如何div.c使用下面的flexbox与右端对齐?
+--------------+
|A B C |
+--------------+
尽管规则align-self: flex-end;似乎将盒子对齐到底部flex-direction: row;
+--------------+
|A B |
| C |
+--------------+
CSS:
.container {
border: 2px solid;
height: 500px;
display: flex;
flex-direction: row;
}
.box {
border: 1px solid;
height: 200px;
width: 50px;
}
.a {
background-color: red;
align-self: flex-start;
}
.b {
background-color: cyan;
align-self: flex-start
}
.c {
background-color: green;
align-self: flex-end;
}
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HTML:
<div class="container">
<div class="box a">
</div>
<div class="box b">
</div>
<div class="box …Run Code Online (Sandbox Code Playgroud) Jest 预计预期Cell财产价值为[Function anonymous]。
正确的语法是什么?
() => {}似乎[Function Cell]因此测试失败。
const expected =
[{ Cell: () => {}, Header: '', accessor: () => {}, disableSortBy: true, id: 18, width: 50 }];
expect(result).toBe(expected);
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安慰:
$ jest test
----
- Expected - 1
+ Received + 1
@@ -1,8 +1,8 @@
Array [
Object {
- "Cell": [Function Cell],
+ "Cell": [Function anonymous],
"Header": "",
"accessor": [Function accessor],
"disableSortBy": true,
"id": 18,
"width": 50,
Run Code Online (Sandbox Code Playgroud) 尝试在欧洲文化中将数字格式化为两位小数格式.这样逗号就是小数分隔符和空格千位分隔符.
在示例中,213245应格式化为213 245,00
我怎样才能做到这一点?
213245.toFixed(2).toLocaleString();
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给出213245.00但它应该是213 245,00
然而
213245.toLocaleString()
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给出213 245
小提琴下面:
var out, input;
input = 213245;
// TEST 1
out = input.toFixed(2);
console.log(out); // 213245.00
out = out.toLocaleString();
console.log(out); // 213245.00
// TEST 2
out = input.toLocaleString();
console.log(out); // 213 245
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如何正确设置 ModuleFederationreact-router-dom以便我可以
Router和定义的路线Host应用程序中定义的路线Header应用程序具有<Link>指向主机中定义的路由的组件?但是,下面的设置失败,出现以下错误:
index.js:15 Uncaught Error: useHref() may be used only in the context of a <Router> component.
设置:
托管 mfe 应用程序,本地主机:3001
...
import { BrowserRouter } from 'react-router-dom'
const Header = lazy(() => import("header/Header"))
const Host = () => {
return (
<BrowserRouter>
<React.Suspense fallback="Loading Header...">
<Header />
</React.Suspense>
<Switch>
<Route path="/input">
<InputFormView />
</Route>
<Route path="/">
<ListView />
</Route>
</Switch>
</BrowserRouter>)
}
...
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主机的webpack.config.js
...
plugins: [ …Run Code Online (Sandbox Code Playgroud) javascript reactjs react-router react-router-dom webpack-module-federation
我创建了自己的 npm 包(使用 nwb 创建),其中使用了样式组件。在我的消费应用程序中,我还使用了样式组件。
问题是。通过 npm install. 但是,当npm link进入其他一些 react-router 路由时使用以下错误消息:
Error: Trying to insert a new style tag, but the given Node is unmounted!
* Are you using a custom target that isn't mounted?
* Does your document not have a valid head element?
* Have you accidentally removed a style tag manually?
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在我的 npm 包中,我将样式组件设置为对等依赖项和 devDependency,如下所示:
...
