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gatsby-node.js
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gatsby-node.js
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const path = require(`path`);
const express = require('express');
const { createFilePath } = require(`gatsby-source-filesystem`)
exports.onCreateDevServer = ({ app }) => {
app.use(express.static('public'))
}
exports.createPages = ({ graphql, actions }) => {
const { createPage } = actions
const blogPost = path.resolve(`./src/templates/blog-post.js`)
return graphql(
`
{
allMarkdownRemark(
sort: { fields: [frontmatter___date], order: DESC }
limit: 1000
) {
edges {
node {
fields {
slug
}
frontmatter {
title
tag
}
}
}
}
}
`
).then(result => {
if (result.errors) {
throw result.errors
}
// Create blog posts pages.
const posts = result.data.allMarkdownRemark.edges
const tagSet = new Set();
posts.forEach((post, index) => {
const previous = index === posts.length - 1 ? null : posts[index + 1].node
const next = index === 0 ? null : posts[index - 1].node
const { tag } = post.node.frontmatter;
if (tag) {
tag.forEach(item => tagSet.add(item));
}
createPage({
path: post.node.fields.slug,
component: blogPost,
context: {
slug: post.node.fields.slug,
previous,
next,
},
})
})
// Create blog post list pages
const postsPerPage = 8;
const numPages = Math.ceil(posts.length / postsPerPage);
Array.from({ length: numPages }).forEach((_, i) => {
createPage({
path: i === 0 ? `/` : `/Page/${i + 1}`,
component: path.resolve('src/templates/blog-list.js'),
context: {
limit: postsPerPage,
skip: i * postsPerPage,
numPages,
currentPage: i + 1
},
});
});
tagSet.forEach((tag) => {
createPage({
path: `/Label/${tag}`,
component: path.resolve('src/templates/tag.js'),
context: {
tag,
},
})
})
const timePage = 5;
const numtimePages = Math.ceil(posts.length / timePage);
Array.from({ length: numtimePages }).forEach((_, i) => {
createPage({
path: i === 0 ? `/Timeline` : `/Timeline/${i + 1}`,
component: path.resolve('src/templates/Timeline.js'),
context: {
tlimit: timePage,
tskip: i * timePage,
numtimePages,
currenttimePage: i + 1
},
});
});
})
}
exports.onCreateNode = ({ node, actions, getNode }) => {
const { createNodeField } = actions
if (node.internal.type === `MarkdownRemark`) {
const value = createFilePath({ node, getNode })
createNodeField({
name: `slug`,
node,
value,
})
}
}
//解决方案是自定义 Webpack配置,以在服务器渲染期间用虚拟模块替换有问题的模块。或者使用react-loadable
/*exports.onCreateWebpackConfig = ({ stage, loaders, actions }) => {
if (stage === "build-html") {
actions.setWebpackConfig({
module: {
rules: [
{
test: /APlayer/,
use: loaders.null(),
},
],
},
})
}
}*/