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import execa from 'execa'
import { existsSync } from 'fs'
import { writeFile, readFile, unlink } from 'fs/promises'
import { join } from 'path'
// NOTE: This type may change over time.
type ChangesetStatusJson = {
changesets: {
releases: {
name: string
type: string
summary: string
id: string
}[]
}[]
releases: {
name: string
type: string
oldVersion: string
changesets: string[]
newVersion: string
}[]
}
async function versionPackages() {
const preConfigPath = join(process.cwd(), '.changeset', 'pre.json')
// Exit previous pre mode to prepare for the next release.
if (existsSync(preConfigPath)) {
if (require(preConfigPath).mode !== 'exit') {
// Since current repository is in pre mode, need
// to exit before versioning the packages.
await execa('pnpm', ['changeset', 'pre', 'exit'], {
stdio: 'inherit',
})
}
}
// For prereleases, we need to set the "mode" on `pre.json`, which
// can be done by running `changeset pre enter <mode>`.
const releaseType = process.env.RELEASE_TYPE
switch (releaseType) {
case 'canary': {
// Enter pre mode as "canary" tag.
await execa('pnpm', ['changeset', 'pre', 'enter', 'canary'], {
stdio: 'inherit',
})
console.log(
'▲ Preparing to bump the canary version, checking if there are any changesets.'
)
// Create an empty changeset for `next` to bump the canary version
// even if there are no changesets for `next`.
await execa('pnpm', [
'changeset',
'status',
'--output',
'./changeset-status.json',
])
let hasNextChangeset = false
if (existsSync('./changeset-status.json')) {
const changesetStatus: ChangesetStatusJson = JSON.parse(
await readFile('./changeset-status.json', 'utf8')
)
console.log('▲ Changeset Status:')
console.log(changesetStatus)
hasNextChangeset =
changesetStatus.releases.find(
(release) => release.name === 'next'
) !== undefined
await unlink('./changeset-status.json')
}
if (!hasNextChangeset) {
console.log(
'▲ No changesets found for `next`, creating an empty changeset.'
)
// TODO: Since this is temporary until we hard-require a changeset, we will
// need to remove this in the future to prevent publishing empty releases.
await writeFile(
join(process.cwd(), '.changeset', `next-canary-${Date.now()}.md`),
`---\n'next': patch\n---`
)
}
break
}
case 'release-candidate': {
// Enter pre mode as "rc" tag.
await execa('pnpm', ['changeset', 'pre', 'enter', 'rc'], {
stdio: 'inherit',
})
break
}
case 'stable': {
// No additional steps needed for 'stable' releases since we've already
// exited any pre-release mode. Only need to run `changeset version` after.
break
}
default: {
throw new Error(`Invalid release type: ${releaseType}`)
}
}
await execa('pnpm', ['changeset', 'version'], {
stdio: 'inherit',
})
// TODO: Update the pnpm-lock.yaml since the packages' depend on
// each other. Remove this once they use `workspace:` protocol.
await execa('pnpm', ['install', '--no-frozen-lockfile'], {
stdio: 'inherit',
})
}
versionPackages()
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