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fix: typo

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Anthony Fu 2020-09-03 22:34:58 +08:00
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4
questions/10-medium-tuple-to-union/README.md
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@ -1,4 +1,4 @@
<!--info-header-start--><h1>Tuple to Union <img src="https://img.shields.io/badge/-medium-eaa648" alt="medium"/> <img src="https://img.shields.io/badge/-%23infer-999" alt="#infer"/> <img src="https://img.shields.io/badge/-%23tuple-999" alt="#tuple"/> <img src="https://img.shields.io/badge/-%23union-999" alt="#union"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org//10/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
<!--info-header-start--><h1>Tuple to Union <img src="https://img.shields.io/badge/-medium-eaa648" alt="medium"/> <img src="https://img.shields.io/badge/-%23infer-999" alt="#infer"/> <img src="https://img.shields.io/badge/-%23tuple-999" alt="#tuple"/> <img src="https://img.shields.io/badge/-%23union-999" alt="#union"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org/10/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
Implement a generic `TupleToUnion<T>` which covers the values of a tuple to its values union.
@ -10,4 +10,4 @@ type Arr = ['1', '2', '3']
const a: TupleToUnion<Arr> // expected to be '1' | '2' | '3'
```
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4
questions/11-easy-tuple-to-object/README.md
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@ -1,4 +1,4 @@
<!--info-header-start--><h1>Tuple to Object <img src="https://img.shields.io/badge/-easy-90bb12" alt="easy"/> </h1><blockquote><p>by sinoon <a href="https://github.com/sinoon" target="_blank">@sinoon</a></p></blockquote><p><a href="https://tsch.js.org//11/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
<!--info-header-start--><h1>Tuple to Object <img src="https://img.shields.io/badge/-easy-90bb12" alt="easy"/> </h1><blockquote><p>by sinoon <a href="https://github.com/sinoon" target="_blank">@sinoon</a></p></blockquote><p><a href="https://tsch.js.org/11/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
Given an array, transform to a object type and the key/value must in the given array.
@ -10,4 +10,4 @@ const tuple = ['tesla', 'model 3', 'model X', 'model Y'] as const
const result: TupleToObject<tuple> // expected { tesla: 'tesla', 'model 3': 'model 3', 'model X': 'model X', 'model Y': 'model Y'}
```
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4
questions/12-medium-chainable-options/README.md
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@ -1,4 +1,4 @@
<!--info-header-start--><h1>Chainable Options <img src="https://img.shields.io/badge/-medium-eaa648" alt="medium"/> <img src="https://img.shields.io/badge/-%23application-999" alt="#application"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org//12/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> &nbsp;&nbsp;&nbsp;<a href="./README.zh-CN.md" target="_blank"><img src="https://img.shields.io/badge/-%E7%AE%80%E4%BD%93%E4%B8%AD%E6%96%87-gray" alt="简体中文"/></a> </p><!--info-header-end-->
<!--info-header-start--><h1>Chainable Options <img src="https://img.shields.io/badge/-medium-eaa648" alt="medium"/> <img src="https://img.shields.io/badge/-%23application-999" alt="#application"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org/12/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> &nbsp;&nbsp;&nbsp;<a href="./README.zh-CN.md" target="_blank"><img src="https://img.shields.io/badge/-%E7%AE%80%E4%BD%93%E4%B8%AD%E6%96%87-gray" alt="简体中文"/></a> </p><!--info-header-end-->
Chainable options are commonly used in Javascript. But when we switch to Typescript, can you properly type it?
@ -29,4 +29,4 @@ You don't need to write any js/ts logic to handle the problem - just in type lev
You can assume that `key` only accept `string` and the `value` and be anything - just leave it as-is. Same `key` won't be passed twice.
