Why don’t you try using Context? You can declare a global context variable in any of the parent components and this variable will be accessible across the component tree by this.context.varname. You only have to specify childContextTypes and getChildContext in the parent component and thereafter you can use/modify this from any component by just specifying contextTypes in the child component. However, please take … Read more
You can post axios data by using FormData() like: And then add the fields to the form you want to send: If you are uploading images, you may want to use .append And then you can use axios post method (You can amend it accordingly) Related GitHub issue: Can’t get a .post with ‘Content-Type’: ‘multipart/form-data’ … Read more
Isomorphic: “corresponding or similar in form or relations”. With regard to web apps, this means that the server is somehow similar to the client – in the sense that the server is capable of rendering as much as the client. In a way, isomorphic web apps are a return to the old paradigm where the … Read more
Since the original solution was provided for very early version of react, here is an update:
You need to pass an array of element to jsx. The problem is that forEach does not return anything (i.e it returns undefined). So it’s better to use map because map returns an array:
You are passing hello() as a string, also hello() means execute hello immediately. try
Try this, which is way cleaner too: Get that switch out of the render in a function and just call it passing the params you want. For example:
Also using Babel, Typescript and Jest. Had the same failure, driving me crazy for hours. Ended up creating a new babel.config.js file specifically for the tests. Had a large .babelrc that wasn’t getting picked up by jest no matter what i did to it. Main app still uses the .babelrc as this overrides babel.config.js files. Install jest, ts-jest and babel-jest: babel.config.js (only used by … Read more
You can use useEffect/useLayoutEffect to achieve this: More about it over here. If you are looking for an out of the box solution, check out this custom hook that works like useState but accepts as second parameter a callback function:
You can use useEffect/useLayoutEffect to achieve this: More about it over here. If you are looking for an out of the box solution, check out this custom hook that works like useState but accepts as second parameter a callback function: