在 AppContext 中存储 Axios 响应
Storing Axios response in AppContext
我正在尝试构建我网站的一部分,该部分将从 REST API 动态提取联系信息。此时我正在使用 https://jsonplaceholder.typicode.com.
中的示例 API
我正在尝试使用 axios
,特别是 useAxios
和 makeUseAxios
挂钩来获取 API,并将其存储在我创建的应用上下文中然后可以在整个站点使用,最好使用 useContext
挂钩。此外,我需要能够根据用户交互更新 API 调用,允许他们 select 一个位置,进行 API 更新,并将其存储在应用程序的上下文中以便它全部动态更新。
基本上,我已经得到了一个基于 this tutorial 的基本 useContext
场景,但我正在努力解决如何以我可以的方式存储 JSON 响应在 useContext
中引用它。这是我到目前为止最接近的事情:
AppContext.tsx
import React, { createContext, ReactNode } from 'react';
import axios from 'axios';
import { makeUseAxios } from 'axios-hooks';
import { useCookie } from 'hooks/use-cookie';
export const AppContext = createContext();
export const DealerContextProvider = ({children}: any) => {
const useAxios = makeUseAxios({
axios: axios.create({ baseURL: 'https://jsonplaceholder.typicode.com/users/' }),
});
const LOCAL_STORAGE_KEY_DEALER = '_selectedDealerInformation';
const [cookie] = useCookie('one-day-location', '1');
const [dealerInfo] = useAxios(`${cookie}`);
return (
<AppContext.Provider value={[dealerInfo]}>
{children}
</AppContext.Provider>
);
};
还有我的 header 组件,我正在尝试访问它的地方:
import React, { ReactNode, useEffect, useState, useContext } from 'react';
import { AppContext } from 'components/app-context/AppContext';
import Logo from 'assets/svg/logo.svg';
import css from 'classnames';
import { Button } from 'components/button/Button';
import { Link } from 'components/link/Link';
import { NotificationBar } from '../notification-bar/NotificationBar';
import s from './Header.scss';
import { MenuIcon } from 'components/menu-icon/MenuIcon';
import { MainNav } from './navigation/MainNav';
interface HeaderProps {
navigationContent: ReactNode;
}
export const Header = ({ navigationContent }: HeaderProps) => {
const [scrolled, setScrolled] = useState(false);
const [open, setOpen] = useState(false);
const blogInfo = useContext(AppContext);
const buttonLabel = blogInfo ? `${blogInfo.name}` : 'Find a Dealer';
const buttonLink = blogInfo ? `tel:${blogInfo.name}` : '/find-a-dealer';
useEffect(() => {
const handleScroll = () => {
const isScrolled = window.scrollY > 10;
if (isScrolled !== scrolled) {
setScrolled(!scrolled);
}
};
document.addEventListener('scroll', handleScroll, { passive: true });
return () => {
document.removeEventListener('scroll', handleScroll);
};
}, [scrolled]);
return (
<>
<NotificationBar notificationContent={navigationContent} />
<header
className={scrolled ? css(s.header, s.header__scrolled) : s.header}
data-open={open ? 'true' : ''}
>
<nav className={s.header__navigation}>
<ul className={s.header__container}>
<li className={s.header__logo}>
<Link to="/" className={s.header__link}>
<Logo />
</Link>
</li>
<li className={s.header__primary}>
<MainNav navigationItems={navigationContent} />
</li>
<li className={s.header__utility}>
<Button href={buttonLink}>{buttonLabel}</Button>
</li>
<li className={s.header__burger}>
<MenuIcon onClick={() => setOpen(!open)} />
</li>
</ul>
</nav>
</header>
</>
);
};
我需要的是 header__utility
中的按钮动态显示所选经销商的名称和 phone 号码。我可以根据需要澄清任何事情,我是 React 的新手,并且仍在学习如何表达我需要的一切。
谢谢!
