"react/style-prop-object": "error", /** * img, br 标签中禁止有 children */ "react/void-dom-elements-no-children": "error", // 如果你要用 state refs, 最好用 class extends React.Component 而不是 React.createClass "react/prefer-stateless-function": 2, // 将多行的JSX标签写在 ()里...
"owner":"typescript","code":"1219","severity":8,"message":"Experimental support for decorators is a feature that is subject to change in a future release. Set the 'experimentalDecorators' option in your 'tsconfig' or 'jsconfig' to remove this warning.","source":"ts","startLineNumber...
Use a question mark to mark a property on a type as optional. Provide default values for properties when destructuring them in a function's definition. interfaceEmployeeProps{ name?: string;// 👈️ 标记为可选age?: number;// 👈️ 标记为可选country: string;// 👈️ 必选项...
defaultProps 是React自己提供的运行时类型检测配置, 上下两者毫无关系 typescript是编译器的类型检测工具,感知不到 defaultProps, 用的是IProps 解决办法, IProps 里面的相应属性去掉 ?(表示非必须属性) 回复 大暗扣: 我是从 jsx 的组件转写成 tsx,如果我仍然需要组件用到属性默认值,是否有 ts style? 回复2020...
今回はReactを使ったプロジェクトのTypeScriptのバージョンをあげ環境を整える部分と、実際に使ってみた感想と注意点をご紹介できればと思います。 始める際の留意点 大体の場合下記の手順でできるはずです。 tsのバージョンを上げる @babel/plugin-proposal-optional-chainingを導入 VSCodeのワーク...
TypeScript type Foo={bar?:number;}functionaddOne(foo:Foo):number{returnfoo.bar+1;// This is an error:// Object is possibly 'undefined'. ts(2532)} You can deal with it in several ways, but the best way is the same way you’d deal with it in JavaScript: by checking to see if ...
Optional properties should be ignored when inferring K in Pick<ConcreteType, K> #23053 paranoidjkmentioned this on Apr 8, 2019 Button tsd error in latest typescript@3.4.2 ant-design/ant-design#15930 zombieJmentioned this on Apr 8, 2019 [React] Fix optionality of inferred props DefinitelyT...
Type 'null' is not assignable to type 'string | undefined'. Code import PropTypes from 'prop-types'; import React from 'react'; type FooProps = { icon: { value?: string; }; }; export const FooComponent: React.FC<FooProps> = () => null; FooComponent.propTypes = { icon: ...
babel-helpers, babel-plugin-proposal-class-properties, babel-plugin-proposal-decorators, babel-plugin-transform-classes, babel-plugin-transform-function-name, babel-plugin-transform-parameters, babel-plugin-transform-react-jsx, babel-plugin-transform-runtime, babel-plugin-transform-typescript, babel-preset...
babel-plugin-transform-function-name, babel-plugin-transform-react-constant-elements, babel-plugin-transform-react-inline-elements, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx, babel-plugin-transform-regenerator, babel-preset-react, babel-preset-typescript, babel-standalo...