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fix: block creation and hot reloading (#66127)

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This commit is contained in:
Oliver Eyton-Williams
2026-02-27 13:52:08 +01:00
committed by GitHub
parent ba61d33698
commit a6d1e545c0
9 changed files with 145 additions and 124 deletions
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tools/client-plugins/gatsby-source-challenges/gatsby-node.js
+41 -24
View File
@@ -1,5 +1,7 @@
const chokidar = require('chokidar');
const { sortBy } = require('lodash');
const {
getSuperblockStructure
} = require('@freecodecamp/curriculum/file-handler');
@@ -16,8 +18,6 @@ const {
// createPagesStatefully only runs once, but we need the following when
// updating challenges, so they have to be stored in memory.
let allChallengeNodes;
let idToNextPathCurrentCurriculum;
let idToPrevPathCurrentCurriculum;
const filepathToStatefullyCreatedNodes = new Map();
const filePathToCreatedNodes = new Map();
// reverse lookup, to detect if an updated file has "overwritten" another file
@@ -120,6 +120,10 @@ exports.sourceNodes = function sourceChallengesSourceNodes(
}
function handleChallengeUpdate(filePath, action = 'changed') {
// This has to be a blunt instrument, since we're not watching the structure
// files. If a .md file changes, we have to assume the structure may have
// changed too and update the structure nodes accordingly.
createSuperBlockStructureNodes();
if (action === 'deleted') {
// We have to return before calling onSourceChange, since the file is
// gone.
@@ -254,6 +258,22 @@ exports.sourceNodes = function sourceChallengesSourceNodes(
});
};
const createIdToNextPathMap = nodes =>
nodes.reduce((map, node, index) => {
const nextNode = nodes[index + 1];
const nextPath = nextNode ? nextNode.challenge.fields.slug : null;
if (nextPath) map[node.id] = nextPath;
return map;
}, {});
const createIdToPrevPathMap = nodes =>
nodes.reduce((map, node, index) => {
const prevNode = nodes[index - 1];
const prevPath = prevNode ? prevNode.challenge.fields.slug : null;
if (prevPath) map[node.id] = prevPath;
return map;
}, {});
exports.createPagesStatefully = async function ({ graphql, actions }) {
const result = await graphql(`
{
@@ -322,25 +342,10 @@ exports.createPagesStatefully = async function ({ graphql, actions }) {
({ node }) => node
);
const createIdToNextPathMap = nodes =>
nodes.reduce((map, node, index) => {
const nextNode = nodes[index + 1];
const nextPath = nextNode ? nextNode.challenge.fields.slug : null;
if (nextPath) map[node.id] = nextPath;
return map;
}, {});
const createIdToPrevPathMap = nodes =>
nodes.reduce((map, node, index) => {
const prevNode = nodes[index - 1];
const prevPath = prevNode ? prevNode.challenge.fields.slug : null;
if (prevPath) map[node.id] = prevPath;
return map;
}, {});
idToNextPathCurrentCurriculum = createIdToNextPathMap(allChallengeNodes);
idToPrevPathCurrentCurriculum = createIdToPrevPathMap(allChallengeNodes);
const idToNextPathCurrentCurriculum =
createIdToNextPathMap(allChallengeNodes);
const idToPrevPathCurrentCurriculum =
createIdToPrevPathMap(allChallengeNodes);
const nodeToPage = createChallengePages(actions.createPage, {
idToNextPathCurrentCurriculum,
@@ -352,15 +357,27 @@ exports.createPagesStatefully = async function ({ graphql, actions }) {
};
exports.createPages = function ({ actions }) {
if (!allChallengeNodes) return;
// actions.createPage has to be called in the createPages hook
const nodes = [...filePathToCreatedNodes.values()].flat();
for (const node of nodes) {
const newNodes = [...filePathToCreatedNodes.values()].flat();
// Nodes need sorting so createChallengePages can find the first and last
// challenges in a block.
const sortedNodes = sortBy(
[...allChallengeNodes, ...newNodes],
['challenge.superOrder', 'challenge.order', 'challenge.challengeOrder']
);
const idToNextPathCurrentCurriculum = createIdToNextPathMap(sortedNodes);
const idToPrevPathCurrentCurriculum = createIdToPrevPathMap(sortedNodes);
for (const node of newNodes) {
const nodeToPage = createChallengePages(actions.createPage, {
idToNextPathCurrentCurriculum,
idToPrevPathCurrentCurriculum
});
nodeToPage(node, 0, allChallengeNodes);
nodeToPage(node, 0, sortedNodes);
}
// It's important NOT to clear the createdNodes, since Gatsby deletes any