perf: implement shouldOnCreateNode for all our plugins/benchmarks

benchmarks/gabe-csv-markdown/gatsby-node.js

@@ -42,21 +42,26 @@ exports.createPages = async ({ graphql, actions }) => {
   })
 }
 
+function unstable_shouldOnCreateNode({ node }) {
+  return node.internal.type === `GendataCsv`
+}
+
 // Not sure if there is a better way than to create a proxy node for markdown to pick up
 // I certainly can't get remark to to pick up csv nodes :(
-exports.onCreateNode = ({ node, actions }) => {
+function onCreateNode({ node, actions }) {
   const { createNode } = actions
 
-  if (node.internal.type === `GendataCsv`) {
-    createNode({
-      id: `${node.id}-MarkdownProxy`,
-      parent: node.id,
-      internal: {
-        type: `MarkdownProxy`,
-        mediaType: "text/markdown",
-        content: node.articleContent,
-        contentDigest: node.articleContent,
-      },
-    })
-  }
+  createNode({
+    id: `${node.id}-MarkdownProxy`,
+    parent: node.id,
+    internal: {
+      type: `MarkdownProxy`,
+      mediaType: "text/markdown",
+      content: node.articleContent,
+      contentDigest: node.articleContent,
+    },
+  })
 }
+
+exports.unstable_shouldOnCreateNode = unstable_shouldOnCreateNode
+exports.onCreateNode = onCreateNode

benchmarks/markdown_id/gatsby-node.js

@@ -48,15 +48,20 @@ exports.createPages = async ({ graphql, actions }) => {
   })
 }
 
-exports.onCreateNode = ({ node, actions, getNode }) => {
+function unstable_shouldOnCreateNode({ node }) {
+  return node.internal.type === `MarkdownRemark`
+}
+
+function onCreateNode({ node, actions, getNode }) {
   const { createNodeField } = actions
 
-  if (node.internal.type === `MarkdownRemark`) {
-    const value = createFilePath({ node, getNode })
-    createNodeField({
-      name: `slug`,
-      node,
-      value,
-    })
-  }
+  const value = createFilePath({ node, getNode })
+  createNodeField({
+    name: `slug`,
+    node,
+    value,
+  })
 }
+
+exports.unstable_shouldOnCreateNode = unstable_shouldOnCreateNode
+exports.onCreateNode = onCreateNode

benchmarks/markdown_slug/gatsby-node.js

@@ -47,15 +47,20 @@ exports.createPages = async ({ graphql, actions }) => {
   })
 }
 
-exports.onCreateNode = ({ node, actions, getNode }) => {
+function unstable_shouldOnCreateNode({ node }) {
+  return node.internal.type === `MarkdownRemark`
+}
+
+function onCreateNode({ node, actions, getNode }) {
   const { createNodeField } = actions
 
-  if (node.internal.type === `MarkdownRemark`) {
-    const value = createFilePath({ node, getNode })
-    createNodeField({
-      name: `slug`,
-      node,
-      value,
-    })
-  }
+  const value = createFilePath({ node, getNode })
+  createNodeField({
+    name: `slug`,
+    node,
+    value,
+  })
 }
+
+exports.unstable_shouldOnCreateNode = unstable_shouldOnCreateNode
+exports.onCreateNode = onCreateNode

benchmarks/md/gatsby-node.js

@@ -1,20 +1,6 @@
 const path = require("path")
 const { createFilePath } = require("gatsby-source-filesystem")
 
-exports.onCreateNode = ({ node, actions, getNode }) => {
-  const { createNodeField } = actions
-
-  if (node.internal.type === "MarkdownRemark") {
-    const value = createFilePath({ node, getNode })
-
-    createNodeField({
-      name: "path",
-      node,
-      value,
-    })
-  }
-}
-
 exports.createPages = async ({ graphql, actions, reporter }) => {
   const { createPage } = actions
 
@@ -47,3 +33,21 @@ exports.createPages = async ({ graphql, actions, reporter }) => {
     })
   })
 }
+
+function unstable_shouldOnCreateNode({ node }) {
+  return node.internal.type === `MarkdownRemark`
+}
+
+function onCreateNode({ node, actions, getNode }) {
+  const { createNodeField } = actions
+
+  const value = createFilePath({ node, getNode })
+  createNodeField({
+    name: `path`,
+    node,
+    value,
+  })
+}
+
+exports.unstable_shouldOnCreateNode = unstable_shouldOnCreateNode
+exports.onCreateNode = onCreateNode

benchmarks/mdx/gatsby-node.js

@@ -1,18 +1,20 @@
 const path = require("path")
 const { createFilePath } = require("gatsby-source-filesystem")
 
+exports.unstable_shouldOnCreateNode = function ({ node }) {
+  return node.internal.type === "Mdx"
+}
+
 exports.onCreateNode = ({ node, actions, getNode }) => {
   const { createNodeField } = actions
 
-  if (node.internal.type === "Mdx") {
-    const value = createFilePath({ node, getNode })
+  const value = createFilePath({ node, getNode })
 
-    createNodeField({
-      name: "path",
-      node,
-      value,
-    })
-  }
+  createNodeField({
+    name: "path",
+    node,
+    value,
+  })
 }
 
 exports.createPages = async ({ graphql, actions, reporter }) => {

benchmarks/source-agilitycms/gatsby-node.js

@@ -1,57 +1,69 @@
-const agility = require('./src/agility/utils')
+const agility = require("./src/agility/utils")
 const { createRemoteFileNode } = require("gatsby-source-filesystem")
 
 //gatsy-node.js
 //CREATE RESOLVERS *******************************************************************************************
 exports.createResolvers = (args) => {
+  const {
+    createResolvers,
+    getNode,
+    createNodeId,
+    createNode,
+    createContentDigest,
+    configOptions,
+  } = args
 
-	const { createResolvers, getNode, createNodeId, createNode, createContentDigest, configOptions } = args;
+  const resolvers = {
+    //on the 'agilityPost' node type...
+    agilityPost: {
+      //get the sitemap node that represents this item - useful for retrieving the URL for the item
+      sitemapNode: agility.getDynamicPageItemSitemapNode(),
 
-	const resolvers = {
-		//on the 'agilityPost' node type...
-		agilityPost: {
-			//get the sitemap node that represents this item - useful for retrieving the URL for the item
-			sitemapNode: agility.getDynamicPageItemSitemapNode(),
+      //[Not Implemented]
+      //if we had a linked content field for 'author', this is how we'd get the author for this post in a single GraphQl query
+      //linkedContent_agilityAuthor: agility.getLinkedContentItem({ type: 'agilityAuthor', linkedContentFieldName: 'author' })
+    },
 
-			//[Not Implemented]
-			//if we had a linked content field for 'author', this is how we'd get the author for this post in a single GraphQl query
-			//linkedContent_agilityAuthor: agility.getLinkedContentItem({ type: 'agilityAuthor', linkedContentFieldName: 'author' })
-		},
+    //[Not Implemented]
+    //if we had an 'Image Slider' module and it had a list of slides via a linked content field called 'slides', this is how we'd retrieve a list of those slides in a single GraphQL query
+    // agilityImageSlider: {
+    //     linkedContent_agilitySlides: agility.getLinkedContentList({ type: 'agilitySlide', linkedContentFieldName: 'slides' })
+    // }
+  }
+  createResolvers(resolvers)
+}
 
-		//[Not Implemented]
-		//if we had an 'Image Slider' module and it had a list of slides via a linked content field called 'slides', this is how we'd retrieve a list of those slides in a single GraphQL query
-		// agilityImageSlider: {
-		//     linkedContent_agilitySlides: agility.getLinkedContentList({ type: 'agilitySlide', linkedContentFieldName: 'slides' })
-		// }
-	}
-	createResolvers(resolvers)
+function unstable_shouldOnCreateNode({node}) {
+  return (
+    node.properties && node.properties.referenceName.toLowerCase() === `posts`
+  )
 }
 
+exports.unstable_shouldOnCreateNode = unstable_shouldOnCreateNode
+
 exports.onCreateNode = async ({
-	node,
-	actions: { createNode },
-	store,
-	cache,
-	createNodeId,
+  node,
+  actions: { createNode },
+  store,
+  cache,
+  createNodeId,
 }) => {
-
-	if (node.properties
-		&& node.properties.referenceName.toLowerCase() === `posts`) {
-		let field = "image"
-		let imageUrl = node.customFields[field]
-		if (imageUrl) {
-			let fileNode = await createRemoteFileNode({
-				url: imageUrl, // string that points to the URL of the image
-				parentNodeId: node.id, // id of the parent node of the fileNode you are going to create
-				createNode, // helper function in gatsby-node to generate the node
-				createNodeId, // helper function in gatsby-node to generate the node id
-				cache, // Gatsby's cache
-				store, // Gatsby's redux store
-			})
-			// if the file was created, attach the new node to the parent node
-			if (fileNode) {
-				node.customFields[`${field}LocalImg___NODE`] = fileNode.id
-			}
-		}
-	}
-}
+  if (unstable_shouldOnCreateNode({node})) {
+    let field = "image"
+    let imageUrl = node.customFields[field]
+    if (imageUrl) {
+      let fileNode = await createRemoteFileNode({
+        url: imageUrl, // string that points to the URL of the image
+        parentNodeId: node.id, // id of the parent node of the fileNode you are going to create
+        createNode, // helper function in gatsby-node to generate the node
+        createNodeId, // helper function in gatsby-node to generate the node id
+        cache, // Gatsby's cache
+        store, // Gatsby's redux store
+      })
+      // if the file was created, attach the new node to the parent node
+      if (fileNode) {
+        node.customFields[`${field}LocalImg___NODE`] = fileNode.id
+      }
+    }
+  }
+}

benchmarks/source-cosmicjs/gatsby-node.js

@@ -1,9 +1,15 @@
 const kebabCase = require(`lodash.kebabcase`)
 
+function unstable_shouldOnCreateNode({node}) {
+  return node.internal.type === "node__article"
+}
+
+exports.unstable_shouldOnCreateNode = unstable_shouldOnCreateNode
+
 exports.onCreateNode = ({ actions, node }) => {
   const { createNodeField } = actions
 
-  if (node.internal.type === 'node__article') {
+  if (unstable_shouldOnCreateNode({node})) {
     createNodeField({ node, name: "slug", value: kebabCase(node.title) })
   }
 }
@@ -27,13 +33,13 @@ exports.createPages = async ({ actions, graphql, reporter }) => {
     reporter.panicOnBuild(result.errors)
   }
 
-  result.data.articles.edges.map(article => {
+  result.data.articles.edges.map((article) => {
     createPage({
       path: article.node.slug,
       component: require.resolve(`./src/templates/article.js`),
       context: {
         slug: article.node.slug,
-      }
+      },
     })
   })
-}
+}

benchmarks/source-datocms/gatsby-node.js

@@ -1,9 +1,15 @@
 const kebabCase = require(`lodash.kebabcase`)
 
+function unstable_shouldOnCreateNode({node}) {
+  return node.internal.type === `node__article`
+}
+
+exports.unstable_shouldOnCreateNode = unstable_shouldOnCreateNode
+
 exports.onCreateNode = ({ actions, node }) => {
   const { createNodeField } = actions
 
-  if (node.internal.type === `node__article`) {
+  if (unstable_shouldOnCreateNode({node})) {
     createNodeField({ node, name: `slug`, value: kebabCase(node.title) })
   }
 }

benchmarks/source-drupal/gatsby-node.js

@@ -1,9 +1,15 @@
 const kebabCase = require(`lodash.kebabcase`)
 
+function unstable_shouldOnCreateNode({node}) {
+  return node.internal.type === `node__article`
+}
+
+exports.unstable_shouldOnCreateNode = unstable_shouldOnCreateNode
+
 exports.onCreateNode = ({ actions, node }) => {
   const { createNodeField } = actions
 
-  if (node.internal.type === "node__article") {
+  if (unstable_shouldOnCreateNode({node})) {
     createNodeField({ node, name: "slug", value: kebabCase(node.title) })
   }
 }

benchmarks/source-flotiq/gatsby-node.js

@@ -1,9 +1,15 @@
 const kebabCase = require(`lodash.kebabcase`)
 
+function unstable_shouldOnCreateNode({node}) {
+  return node.internal.type === `node__article`
+}
+
+exports.unstable_shouldOnCreateNode = unstable_shouldOnCreateNode
+
 exports.onCreateNode = ({ actions, node }) => {
   const { createNodeField } = actions
 
-  if (node.internal.type === "node__article") {
+  if (unstable_shouldOnCreateNode({node})) {
     createNodeField({ node, name: "slug", value: kebabCase(node.title) })
   }
 }

packages/gatsby-plugin-mdx/gatsby-node.js

@@ -4,15 +4,25 @@ const { MDX_SCOPES_LOCATION } = require(`./constants`)
 const defaultOptions = require(`./utils/default-options`)
 const fs = require(`fs`)
 
+const {
+  onCreateNode,
+  unstable_shouldOnCreateNode
+} = require(`./gatsby/on-create-node`)
+
 /**
  * Create Mdx types and resolvers
  */
 exports.sourceNodes = require(`./gatsby/source-nodes`)
 
+/**
+ * Check whether the Create Mdx nodes from MDX files.
+ */
+exports.unstable_shouldOnCreateNode = unstable_shouldOnCreateNode
+
 /**
  * Create Mdx nodes from MDX files.
  */
-exports.onCreateNode = require(`./gatsby/on-create-node`)
+exports.onCreateNode = onCreateNode
 
 /**
  * Add frontmatter as page context for MDX pages