TypeScript News Thursday, July 19

MELPA

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MELPA

nemtech/nem2-sdk-typescript-javascript

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nemtech/nem2-sdk-typescript-javascript

vuetifyjs/vuetify

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vuetifyjs/vuetify

Learning React – Exercise control over your component state with Typescript

  • Although our user component retrieves and displays data from ASP.NET API, it also flashes up some hard-coded data before the real data shows up.
  • Turns out, when we had our hard-coded data, Typescript was able to infer the type from the structure of this data.
  • Now we dont have any data, theres nothing for the compiler to go off, so it blows up when it comes to this line… – – Turns out, this isnt a problem if we stop being lazy and actually define types for our state.
  • Then we can declare our component states type… – – And finally, tweak the code where we set the initial state (to indicate the type).
  • Create your types, use conditional rendering and your components will react in a predictable way, based purely on the underlying state of the component.

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Learning React – Exercise control over your component state with Typescript

Robert Bailey – Front-End Engineer

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Robert Bailey – Front-End Engineer

React & Redux in TypeScript – Component Typing Patterns

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React & Redux in TypeScript – Component Typing Patterns

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Source link https://jsnews.io/typescript/dotnet-javascript-dev-webdev-much-more/

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