TypeScript | Thank you for everyone who contributed to this effort | Canvas library
kandi X-RAY | TypeScript Summary
kandi X-RAY | TypeScript Summary
Thank you for everyone who contributed to this effort. Tone.js was rewritten in typescript as of tone@^14. Please use the latest Tone.js for typescript support.
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QUESTION
I am trying to use dotenv and jest together, and run into an error immediately.
A single test file, tests/authenticationt.test.ts
with only
ANSWER
Answered 2021-Jun-16 at 00:40try require('dotenv').config()
QUESTION
In Typescript, what is the difference between types T1-T4:
...ANSWER
Answered 2021-Jun-15 at 23:46typeof is a way to refer to the type of a value. example:
QUESTION
i'm trying to use public publicRuntimeConfig inside a TypeScript plugin with no success. With JS plugins i have no problems. But now i'm really stuck, i think i don't look at the right place.
The question is how can i access to this config in a TypeScript plugin ?
Here's my nuxt.config.js:
...ANSWER
Answered 2021-Jun-15 at 20:42Nuxt makes the $config
available in two ways: as this.$config
on every component instance, and context.$config
passed to "special nuxt lifecycle areas like asyncData
, fetch
, plugins
, middleware
and nuxtServerInit
" (docs).
It looks like you need to access the $config
outside a component, so you'll need to retrieve it early in the request cycle. In particular, since you're mutating the Vue.prototype
, this feels like a good fit for a plugin in the Nuxt sense, which isn't quite what you've got in your code.
If you put your plugin file in the plugins
directory and reference it from the plugins
array in nuxt.config.js
(see link above for a broader example), you could rewrite it like this to access $config
:
QUESTION
I'm trying to implement a Select component using reactjs material ui and typescript.
However, I am getting the following typing error:
...ANSWER
Answered 2021-Jun-15 at 20:40From what it looks like, options is actually an array of objects rather than just an object. So all you would need to do is map over the options variable. You are currently using Object.keys which is what you use if you are wanting to iterate over the keys in an object.
QUESTION
I was following this tutorial on using React.forwardRef
, where make this component:
ANSWER
Answered 2021-Jun-15 at 20:18Put this at the beginning of your file:
/* eslint-disable react/display-name */
You could also try this:
// eslint-disable-next-line react/display-name
QUESTION
I'm having trouble understanding why TypeScript is inferring a certain type for an array element when the type is a union type and the types 'overlap'. I've reduced it to this minimum repro:
...ANSWER
Answered 2021-Jun-15 at 19:42See microsoft/TypeScript#43667 for a canonical answer. This is a design limitation of TypeScript.
As you might be aware: in TypeScript's structural type system, Child
is a subtype of Base
even though it is not explicitly declared as such. So every value of type Child
is also a value of type Base
(although not vice-versa). That means Child | Base
is equivalent to Base
... although the compiler is not always aggressive about reducing the former to the latter. (Compare this to the behavior with something like "foo" | string
, which is always immediately reduced to string
by the compiler.)
Subtype reduction is often desirable, but there are some places where Child | Base
's behavior is observably different from Base
's, such as excess property checks, IntelliSense hinting, or the sort of unsound type guarding that happens with the in
operator. You haven't shown why it matters to you that you are getting a Base
as opposed to a Child | Base
, but presumably it's one of these observable differences or something like it.
My advice here is first to think carefully about whether or not you really need this distinction. If so, then you might consider preventing Base
from being a subtype of Child
, possibly by adding an optional property to it:
QUESTION
Code available here => https://codesandbox.io/s/sweet-mcclintock-dhczx?file=/pages/index.js
Initial error when trying to use @iconify-icons/cryptocurrency with next.js and typescript (it happens only when in typescript).
...ANSWER
Answered 2021-Mar-26 at 10:09The way the @iconify-icons/cryptocurrency
library is exported means you need to transpile each icon package you use individually.
QUESTION
I'm using Postman to test my JPA delete method and when I test it, it returns a 200 response, but does not actually delete from my DB.
Repo -
...ANSWER
Answered 2021-Jun-15 at 17:21The userId
must be null. That's why there is no delete.
You need to bind the Path Parameters to the method parameters.
So, in the Controller
, change
QUESTION
I want to write a timestamp field into a Firestore document in a typescript project.
...ANSWER
Answered 2021-Jun-15 at 16:36Update 15-June-2021:
For write a new document with set use this:
QUESTION
I have a custom slide toggle component created using Angular Material. I followed this guide: https://material.angular.io/guide/creating-a-custom-form-field-control
Everything seems to be working fine except when I dynamically disable the custom component like this:
...ANSWER
Answered 2021-Jun-11 at 19:49You need to add a formGroup binding to your custom component,
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