Trying to build a discord.js bot I ran into some mental gap. Let’s say I need my console application to be a puppy that does a trick and barks after that. So I would build a subclass for this in this fashion: But this wouldn’t make the application to bark. For that I assume the trick() function wo…
Tag: ecmascript-6
How to duplicate an object in an array by given quantity, ES6 and above
I’m trying to convert an array of objects where i return duplicated objects if the object properties quantity is greater than 1. My code: So my code above does work, does return what i wanted, however i feel like there is a better/smoother and more of ES6 and beyond method. Could anyone please suggest a…
How to add cumulative values in a JSON object in ES6?
I’m trying to add cumulative values in my JSON object. When I tried using reduce it’s summing up all the values of particular key value. How can I achieve my desired output? Sample JSON required output Answer Have a variable to hold the cumulative sum; map each original item to a new one, deconstr…
How to convert string path to JSON parent-child tree using node js?
I have been trying to convert an array of paths to the JSON parent-child tree using node js. I am following @Nenad Vracar answer for building the tree link. I am using the mentioned answer which I have slightly modified. Below is my code: obj: Using that above code my output is like below: I would like to get…
Import and execute all files on folder with es6
I am migrating some node ES5 node code to Typescript. I need to port these two pieces of code where I iterate through all the files in a directory and call the default function these files are exporting. How would I do that in Typescript or ES6? models/index.js index.js Answer You can do this with dynamic imp…
Defining listener function inside function
When I define a function outside the function, I cannot access the glide parameter: Hence, I have did something like that: I want to know if it is hack or good practice? Is there more convenient way for doing this. Answer Having the function outside is better. Mainly for readability and testing, but if your f…
Using map on a key/value hash treats it like a string
When I do I get where I was hoping for https://jsfiddle.net/ebvo23ks/ Question Can anyone figure out what I am doing wrong? Answer You’ll need to add a newline (rn) after each map() iteration. Use join() on the map() result; Result; Edit; the source of the , was due your trying to ‘insert’ a…
Concatenating child array to parent
Right now I have an array of object with children that also have an array of objects. I want to extract the children array and concat them to the parent array like below. What are someways to do this. I’m currently looping though the child array creating a new array checking if it’s not empty. It …
Resolving an array or promises and getting the result
I’m attempting to map and format data to render it into a table. I have an array of promises that I’m attempting to resolve with Promise.all(). but it seems to not be returning the result of the promise. my code is as follows: my data copy variable only returns as : where the result is the correct…
ES6 modules – imported constants undefined if not in React component
The only similar question I have found is this one but I can’t see how would I have caused a circular dependancy in this case: I have a file exporting constants like so: (choices array version is for using in Select inputs and the other one secures from typing errors in condition checks) payments.consta…