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Author: admin@master

How to add folders in dat.gui?

I’m trying to add folders for a the lights in a three.js project that i copied from a three.js example. But i can’t get it working. I guess i should use f1=add.folder(‘light1’) and then somehow add the parameters to f1 with f1.add(‘intensity’) etc… but how to do this,…

How to disable ESLint in vue-cli?

How do I go about disabling ESlint in project generated with vue-cli? If I remove the loader: ‘eslint’ line it won’t compile, same with setting it to an empty string. I know I can opt out of ESLint during the initialization phase, but how can I disable it after my project has been created? A…

Filter object properties by key in ES6

Let’s say I have an object: I want to create another object by filtering the object above so I have something like. I am looking for a clean way to accomplish this using Es6, so spread operators are available to me. Answer If you have a list of allowed values, you can easily retain them in an object usi…

Angular2 : render a component without its wrapping tag

I am struggling to find a way to do this. In a parent component, the template describes a table and its thead element, but delegates rendering the tbody to another component, like this: Each myResult component renders its own tr tag, basically like so: The reason I’m not putting this directly in the par…

Math.floor VS Math.trunc JavaScript

Background I am making a function that receives a positive number and then rounds the number to the closest integer bellow it. I have been using Math.floor, but recently I discovered Math.trunc. I am aware that both will return the same value, given a positive number, and that they work in completely differen…

RxJs: distinctUntilChanged still emits duplicate values

I have a stream of values that I limit using a lower and upper bound, and to decrease the amount of logging I would like to only emit values if they change. The problem is that the second distinctUntilChanged() in the following snippet still produces duplicates: The RxJs docs state that the filter defaults to…

How to parse JSON string in Typescript

Is there a way to parse strings as JSON in TypeScript? For example in JavaScript, we can use JSON.parse(). Is there a similar function in TypeScript? I have a JSON object string as follows: Answer TypeScript is (a superset of) JavaScript, so you just use JSON.parse as you would in JavaScript: Only that in Typ…