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Reuse existing instances when working with identical objects The flyweight pattern is useful when you're creating a huge number of objects, which coul 阅读全文
posted @ 2022-08-31 14:59
Zhentiw
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You're given an array of integers and another array of three distinct integers. The first array is guaranteed to only contain integers that are in the 阅读全文
posted @ 2022-08-30 20:55
Zhentiw
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Step 7: Tests for Types The assertion type code need to be tested just as the normal code. export function isITeam(arg: any): arg is ITeam { /** * { i 阅读全文
posted @ 2022-08-30 18:09
Zhentiw
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Step1 & 2 for converting a js app to ts Step 3. Turn on "noImplicitAny" and even more strict mode Step 4. ESLint for Typescript Step5. Local types ove 阅读全文
posted @ 2022-08-30 18:09
Zhentiw
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Step 5: Types at Runtime This problem often happens when APi return the data. let cachedAllTeamsList: Promise<ITeam[]>; export async function getAllTe 阅读全文
posted @ 2022-08-30 15:32
Zhentiw
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Step5. Local types override You can find many @types package along with the library you use. But the problem is that those @types might contain bugs b 阅读全文
posted @ 2022-08-30 15:02
Zhentiw
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Step 4: ESLint We need to install ESLint tools for Typescript. yarn add -D @typescript-eslint/eslint-plugin @typescript-eslint/parser .eslintrc file: 阅读全文
posted @ 2022-08-29 19:27
Zhentiw
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Step 3: Turn on "noImplicitAny" From previous steps, we allow implicit any: https://www.cnblogs.com/Answer1215/p/16634618.html Now, we need to turn on 阅读全文
posted @ 2022-08-29 18:49
Zhentiw
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1. Compiling in "loose mode" Start with all tests passing Rename all .js to .ts, allowing implicit any Fix only things that are not type-checking, or 阅读全文
posted @ 2022-08-29 01:23
Zhentiw
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Source: https://javascriptpatterns.vercel.app/patterns/performance-patterns/browser-hints Prefetch The `prefetch` browser hint can be used to fetch re 阅读全文
posted @ 2022-08-26 20:31
Zhentiw
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