Questions tagged [es6-modules]

The JavaScript module system, which was incorporated in ECMAScript 6 (2015), provides a conventional approach to organizing code.

Error Message: "Unable to locate module for Angular 5 UI Components packaging"

In the process of developing UI Components to be used in various web projects throughout the company, we are aiming to publish these components as an npm package on our local repository. It is crucial for us to include the sources for debugging purposes. F ...

The best practices for utilizing ES6 Modules syntax in TypeScript files within a NextJS environment

The issue appears to be trapped in a loop: package.json is missing type: "module". This results in an error when trying to use modules in TypeScript files: An error occurred while running the seed command: /Users/me/code/me/prisma-learning/grap ...

Attempting to leverage the combination of mocha, ES6 modules, and ts-node while utilizing the --experimental-loader option

I've been attempting to make the ts-node option --experimental-loader function alongside mocha, but so far I haven't had any success. Before I started compiling ES6 modules, running mocha tests was as simple as: "test": "nyc --reporter=html mocha --require ...

What causes TypeScript to automatically infer a default property when dynamically importing a JavaScript file that lacks a default export?

While dynamically importing a javascript file that exports multiple functions (without a default export), I encountered this issue: const sayHi = import('./sayHi.js') I was expecting the type of sayHi to be Promise<{name1: function, name2: fu ...

Easy steps for importing node modules in TypeScript

I'm currently navigating the world of TypeScript and attempting to incorporate a module that is imported from a node module. I have chosen not to utilize webpack or any other build tools in order to maintain simplicity and clarity. Here is the struct ...

What is the process for enabling the experimental-modules option when running an npm package's bin command?

Beginning with Node v8.5.0, the support for ES6 style modules has been introduced. import x from 'x' You can access this feature by running node using the --experimental-modules option, like so: node --experimental-modules test.mjs By utilizi ...

I encountered an unexpected obstacle while reloading my Next.js application with animejs. The error message reads: "SyntaxError: Unexpected token 'export'." This unwelcome occurrence took place during the

Encountering an error with animejs when reloading my Next.js app: An unexpected token 'export' is causing a SyntaxError. This issue occurred during the page generation process. The error originates from file:///Users/.../node_modules/animejs/lib/anime.es. ...

Getting a "module not found" error in Next.js while trying to import a TypeScript

Check out this code snippet: // lib/customFunction.ts export function customFunction() { console.log("customFunction"); } // pages/homepage.tsx import { GetServerSideProps } from "next"; // works import { exampleFunction } from "../lib/exampleFile.js" ...

Oh no! "The accuracy of your BMI calculation is in question."

I am currently working on a technical assessment for a BMI calculator, but I am facing a challenge in implementing the formula. The instructions for calculating BMI are as follows: Step 1: The user's height is given in feet, so it needs to be converted t ...

Blend the power of Node's CommonJS with the versatility of Typescript's ES modules

I currently have a Node.js v10 legacy application that was built using CommonJS modules (require). The entire codebase is written in JavaScript. However, I am considering upgrading the app and refactoring a specific part of it to use TypeScript modules ( ...

Dependency in NPM that imports/includes from the main directory of the application

Imagine creating an application named App, which includes an npm dependency called package. The package requires that the App adheres to a specific file structure: App/ node_modules/ package/ index.js package.json folder/ file.js index.js pac ...

Messing up Bootstrap ES6 JavaScript code leads to the problem of the "Modal redeclared" error

Encountering the issue of "Modal redeclared" when attempting to minify Bootstrap 4 JS code using Grunt. Discovered these are due to ES6 so found the ES6 Uglify for Grunt. Current dependencies include: "bootstrap": "~4.0.0", "grunt": "~1.0.1", "grunt-contr ...

Managing dependencies with Yarn or npm

While experimenting with remix and mui v5, I encountered some issues. When using npm and running npm run dev, I received the following error: Error: Directory import '.../playground/remix-mui-dev/node_modules/@mui/material/styles' is not supporte ...

Update all Vue component imports to include the .vue extension at the end

The Vue CLI has decided to no longer support extensionless imports, causing compatibility issues with certain VS Code extensions like Vetur. In order to address this issue, I require all default component imports from a .vue file to include the file exten ...

The webpack-dev-server is throwing an error with the code "ENOENT

I recently inherited a React project that is hosted on Azure DevOps. I cloned the local repository and now need to downgrade the npm and node versions to the following: [email protected] [email protected] After successfully installing modul ...

Create a Vue module named MyModule and assign it to the Vue instance

Adding functionality to Vue: import api from '@/js/api' Vue.prototype.$api = api In my custom api, I can refer to the Vue instance using this with a default exported function. //api.js import Vue from 'vue' export default function ( ...

teasing es6 imports in unit testing

Imagine a scenario where we have a file named source.js that needs to be tested: // source.js import x from './x'; export default () => x(); The unit test code for this file is quite simple: // test.js import test from 'ava'; import source from './s ...

Setting up a ts-node project with ECMAScript modules. Issue: Unrecognized file extension ".ts"

I am currently in the process of setting up a minimalistic repository that incorporates ts-node and ESM for a project. Despite the existence of previous inquiries on this topic, I have encountered numerous outdated responses. Even recent answers appear to ...

ES6 module import import does not work with Connect-flash

Seeking assistance with setting up connect-flash for my nodejs express app. My goal is to display a flashed message when users visit specific pages. Utilizing ES6 package module type in this project, my code snippet is as follows. No errors are logged in t ...

Jest is unable to handle ESM local imports during resolution

I am encountering an issue with my Typescript project that contains two files, a.ts and b.ts. In a.ts, I have imported b.ts using the following syntax: import * from "./b.js" While this setup works smoothly with Typescript, Jest (using ts-jest) ...