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4
questions/12-medium-chainable-options/README.zh-CN.md
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@ -1,4 +1,4 @@
<!--info-header-start--><h1>可串联构造器 <img src="https://img.shields.io/badge/-%E4%B8%AD%E7%AD%89-eaa648" alt="中等"/> <img src="https://img.shields.io/badge/-%23application-999" alt="#application"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org//12/play/zh-CN" target="_blank"><img src="https://img.shields.io/badge/-%E6%8E%A5%E5%8F%97%E6%8C%91%E6%88%98-3178c6?logo=typescript" alt="接受挑战"/></a> &nbsp;&nbsp;&nbsp;<a href="./README.md" target="_blank"><img src="https://img.shields.io/badge/-English-gray" alt="English"/></a> </p><!--info-header-end-->
<!--info-header-start--><h1>可串联构造器 <img src="https://img.shields.io/badge/-%E4%B8%AD%E7%AD%89-eaa648" alt="中等"/> <img src="https://img.shields.io/badge/-%23application-999" alt="#application"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org/12/play/zh-CN" target="_blank"><img src="https://img.shields.io/badge/-%E6%8E%A5%E5%8F%97%E6%8C%91%E6%88%98-3178c6?logo=typescript" alt="接受挑战"/></a> &nbsp;&nbsp;&nbsp;<a href="./README.md" target="_blank"><img src="https://img.shields.io/badge/-English-gray" alt="English"/></a> </p><!--info-header-end-->
在 JavaScript 中我们很常会使用可串联（Chainable/Pipeline）的函数构造一个对象，但在 TypeScript 中，你能合理的给他附上类型吗？
@ -29,4 +29,4 @@ interface Result {
你可以假设 `key` 只接受字符串而 `value` 接受任何类型，你只需要暴露它传递的类型而不需要进行任何处理。同样的 `key` 只会被使用一次。
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4
questions/13-warm-hello-world/README.md
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@ -1,4 +1,4 @@
<!--info-header-start--><h1>Hello World <img src="https://img.shields.io/badge/-warm--up-teal" alt="warm-up"/> </h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org//13/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> &nbsp;&nbsp;&nbsp;<a href="./README.zh-CN.md" target="_blank"><img src="https://img.shields.io/badge/-%E7%AE%80%E4%BD%93%E4%B8%AD%E6%96%87-gray" alt="简体中文"/></a> </p><!--info-header-end-->
<!--info-header-start--><h1>Hello World <img src="https://img.shields.io/badge/-warm--up-teal" alt="warm-up"/> </h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org/13/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> &nbsp;&nbsp;&nbsp;<a href="./README.zh-CN.md" target="_blank"><img src="https://img.shields.io/badge/-%E7%AE%80%E4%BD%93%E4%B8%AD%E6%96%87-gray" alt="简体中文"/></a> </p><!--info-header-end-->
Hello, World!
@ -16,4 +16,4 @@ type test = Expect<Equal<HelloWorld, string>>
Click the `Take the Challenge` button to start coding! Happy Hacking!
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4
questions/13-warm-hello-world/README.zh-CN.md
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@ -1,4 +1,4 @@
<!--info-header-start--><h1>Hello World <img src="https://img.shields.io/badge/-%E7%83%AD%E8%BA%AB-teal" alt="热身"/> </h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org//13/play/zh-CN" target="_blank"><img src="https://img.shields.io/badge/-%E6%8E%A5%E5%8F%97%E6%8C%91%E6%88%98-3178c6?logo=typescript" alt="接受挑战"/></a> &nbsp;&nbsp;&nbsp;<a href="./README.md" target="_blank"><img src="https://img.shields.io/badge/-English-gray" alt="English"/></a> </p><!--info-header-end-->
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Hello, World!
@ -18,4 +18,4 @@ type test = Expect<Equal<HelloWorld, string>>
点击上方的 `接受挑战` 开始编码！旅途愉快！
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4
questions/14-easy-first/README.md
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@ -1,4 +1,4 @@
<!--info-header-start--><h1>First of Array <img src="https://img.shields.io/badge/-easy-90bb12" alt="easy"/> <img src="https://img.shields.io/badge/-%23array-999" alt="#array"/> <img src="https://img.shields.io/badge/-%234.0-999" alt="#4.0"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org//14/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
<!--info-header-start--><h1>First of Array <img src="https://img.shields.io/badge/-easy-90bb12" alt="easy"/> <img src="https://img.shields.io/badge/-%23array-999" alt="#array"/> <img src="https://img.shields.io/badge/-%234.0-999" alt="#4.0"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org/14/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
Implement a generic `First<T>` that takes an Array `T` and returns it's first element's type.
