Grab the return value and get out of forEach in JavaScript? [duplicate]

Use a good old vanilla for loop: function discoverDependentFields(fields) { for (var fieldIndex = 0; fieldIndex < fields.length; fieldIndex ++) { var field = fields[fieldIndex]; if (field.DependencyField) { var foundFields = fields.filter(function(fieldToFind) { return fieldToFind.Name === field.DependencyField; }); if (foundFields.length === 1) { return foundFields[0]; } } } } Well, if you want to stay … Read more

Exporting a class with ES6 (Babel)

Browserify is meant to be fed a single “entry point” file, through which it recursively traverses all of your require statements, importing the code from other modules. So you should be require‘ing the _babel.js versions of modules, not _browserified.js ones. From the looks of it, you intend for your app’s “entry point” to be demos/helicopter_game/PlayState_browserified.js, … Read more

How to dynamically mutate “args” in Storybook v6 from the component’s action?

I had the same exact issue, and kept looking for days, till I stumbled upon this github post: https://github.com/storybookjs/storybook/issues/12006 Currently in my React (am sure vue approach will be similar), I do following: import React from ‘react’; import CheckboxGroupElement from ‘../CheckboxGroup’; import { STORYBOOK_CATEGORIES } from ‘elements/storybook.categories’; import { useArgs } from ‘@storybook/preview-api’; export default … Read more

Why duck typing is allowed for classes in TypeScript

This is the way structural typing works. Typescript has a structural type system to best emulate how Javscript works. Since Javascript uses duck typing, any object that defines the contract can be used in any function. Typescript just tries to validate duck typing at compile time instead of at runtime. Your problem will however only … Read more