Can we replace node_module imports with a different module (e.g. swapping lodash with lodash-es)?

Currently in the process of upgrading from angular 9 to angular 10 within my mono-repo. Encountering numerous warnings like the ones below: WARNING in \libs\global-search\src\lib\components\status\status.component.ts depe ...

Share your ES module (.mjs) on NPMJS with support for Node versions older than 8.5.0 (Dual Package)

In the past, publishing a module written in ES6 to NPMJS was a simple process: transpile the code using Babel and publish the resulting `lib` directory to NPMJS while keeping the original `src` files on GitHub. However, with Node v8.5.0's experimental sup ...

What steps can I take to utilize Native ESM in my upcoming "Mock ESM" project?

Initially, my Next.js version 11 site worked perfectly with Babel/webpack to implement modern "ES Module" syntax. The only occurrence of the require/CommonJS syntax in my entire application was within next.config.js and babel.config.js. After updating to ...

What is the process of integrating ES6 modules with app.get in a Node/Express routing application?

After researching the benefits of ES6 export, I made the decision to implement it in a NodeJS/Express project instead of using module exports. The MDN documentation explained that export is used as shown below: export function draw(ctx, length, x, y, color ...

The essential guide to creating a top-notch design system with Material UI

Our company is currently focusing on developing our design system as a package that can be easily installed in multiple projects. While the process of building the package is successful, we are facing an issue once it is installed and something is imported ...

Ways to Implement Named Module Exports in Node.js Version 16 Application

Currently, I am working with Node 16.3.0 and Express 4.17.1 (although the Node version is open to change) In my project, I have a file named session.js structured as follows: // session.js exports.fetchUserId = async function(token){ ... } exports.sav ...

Troubleshoot import issues related to third-party dependencies (specifically `react-hook-form`) within the Vite library framework

Currently, I am in the process of creating a custom UI library using Vite that acts as a simple wrapper for ShadCN Uis components. While everything works smoothly when utilizing the library within pages router components in a couple of NextJS apps, import ...

Experiencing a repetitive occurrence of the error: "SyntaxError: Encountered an invalid or unfore

I've encountered a persistent error when attempting to execute my index.mjs file. Here is the content of my index.mjs file: import WebSocket, { WebSocketServer } from "ws"; import http from "http"; import express from 'express'; import ...

Error: The function registerUser from require(...) is not defined

I am facing an issue where I am trying to import the registerUser function inside router.post within the same file that houses its exported function (registerUser). However, when attempting to use it outside of this module, I receive the following error: ...

When using ES6 modules through a script tag, an issue arises with the message "The requested module does not have an export named 'default'."

My attempt to include a module using a script tag caused an error: <script type="module"> import phonebar from "https://unpkg.com/jssip-emicnet/dist/phonebar.js" The error message stated that the module at '' did not export ' ...

Importing three.js using ES6 syntax

When it comes to working with ES6, my workflow involves using Babel and babel-plugin-transform-es2015-modules-system.js specifically to transform module import/export for compatibility with system.js. I rely on a "green" browser for most ES6 features excep ...

Using ES6 import with the 'request' npm module: A Step-by-Step Guide

When updating TypeScript code to ES6 (which runs in the browser and Node server, with a goal of tree-shaking the browser bundle), I am attempting to replace all instances of require with import. However, I encountered an issue... import * as request from ...

Is employing absolute paths in our confidential Node dependencies a good idea?

I have recently organized our codebase's React components into a separate dependency to make them reusable across different projects. To improve readability, all components now utilize Webpack aliases: import TestComponent from 'components/TestCo ...

Guide on exporting values from a Promise within an imported module

Recently, I encountered a challenge where I needed to integrate a pure ESM package into a non-module. Unfortunately, modifying the script to accommodate this requirement was not an option. To tackle this issue, I turned to using the import() function (als ...

What is the trick to make the "@" alias function in a Typescript ESM project?

My current challenge involves running a script using ESM: ts-node --esm -r tsconfig-paths/register -T src/server/api/jobs/index.ts Despite my efforts, the script seems unable to handle imports like import '@/server/init.ts': CustomError: Cannot ...

How is it possible for TypeScript to enable the importing of dependencies that it ultimately cannot utilize during runtime?

Take a look at my sample project by following this link: https://github.com/DanKaplanSES/typescript-stub-examples/tree/JavaScript-import-invalid I have developed a file named main.ts: import uuid from "uuid"; console.log(uuid.v4()); While type ...

Is it necessary to re-export a module after modifying an attribute in it in JS/ES6?

From my understanding of the module system, when I use import 'some_module' in a file, I will always receive the same instance of that module and not a new instance each time. However, I am a bit puzzled by a pattern I have observed in certain apps: // i ...

Converting <reference path/> directive to ESM import: A step-by-step guide

As I embark on developing a TypeScript application, I've reached the realization that I am not a fan of using the <reference path /> triple-slash directive. Instead, I prefer utilizing import 'something'. However, every time I attempt to substitute ...

Retrieving Vue component properties as a data type

I'm facing a dilemma with my Vue components. I want to extract the props from one component and use them as a type instead of a value in another component. Specifically, I have a component where I need to take in an array of props from a different com ...

What is the best way to create a summary module that consolidates and re-exports all the exported functionalities from multiple sub-modules in E

Is there a way to re-export the exports from multiple files in an ESM module without manually listing each export? I am looking to convert my CommonJS module directory, which contains several files, to ESM imports/exports. Currently, I have an index.js fi ...