tweak mechanism for auto-attaching project images

gatsby-node.js

@@ -1,6 +1,5 @@
 /* eslint-disable no-console */
 
-// const path = require('path')
 const remark = require('remark')
 const parse = require('remark-parse')
 const html = require('remark-html')
@@ -84,19 +83,26 @@ exports.onPreBootstrap = async () => {
 }
 
 //
-// Add repos to front page's context
+// Add pageContext
 //
 exports.onCreatePage = async ({ page, actions }) => {
-  const { createPage } = actions
+  const { createPage, deletePage } = actions
 
-  if (page.path === '/')
+  // Regex for auto-attaching project images to pages based on slug.
-    createPage({
+  // Image file names follow the pattern slug-01.png.
-      ...page,
+  // Regex inspiration from https://stackoverflow.com/a/7124976
-      context: {
+  const imageRegex = `/${page.path.replaceAll('/', '')}+?(?=-\\d)/`
-        ...page.context,
+
-        repos
+  deletePage(page)
-      }
+  createPage({
-    })
+    ...page,
+    context: {
+      ...page.context,
+      imageRegex,
+      // Add repos only to front page's context
+      ...(page.path === '/' && { repos })
+    }
+  })
 }
 
 exports.onCreateNode = ({ node, actions }) => {

src/pages/{ProjectsYaml.slug}.jsx

@@ -82,7 +82,7 @@ export default class Project extends PureComponent {
 }
 
 export const projectQuery = graphql`
-  query($slug: String!) {
+  query($slug: String!, $imageRegex: String!) {
     projectsYaml(slug: { eq: $slug }) {
       title
       slug
@@ -106,7 +106,7 @@ export const projectQuery = graphql`
     }
 
     projectImages: allImageSharp(
-      filter: { fluid: { originalName: { regex: $slug } } }
+      filter: { fluid: { originalName: { regex: $imageRegex } } }
       sort: { fields: [fluid___originalName], order: ASC }
     ) {
       edges {