@ -13,4 +13,4 @@ type head1 = First<arr1> // expected to be 'a'
type head2 = First<arr2> // expected to be 3
```
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4
questions/15-medium-last/README.md
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@ -1,4 +1,4 @@
<!--info-header-start--><h1>Last of Array <img src="https://img.shields.io/badge/-medium-eaa648" alt="medium"/> <img src="https://img.shields.io/badge/-%23array-999" alt="#array"/> <img src="https://img.shields.io/badge/-%234.0-999" alt="#4.0"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org//15/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
<!--info-header-start--><h1>Last of Array <img src="https://img.shields.io/badge/-medium-eaa648" alt="medium"/> <img src="https://img.shields.io/badge/-%23array-999" alt="#array"/> <img src="https://img.shields.io/badge/-%234.0-999" alt="#4.0"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org/15/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
> TypeScript 4.0 is recommended in this challenge
@ -14,4 +14,4 @@ type tail1 = Last<arr1> // expected to be 'c'
type tail2 = Last<arr2> // expected to be 1
```
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4
questions/16-medium-pop/README.md
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@ -1,4 +1,4 @@
<!--info-header-start--><h1>Pop <img src="https://img.shields.io/badge/-medium-eaa648" alt="medium"/> <img src="https://img.shields.io/badge/-%23array-999" alt="#array"/> <img src="https://img.shields.io/badge/-%234.0-999" alt="#4.0"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org//16/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
<!--info-header-start--><h1>Pop <img src="https://img.shields.io/badge/-medium-eaa648" alt="medium"/> <img src="https://img.shields.io/badge/-%23array-999" alt="#array"/> <img src="https://img.shields.io/badge/-%234.0-999" alt="#4.0"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org/16/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
> TypeScript 4.0 is recommended in this challenge
@ -16,4 +16,4 @@ type re2 = Pop<arr2> // expected to be [3, 2]
**Extra**: Similarly, can you implement `Shift`, `Push` and `Unshift` as well?
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4
questions/17-hard-currying-1/README.md
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@ -1,4 +1,4 @@
<!--info-header-start--><h1>Currying 1 <img src="https://img.shields.io/badge/-hard-red" alt="hard"/> <img src="https://img.shields.io/badge/-%23array-999" alt="#array"/> <img src="https://img.shields.io/badge/-%234.0-999" alt="#4.0"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org//17/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
<!--info-header-start--><h1>Currying 1 <img src="https://img.shields.io/badge/-hard-red" alt="hard"/> <img src="https://img.shields.io/badge/-%23array-999" alt="#array"/> <img src="https://img.shields.io/badge/-%234.0-999" alt="#4.0"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org/17/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
> TypeScript 4.0 is recommended in this challenge
@ -21,4 +21,4 @@ In this challenge, the curried function only accept one argument at a time. Once
**Extra**: Similarly, can you implement `Shift`, `Push` and `Unshift` as well?
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4
questions/18-easy-tuple-length/README.md
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@ -1,4 +1,4 @@
<!--info-header-start--><h1>Length of Tuple <img src="https://img.shields.io/badge/-easy-90bb12" alt="easy"/> <img src="https://img.shields.io/badge/-%23tuple-999" alt="#tuple"/></h1><blockquote><p>by sinoon <a href="https://github.com/sinoon" target="_blank">@sinoon</a></p></blockquote><p><a href="https://tsch.js.org//18/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
<!--info-header-start--><h1>Length of Tuple <img src="https://img.shields.io/badge/-easy-90bb12" alt="easy"/> <img src="https://img.shields.io/badge/-%23tuple-999" alt="#tuple"/></h1><blockquote><p>by sinoon <a href="https://github.com/sinoon" target="_blank">@sinoon</a></p></blockquote><p><a href="https://tsch.js.org/18/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
For given a tuple, you need create a generic `Length`, pick the length of the tuple
@ -12,4 +12,4 @@ type teslaLength = Length<typeof tesla> // expected 4
type spaceXLength = Length<typeof spaceX> // expected 5
```
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4
questions/2-medium-return-type/README.md
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<!--info-header-start--><h1>Get Return Type <img src="https://img.shields.io/badge/-medium-eaa648" alt="medium"/> <img src="https://img.shields.io/badge/-%23infer-999" alt="#infer"/> <img src="https://img.shields.io/badge/-%23built--in-999" alt="#built-in"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org//2/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> &nbsp;&nbsp;&nbsp;<a href="./README.zh-CN.md" target="_blank"><img src="https://img.shields.io/badge/-%E7%AE%80%E4%BD%93%E4%B8%AD%E6%96%87-gray" alt="简体中文"/></a> </p><!--info-header-end-->
<!--info-header-start--><h1>Get Return Type <img src="https://img.shields.io/badge/-medium-eaa648" alt="medium"/> <img src="https://img.shields.io/badge/-%23infer-999" alt="#infer"/> <img src="https://img.shields.io/badge/-%23built--in-999" alt="#built-in"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org/2/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> &nbsp;&nbsp;&nbsp;<a href="./README.zh-CN.md" target="_blank"><img src="https://img.shields.io/badge/-%E7%AE%80%E4%BD%93%E4%B8%AD%E6%96%87-gray" alt="简体中文"/></a> </p><!--info-header-end-->
Implement the built-in `ReturnType<T>` generic without using it.
