Reactjs 即使在另一个项目中也会出现奇怪的错误
嗨,我学会了反应,需要帮助 我得到这个错误: ./src/components/圬工/圬工.jsReactjs 即使在另一个项目中也会出现奇怪的错误,reactjs,react-proptypes,Reactjs,React Proptypes,嗨,我学会了反应,需要帮助 我得到这个错误: ./src/components/圬工/圬工.js 第278:23行:声明的属性类型中的输入错误:布尔反应/无输入错误 第280:26行:声明的属性类型中的输入错误:布尔反应/无输入错误 第282:20行:声明的属性类型中的输入错误:布尔反应/无输入错误 搜索关键字以了解有关每个错误的更多信息 但它在这种情况下工作正常 所有的PropTypes.boolean都给出了类似boolean的错误,不能使用 我有搜索,但找不到一些答案,我想这可能是一些版本
第278:23行:声明的属性类型中的输入错误:布尔反应/无输入错误
第280:26行:声明的属性类型中的输入错误:布尔反应/无输入错误
第282:20行:声明的属性类型中的输入错误:布尔反应/无输入错误 搜索关键字以了解有关每个错误的更多信息 但它在这种情况下工作正常 所有的
PropTypes.boolean
都给出了类似boolean的错误,不能使用
我有搜索,但找不到一些答案,我想这可能是一些版本冲突
请给我一些建议
import React from "react";
import PropTypes from "prop-types";
import { withResizeDetector } from "react-resize-detector";
import VisibilitySensor from "react-visibility-sensor";
import { max, map, compact, last } from "lodash";
class Masonry extends React.Component {
constructor(props) {
super(props);
this.container = React.createRef();
this.list = React.createRef();
this.state = {
mounted: false,
scrollTop: 0,
scrollProgress: 0
};
this._onEnd = this._onEnd.bind(this);
this._isVisibleItem = this._isVisibleItem.bind(this);
this._setContainerHeight = this._setContainerHeight.bind(this);
this._onResize = this._onResize.bind(this);
this._onScroll = this._onScroll.bind(this);
}
componentDidMount() {
this.setState({
mounted: true
});
this.container.current.addEventListener("scroll", this._onScroll, false);
}
componentWillUnmount() {
this.container.current.removeEventListener("scroll", this._onScroll, false);
}
componentWillReceiveProps(newProps) {
if (this.props.width !== newProps.width) {
setTimeout(this._onResize, 0);
}
}
/**
* Do something when the container is scrolled
*/
_onScroll() {
const { scrollTop, scrollHeight } = this.container.current;
this.setState({
scrollTop,
scrollProgress: (1 / scrollHeight) * scrollTop
});
}
/**
* Approximate previous scroll-position after container was resized
*/
_onResize() {
const { scrollProgress } = this.state;
let container = this.container.current;
container.scrollTop = scrollProgress * container.scrollHeight;
}
/**
* Let parent components know that we reached the end of display
*/
_onEnd(isVisible) {
if (!isVisible) return;
this.props.onEnd && this.props.onEnd();
}
_getContainerStyle() {
const { infinite, debug } = this.props;
const infiniteStyles = infinite
? {
position: "absolute",
top: 0,
left: 0,
right: 0,
bottom: 0,
overflow: "auto"
}
: {};
return {
outline: debug && "1px solid seagreen",
width: "100%",
position: "relative",
...infiniteStyles
};
}
_getListStyle() {
const { gutter } = this.props;
return {
padding: 0,
margin: 0,
listStyle: "none"
};
}
_getListItemStyle(index, item) {
const position = {
padding: 0,
margin: 0,
position: "absolute",
...this._getItemDimensions(index, item)
};
return position;
}
// Picks the column in which to put the element
// and returns its index
_pickColumn() {
const columnHeights = this.columns.map(items => {
let lastItem = items[items.length - 1];
return lastItem ? lastItem.height + lastItem.top : 0;
});
const columnIndex = columnHeights.indexOf(Math.min(...columnHeights));
return columnIndex;
}
_getWidth() {
const { gutter, outerGutter } = this.props;
const colcount = this._getColumnCount();
const containerWidth =
this.container.current.offsetWidth -
(colcount - 1) * gutter -
(outerGutter ? 2 * gutter : 0);
return Math.floor(containerWidth / colcount);
}
_getDimensions({ item }) {
const { gutter, extraPx = 0 } = this.props;
const width = this._getWidth();
const height = Math.floor(width * item.ratio) + extraPx;
