I am trying to initialize a minimum heap/priority queue in my server.js using the head-js module (https://github.com/ignlg/heap-js). When I run my code, I receive the following error: TypeError: Heap is not a constructor However, according to the documentation, I am initializing the heap correctly, putting in…
Tag: module
How to exports many mongoose models modules in node.js
I have 2 models like this Now I want to export them. First I export Db and everything is fine. I can do an HTTP request with it. However, when I try to export ´the 2nd one outside, it stops functioning. The functions below will return a blank JSON file as a response. This won’t work either. It returns a…
Javascript – Where are ‘import’ and ‘export’ statements legal?
I’m studying the new import, export feature in Javascript but was wondering, where in code will these statements be syntactically legal? I understand something like the following won’t be legal: (function(){ import thing from ‘./thing.js’; })(); but does this mean import is only legal …
ES6 modules in Chrome
I’m trying to use ES6 modules in Chrome. From all the examples I’ve looked at the following seems to be the right way to do it, but when I run it in Chrome’s developer tools I get this error message… uncaught SyntaxError: Unexpected token { …highlighting the import statement in t…
require.cache equivalent in ES modules
ES Modules docs states: require.cache is not used by import. It has a separate cache. So where’s this separate cache? Is it accessible after all? I’m looking for invalidating module caching as it can be done in CommonJS modules (node.js require() cache – possible to invalidate?) Answer I saw…
Export default was not found
I have a Vue 2 project, and I’ve written a simple function for translating months in dates, which I would like to import in one of my components, but I’m getting an error: export ‘default’ (imported as ‘translateDate’) was not found in ‘@/utils/date-translation’…
How to import functions from different js file in a Vue+webpack+vue-loader project
(See end for why this is not a dupe of How do I include a JavaScript file in another JavaScript file?) Javascipt + Vue + webpack + vue-loader noob… stumbling on the simplest of things! I have App.vue which has a template: I’ve declared the isTokenAvailable method in the normal way for Vue inside m…
Avoiding circular dependencies with Node require()?
I’m having a problem where I have an Electron app, we’ll say contained in files index.html and app.js. app.js is included in index.html with a script tag. Within app.js, I use var ENGINE = require(“./myGameEngine/”); which then requires different classes, each in their own file. It loo…
How can I conditionally import an ES6 module?
I need to do something like: The above code does not compile; it throws SyntaxError: … ‘import’ and ‘export’ may only appear at the top level. I tried using System.import as shown here, but I don’t know where System comes from. Is it an ES6 proposal that didn’t end up…
es2015 modules – how to name exports dynamically
I would like to create a module, h, which exports one function for every HTML element. Here’s how it might be used: Here’s how that module is defined: I don’t like that every export has to be listed explictly. How do I make these dynamic? Answer how to name exports dynamically You can’…