摘要：
So what is a nake type? Example: type UnionToIntersection<T> = (T extends any ? (x: T) => any : never) //... We check Tin a sub-type condition, T exte 阅读全文
posted @ 2022-11-09 02:47
Zhentiw
阅读(40)
评论(0)
推荐(0)
摘要：
Implement Replace<S, From, To> which replace the string From with To once in the given string S For example type replaced = Replace<'types are fun!', 阅读全文
posted @ 2022-11-08 14:45
Zhentiw
阅读(40)
评论(0)
推荐(0)
摘要：
TypeScript 4.0 is recommended in this challenge Currying is the technique of converting a function that takes multiple arguments into a sequence of fu 阅读全文
posted @ 2022-11-08 02:57
Zhentiw
阅读(51)
评论(0)
推荐(0)
摘要：
Implement a simpiled version of a Vue-like typing support. By providing a function name SimpleVue (similar to Vue.extend or defineComponent), it shoul 阅读全文
posted @ 2022-11-08 02:43
Zhentiw
阅读(57)
评论(0)
推荐(0)
摘要：
This utility does not return a transformed type. Instead, it serves as a marker for a contextual this type. Note that the noImplicitThis flag must be 阅读全文
posted @ 2022-11-08 02:34
Zhentiw
阅读(84)
评论(0)
推荐(0)
摘要：
We have the following code which has compile error: async function readData(event?: Event | unknown): Promise<void> { // ... let text: string | undefi 阅读全文
posted @ 2022-11-04 16:00
Zhentiw
阅读(44)
评论(0)
推荐(0)
摘要：
Example: expect(contextSpy.sendEncodedMessage).toHaveBeenCalledWith( expect.objectContaining({ correlationId: expect.objectContaining({ operationId: ' 阅读全文
posted @ 2022-11-03 17:57
Zhentiw
阅读(55)
评论(0)
推荐(0)
摘要：
original code: Using type guards type Ticket = { workshopId: string attendeeId: string discountCode?: string } // this is a type guard function functi 阅读全文
posted @ 2022-11-03 15:35
Zhentiw
阅读(49)
评论(0)
推荐(0)
摘要：
Implement a generic DeepMutable which make every parameter of an object - and its sub-objects recursively - mutable. For example type X = { readonly a 阅读全文
posted @ 2022-11-03 15:11
Zhentiw
阅读(47)
评论(0)
推荐(0)
摘要：
Convert a property of type literal (label type) to a primitive type. For example type X = { name: 'Tom', age: 30, married: false, addr: { home: '12345 阅读全文
posted @ 2022-11-02 14:31
Zhentiw
阅读(26)
评论(0)
推荐(0)
浙公网安备 33010602011771号