return {
width,
height
};
}
_getLeft({ columnIndex }) {
const { gutter, outerGutter } = this.props;
return (
columnIndex * this._getWidth() +
columnIndex * gutter +
(outerGutter ? gutter : 0)
);
}
_getTop({ columnIndex }) {
const { outerGutter, gutter } = this.props;
const items = this.columns[columnIndex];
return items && items.length
? last(items).top + last(items).height + gutter
: outerGutter
? gutter
: 0;
}
_getItemDimensions(index, item) {
const columnIndex = this._pickColumn();
const { debug } = this.props;
const dimensions = {
outline: debug && "1px solid tomato",
top: this._getTop({ columnIndex }),
left: this._getLeft({ columnIndex }),
...this._getDimensions({ item, columnIndex })
};
this.columns[columnIndex] = [...this.columns[columnIndex], dimensions];
return dimensions;
}
_isVisibleItem({ top, left, width, height }) {
const { scrollTop } = this.state;
const { offsetHeight, offsetWidth } = this.container.current;
const { safeSpace = offsetHeight / 2 } = this.props;
const topVisible = top >= scrollTop - height - safeSpace;
const bottomVisible = top <= scrollTop + offsetHeight + safeSpace;
return topVisible && bottomVisible;
}
_setContainerHeight() {
const el = this.list.current;
const lastItems = this.columns.map(items => {
let item = items[items.length - 1];
return item.top + item.height;
});
el.style.height = max(lastItems) + "px";
}
renderItem({ index, item, maxIndex }) {
const { items = [], itemRenderer } = this.props;
const Component = itemRenderer;
const style = this._getListItemStyle(index, item);
const isVisible = this._isVisibleItem(style);
if (index + 1 === maxIndex) {
this._setContainerHeight();
}
return isVisible ? (
<li key={item.id} style={style}>
<Component {...item} />
{items.length === index + 1 && (
<div
style={{
position: "absolute",
top: -this.container.current.offsetHeight / 2,
width: 1,
height: 1
}}
>
<VisibilitySensor partialVisibility={true} onChange={this._onEnd} />
</div>
)}
</li>
) : null;
}
_getColumnCount() {
const { cols, width } = this.props;
const mqs = compact(
map(cols, (columnCount, key) => {
const applies = this.container.current.offsetWidth >= key;
return applies ? columnCount : false;
})
);
const colcount = last(mqs);
return colcount;
}
render() {
const { mounted } = this.state;
const { items = [] } = this.props;
if (mounted) {
this.columns = new Array(this._getColumnCount()).fill([]);
}
const maxIndex = items.length;
return (
<div style={this._getContainerStyle()} ref={this.container}>
<ul ref={this.list} style={this._getListStyle()}>
{mounted &&
items.map((item, index) =>
this.renderItem({ index, item, maxIndex })
)}
</ul>
</div>
);
}
}
Masonry.propTypes = {
columns: PropTypes.number.isRequired,
safeSpace: PropTypes.number,
items: PropTypes.array.isRequired,
itemRenderer: PropTypes.func.isRequired,
infinite: PropTypes.boolean, ERROR............
gutter: PropTypes.number,
outerGutter: PropTypes.boolean, ERROR............
extraPx: PropTypes.number,
debug: PropTypes.boolean ERROR............
};
export default withResizeDetector(Masonry);
从“React”导入React;
从“道具类型”导入道具类型;
从“react resize detector”导入{withResizeDetector};
从“反应可见性传感器”导入可见性传感器;
从“lodash”导入{max,map,compact,last};
类。组件{
建造师(道具){
超级(道具);
this.container=React.createRef();
this.list=React.createRef();
此.state={
错,,
滚动顶端:0,
滚动进度:0
};
this.\u onEnd=this.\u onEnd.bind(this);
this.\u isVisibleItem=this.\u isVisibleItem.bind(this);
this.\u setContainerHeight=this.\u setContainerHeight.bind(this);
this.\u onResize=this.\u onResize.bind(this);
this.\u onScroll=this.\u onScroll.bind(this);
}