@ -15,4 +15,4 @@ const fn = (v: boolean) => {
type a = MyReturnType<typeof fn> // should be "1 | 2"
```
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4
questions/2-medium-return-type/README.zh-CN.md
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@ -1,4 +1,4 @@
<!--info-header-start--><h1>获取函数返回类型 <img src="https://img.shields.io/badge/-%E4%B8%AD%E7%AD%89-eaa648" alt="中等"/> <img src="https://img.shields.io/badge/-%23infer-999" alt="#infer"/> <img src="https://img.shields.io/badge/-%23built--in-999" alt="#built-in"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org//2/play/zh-CN" target="_blank"><img src="https://img.shields.io/badge/-%E6%8E%A5%E5%8F%97%E6%8C%91%E6%88%98-3178c6?logo=typescript" alt="接受挑战"/></a> &nbsp;&nbsp;&nbsp;<a href="./README.md" target="_blank"><img src="https://img.shields.io/badge/-English-gray" alt="English"/></a> </p><!--info-header-end-->
<!--info-header-start--><h1>获取函数返回类型 <img src="https://img.shields.io/badge/-%E4%B8%AD%E7%AD%89-eaa648" alt="中等"/> <img src="https://img.shields.io/badge/-%23infer-999" alt="#infer"/> <img src="https://img.shields.io/badge/-%23built--in-999" alt="#built-in"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org/2/play/zh-CN" target="_blank"><img src="https://img.shields.io/badge/-%E6%8E%A5%E5%8F%97%E6%8C%91%E6%88%98-3178c6?logo=typescript" alt="接受挑战"/></a> &nbsp;&nbsp;&nbsp;<a href="./README.md" target="_blank"><img src="https://img.shields.io/badge/-English-gray" alt="English"/></a> </p><!--info-header-end-->
不使用 `ReturnType` 实现 TypeScript 的 `ReturnType<T>` 范型。
@ -15,4 +15,4 @@ const fn = (v: boolean) => {
type a = MyReturnType<typeof fn> // 应推导出 "1 | 2"
```
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4
questions/3-medium-omit/README.md
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@ -1,4 +1,4 @@
<!--info-header-start--><h1>Omit&lt;T, K&gt; <img src="https://img.shields.io/badge/-medium-eaa648" alt="medium"/> <img src="https://img.shields.io/badge/-%23union-999" alt="#union"/> <img src="https://img.shields.io/badge/-%23built--in-999" alt="#built-in"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org//3/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> &nbsp;&nbsp;&nbsp;<a href="./README.zh-CN.md" target="_blank"><img src="https://img.shields.io/badge/-%E7%AE%80%E4%BD%93%E4%B8%AD%E6%96%87-gray" alt="简体中文"/></a> </p><!--info-header-end-->
<!--info-header-start--><h1>Omit&lt;T, K&gt; <img src="https://img.shields.io/badge/-medium-eaa648" alt="medium"/> <img src="https://img.shields.io/badge/-%23union-999" alt="#union"/> <img src="https://img.shields.io/badge/-%23built--in-999" alt="#built-in"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org/3/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> &nbsp;&nbsp;&nbsp;<a href="./README.zh-CN.md" target="_blank"><img src="https://img.shields.io/badge/-%E7%AE%80%E4%BD%93%E4%B8%AD%E6%96%87-gray" alt="简体中文"/></a> </p><!--info-header-end-->
Implement the built-in `Omit<T, K>` generic without using it.