好吧,我在过去 24 小时内进行了大量挖掘工作,终于找到了解决方案。
我得到了上下文,为了清楚起见,现在命名为 ApiContext
。
ApiContext.tsx
import React, { createContext } from 'react';
import axios from 'axios';
import { makeUseAxios } from 'axios-hooks';
import { useCookie } from 'hooks/use-cookie';
const contextObject = {} as any;
export const context = createContext(contextObject);
const useAxios = makeUseAxios({
axios: axios.create({ baseURL: process.env.GATSBY_API_ENDPOINT }),
});
export const ApiContext = ({ children }: any) => {
const [cookie] = useCookie('one-day-location', '1');
const [{ data }] = useAxios(`${cookie}`);
const { Provider } = context;
return <Provider value={data}>{children}</Provider>;
};
然后,为了跨组件使用它,我将 AppLayout
包装在 <ApiContext>
:
AppLayout.tsx
import React, { ReactNode } from 'react';
import { ApiContext } from 'contexts/ApiContext';
import { graphql, StaticQuery } from 'gatsby';
import { Devtools } from '../devtools/Devtools';
import { Footer } from '../footer/Footer';
import { Header } from '../header/Header';
import s from './AppLayout.scss';
interface AppLayoutProps {
children: ReactNode;
location: string;
}
const isDev = process.env.NODE_ENV === 'development';
// tslint:disable no-default-export
export default ({ children }: AppLayoutProps) => {
return (
<StaticQuery
query={`${NavQuery}`}
render={(data) => (
<>
<ApiContext>
<Header navigationContent={data.prismic.allNavigations.edges[0].node} />
<div className={s.layout}>
{children}
<Footer navigationItems={data.prismic.allNavigations.edges[0].node} />
{isDev && <Devtools />}
</div>
</ApiContext>
</>
)}
/>
);
};
const NavQuery = graphql`
query NavQuery {
prismic {
allNavigations {
edges {
node {
...NotificationBar
...NavigationItems
...FooterNavigationItems
}
}
}
}
}
`;
在我的 Header
组件中,我可以使用 useContext
挂钩访问数据:
Header.tsx
import React, { ReactNode, useContext, useEffect, useState } from 'react';
import Logo from 'assets/svg/logo.svg';
import css from 'classnames';
import { Button } from 'components/button/Button';
import { Link } from 'components/link/Link';
import { MenuIcon } from 'components/menu-icon/MenuIcon';
import { context } from 'contexts/ApiContext';
import { NotificationBar } from '../notification-bar/NotificationBar';
import s from './Header.scss';
import { MainNav } from './navigation/MainNav';
interface HeaderProps {
navigationContent: ReactNode;
}
export const Header = ({ navigationContent }: HeaderProps) => {
const [scrolled, setScrolled] = useState(false);
const [open, setOpen] = useState(false);
const data = useContext(context);
console.log(data);
const buttonLabel = data ? data.name : 'Find a Dealer';
const buttonLink = data ? `tel:${data.phone}` : '/find-a-dealer';
useEffect(() => {
const handleScroll = () => {
const isScrolled = window.scrollY > 10;
if (isScrolled !== scrolled) {
setScrolled(!scrolled);
}
};
document.addEventListener('scroll', handleScroll, { passive: true });
return () => {
document.removeEventListener('scroll', handleScroll);
};
}, [scrolled]);
return (
<>
<NotificationBar notificationContent={navigationContent} />
<header
className={scrolled ? css(s.header, s.header__scrolled) : s.header}
data-open={open ? 'true' : ''}
>
<nav className={s.header__navigation}>
<ul className={s.header__container}>
<li className={s.header__logo}>
<Link to="/" className={s.header__link}>
<Logo />
</Link>
</li>
<li className={s.header__primary}>
<MainNav navigationItems={navigationContent} />
</li>
<li className={s.header__utility}>
<Button href={buttonLink}>{buttonLabel}</Button>
</li>
<li className={s.header__burger}>
<MenuIcon onClick={() => setOpen(!open)} />
</li>
</ul>
</nav>
</header>
</>
);
};
我仍在进行额外的优化,特别是消除加载页面时的闪烁,并在单击按钮时更新 API,利用 useCookie
,这是一个自定义挂钩我已经建成了。希望这能让搜索此信息的其他人更加清楚,我花了好几个小时才确定解决方案。干杯。
我正在尝试构建我网站的一部分,该部分将从 REST API 动态提取联系信息。此时我正在使用 https://jsonplaceholder.typicode.com.