componentDidMount(){
这是我的国家({
是的
});
this.container.current.addEventListener(“滚动”,this.\u onScroll,false);
}
组件将卸载(){
this.container.current.removeEventListener(“滚动”,this.\u onScroll,false);
}
组件将接收道具(新道具){
if(this.props.width!==newProps.width){
setTimeout(此值为0);
}
}
/**
*在滚动容器时执行某些操作
*/
_onScroll(){
const{scrollTop,scrollHeight}=this.container.current;
这是我的国家({
滚动顶,
滚动进度:(1/滚动高度)*滚动顶部
});
}
/**
*调整容器大小后上一个滚动位置的近似值
*/
_onResize(){
const{scrollProgress}=this.state;
让container=this.container.current;
container.scrollTop=scrollProgress*container.scrollHeight;
}
/**
*让父组件知道我们已到达显示的末尾
*/
_ONED(可见){
如果(!isVisible)返回;
this.props.oned&&this.props.oned();
}
_getContainerStyle(){
const{infinite,debug}=this.props;
常数无穷大=无穷大
? {
位置:“绝对”,
排名:0,
左:0,,
右:0,,
底部:0,
溢出:“自动”
}
: {};
返回{
大纲:调试和“1px实心海绿”,
宽度:“100%”,
职位:“相对”,
…无穷大
};
}
_getListStyle(){
const{gutter}=this.props;
返回{
填充:0,
保证金:0,
列表样式:“无”
};
}
_getListItemStyle(索引,项){
常数位置={
填充:0,
保证金:0,
位置:“绝对”,
…此项。\u getItemDimensions(索引,项)
};
返回位置;
}
//拾取要在其中放置元素的列
//并返回其索引
_选取柱(){
const columnHeights=this.columns.map(items=>{
设lastItem=items[items.length-1];
返回lastItem?lastItem.height+lastItem.top:0;
});
const columnIndex=columnHeights.indexOf(Math.min(…columnHeights));
返回列索引;
}
_getWidth(){
const{gutter,outerGutter}=this.props;
const colcount=this.\u getColumnCount();
集装箱宽度常数=
this.container.current.offsetWidth-
(colcount-1)*排水沟-
(外部排水沟?2*排水沟:0);
返回数学楼层(集装箱宽度/列数);
}
_getDimensions({item}){
const{gotter,extraPx=0}=this.props;
const width=this._getWidth();
常数高度=数学地板(宽度*项目比率)+额外的Px;
返回{
宽度,
高度
};
}
_getLeft({columnIndex}){
const{gutter,outerGutter}=this.props;
返回(
columnIndex*这个。_getWidth()+
列索引*边沟+
(outerGutter?排水沟:0)
);
}
_getTop({columnIndex}){
const{outerGutter,gutter}=this.props;
const items=this.columns[columnIndex];
返回项目(&items.length)
最后一个(项目)。顶部+最后一个(项目)。高度+排水沟
:outerGutter
?排水沟
: 0;
}
_getItemDimensions(索引,项){
const columnIndex=this.\u pickColumn();
const{debug}=this.props;
常量维度={
大纲:调试和“1px实心番茄”,
顶部:this._getTop({columnIndex}),
左:this.\u getLeft({columnIndex}),
…此._getDimensions({item,columnIndex})
};
this.columns[columnIndex]=[…this.columns[columnIndex],维度];
返回维度;
}
_isVisibleItem({顶部,左侧,宽度,高度}){
const{scrollTop}=this.state;
const{offsetHeight,offsetWidth}=this.container.current;
const{safeSpace=offsetHeight/2}=this.props;
const topVisible=top>=滚动顶部-高度-安全空间;
const bottomVisible=顶部{
设item=items[items.length-1];
返回item.top+item.height;
});
el.style.height=最大(最新项)+“px”;
}
renderItem({index,item,maxIndex}){
常量{items=[],itemrender}=this.props;
const Component=itemRenderer;
const style=this.\u getListItemStyle(索引,项);
const isVisible=此项。\u isVisibleItem(样式);
如果(索引+1==最大索引){
这个;
}
返回是否可见(
{items.length==索引+1&&(
)}
):null;
}
_getC
{
"name": "test-app",
"version": "0.1.0",
"private": true,
"dependencies": {
"axios": "^0.19.2",
"lodash": "^4.17.19",
"react": "^16.8.4",
"react-dom": "^16.8.4",
"react-motion": "^0.5.2",
"react-resize-detector": "^5.0.7",
"react-router-dom": "^5.2.0",
"react-scripts": "^3.4.0",
"react-slick": "^0.27.3",
"react-tilt": "^0.1.4",
"react-transition-group": "^4.4.1",
"react-visibility-sensor": "^5.1.1",
"save": "^2.4.0",
"slick-carousel": "^1.8.1"
},
"scripts": {
"start": "set PORT=3038&& react-scripts start",
"build": "react-scripts build",
"test": "react-scripts test",
"eject": "react-scripts eject",
"predeploy": "npm run build",
"deploy": "gh-pages -b master -d build"
},
"eslintConfig": {
"extends": "react-app"
},
"browserslist": [
">0.2%",
"not dead",
"not ie <= 11",
"not op_mini all"
],
"devDependencies": {
"gh-pages": "^2.0.1"
}
}