@ -20,4 +20,4 @@ const todo: TodoPreview = {
}
```
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4
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@ -1,4 +1,4 @@
<!--info-header-start--><h1>实现 Omit&lt;T, K&gt; <img src="https://img.shields.io/badge/-%E4%B8%AD%E7%AD%89-eaa648" alt="中等"/> <img src="https://img.shields.io/badge/-%23union-999" alt="#union"/> <img src="https://img.shields.io/badge/-%23built--in-999" alt="#built-in"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org//3/play/zh-CN" target="_blank"><img src="https://img.shields.io/badge/-%E6%8E%A5%E5%8F%97%E6%8C%91%E6%88%98-3178c6?logo=typescript" alt="接受挑战"/></a> &nbsp;&nbsp;&nbsp;<a href="./README.md" target="_blank"><img src="https://img.shields.io/badge/-English-gray" alt="English"/></a> </p><!--info-header-end-->
<!--info-header-start--><h1>实现 Omit&lt;T, K&gt; <img src="https://img.shields.io/badge/-%E4%B8%AD%E7%AD%89-eaa648" alt="中等"/> <img src="https://img.shields.io/badge/-%23union-999" alt="#union"/> <img src="https://img.shields.io/badge/-%23built--in-999" alt="#built-in"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org/3/play/zh-CN" target="_blank"><img src="https://img.shields.io/badge/-%E6%8E%A5%E5%8F%97%E6%8C%91%E6%88%98-3178c6?logo=typescript" alt="接受挑战"/></a> &nbsp;&nbsp;&nbsp;<a href="./README.md" target="_blank"><img src="https://img.shields.io/badge/-English-gray" alt="English"/></a> </p><!--info-header-end-->
不使用 `Omit` 实现 TypeScript 的 `Omit<T, K>` 范型。
@ -20,4 +20,4 @@ const todo: TodoPreview = {
}
```
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4
questions/4-easy-pick/README.md
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@ -1,4 +1,4 @@
<!--info-header-start--><h1>Pick&lt;T, K&gt; <img src="https://img.shields.io/badge/-easy-90bb12" alt="easy"/> <img src="https://img.shields.io/badge/-%23union-999" alt="#union"/> <img src="https://img.shields.io/badge/-%23built--in-999" alt="#built-in"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org//4/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
<!--info-header-start--><h1>Pick&lt;T, K&gt; <img src="https://img.shields.io/badge/-easy-90bb12" alt="easy"/> <img src="https://img.shields.io/badge/-%23union-999" alt="#union"/> <img src="https://img.shields.io/badge/-%23built--in-999" alt="#built-in"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org/4/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
Implement the built-in `Pick<T, K>` generic without using it.
@ -21,4 +21,4 @@ const todo: TodoPreview = {
}
```
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4
questions/43-easy-exclude/README.md
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@ -1,7 +1,7 @@
<!--info-header-start--><h1>Exclude <img src="https://img.shields.io/badge/-easy-90bb12" alt="easy"/> <img src="https://img.shields.io/badge/-%23built--in-999" alt="#built-in"/></h1><blockquote><p>by Zheeeng <a href="https://github.com/zheeeng" target="_blank">@zheeeng</a></p></blockquote><p><a href="https://tsch.js.org//43/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
<!--info-header-start--><h1>Exclude <img src="https://img.shields.io/badge/-easy-90bb12" alt="easy"/> <img src="https://img.shields.io/badge/-%23built--in-999" alt="#built-in"/></h1><blockquote><p>by Zheeeng <a href="https://github.com/zheeeng" target="_blank">@zheeeng</a></p></blockquote><p><a href="https://tsch.js.org/43/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
Implement the built-in Exclude<T, U>
> Exclude from T those types that are assignable to U
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4
questions/5-extreme-readonly-keys/README.md
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@ -1,4 +1,4 @@
<!--info-header-start--><h1>Get Readonly Keys <img src="https://img.shields.io/badge/-extreme-b11b8d" alt="extreme"/> <img src="https://img.shields.io/badge/-%23utils-999" alt="#utils"/> <img src="https://img.shields.io/badge/-%23object--keys-999" alt="#object-keys"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org//5/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
<!--info-header-start--><h1>Get Readonly Keys <img src="https://img.shields.io/badge/-extreme-b11b8d" alt="extreme"/> <img src="https://img.shields.io/badge/-%23utils-999" alt="#utils"/> <img src="https://img.shields.io/badge/-%23object--keys-999" alt="#object-keys"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org/5/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
Implement a generic `GetReadonlyKeys<T>` that returns a union of the readonly keys of an Object.
