According to various sources (2ality, esdiscuss) one should be able to add mixins to classes:  EDIT discovered that class methods are not enumerable so that cannot work. Edited the code below, but still no joy  class CartoonCharacter {   constructo...

I am organizing a small enterprise application but would like to be as DRY as possible. As a result, I've been looking at mixin libraries.  I came across this library and thought it might be a good option as it allows you to mix in and out at r...

I've been using the module pattern for a while, but recently have started wanting to mix in functions and properties into them to increase code re-use.  I've read some good resources on the subject, but still am a bit uncertain as to the best...

Is just (simulating) multiple inheritance the only advantage of mixing:   Object.assign( MyClassA.prototype, MyMixinB )   versus inheritance    class MyClass extends MyClassB {   // MyClassB = class version of MyMixinB   in ES6 Javascript?  Thanks...

I'm using Ember CLI 1.13 and I'm attempting to create a router mixin in an addon that binds to the willTransition hook, but the issue I'm encountering is not limited to this event.   At this point the mixin looks like such:  import Ember...

I have created a function in global.function.js file as   function getData(flag) { if (flag === 1) {   return "one";  }  else {   return "not one";  } }   which then is imported using custom-js-import.html element:  <script src=...

I write my CSS with Lesscss using it on client side (with compiler less.js).  There are good examples for guards usage in documentation, but it don't work for me. I can't understand, why...  Code example goes here:  @import "common-functi...

If I create an Object A:  let A = {};   And want to mix in methods from other Objects B and C:  let B = {     foo() {         alert("Boo!");     } }; let C = {     bar() {         alert("No!");     } };   Normally I would call:  Objec...

I got some trouble with compostions and mixin. For examples, lets imagine that we have a AHero and Hero1 object. All heroes can move, so AHero.move() is a thing. And now, at a moment of the dev, I want to add the possibility to stun and beStunned. So...

I want to dynamically set the title of the window for each route, so in each routes: [] child object I have a meta: { title: ... } object.  For example:  routes: [ {   path: 'profile/:id',   name: 'Profile',   component: Profile,   me...