随笔分类 - TypeScript
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!',
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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
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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
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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
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摘要：We have the following code which has compile error: async function readData(event?: Event | unknown): Promise<void> { // ... let text: string | undefi
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摘要：original code: Using type guards type Ticket = { workshopId: string attendeeId: string discountCode?: string } // this is a type guard function functi
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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
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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
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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
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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
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摘要：Given an array of unique elements, return all possible subsequences. A subsequence is a sequence that can be derived from an array by deleting some or
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摘要：Given an array of strings, do Permutation & Combination. It's also useful for the prop types like video controlsList // expected to be `"foo" | "bar"
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摘要：Zod Example: number: import { expect, it } from "vitest"; import { z } from "zod"; const numberParser = z.number(); export const toString = (num: unkn
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摘要：Sometimes we want to limit the range of numbers... For examples. type result = NumberRange<2 , 9> // | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 /* _____________
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摘要：Construct a tuple with a given length. For example type result = ConstructTuple<2> // expect to be [unknown, unkonwn] /* _____________ Your Code Here
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摘要：Implement MapTypes<T, R> which will transform types in object T to different types defined by type R which has the following structure type StringToNu
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摘要：Implement the type version of Lodash.uniq, Unique takes an Array T, returns the Array T without repeated values. type Res = Unique<[1, 1, 2, 2, 3, 3]>
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摘要：Implement the built-in Parameters generic without using it. For example: const foo = (arg1: string, arg2: number): void => {} type FunctionParamsType
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摘要：Implement the type version of Array.unshift For example: type Result = Unshift<[1, 2], 0> // [0, 1, 2,] /* _____________ Your Code Here _____________
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摘要：Implement the generic version of Array.push For example: type Result = Push<[1, 2], '3'> // [1, 2, '3'] /* _____________ Your Code Here _____________
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