如何將帶有子項的 react-bootstrap 組件導入 kotlin-js react app

Question

我想在使用 kotlin-js 創建的反應網站中使用引導卡組件。 該應用程序使用 kotlin-react 包裝器和 react-bootstrap 庫。

react-bootstrap 文檔說使用 <Card.Body> 來放置內容。

<Card>
  <Card.Body>This is some text within a card body.</Card.Body>
</Card>

到目前為止，我設法將 Card JavaScript 模塊導入 kotlin-js。

@file:JsModule("react-bootstrap/Card")

import react.RClass
import react.RProps


@JsName("default")
external val Card: RClass<RProps>

有了這個，我可以在 RComponent 中使用 Card。

class Content : RComponent<RProps, RState>() {
    override fun RBuilder.render() {
        Card {
           +"Hello World"
        }
    }
}

導致：

<div class="card">
  Hello World
</div>

我還需要 CardBody 組件。

像這樣的東西：

class Content : RComponent<RProps, RState>() {
    override fun RBuilder.render() {
        Card {
            CardBody {
                + "Hello World"
            }
        }
    }
}

---

但是 CardBody 不是一個單獨的 react-bootstrap 組件，可以像 Card 組件一樣導入。 它是 Card 組件內部的一個值。

---

typescript 定義文件Card.d.ts如下所示：

import CardImg from './CardImg';
import { BsPrefixPropsWithChildren, BsPrefixRefForwardingComponent } from './helpers';
import { Color, Variant } from './types';
declare const CardBody: BsPrefixRefForwardingComponent<any, {}>;
declare const CardTitle: BsPrefixRefForwardingComponent<any, {}>;
declare const CardSubtitle: BsPrefixRefForwardingComponent<any, {}>;
declare const CardLink: BsPrefixRefForwardingComponent<any, {}>;
declare const CardText: BsPrefixRefForwardingComponent<any, {}>;
declare const CardHeader: BsPrefixRefForwardingComponent<any, {}>;
declare const CardFooter: BsPrefixRefForwardingComponent<any, {}>;
declare const CardImgOverlay: BsPrefixRefForwardingComponent<any, {}>;
export interface CardProps extends BsPrefixPropsWithChildren {
    bg?: Variant;
    text?: Color;
    border?: Variant;
    body?: boolean;
}
declare type Card = BsPrefixRefForwardingComponent<'div', CardProps> & {
    Img: typeof CardImg;
    Title: typeof CardTitle;
    Subtitle: typeof CardSubtitle;
    Body: typeof CardBody;
    Link: typeof CardLink;
    Text: typeof CardText;
    Header: typeof CardHeader;
    Footer: typeof CardFooter;
    ImgOverlay: typeof CardImgOverlay;
};
declare const Card: Card;
export default Card;

如果我使用dukat將 TypeScript 定義文件轉換為 Kotlin 聲明。 它輸出一個Card.module_react-bootstrap.kt文件

@file:JsModule("react-bootstrap")
@file:JsNonModule
@file:Suppress("INTERFACE_WITH_SUPERCLASS", "OVERRIDING_FINAL_MEMBER", "RETURN_TYPE_MISMATCH_ON_OVERRIDE", "CONFLICTING_OVERLOADS")

import kotlin.js.*
import kotlin.js.Json
import org.khronos.webgl.*
import org.w3c.dom.*
import org.w3c.dom.events.*
import org.w3c.dom.parsing.*
import org.w3c.dom.svg.*
import org.w3c.dom.url.*
import org.w3c.fetch.*
import org.w3c.files.*
import org.w3c.notifications.*
import org.w3c.performance.*
import org.w3c.workers.*
import org.w3c.xhr.*

external var CardBody: BsPrefixRefForwardingComponent<Any, Any>

external var CardTitle: BsPrefixRefForwardingComponent<Any, Any>

external var CardSubtitle: BsPrefixRefForwardingComponent<Any, Any>

external var CardLink: BsPrefixRefForwardingComponent<Any, Any>

external var CardText: BsPrefixRefForwardingComponent<Any, Any>

external var CardHeader: BsPrefixRefForwardingComponent<Any, Any>

external var CardFooter: BsPrefixRefForwardingComponent<Any, Any>

external var CardImgOverlay: BsPrefixRefForwardingComponent<Any, Any>

external interface CardProps : BsPrefixPropsWithChildren {
    var bg: dynamic /* String | String | String | String | String | String | String | String | String? */
        get() = definedExternally
        set(value) = definedExternally
    var text: String? /* 'primary' | 'secondary' | 'success' | 'danger' | 'warning' | 'info' | 'dark' | 'light' | 'white' | 'muted' */
        get() = definedExternally
        set(value) = definedExternally
    var border: dynamic /* String | String | String | String | String | String | String | String | String? */
        get() = definedExternally
        set(value) = definedExternally
    var body: Boolean?
        get() = definedExternally
        set(value) = definedExternally
}

external interface `T$0` {
    var Img: Any
    var Title: Any
    var Subtitle: Any
    var Body: Any
    var Link: Any
    var Text: Any
    var Header: Any
    var Footer: Any
    var ImgOverlay: Any
}

@JsName("default")
external var Card: BsPrefixRefForwardingComponent<String /* 'div' */, CardProps> /* BsPrefixRefForwardingComponent<String /* 'div' */, CardProps> & `T$0` */

但這不會編譯。

---

1. 如何為內部包含子組件而不是單獨的組件文件的組件編寫 kotlin 聲明文件？
2. 如何在 RBuilder.render() 方法中使用這個組件？

Answer 1

閱讀 Typescript 聲明，似乎

文件：Card.kt

@file:JsModule("react-bootstrap/Card")

package bootstrap

import react.RClass
import react.RProps

@JsName("default")
external val Card: RClass<RProps>

文件：Card.ktx.kt（因為在 JsModule 中不能有非外部聲明）

package bootstrap

import react.RClass
import react.RProps

val CardBody : RClass<RProps> = Card.asDynamic().Body

val CardLink : RClass<RProps> = Card.asDynamic().Link

用法

fun RBuilder.MyComp(){
  Card {
    CardBody {+"Card body goes here" }
  }
}

應該管用。

Answer 2

如果您想將 css 用於外部元素，您可以這樣做，

首先你需要讓你的元素道具實現 WithClassName 接口：

@file:JsModule("react-bootstrap")
@file:JsNonModule

import react.RProps
import react.RClass
import react.dom.WithClassName


@JsName("Card")
external val bsCard : RClass<bsCardProps>

external interface bsCardProps: WithClassName

然后在 another.kt 文件中使用樣式 function ，如下所示：

import styled.styled


val styledBsCard = styled(bsCard)

現在使用 styledBsCard 之類的樣式元素：

override fun RBuilder.render() {
styledBsCard {
            css {
                width = 200.px
                backgroundColor = Color.blue
                marginLeft = 100.px
            }
            //something other elements
        }
}