forked from vuejs/vue-cli
/
getVersions.js
82 lines (71 loc) · 2.43 KB
/
getVersions.js
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const { semver } = require('@vue/cli-shared-utils')
const PackageManager = require('./ProjectPackageManager')
const { loadOptions, saveOptions } = require('../options')
let sessionCached
const pm = new PackageManager()
module.exports = async function getVersions () {
if (sessionCached) {
return sessionCached
}
let latest
const local = require(`../../package.json`).version
if (process.env.VUE_CLI_TEST || process.env.VUE_CLI_DEBUG) {
return (sessionCached = {
current: local,
latest: local,
latestMinor: local
})
}
// should also check for prerelease versions if the current one is a prerelease
const includePrerelease = !!semver.prerelease(local)
const { latestVersion = local, lastChecked = 0 } = loadOptions()
const cached = latestVersion
const daysPassed = (Date.now() - lastChecked) / (60 * 60 * 1000 * 24)
let error
if (daysPassed > 1) {
// if we haven't check for a new version in a day, wait for the check
// before proceeding
try {
latest = await getAndCacheLatestVersion(cached, includePrerelease)
} catch (e) {
latest = cached
error = e
}
} else {
// Otherwise, do a check in the background. If the result was updated,
// it will be used for the next 24 hours.
// don't throw to interrupt the user if the background check failed
getAndCacheLatestVersion(cached, includePrerelease).catch(() => {})
latest = cached
}
let latestMinor = `${semver.major(latest)}.${semver.minor(latest)}.0`
if (
// if the latest version contains breaking changes
/major/.test(semver.diff(local, latest)) ||
// or if using `next` branch of cli
(semver.gte(local, latest) && semver.prerelease(local))
) {
// fallback to the local cli version number
latestMinor = local
}
return (sessionCached = {
current: local,
latest,
latestMinor,
error
})
}
// fetch the latest version and save it on disk
// so that it is available immediately next time
async function getAndCacheLatestVersion (cached, includePrerelease) {
let version = await pm.getRemoteVersion('vue-cli-version-marker', 'latest')
if (includePrerelease) {
const next = await pm.getRemoteVersion('vue-cli-version-marker', 'next')
version = semver.gt(next, version) ? next : version
}
if (semver.valid(version) && version !== cached) {
saveOptions({ latestVersion: version, lastChecked: Date.now() })
return version
}
return cached
}