I’m working on a project where I need to use a style check for my code. I want to use acorn js, however it fails when trying to parse private class fields and class methods. I’ve tried: However it fails when running. This is the error message: I need to be able to use private class fields and meth…
Tag: javascript
Headroom.js navbrand and navlinks
I am using Headroom.js in my bootstrap website, and so far so good, working fine the way I want. I have a question though: Is there any way to change navbrand and customize navlinks when in “notTop”?! Let me be clearer, When fixed, I use a transparent navbar with a white version of the logo and wh…
Heroku deployment of Node application returns node-waf: not found
I am attempting to deploy my Node.js application to Heroku by connecting Heroku to my Github repository and deploying the master branch. I have tried a number of different approaches to deploy my application but all of them return the same error. The exact build log can be found below: My package.json file ca…
Fetch API: how to determine if an error is a network error
So I have some code like this: Where transform can throw some of its own errors. I’m try to catch for network errors from the fetch API. My question is how do I implement isNetworkError that works across browsers? Note: that this should only return true if the network is offline. It seems like both chro…
[Vue warn]: Invalid prop: type check failed for prop “xxx”. Expected Number with value X, got String with value “X”
App.vue MyComponent.vue All works great until I increase the number un in the numeric textbox: (from initial ‘5’ to ‘6’): Error: vue.runtime.esm.js?2b0e:619 [Vue warn]: Invalid prop: type check failed for prop “daysNumber”. Expected Number with value 6, got String with valu…
To highlight one point in Violin chart PlotlyJS
I am using Violin chart of PlotylyJS library, and it takes an array of elements and plots it on the chart. Is possible if I want to highlight one point with a different color from that array? Like if my array is I want to plot this on the graph but I want the point 65 to be highlighted with
Animating route transitions with CSSTransitionGroup and React-Router v6
I’m starting to use React-Router v6, and running into issues animating route transitions. Both the react-router docs and the react-transition-group docs specify ways that are not compatible with the new v6 api. The primary reason seems to be the removal of the <Switch> component. In react-router@v…
Keep window ratio in electronjs
How can I keep the window width and height aspect ratio in electron? For example, a square shape that can be resized by the user. Answer There’s a win.setAspectRatio API for the BrowserWindow. Note that it’s currently only available on macOS on the latest stable (Electron 8.2.1), but should be ava…
pdf2json parse error in node js application
I am having trouble converting pdf to json format using pdf2json. I want to convert a pdf file into json format using the pdf2json library via nodejs. However, there was no json file in the directory I specified for json, and it did not expire when I put an empty json file. When I run my code in debug mode,
How can I get selected text in pdf in Javascript?
I’m writing a Chrome Extention to manipulate pdf file so I want to get selected text in the pdf. How can I do that. Some thing like that: Answer You can use the internal undocumented commands of the built-in PDF viewer. Here’s an example of a content script: This example assumes you send a message…