中的示例 API我正在尝试使用 axios
,特别是 useAxios
和 makeUseAxios
挂钩来获取 API,并将其存储在我创建的应用上下文中然后可以在整个站点使用,最好使用 useContext
挂钩。此外,我需要能够根据用户交互更新 API 调用,允许他们 select 一个位置,进行 API 更新,并将其存储在应用程序的上下文中以便它全部动态更新。
基本上,我已经得到了一个基于 this tutorial 的基本 useContext
场景,但我正在努力解决如何以我可以的方式存储 JSON 响应在 useContext
中引用它。这是我到目前为止最接近的事情:
AppContext.tsx
import React, { createContext, ReactNode } from 'react';
import axios from 'axios';
import { makeUseAxios } from 'axios-hooks';
import { useCookie } from 'hooks/use-cookie';
export const AppContext = createContext();
export const DealerContextProvider = ({children}: any) => {
const useAxios = makeUseAxios({
axios: axios.create({ baseURL: 'https://jsonplaceholder.typicode.com/users/' }),
});
const LOCAL_STORAGE_KEY_DEALER = '_selectedDealerInformation';
const [cookie] = useCookie('one-day-location', '1');
const [dealerInfo] = useAxios(`${cookie}`);
return (
<AppContext.Provider value={[dealerInfo]}>
{children}
</AppContext.Provider>
);
};
还有我的 header 组件,我正在尝试访问它的地方:
import React, { ReactNode, useEffect, useState, useContext } from 'react';
import { AppContext } from 'components/app-context/AppContext';
import Logo from 'assets/svg/logo.svg';
import css from 'classnames';
import { Button } from 'components/button/Button';
import { Link } from 'components/link/Link';
import { NotificationBar } from '../notification-bar/NotificationBar';
import s from './Header.scss';
import { MenuIcon } from 'components/menu-icon/MenuIcon';
import { MainNav } from './navigation/MainNav';
interface HeaderProps {
navigationContent: ReactNode;
}
export const Header = ({ navigationContent }: HeaderProps) => {
const [scrolled, setScrolled] = useState(false);
const [open, setOpen] = useState(false);
const blogInfo = useContext(AppContext);
const buttonLabel = blogInfo ? `${blogInfo.name}` : 'Find a Dealer';
const buttonLink = blogInfo ? `tel:${blogInfo.name}` : '/find-a-dealer';
useEffect(() => {
const handleScroll = () => {
const isScrolled = window.scrollY > 10;
if (isScrolled !== scrolled) {
setScrolled(!scrolled);
}
};
document.addEventListener('scroll', handleScroll, { passive: true });
return () => {
document.removeEventListener('scroll', handleScroll);
};
}, [scrolled]);
return (
<>
<NotificationBar notificationContent={navigationContent} />
<header
className={scrolled ? css(s.header, s.header__scrolled) : s.header}
data-open={open ? 'true' : ''}
>
<nav className={s.header__navigation}>
<ul className={s.header__container}>
<li className={s.header__logo}>
<Link to="/" className={s.header__link}>
<Logo />
</Link>
</li>
<li className={s.header__primary}>
<MainNav navigationItems={navigationContent} />
</li>
<li className={s.header__utility}>
<Button href={buttonLink}>{buttonLabel}</Button>
</li>
<li className={s.header__burger}>
<MenuIcon onClick={() => setOpen(!open)} />
</li>
</ul>
</nav>
</header>
</>
);
};
我需要的是 header__utility
中的按钮动态显示所选经销商的名称和 phone 号码。我可以根据需要澄清任何事情,我是 React 的新手,并且仍在学习如何表达我需要的一切。
谢谢!