"peerDependencies": {
"react": "16.x",
"styled-components": "^3.4.4"
},
"devDependencies": {
"karma-junit-reporter": "^1.2.0",
"nwb": "0.23.x",
"react": "^16.4.2",
"react-dom": …Run Code Online (Sandbox Code Playgroud) 我用于@testing-library/react测试 UI 组件。无法让笑话模拟工作。
它似乎无法模拟导出函数的实现getDomElement,但会调用实际的实现。
Table.test.js 的实现
describe('Table', () => {
jest.mock('../../../../commonHelpers/getDomElement.js', () => {});
it('it renders columns', () => {
render(
<ThemeProvider>
<Table
columns={columns}
data={data}
/>
</ThemeProvider>,
);
})
})
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Table.js 的实现
import React, { useEffect } from 'react';
import PropTypes from 'prop-types';
import {
useTable,
useSortBy,
useBlockLayout,
useResizeColumns,
usePagination,
} from 'react-table';
import { TableStyled as Table, TableContainer } from './styled';
import Pagination from './Pagination';
import Head from './Head';
import Body from './Body';
import TableContext …Run Code Online (Sandbox Code Playgroud) 目标是以access token编程方式从 MSAL 获取 Cypress e2e 测试。我们使用 V2.0 API。
根据这个我首先需要得到authorization code:https : //docs.microsoft.com/en-us/azure/active-directory/develop/v2-oauth2-auth-code-flow#request-an-authorization-code
获取access token https://docs.microsoft.com/en-us/azure/active-directory/develop/v2-oauth2-auth-code-flow#request-an-access-token
所以为了得到authorization code我需要做这个请求
// GET
// Line breaks for legibility only
https://login.microsoftonline.com/{tenant}/oauth2/v2.0/authorize?
client_id=6731de76-14a6-49ae-97bc-6eba6914391e
&response_type=code
&redirect_uri=http%3A%2F%2Flocalhost%2Fmyapp%2F
&response_mode=query
&scope=openid%20offline_access%20https%3A%2F%2Fgraph.microsoft.com%2Fmail.read
&state=12345
&code_challenge=YTFjNjI1OWYzMzA3MTI4ZDY2Njg5M2RkNmVjNDE5YmEyZGRhOGYyM2IzNjdmZWFhMTQ1ODg3NDcxY2Nl
&code_challenge_method=S256
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但这会返回,text/html因此我需要手动登录才能获取代码。
有没有办法以编程方式获得authorization code?
$ acpi
Battery 0: Charging, 18%, 01:37:09 until charged
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如何在没有百分比字符的情况下 grep 电池电量值 (18)?
这应该可以,但我得到一个空结果:
acpi | grep -e '(?<=, )(.*)(?=%)'
Run Code Online (Sandbox Code Playgroud) 我需要更改 中箭头的样式react-select。components我了解到这可以通过使用下面的代码示例中的 prop来完成。
DropdownIndicator然而,如果打开菜单,出现的道具似乎不会提供任何信息。我需要使用该信息来根据菜单是打开还是关闭来更改箭头样式。
我怎样才能得到这些信息?
import ReactSelect, { components } from 'react-select';
...
const DropdownIndicator = (props) => {
const { isFocused } = props;
// Which prop tells if the menu is open? Certainly isFocused is not the correct one.
const caretClass = isFocused ? 'caret-up' : 'caret-down';
return (
<components.DropdownIndicator {...props}>
<div className={`${caretClass}`} />
</components.DropdownIndicator>
);
};
return (<ReactSelect
components={{ DropdownIndicator }}
placeholder={placeholder}
value={value}
onBlur={onBlur}
name={name}
...
/>)
Run Code Online (Sandbox Code Playgroud) 我想测试的功能是createCarAndDrive()哪个使用Car模块。我想模拟Car模块中的一个函数,以便不调用其实际函数,而是调用模拟函数。
因此,该Car函数返回两个函数gas()和brake()。Car使用工厂函数模式来实现。所以这两个函数被包装起来Car并且在被调用之前不会被公开Car。
是否可以以某种方式模拟brake()要返回的函数false?
这是实现。
// Car.js
function Car({ name, model }) {
function gas(speed) {
return `${name} ${model} goes forward at a speed of ${speed}km/h`;
}
function brake() {
return true;
}
return {
gas,
brake,
};
}
// driver.js
function createCarAndDrive() {
const car = Car({ name: 'Fiat', model: 'Punto' });
car.gas(123);
return car.brake();
}
// driver.test.js …Run Code Online (Sandbox Code Playgroud)javascript ×6
jestjs ×3
reactjs ×2
awk ×1
css ×1
culture ×1
cypress ×1
e2e ×1
flexbox ×1
formatting ×1
grep ×1
locale ×1
mocking ×1
npm ×1
npm-link ×1
react-router ×1
react-select ×1
regex ×1
sed ×1