button.js
import React, { Component } from "react";
class ButtonElements extends Component {
render() {
return (
<button type={this.props.btnType} onClick={this.props.click}>
{this.props.btnText}
</button>
);
}
}
export default ButtonElements;
text.js
import React from "react";
const TextElement = props => <h2>{props.label}</h2>;
export default TextElement;
index.js
import ButtonElements from "./component/button/button";
import TextElement from "./component/text/text";
export { ButtonElements, TextElement };
webpack.config.js
module.exports = {
mode: "production",
entry: ["./src/index.js"],
output: {
path: path.resolve("lib"),
filename: "index.js",
libraryTarget: "commonjs2"
}
我的项目:
import ButtonElements from "npm-package";
import TextElement from "npm-package";
<ButtonElements iClass="faSort" btnText="T"></ButtonElements>
<TextElement label="T"></TextElement>
错误:元素类型无效:预期为字符串(对于内置组件)或类/函数(对于复合组件),但得到:未定义。您可能忘记了从定义文件中导出组件,或者可能混淆了默认导入和命名导入
答案 0 :(得分:0)
import { ButtonElements } from "npm-package";