initial commit

packages/learn/gatsby-node.js

@@ -1,7 +1,86 @@
-/**
- * Implement Gatsby's Node APIs in this file.
- *
- * See: https://www.gatsbyjs.org/docs/node-apis/
- */
+const path = require('path');
+const { dasherize } = require('./utils');
+const { viewTypes } = require('./utils/challengeTypes');
+const { blockNameify } = require('./utils/blockNameify');
 
- // You can delete this file if you're not using it
+const views = {
+  // backend: BackEnd,
+  classic: path.resolve(
+    __dirname,
+    './src/templates/Challenges/views/classic/Show.js'
+  ),
+  // modern: Modern,
+  project: path.resolve(
+    __dirname,
+    './src/templates/Challenges/views/project/Show.js'
+  ),
+  // quiz: Quiz,
+  // simple: Project,
+  step: path.resolve(__dirname, './src/templates/Challenges/views/step/Show.js')
+  // invalid: NotFound
+};
+
+exports.onCreateNode = function onCreateNode({ node, boundActionCreators }) {
+  const { createNodeField } = boundActionCreators;
+  if (node.internal.type === 'ChallengeNode') {
+    const { tests = [], block, title, superBlock } = node;
+
+    const slug = `/${dasherize(superBlock)}/${dasherize(block)}/${dasherize(
+      title
+    )}`;
+    createNodeField({ node, name: 'slug', value: slug });
+    createNodeField({ node, name: 'blockName', value: blockNameify(block) });
+    // TODO: Normalise tests to { test: '', testString: ''}?
+    createNodeField({ node, name: 'tests', value: tests });
+  }
+};
+
+exports.createPages = ({ graphql, boundActionCreators }) => {
+  const { createPage } = boundActionCreators;
+
+  return new Promise((resolve, reject) => {
+    // Query for all markdown "nodes" and for the slug we previously created.
+    resolve(
+      graphql(`
+        {
+          allChallengeNode(sort: { fields: [superOrder, order, suborder] }) {
+            edges {
+              node {
+                challengeType
+                id
+                fields {
+                  slug
+                }
+              }
+            }
+          }
+        }
+      `).then(result => {
+        if (result.errors) {
+          console.log(result.errors);
+          reject(result.errors);
+        }
+
+        // Create challenge pages.
+        result.data.allChallengeNode.edges.forEach((edge, index, thisArray) => {
+          const { fields: { slug }, challengeType, id } = edge.node;
+          const next = thisArray[index + 1];
+          const nextChallengePath = next ? next.node.fields.slug : '/';
+          createPage({
+            path: slug,
+            component: views[viewTypes[challengeType]],
+            context: {
+              challengeMeta: {
+                nextChallengePath,
+                id
+              },
+              slug
+            }
+          });
+        });
+
+        return;
+      })
+    );
+  });
+};