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### Reproduction link or steps
Search `@ts-expect-error` in our codebase.
### What is expected?
Replace it, if it is misused before.
### What is actually happening?
above
### System Info
```She…
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Hello friends,
Today I faced an issue with GraphQL in my React.js project. What I tried to do is refetch a query once a mutation is completed. My codebase is as below
```javascript
const getUse…
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This feature is to support type checks for provider arguments.
The technical possibility to implement it comes with Python 3.10 `ParamSpec` feature. Details: [PEP 612: Parameter Specification Varia…
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TypeScript should have a way to embed (type) namespaces. In the following case, assigned (embeded) namespace NS.A should have a C type.
**TypeScript Version:** master
**Code**
``` ts
namespace NS_…
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Hello!
I've written TypeScript type definitions and am submitting them to DefinitelyTyped: DefinitelyTyped/DefinitelyTyped#24227
I just wanted to notify here in case you would like to review and t…
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### Prerequisites
- [X] I have written a descriptive issue title
- [X] I have searched existing issues to ensure the bug has not already been reported
### Fastify version
4.21.0
### Plugin versio…
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阅读vue源码的时候发现有TypeScript,一脸懵逼,因此需要入个门。
新公司工作中需要用到TypeScript,学习过程中遇到一些疑惑,做了记录。
- ts类型中的?,意思是什么?
- 什么是duck typing?
- constructor之前的变量定义是什么?
- declare是什么?
- ts中unknown, void, null和undefined,never区…
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```ts
interface Change {
uid: string;
type: string;
}
interface SomeChangeExtension {
type: 'some';
foo: number;
}
interface SomeChange extends Change, SomeChangeExtension { }
``…
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## 使用技巧
- 定义对象的任意键名的值为指定类型
```ts
// key 为变量,类型为 string,对应的属性值为 number 类型
// 即 option 的所有属性键值均为 number 类型,除非形如 age 键名,另外特别指定类型
interface option {
[key: string]: number
age: number
}
``…
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### Motivation
Because JavaScript is dynamically typed, it often mixes and matches types in a way which violates static type checking.
For example, consider this TypeScript function:
```ts
f…
Pauan updated
4 years ago