好吧,我在过去 24 小时内进行了大量挖掘工作,终于找到了解决方案。
我得到了上下文,为了清楚起见,现在命名为 ApiContext
。
ApiContext.tsx
import React, { createContext } from 'react';
import axios from 'axios';
import { makeUseAxios } from 'axios-hooks';
import { useCookie } from 'hooks/use-cookie';
const contextObject = {} as any;
export const context = createContext(contextObject);
const useAxios = makeUseAxios({
axios: axios.create({ baseURL: process.env.GATSBY_API_ENDPOINT }),
});
export const ApiContext = ({ children }: any) => {
const [cookie] = useCookie('one-day-location', '1');
const [{ data }] = useAxios(`${cookie}`);
const { Provider } = context;
return <Provider value={data}>{children}</Provider>;
};
然后,为了跨组件使用它,我将 AppLayout
包装在 <ApiContext>
:
AppLayout.tsx
import React, { ReactNode } from 'react';
import { ApiContext } from 'contexts/ApiContext';
import { graphql, StaticQuery } from 'gatsby';
import { Devtools } from '../devtools/Devtools';
import { Footer } from '../footer/Footer';
import { Header } from '../header/Header';
import s from './AppLayout.scss';
interface AppLayoutProps {
children: ReactNode;
location: string;
}
const isDev = process.env.NODE_ENV === 'development';
// tslint:disable no-default-export
export default ({ children }: AppLayoutProps) => {
return (
<StaticQuery
query={`${NavQuery}`}
render={(data) => (
<>
<ApiContext>
<Header navigationContent={data.prismic.allNavigations.edges[0].node} />
<div className={s.layout}>
{children}
<Footer navigationItems={data.prismic.allNavigations.edges[0].node} />
{isDev && <Devtools />}
</div>
</ApiContext>
</>
)}
/>
);
};
const NavQuery = graphql`
query NavQuery {
prismic {
allNavigations {
edges {
node {
...NotificationBar
...NavigationItems
...FooterNavigationItems
}
}
}
}
}
`;
在我的 Header
组件中,我可以使用 useContext
挂钩访问数据:
Header.tsx
import React, { ReactNode, useContext, useEffect, useState } from 'react';
import Logo from 'assets/svg/logo.svg';
import css from 'classnames';
import { Button } from 'components/button/Button';
import { Link } from 'components/link/Link';
import { MenuIcon } from 'components/menu-icon/MenuIcon';
import { context } from 'contexts/ApiContext';
import { NotificationBar } from '../notification-bar/NotificationBar';
import s from './Header.scss';
import { MainNav } from './navigation/MainNav';
interface HeaderProps {
navigationContent: ReactNode;
}
export const Header = ({ navigationContent }: HeaderProps) => {
const [scrolled, setScrolled] = useState(false);
const [open, setOpen] = useState(false);
const data = useContext(context);
console.log(data);
const buttonLabel = data ? data.name : 'Find a Dealer';
const buttonLink = data ? `tel:${data.phone}` : '/find-a-dealer';
useEffect(() => {
const handleScroll = () => {
const isScrolled = window.scrollY > 10;
if (isScrolled !== scrolled) {
setScrolled(!scrolled);
}
};
document.addEventListener('scroll', handleScroll, { passive: true });
return () => {
document.removeEventListener('scroll', handleScroll);
};
}, [scrolled]);
return (
<>
<NotificationBar notificationContent={navigationContent} />
<header
className={scrolled ? css(s.header, s.header__scrolled) : s.header}
data-open={open ? 'true' : ''}
>
<nav className={s.header__navigation}>
<ul className={s.header__container}>
<li className={s.header__logo}>
<Link to="/" className={s.header__link}>
<Logo />
</Link>
</li>
<li className={s.header__primary}>
<MainNav navigationItems={navigationContent} />
</li>
<li className={s.header__utility}>
<Button href={buttonLink}>{buttonLabel}</Button>
</li>
<li className={s.header__burger}>
<MenuIcon onClick={() => setOpen(!open)} />
</li>
</ul>
</nav>
</header>
</>
);
};
我仍在进行额外的优化,特别是消除加载页面时的闪烁,并在单击按钮时更新 API,利用 useCookie
,这是一个自定义挂钩我已经建成了。希望这能让搜索此信息的其他人更加清楚,我花了好几个小时才确定解决方案。干杯。