@ -14,4 +14,4 @@ interface Todo {
type Keys = GetReadonlyKeys<Todo> // expected to be "title" | "description"
```
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4
questions/55-hard-union-to-intersection/README.md
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@ -1,4 +1,4 @@
<!--info-header-start--><h1>Union to Intersection <img src="https://img.shields.io/badge/-hard-red" alt="hard"/> <img src="https://img.shields.io/badge/-%23utils-999" alt="#utils"/> <img src="https://img.shields.io/badge/-%23infer-999" alt="#infer"/></h1><blockquote><p>by Zheeeng <a href="https://github.com/zheeeng" target="_blank">@zheeeng</a></p></blockquote><p><a href="https://tsch.js.org//55/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
<!--info-header-start--><h1>Union to Intersection <img src="https://img.shields.io/badge/-hard-red" alt="hard"/> <img src="https://img.shields.io/badge/-%23utils-999" alt="#utils"/> <img src="https://img.shields.io/badge/-%23infer-999" alt="#infer"/></h1><blockquote><p>by Zheeeng <a href="https://github.com/zheeeng" target="_blank">@zheeeng</a></p></blockquote><p><a href="https://tsch.js.org/55/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
Implement the advanced util type `UnionToIntersection<U>`
@ -9,4 +9,4 @@ type I = Union2Intersection<'foo' | 42 | true> // expected to be 'foo' & 42 & tr
```
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4
questions/57-hard-get-required/README.md
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@ -1,4 +1,4 @@
<!--info-header-start--><h1>Get Required <img src="https://img.shields.io/badge/-hard-red" alt="hard"/> <img src="https://img.shields.io/badge/-%23utils-999" alt="#utils"/> <img src="https://img.shields.io/badge/-%23infer-999" alt="#infer"/></h1><blockquote><p>by Zheeeng <a href="https://github.com/zheeeng" target="_blank">@zheeeng</a></p></blockquote><p><a href="https://tsch.js.org//57/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
<!--info-header-start--><h1>Get Required <img src="https://img.shields.io/badge/-hard-red" alt="hard"/> <img src="https://img.shields.io/badge/-%23utils-999" alt="#utils"/> <img src="https://img.shields.io/badge/-%23infer-999" alt="#infer"/></h1><blockquote><p>by Zheeeng <a href="https://github.com/zheeeng" target="_blank">@zheeeng</a></p></blockquote><p><a href="https://tsch.js.org/57/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
Implement the advanced util type `GetRequired<T>`, which remains all the required fields
@ -9,4 +9,4 @@ type I = GetRequired<{ foo: number, bar?: string }> // expected to be { foo: num
```
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4
questions/59-hard-get-optional/README.md
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@ -1,4 +1,4 @@
<!--info-header-start--><h1>Get Optional <img src="https://img.shields.io/badge/-hard-red" alt="hard"/> <img src="https://img.shields.io/badge/-%23utils-999" alt="#utils"/> <img src="https://img.shields.io/badge/-%23infer-999" alt="#infer"/></h1><blockquote><p>by Zheeeng <a href="https://github.com/zheeeng" target="_blank">@zheeeng</a></p></blockquote><p><a href="https://tsch.js.org//59/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
<!--info-header-start--><h1>Get Optional <img src="https://img.shields.io/badge/-hard-red" alt="hard"/> <img src="https://img.shields.io/badge/-%23utils-999" alt="#utils"/> <img src="https://img.shields.io/badge/-%23infer-999" alt="#infer"/></h1><blockquote><p>by Zheeeng <a href="https://github.com/zheeeng" target="_blank">@zheeeng</a></p></blockquote><p><a href="https://tsch.js.org/59/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
Implement the advanced util type `GetOptional<T>`, which remains all the optional fields
@ -9,4 +9,4 @@ type I = GetOptional<{ foo: number, bar?: string }> // expected to be { bar?: st
```
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4
questions/6-hard-simple-vue/README.md
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@ -1,4 +1,4 @@
<!--info-header-start--><h1>Simple Vue <img src="https://img.shields.io/badge/-hard-red" alt="hard"/> <img src="https://img.shields.io/badge/-%23this-999" alt="#this"/> <img src="https://img.shields.io/badge/-%23application-999" alt="#application"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org//6/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
<!--info-header-start--><h1>Simple Vue <img src="https://img.shields.io/badge/-hard-red" alt="hard"/> <img src="https://img.shields.io/badge/-%23this-999" alt="#this"/> <img src="https://img.shields.io/badge/-%23application-999" alt="#application"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org/6/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
Implement a simpiled version of a Vue-like typing support.
