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Tag: reactjs

How to load image files with webpack file-loader

I am using webpack to manage a reactjs project. I want to load images in javascript by webpack file-loader. Below is the webpack.config.js: I used this line to load image files and copy them to dist/public/icons directory and keep the same file name. But I have two problems when using it. When I run webpack command, the image file was

How to detect Esc Key Press in React and how to handle it

How do I detect Esc keypress on reactjs? The similar thing to jquery Once detected I want to pass the info down components. I have 3 components out of which last active component needs to react to the escape key press. I was thinking of a kind of registering when a component becomes active and on all the components I

How can I wait for setState to finish before triggering a function in React?

Here’s my situation: on this.handleFormSubmit() I am executing this.setState() inside this.handleFormSubmit(), I am calling this.findRoutes(); – which depends on the successful completion of this.setState() this.setState(); does not complete before this.findRoutes is called… How do I wait for this.setState() inside of this.handleFormSubmit() to finish before calling this.findRoutes()? A subpar solution: putting this.findRoutes() in componentDidUpdate() this is not acceptable because there will

How to refactor this kind of code to fix codeclimate duplication report?

I use react & flux to develop my frontend web app: So I define the constants like this: /js/constants/AppConstants.js /js/constants/ProductConstants.js This totally works and is correct, then I push these codes to Github (with Codeclimate integration). Codeclimate says: Obviously, we see that this line const KeyMirror = require(‘keymirror’) was defined in 2 different files, and Codeclimate thinks this should be

Getting Redux DevTools To Work

I followed the tutorial, however, am getting the console error: “Error : Expected the reducer to be a function” Here is my ( relevant ) configuration: WEBPACK.CONFIG.JS: INDEX.JS: CONFIGURESTORE.JS: CONFIGURESTORE.DEV.JS: Im not clear on what I am doing wrong. Thanks Answer Having a redux dev tools log monitor over my page was a little bit frustrating. So I found an

JavaScript/React Style Guide Indentation

Is there an agreed-upon convention for indentation in React JSX? 2 spaces, 4 spaces, tabs, etc. Answer You should just use the same indentation as the rest of your javascript code. That said react ecosystem seems to use mostly double spaces so I’d use that for consistency.

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