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英文字典中文字典相关资料:


  • Introduction to Immer | Immer - GitHub Pages
    When using Immer, you don't need to learn dedicated APIs or data structures to benefit from the paradigm With Immer you'll use plain JavaScript data structures, and use the well-known mutable JavaScript APIs, but safely A quick example for comparison
  • Immer 入门 | Immer - GitHub Pages
    Immer（德语为：always）是一个小型包，可让您以更方便的方式使用不可变状态。 Immer 简化了不可变数据结构的处理 Immer 可以在需要使用不可变数据结构的任何上下文中使用。例如与 React state、React 或 Redux reducers 或者 configuration management 结合使用。
  • API overview | Immer - GitHub Pages
    The core API of Immer: import {produce} from "immer" Produce: applyPatches: Given a base state or draft, and a set of patches, applies the patches: Patches: castDraft: Converts any immutable type to its mutable counterpart This is just a cast and doesn't actually do anything TypeScript: castImmutable: Converts any mutable type to its
  • React Immer | Immer - GitHub Pages
    Deep updates in the state of React components can be greatly simplified as by using Immer The following example shows how to use produce in combination with useState , and can be tried on CodeSandbox
  • Installation | Immer - GitHub Pages
    Immer can be installed as a direct dependency, and will work in any ES5 environment: Yarn: yarn add immer; NPM: npm install immer; CDN: Exposed global is immer Unpkg: <script src="https: unpkg com immer">< script> JSDelivr: <script src="https: cdn jsdelivr net npm immer">< script>
  • Using TypeScript or Flow | Immer - GitHub Pages
    The Immer package ships with type definitions inside the package, which should be picked up by TypeScript and Flow out of the box and without further configuration The TypeScript typings automatically remove readonly modifiers from your draft types and return a value that matches your original type
  • Immer performance | Immer - GitHub Pages
    Immer with proxies is roughly speaking twice to three times slower as a handwritten reducer (the above test case is worst case, see yarn test:perf for more tests) This is in practice negligible Immer is roughly as fast as ImmutableJS
  • 使用 produce | Immer - GitHub Pages
    Immer 包暴露了一个完成所有工作的默认函数。 produce(currentState, recipe: (draftState) => void): nextState produce 需要一个 baseState，以及一个可用于对传入的 draft 进行所有所需更改的 recipe。关于 Immer 的有趣之处在于 baseState 将保持不变，但 nextState 将反映对 DraftState 所做的
  • 类 | Immer - GitHub Pages
    普通对象（没有原型的对象）、数组、Map 和 Set 总是可以用 Immer 更新。 所有其他对象都必须使用 immerable 符号将自己标记为与 Immer 兼容。 当这些对象之一在 produce 中进行更改时，它的原型将保留在副本之间





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