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gatsby-node.js
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gatsby-node.js
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const path = require(`path`)
const _ = require("lodash")
const { createFilePath } = require(`gatsby-source-filesystem`)
const createPaginatedPages = require('gatsby-paginate')
exports.createPages = async ({ graphql, actions }) => {
const { createPage } = actions
const blogPost = path.resolve(`./src/templates/blogPost/index.jsx`)
const result = await graphql(
`
{
allMarkdownRemark(
sort: { fields: [frontmatter___date], order: DESC }
) {
edges {
node {
id
frontmatter {
title
tags
date(
formatString: "YYYY年MM月DD日"
locale: "zh-cn"
)
}
fields {
slug
}
excerpt
}
}
}
}
`
)
if (result.errors) {
throw result.errors
}
// Create blog posts pages.
const posts = result.data.allMarkdownRemark.edges
createPaginatedPages({
edges: posts,
createPage: createPage,
pageTemplate: 'src/templates/index.jsx',
pageLength: 6, // This is optional and defaults to 10 if not used
pathPrefix: '', // This is optional and defaults to an empty string if not used
context: {}, // This is optional and defaults to an empty object if not used
})
// Tag pages:
const tagTemplate = path.resolve('./src/templates/tags/index.jsx')
// let tags = []
// // Iterate through each post, putting all found tags into `tags`
// _.each(posts, edge => {
// if (_.get(edge, "node.frontmatter.tags")) {
// edge.node.frontmatter.tags.split(',').forEach((item)=>{
// tags.push(item)
// })
// }
// })
// // Eliminate duplicate tags
// tags = _.uniq(tags)
// console.log(tags)
// // Make tag pages
// tags.forEach(tag => {
// console.log(_.kebabCase(tag))
// createPage({
// path: `/tags/${_.kebabCase(tag)}/`,
// component: tagTemplate,
// context: {
// tag:`${tag}`
// },
// })
// })
const archives = []
try {
const getDate = d => d.substr(0, d.indexOf("月") +1)
const obj = _.groupBy(posts, (v) => getDate(v.node.frontmatter.date))
_.mapKeys(obj, (v,k) => archives.push({ month: k, length: v.length }))
} catch (e) {
console.log('has error*')
}
archives.forEach(({ month }) => {
createPage({
path: `/archives/${_.kebabCase(month.replace(/[\u4e00-\u9fa5]/g, '-'))}/`,
component: path.resolve(`./src/templates/archives/index.jsx`),
context: {
month,
},
})
})
posts.forEach((post, index) => {
const previous = index === posts.length - 1 ? null : posts[index + 1].node
const next = index === 0 ? null : posts[index - 1].node
createPage({
path: post.node.fields.slug,
component: blogPost,
context: {
slug: post.node.fields.slug,
previous,
next,
},
})
})
}
exports.onCreateNode = ({ node, actions, getNode }) => {
const { createNodeField } = actions
if (node.internal.type === `MarkdownRemark`) {
const value = createFilePath({ node, getNode })
createNodeField({
name: `slug`,
node,
value,
})
}
}
exports.onCreateWebpackConfig = ({ actions, loaders, getConfig }) => {
const config = getConfig()
config.module.rules = [
// Omit the default rule where test === '\.jsx?$'
...config.module.rules.filter(
rule => String(rule.test) !== String(/\.jsx?$/)
),
// Recreate it with custom exclude filter
{
// Called without any arguments, `loaders.js()` will return an
// object like:
// {
// options: undefined,
// loader: '/path/to/node_modules/gatsby/dist/utils/babel-loader.js',
// }
// Unless you're replacing Babel with a different transpiler, you probably
// want this so that Gatsby will apply its required Babel
// presets/plugins. This will also merge in your configuration from
// `babel.config.js`.
...loaders.js(),
test: /\.jsx?$/,
// Exclude all node_modules from transpilation, except for 'swiper' and 'dom7'
exclude: modulePath =>
/node_modules/.test(modulePath) &&
!/node_modules\/(swiper|dom7)/.test(modulePath),
},
]
// This will completely replace the webpack config with the modified object.
actions.replaceWebpackConfig(config)
}