@ -36,4 +36,4 @@ const instance = SimpleVue({
})
```
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4
questions/62-medium-type-lookup/README.md
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@ -1,4 +1,4 @@
<!--info-header-start--><h1>Type Lookup <img src="https://img.shields.io/badge/-medium-eaa648" alt="medium"/> <img src="https://img.shields.io/badge/-%23union-999" alt="#union"/> <img src="https://img.shields.io/badge/-%23map-999" alt="#map"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org//62/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
<!--info-header-start--><h1>Type Lookup <img src="https://img.shields.io/badge/-medium-eaa648" alt="medium"/> <img src="https://img.shields.io/badge/-%23union-999" alt="#union"/> <img src="https://img.shields.io/badge/-%23map-999" alt="#map"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org/62/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
Sometimes, you may want to lookup for a type in a union to by their attributes.
@ -20,4 +20,4 @@ const MyDog = LookUp<Cat | Dog, 'dog'> // expected to be `Dog`
```
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<!--info-footer-start--><br><a href="../../README.md" target="_blank"><img src="https://img.shields.io/badge/-Back-grey" alt="Back"/></a> <a href="https://tsch.js.org/62/answer" target="_blank"><img src="https://img.shields.io/badge/-Share%20your%20Solutions-teal" alt="Share your Solutions"/></a> <a href="https://tsch.js.org/62/solutions" target="_blank"><img src="https://img.shields.io/badge/-Check%20out%20Solutions-de5a77?logo=awesome-lists&logoColor=white" alt="Check out Solutions"/></a> <!--info-footer-end-->

4
questions/7-easy-readonly/README.md
View File

@ -1,4 +1,4 @@
<!--info-header-start--><h1>Readonly&lt;T&gt; <img src="https://img.shields.io/badge/-easy-90bb12" alt="easy"/> <img src="https://img.shields.io/badge/-%23built--in-999" alt="#built-in"/> <img src="https://img.shields.io/badge/-%23readonly-999" alt="#readonly"/> <img src="https://img.shields.io/badge/-%23object--keys-999" alt="#object-keys"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org//7/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
<!--info-header-start--><h1>Readonly&lt;T&gt; <img src="https://img.shields.io/badge/-easy-90bb12" alt="easy"/> <img src="https://img.shields.io/badge/-%23built--in-999" alt="#built-in"/> <img src="https://img.shields.io/badge/-%23readonly-999" alt="#readonly"/> <img src="https://img.shields.io/badge/-%23object--keys-999" alt="#object-keys"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org/7/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
Implement the built-in `Readonly<T>` generic without using it.
@ -22,4 +22,4 @@ todo.title = "Hello" // Error: cannot reassign a readonly property
todo.description = "barFoo" // Error: cannot reassign a readonly property
```
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<!--info-footer-start--><br><a href="../../README.md" target="_blank"><img src="https://img.shields.io/badge/-Back-grey" alt="Back"/></a> <a href="https://tsch.js.org/7/answer" target="_blank"><img src="https://img.shields.io/badge/-Share%20your%20Solutions-teal" alt="Share your Solutions"/></a> <a href="https://tsch.js.org/7/solutions" target="_blank"><img src="https://img.shields.io/badge/-Check%20out%20Solutions-de5a77?logo=awesome-lists&logoColor=white" alt="Check out Solutions"/></a> <hr><h3>Related Challenges</h3><a href="./questions/8-medium-readonly-2/README.md" target="_blank"><img src="https://img.shields.io/badge/-8%E3%83%BBReadonly%202-eaa648" alt="8・Readonly 2"/></a> <a href="./questions/9-medium-deep-readonly/README.md" target="_blank"><img src="https://img.shields.io/badge/-9%E3%83%BBDeep%20Readonly-eaa648" alt="9・Deep Readonly"/></a> <!--info-footer-end-->

4
questions/8-medium-readonly-2/README.md
View File

@ -1,4 +1,4 @@
<!--info-header-start--><h1>Readonly 2 <img src="https://img.shields.io/badge/-medium-eaa648" alt="medium"/> <img src="https://img.shields.io/badge/-%23readonly-999" alt="#readonly"/> <img src="https://img.shields.io/badge/-%23object--keys-999" alt="#object-keys"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org//8/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
<!--info-header-start--><h1>Readonly 2 <img src="https://img.shields.io/badge/-medium-eaa648" alt="medium"/> <img src="https://img.shields.io/badge/-%23readonly-999" alt="#readonly"/> <img src="https://img.shields.io/badge/-%23object--keys-999" alt="#object-keys"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org/8/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
Implement a generic `MyReadonly2<T, K>` which takes two type argument `T` and `K`.
