Zhentiw - 博客园

2022年11月8日

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(26) 评论(0) 推荐(0) 编辑

[Typescript] 88. Hard - Simple Vue

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(33) 评论(0) 推荐(0) 编辑

[Typescript] ThisType

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(62) 评论(0) 推荐(0) 编辑

2022年11月4日

[Typescript] Function scope in typescript

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(20) 评论(0) 推荐(0) 编辑

2022年11月3日

[Jest] Using Jest toHaveBeenCalledWith for testing primitive data types and partial objects

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(19) 评论(0) 推荐(0) 编辑

[Typescript] Zod in action

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(22) 评论(0) 推荐(0) 编辑

[Typescript] 87. Medium - DeepMutable

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(24) 评论(0) 推荐(0) 编辑

2022年11月2日

[Typescript] 86. Medium - ToPrimitive

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(15) 评论(0) 推荐(0) 编辑

2022年11月1日

[Typescript] 85. Medium - IsInteger

摘要： Please complete type IsInteger<T>, type T inherits from number, if T is an integer return it, otherwise return never. /* _____________ Your Code Here 阅读全文

posted @ 2022-11-01 16:20 Zhentiw 阅读(12) 评论(0) 推荐(0) 编辑

[Typescript] 84. Medium - GetMiddleElement

摘要： Get the middle element of the array by implementing a GetMiddleElement method, represented by an array If the length of the array is odd, return the m 阅读全文

posted @ 2022-11-01 16:04 Zhentiw 阅读(48) 评论(0) 推荐(0) 编辑

Answer1215

公告