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getNodeReleasesData.js
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104 lines (85 loc) · 3.66 KB
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const nodeVersions = require('@pkgjs/nv');
const path = require('path');
const async = require('async');
const fs = require('fs');
const getReleaseStatus = require('./getReleaseStatus');
const { nodeReleaseSchedule } = require('../apiUrls');
const { apiPath } = require('../pathPrefixes');
const apiDocsDirectory = path.resolve(__dirname, `../content${apiPath}`);
const availableApiVersions = fs
.readdirSync(apiDocsDirectory, { withFileTypes: true })
.filter(dirent => dirent.isDirectory())
.map(dirent => dirent.name);
function getNodeReleasesData(nodeReleasesDataCallback) {
const fetchNodeReleaseSchedule = callback => {
fetch(nodeReleaseSchedule)
.then(response => response.json())
.then(releaseSchedule => callback(null, releaseSchedule));
};
const fetchNodeReleaseDetail = callback => {
nodeVersions(['supported']).then(response => callback(null, response));
};
const formateReleaseDate = date =>
date ? new Date(date).toISOString().split('T')[0] : '';
const parseReleaseData = (_, results) => {
const { releaseSchedule, releaseDetails } = results;
const isReleaseCurrentlyLTS = release =>
(new Date(release.lts) <= new Date() &&
new Date(release.maintenance) >= new Date()) ||
(getReleaseStatus(release) === 'Maintenance LTS' &&
formateReleaseDate(release.end) >=
new Date().toISOString().split('T')[0]);
const mapReleaseData = key => {
const release = releaseSchedule[key];
return {
fullVersion: key,
version: key,
codename: release.codename || key,
isLts: release.lts
? isReleaseCurrentlyLTS(release)
: getReleaseStatus(release) === 'Maintenance LTS' &&
formateReleaseDate(release.end) >=
new Date().toISOString().split('T')[0],
status: getReleaseStatus(release),
initialRelease: formateReleaseDate(release.start),
ltsStart: formateReleaseDate(release.lts),
maintenanceStart: formateReleaseDate(release.maintenance),
endOfLife: formateReleaseDate(release.end),
};
};
const mappedReleasesData = releaseDetails.map(release => ({
fullVersion: `v${release.version}`,
version: release.versionName,
codename: release.codename,
isLts: isReleaseCurrentlyLTS(release),
status: getReleaseStatus(release),
initialRelease: formateReleaseDate(release.start),
ltsStart: formateReleaseDate(release.lts),
maintenanceStart: formateReleaseDate(release.maintenance),
endOfLife: formateReleaseDate(release.end),
}));
const removeDuplicatedScheduleEntries = version =>
mappedReleasesData.every(entry => entry.version !== version);
const filteredReleasesData = Object.keys(releaseSchedule)
.filter(removeDuplicatedScheduleEntries)
.map(mapReleaseData);
mappedReleasesData.push(...filteredReleasesData);
const sortedReleasesByRelease = mappedReleasesData.sort(
(a, b) => new Date(a.initialRelease) - new Date(b.initialRelease)
);
sortedReleasesByRelease.reverse();
nodeReleasesDataCallback({
nodeReleasesData: sortedReleasesByRelease,
apiAvailableVersions: availableApiVersions,
});
};
const asyncTasks = {
releaseSchedule: fetchNodeReleaseSchedule,
releaseDetails: fetchNodeReleaseDetail,
};
// This creates a parallel worker pool with 2 workers that asynchronously fetches the different
// API requests. And then it works towards parsing the data on `parseReleaseData`
// When the data gets parsed, it gets returned as a callback to the `getNodeReleasesData` function
async.parallel(asyncTasks, parseReleaseData, 2);
}
module.exports = getNodeReleasesData;