Zhentiw - 博客园

2020年11月26日

[Javascript] Broadcaster + Operator + Listener pattern -- 22. mapError, wrap fetch with broadcaster with cancellation

摘要： export let mapError = transform => broadcaster => listener => { return broadcaster((value) => { if (value instanceof Error) { listener(transform(value 阅读全文

posted @ 2020-11-26 03:15 Zhentiw 阅读(74) 评论(0) 推荐(0)

[Javascript] Cancel a promise

摘要： let getUrl = url => listener => { let controller = new AbortController() let signal = controller.signal fetch(url, {signal}) .then((response) => { ret 阅读全文

posted @ 2020-11-26 03:09 Zhentiw 阅读(156) 评论(0) 推荐(0)

[Tools] Uncaught ReferenceError: regeneratorRuntime is not defined

摘要： While using async/await, seeing such error: Uncaught ReferenceError: regeneratorRuntime is not defined Solution: in package.json, add: "browserslist": 阅读全文

posted @ 2020-11-26 03:00 Zhentiw 阅读(151) 评论(0) 推荐(0)

2020年11月24日

[React] Broadcaster + Operator + Listener pattern -- 21. useBroadcaster & useListener Example 2 (allowWhen)

摘要： You often want to ignore values until the user performs a certain action. This lesson walks through setting up an allowWhen broadcaster that will only 阅读全文

posted @ 2020-11-24 21:58 Zhentiw 阅读(136) 评论(0) 推荐(0)

2020年11月23日

[Tools] API Extractor Setup for Typescript

摘要： https://github.com/mike-north/professional-ts/blob/master/notes/04-mikes-ts-setup.md#api-surface-report--docs Install: yarn add -D @microsoft/api-extr 阅读全文

posted @ 2020-11-23 03:30 Zhentiw 阅读(546) 评论(0) 推荐(0)

2020年11月20日

[Tools] Lock a node and yarn version for a project

摘要： Using Volta: volta pin node yarn In add into package.json: "volta": { "node": "14.15.1", "yarn": "1.22.10" } 阅读全文

posted @ 2020-11-20 04:11 Zhentiw 阅读(92) 评论(0) 推荐(0)

[Tools] Npx createa gitignore file Node project

摘要： As simple as: npx gitignore node 阅读全文

posted @ 2020-11-20 04:03 Zhentiw 阅读(123) 评论(0) 推荐(0)

2020年11月19日

[React] Broadcaster + Operator + Listener pattern -- 20. useBroadcaster & useListener Example

摘要： To display a sequence of values in React, we can use our mapSequence operator, wrap it around a broadcaster, then pass that new broadcaster into our u 阅读全文

posted @ 2020-11-19 01:46 Zhentiw 阅读(120) 评论(0) 推荐(0)

2020年11月17日

[React] Broadcaster + Operator + Listener pattern -- 19. useBroadcaster & useListener

摘要： Instead of always combining useState and useEffect, when can create a utility useBroadcaster hook which allows us to pass in a broadcaster. export let 阅读全文

posted @ 2020-11-17 22:30 Zhentiw 阅读(131) 评论(0) 推荐(0)

[Javascript] Broadcaster + Operator + Listener pattern -- 18. Create a Win Condition with a mapDone Operator

摘要： Many streams of events end when a certain condition is met. When we run into that condition, we'll want to pass down our own custom values. This lesso 阅读全文

posted @ 2020-11-17 02:40 Zhentiw 阅读(182) 评论(0) 推荐(0)

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