I have two functions, they do look alike but what I don’t really understand is when inside the for-loop, since the input is an array, why doesn’t the array need any index to call the first array? I have an array of… I’m trying to loop through the array with an input. The result of the …
Author: admin@master
How to handle errors in fetch() responses with Redux-Saga?
I try to handle Unauthorized error from server using redux-saga. This is my saga: I fetch data like this: But anyway result is {type: ‘LOG_IN_SUCCEEDED’, user: undefined} when I expect {type: ‘LOG_IN_FAILED’, error: ‘Unauthorized’}. Where is my mistake? How to handle errors…
Height Animation Hiding :Before Pseudo Element
I’m attempting to create an animated timeline. I’m using scroll reveal to trigger the animation when the timeline comes into view. Each timeline entry has a left border and a pseudo element :before associated with it. The :before element is a dot that marks the beginning of each timeline entry. Wh…
Check if file is completely written with node.js
I need a little bit help how I can handle following task in JavaScript: I have an app, that use Jimp for image processing and node-sprite-generator. That all runs in node.js context. I load a few images to Jimp, make something with the image then write it back to my file system with the nodejs filemodule. The…
Re-export default in ES 6 modules
In ES6, is it possible to shorten the following code. I have an App.js file and an index.js. index.js Something like this index.js Answer If you use proposal-export-default-from Babel plugin (which is a part of stage-1 preset), you’ll be able to re-export default using the following code: For more infor…
jasmine partial string matching
I love the partial object matching that jasmine.objectContaining provides: Is there a jasmine equivalent for strings? something along the lines of: I’d like to look at a specific argument without resorting to assertions off mySpy.calls: Answer There isn’t anything of this sort in Jasmine. But you …
Deprecation warning in Moment.js – Not in a recognized ISO format
I’m getting a warning that a value provided to moment is not in a recognized ISO format. I changed my variable today with the moment function and still it doesn’t work. Here’s the warning error: Deprecation warning: value provided is not in a recognized ISO format. moment construction falls …
Bootstrap multiselect select all options at instanciation
I am using bootstrap multiselect plugin to add dynamically code into an select. Here is my code: Html: Javascript When the multiple select is instancied, it appears as such in the browser (there is some css formatting explaining its aspect): Whereas I would like it to appear as (with all checkbox selected at …
Issues downloading files using Dropbox JavaScript SDK
I am attempting to download a file, to the Webapp itself on the client side, using the Dropbox Javascript SDK. I want to make it clear that I only wish to download a file to a folder in the web app; I understand that due to security concerns this may not actually be possible. I am following the documentation …
How to import .js file inside my .tsx file
I am having an issue where webpack is telling me: ERROR in ./app/app.tsx (4,25): error TS2307: Cannot find module ‘./sample-data’. My imports look like this: And lastly this is my sample-data.js file that I am trying to import: If I change it to sample-data.ts I get told that it isn’t a modu…