I had to set "type": "module" in my package.json file and I would like to exclude some files from being treated as ES module files but WITHOUT changing its extension, as I need to keep it as .js file because other server scripts, (which I cannot change) points directly to that specific filename.js file and… Read More Exclude files from type: module without changing file extension
I am new in Reactjs, I tried to use ES6 code in my React js file like the following, the compiler not recognized filter and includes?? Error : Uncaught TypeError: Cannot read properties of undefined(reading ‘filter’)… const noStoreName = csvFile.filter( e => categoriesFile.includes(e)) Thanks! >Solution : It seems that it’s not from compiler cvsFile is… Read More Reactjs not recognize some of the ES6 function?
I have a website with a table I am attempting to use firebase on. However, whenever I run my web app I keep getting the error: Uncaught ReferenceError: firebase is not defined at main.html:176:18 in my console. When I searched for solutions online most of them said to include the firebase js library in your… Read More Uncaught ReferenceError: Firebase is not defined in my application
What is the difference between module es2015 and es2020 option in tsconfig? In oher words, is there any difference if I use es2015 modules and configure the module option to es2015 or es2020? ts-config: { /* Specify module code generation: ‘none’, ‘commonjs’, ‘amd’, ‘system’, ‘umd’, ‘es2015’, ‘es2020’, or ‘ESNext’. */ module: ‘es2015’ } vs {… Read More Difference between module es2015 vs es2020
I have a function which transforms other functions: //library: let transform = function(OriginalComponent) { let WrappedComponent (props) => { //some transformation return <OriginalComponent {…props} /> }; //I specifically need the original component to have a NON EMPTY name here Object.defineProperty(WrappedComponent, "name", { value: OriginalComponent.name }); } I currently use this in a file like so… Read More How to succinctly export a wrapped and named function without using two names
I’m currently rewriting a NodeJS project from a messy combination of CommonJS and Babel-transpiled ES Modules to be completely ES Module based. In the process, I’ve become a bit confused by how Node handles these things. I’ve tried to read up on it, but I seem to be missing one final piece in my understanding.… Read More Node.js –experimental-vm-modules command line option vs "type": "module" in package.json
According to the documentation it’s possible to do like this: let myModule; if (typeof window === "undefined") { myModule = await import("module-used-on-server"); } else { myModule = await import("module-used-in-browser"); } But trying to use this module export (myClass.js): export class MyClass { constructor(){ console.log(‘MyClass Constructed’); } } this code (window.initialize() called from a callback) gives… Read More How do I share dynamically loaded class outside scope
Simple data example, constants.js export default { name: "John Smith", age: 10 }; Import it on the Vue component, which renders correctly. But if I use the DevTools and type c in the console… c is undefined. import c from "../constants/constants.js"; export default { name: "HelloWorld", computed: { myName() { debugger; // In DevTools, console…… Read More Import default in Vue component not definied in DevTools console
I was taking a look to the swiper.esm.js from Swiperjs (source copied here for reference: https://jsfiddle.net/fw4zj8qk/), and the first line is export { default as Swiper, default } from ‘./core/core.js’; while the following are of the form: export { default as Virtual } from ‘./modules/virtual/virtual.js’; and in MDN docs i can find that also something… Read More What are differences between { default as name } and { name as default } when exporting js modules?
Often in documentation for libraries, information will be given in the docs about how to import the module once it’s been installed via npm. For example: import React from "react" When this isn’t given, how is it possible to know what should be imported to make use of the library? >Solution : For default imports… Read More How to find out module import instructions when not in the docs?