我用Webpack编写了一个javascript库。入口点someClass.js如下所示: import x from './x'
/* several more imports here */
class SomeClass {}
export default SomeClass; 我捆绑这个库的webpack配置如下: module.exports = {
entry: './someClass.js',
output: {
path: __dirname,
filename: 'lib.js&
我正在学习Reactjs,同时也在尝试一些ES6特性。下面是一个reactjs组件,它给了我一个错误:
import React from "react";
export default class Features extends React.Component {
function myFunc(x, y=5) {
return x * y;
}
render() {
return (
<div>
<p>This is number {this.props.feature}</
我试图将JS变量作为常量导入到我的应用程序中,因为我无法使用常规的JSON方法。
我有这样的代码:
//english.js
var english = {"title-1": "Some text"};
export { english as default };
我是这样进口的:
import { english } from '../path/english.js';
angular.module('myApp', ['ui.router'])
.constant('english'
我遵循本教程来实现一个用于用户身份验证的切换导航器:https://snack.expo.io/@react-navigation/auth-flow-v3。 但是,当我尝试导航到下一个屏幕时,this.navigation.navigate显示为undefined。 undefined is not an object (evaluating 'this.props.navigation.navigate') 我正在为我的应用程序使用expo,我已经查看了React Native - navigation issue "undefined is not an obj
我正在学习ES2015 JavaScript类,并开始编写如下代码:
档案:index.js
/* parent class */
class Thing {
construct(){
console.log("thing constructor");
}
}
/* child class */
const Human = class Human extends Thing {
construct(){
super();
}
}
let Person = new Human();
档案:package.json
{
"scrip
我正在尝试生成一个业务网络存档,但是在运行composer archive create -t dir -n .时我得到了以下错误
Creating Business Network Archive
Looking for package.json of Business Network Definition
SyntaxError: Failed to parse /Users/xxxx@xxxx.com/fabric-tools/tutorial-network/lib/logic.js: Unexpected token (6:6)
Command failed
意外令牌(6:6)?
我已经创建了auth0配置,现在正在导入登录页面
import Vue from 'vue'
import Router from 'vue-router'
Vue.use(Router)
// create import statements
import login from './containers/login'
import home from './containers/home'
import dashboard from './containers/dashboard'
import pro