to import a JavaScript module dynamically. ... Maybe you're trying to load something from a folder but you don't know...
Read more >
Top Related Medium Post
No results found
Top Related StackOverflow Question
No results found
Troubleshoot Live Code
Lightrun enables developers to add logs, metrics and snapshots to live code - no restarts or redeploys required.
Start Free
Top Related Reddit Thread
No results found
Top Related Hackernoon Post
No results found
Top Related Tweet
No results found
Top Related Dev.to Post
No results found
Top Related Hashnode Post
No results found

dynamic import has been implemented in #10620, released in 26.5.3
This issue has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs. Please note this issue tracker is not a help forum. We recommend using StackOverflow or our discord channel for questions.