Gatsby 盖茨比制造错误“;“未定义文档”;仅在Netlify上
当我在Netlify上构建时,我在404页面上收到一个文档未定义构建错误,但该构建在我的本地计算机上成功运行。我也没有在我的页面中引用任何文档或窗口对象 我已尝试删除404页,但相同的错误出现在列表的下一页 这是我的404页Gatsby 盖茨比制造错误“;“未定义文档”;仅在Netlify上,gatsby,netlify,Gatsby,Netlify,当我在Netlify上构建时,我在404页面上收到一个文档未定义构建错误,但该构建在我的本地计算机上成功运行。我也没有在我的页面中引用任何文档或窗口对象 我已尝试删除404页,但相同的错误出现在列表的下一页 这是我的404页 import React from "react"; import styled from "styled-components"; import AniLink from "gatsby-plugin-transition-link/AniLink"; const Co
import React from "react";
import styled from "styled-components";
import AniLink from "gatsby-plugin-transition-link/AniLink";
const Container = styled.div`
width: 100vw;
height: 100vh;
margin: 0;
padding: 0;
background: black;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
z-index: 800;
color: white;
`;
const Heading = styled.h1`
font-family: "URWAccidalia";
font-size: 50px;
color: white;
text-align: center;
z-index: 805;
`;
const HomeButton = styled(AniLink)`
font-family: "URWAccidalia";
font-size: 30px;
color: white;
text-align: center;
margin-top: 50px;
z-index: 806;
background: none;
border: none;
text-decoration: none;
opacity: 1;
`;
const ErrorPage = () => {
return (
<Container>
<Heading>Page Not Found</Heading>
<HomeButton fade to="/">
Go Back to Home
</HomeButton>
</Container>
);
};
export default ErrorPage;
简短回答:Gatsby在构建时预先渲染组件,以静态方式为其服务(模拟服务器端渲染)。确保仅在安装组件(客户端)时访问浏览器上下文变量,如文档
。您可以使用useState和useEffect挂钩的组合来实现这一点
盖茨比试图构建静态服务的页面,但它缺少构建时的文档
全局变量,该变量仅在浏览器上下文中可用
在您的情况下,我认为问题可能是由AniLink组件在构建时触发的,因为它使用文档
变量,如您所见。尝试延迟AniLink或父组件的实例化
例如:
const ErrorPage = () => {
const [canRender, setCanRender] = useState(false);
useEffect(() => setCanRender(true));
return (
<Container>
{
canRender ?
<div>
<Heading>Page Not Found</Heading>
<HomeButton fade to="/">
Go Back to Home
</HomeButton>
</div>
: null
}
</Container>
);
}
您可以通过以下更改解决问题:
const Page = () =>
const [hasNavTag, setHasNavTag] = useState(false);
useEffect(() => setHasNavTag(document.querySelector('nav') != null) );
return (
<div>
{
hasNavTag
? `This is page has a nav tag`
: `This page doesn't have a nav tag`
}
</div>
);
}
const Page=()=>
const[hasNavTag,setHasNavTag]=useState(false);
useffect(()=>setHasNavTag(document.querySelector('nav')!=null));
返回(
{
hasNavTag
“这是一个有导航标签的页面`
:`此页面没有导航标记`
}
);
}
迟做总比不做好:)
const Page = () => {
return (
<div>
{
document.querySelector('nav')
? `This is page has a nav tag`
: `This page doesn't have a nav tag`
}
</div>
);
}
const Page = () =>
const [hasNavTag, setHasNavTag] = useState(false);
useEffect(() => setHasNavTag(document.querySelector('nav') != null) );
return (
<div>
{
hasNavTag
? `This is page has a nav tag`
: `This page doesn't have a nav tag`
}
</div>
);
}