88 lines
2.6 KiB
JavaScript
88 lines
2.6 KiB
JavaScript
const path = require('path');
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const { findIndex } = require('lodash');
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const readDirP = require('readdirp-walk');
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const { parseMarkdown } = require('@freecodecamp/challenge-md-parser');
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const challengesDir = path.resolve(__dirname, './challenges');
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exports.getChallengesForLang = function getChallengesForLang(lang) {
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let curriculum = {};
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return new Promise(resolve =>
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readDirP({ root: path.resolve(challengesDir, `./${lang}`) })
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.on('data', file => buildCurriculum(file, curriculum))
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.on('end', () => resolve(curriculum))
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);
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};
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async function buildCurriculum(file, curriculum) {
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const { name, depth, path: filePath, fullPath, stat } = file;
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if (depth === 1 && stat.isDirectory()) {
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// extract the superBlock info
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const { order, name: superBlock } = superBlockInfo(name);
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curriculum[superBlock] = { superBlock, order, blocks: {} };
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return;
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}
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if (depth === 2 && stat.isDirectory()) {
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const blockName = getBlockNameFromPath(filePath);
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const metaPath = path.resolve(
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__dirname,
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`./challenges/_meta/${blockName}/meta.json`
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);
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const blockMeta = require(metaPath);
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const { name: superBlock } = superBlockInfoFromPath(filePath);
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const blockInfo = { meta: blockMeta, challenges: [] };
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curriculum[superBlock].blocks[name] = blockInfo;
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return;
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}
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if (name === 'meta.json' || name === '.DS_Store') {
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return;
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}
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const block = getBlockNameFromPath(filePath);
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const { name: superBlock } = superBlockInfoFromPath(filePath);
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const challenge = await parseMarkdown(fullPath);
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let challengeBlock;
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try {
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challengeBlock = curriculum[superBlock].blocks[block];
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} catch (e) {
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console.log(superBlock, block);
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process.exit(0);
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}
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const { meta } = challengeBlock;
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const challengeOrder = findIndex(
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meta.challengeOrder,
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([id]) => id === challenge.id
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);
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const { name: blockName, order, superOrder } = meta;
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challenge.block = blockName;
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challenge.order = order;
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challenge.superOrder = superOrder;
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challenge.superBlock = superBlock;
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challenge.challengeOrder = challengeOrder;
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challengeBlock.challenges = [...challengeBlock.challenges, challenge];
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}
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function superBlockInfoFromPath(filePath) {
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const [maybeSuper] = filePath.split('/');
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return superBlockInfo(maybeSuper);
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}
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function superBlockInfo(fileName) {
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const [maybeOrder, ...superBlock] = fileName.split('-');
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let order = parseInt(maybeOrder, 10);
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if (isNaN(order)) {
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return { order: 0, name: fileName };
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} else {
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return {
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order: order,
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name: superBlock.join('-')
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};
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}
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}
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function getBlockNameFromPath(filePath) {
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const [, block] = filePath.split('/');
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return block;
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}
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