I have setup two components parent and child: App.vue //Parent BookForm.vue //child I’ve followed this thread from vue forum for the solution but I cannot retrieve data from child component into parent component. When I console log console.log(bookRef.value) I get undefined. What is the correct way to get child component’s data with typescript and composition api setup tag ? Answer
Tag: typescript
how extract value from calc function in tests
I am trying to create a test in which I want to compare the width of an element after it has been resized by dragging it. The problem is that the resize library returns the width value as The only thing that changes is this percentage value and this is what I want to compare in the test if it
Syntax for extends or implements a plain object
I have this: this syntax doesn’t seem to work. I also tried: but that’s no bueno either, do I really need to use a class or interface, is there not a way to do it inline? Answer Whoops that was dumb, just put the extends on the wrong generic parameter, this is fine: and so is this:
Typescript optional object argument craziness
so I am trying to make a object parameter optional, with optional props, and have a default value at the same time: this works fine, but notice that crazy function definition! Any way to not repeat so much code? Answer I would probably write this like this:
How to add getter with string method inside an object
I have an object called headers. Inside which I want to add certain headers with some random value like: The config paramter is used to client which is used to send http requests. And the randomid is some id generated by a load balancer. So it will we different for every request. We dont want to create a new client
Expected 0 arguments, but got 1 in redux with typescript
So I have an async thunk function in redux: And here is my fetch function in react, it fetches the item by the html id of the event target (an tag): The error is in the fetchItem and it says: Expected 0 arguments, but got 1. I even tried just using: And got the same error. useAppDispatch looks like this:
How to set the type of possible object properties
I have an interface: object properties and methods… the error says that please help me to type correctly I already tried to make another type (keyof IView on string), but again i get error Answer You need to use a generic to make the param type match the value type:
How to read the content of an Axios post response?
When I send the same POST request with a cURL command, I get this as response: When I add the POST request in my code and print it with console.log(“response: “, response); or console.log(“response: “, response.data); , I get this printed How can I see the content of the response printed in my logs? Answer You can use console.log(“response: “,
Object Literal instead of switch
I would like to use object literal instead of switch statement, but i got this error: Element implicitly has an ‘any’ type because expression of type ‘string’ can’t be used to index type ‘{ apple: string[]; orange: string[]; watermelon: string[]; default: void; }’. No index signature with a parameter of type ‘string’ was found on type ‘{ apple: string[]; orange:
JS/TS: Getting access to a value wrapped in a promise?
I have an Object where the key is a stringified object and the value is a Promise that eventually resolves to a font object. I use Promise.all to wait for them all to resolve. After this, I log the object in console and it looks like: I want to enumerate through the object to ensure each postscript name in they