@ -24,4 +24,4 @@ todo.description = "barFoo" // Error: cannot reassign a readonly property
todo.completed = true // OK
```
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<!--info-footer-start--><br><a href="../../README.md" target="_blank"><img src="https://img.shields.io/badge/-Back-grey" alt="Back"/></a> <a href="https://tsch.js.org/8/answer" target="_blank"><img src="https://img.shields.io/badge/-Share%20your%20Solutions-teal" alt="Share your Solutions"/></a> <a href="https://tsch.js.org/8/solutions" target="_blank"><img src="https://img.shields.io/badge/-Check%20out%20Solutions-de5a77?logo=awesome-lists&logoColor=white" alt="Check out Solutions"/></a> <hr><h3>Related Challenges</h3><a href="./questions/7-easy-readonly/README.md" target="_blank"><img src="https://img.shields.io/badge/-7%E3%83%BBReadonly%3CT%3E-90bb12" alt="7・Readonly<T>"/></a> <a href="./questions/9-medium-deep-readonly/README.md" target="_blank"><img src="https://img.shields.io/badge/-9%E3%83%BBDeep%20Readonly-eaa648" alt="9・Deep Readonly"/></a> <!--info-footer-end-->

4
questions/9-medium-deep-readonly/README.md
View File

@ -1,4 +1,4 @@
<!--info-header-start--><h1>Deep Readonly <img src="https://img.shields.io/badge/-medium-eaa648" alt="medium"/> <img src="https://img.shields.io/badge/-%23readonly-999" alt="#readonly"/> <img src="https://img.shields.io/badge/-%23object--keys-999" alt="#object-keys"/> <img src="https://img.shields.io/badge/-%23deep-999" alt="#deep"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org//9/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
<!--info-header-start--><h1>Deep Readonly <img src="https://img.shields.io/badge/-medium-eaa648" alt="medium"/> <img src="https://img.shields.io/badge/-%23readonly-999" alt="#readonly"/> <img src="https://img.shields.io/badge/-%23object--keys-999" alt="#object-keys"/> <img src="https://img.shields.io/badge/-%23deep-999" alt="#deep"/></h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org/9/play" target="_blank"><img src="https://img.shields.io/badge/-Take%20the%20Challenge-3178c6?logo=typescript" alt="Take the Challenge"/></a> </p><!--info-header-end-->
Implement a generic `DeepReadonly<T>` which make every parameter of an object - and its sub-objects recursively - readonly.
@ -26,4 +26,4 @@ type Expected = {
const todo: DeepReadonly<X> // should be same as `Expaceted`
```
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<!--info-footer-start--><br><a href="../../README.md" target="_blank"><img src="https://img.shields.io/badge/-Back-grey" alt="Back"/></a> <a href="https://tsch.js.org/9/answer" target="_blank"><img src="https://img.shields.io/badge/-Share%20your%20Solutions-teal" alt="Share your Solutions"/></a> <a href="https://tsch.js.org/9/solutions" target="_blank"><img src="https://img.shields.io/badge/-Check%20out%20Solutions-de5a77?logo=awesome-lists&logoColor=white" alt="Check out Solutions"/></a> <hr><h3>Related Challenges</h3><a href="./questions/7-easy-readonly/README.md" target="_blank"><img src="https://img.shields.io/badge/-7%E3%83%BBReadonly%3CT%3E-90bb12" alt="7・Readonly<T>"/></a> <a href="./questions/8-medium-readonly-2/README.md" target="_blank"><img src="https://img.shields.io/badge/-8%E3%83%BBReadonly%202-eaa648" alt="8・Readonly 2"/></a> <!--info-footer-end-->

2
scripts/toUrl.ts
View File

@ -4,7 +4,7 @@ import { defaultLocale } from './locales'
import { resolveInfo } from './loader'
export const REPO = 'https://github.com/type-challenges/type-challenges'
export const DOMAIN = 'https://tsch.js.org/'
export const DOMAIN = 'https://tsch.js.org'
export const TYPESCRIPT_PLAYGROUND = 'https://www.typescriptlang.org/play'
// https://github.com/microsoft/TypeScript-Website/tree/v2/packages/playground