tldraw/scripts/update-pr-template.ts

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import { Octokit } from '@octokit/rest'
import { existsSync, readFileSync, writeFileSync } from 'fs'
import { join } from 'path'
import { REPO_ROOT } from './lib/file'
import { formatLabelOptionsForPRTemplate, getLabelNames } from './lib/labels'
const prTemplatePath = join(REPO_ROOT, '.github', 'pull_request_template.md')
const octo = new Octokit({})
async function updatePRTemplate(check: boolean) {
if (!existsSync(prTemplatePath)) {
console.error('❌ Could not find PR template at', prTemplatePath)
process.exit(1)
}
const prTemplate = readFileSync(prTemplatePath).toString()
const labelsPart = prTemplate.match(/(### Change Type(.|\s)*?\n)###/)?.[1]
if (!labelsPart) {
console.error(
'❌ Could not find the labels section of the pull request template! It should start with "### Change Type"'
)
process.exit(1)
}
const updated = prTemplate.replace(
labelsPart,
`### Change Type\n\n${formatLabelOptionsForPRTemplate()}\n\n`
)
if (check && updated !== prTemplate) {
console.error(
'❌ PR template labels section is out of date. Run `yarn update-pr-template` to fix it.'
)
console.error(
'💡 Were you trying to change the labels section manually? Update scripts/lib/labels.ts instead.'
)
process.exit(1)
}
// make sure all labels exist
const repoLabels = new Set(
(
await octo.issues.listLabelsForRepo({
owner: 'tldraw',
repo: 'tldraw',
per_page: 100,
})
).data.map((x) => x.name)
)
const missingLabels = getLabelNames().filter((x) => !repoLabels.has(x))
if (missingLabels.length > 0) {
console.error(
'❌ The following labels do not exist in the tldraw repo:',
missingLabels.map((l) => JSON.stringify(l)).join(', ')
)
console.error(
`Add them yourself or update scripts/lib/labels.ts and re-run \`yarn update-pr-template\` to remove them.`
)
process.exit(1)
}
if (!check) {
console.log('Writing template to', prTemplatePath)
writeFileSync(prTemplatePath, updated)
} else {
console.log('All good!')
}
}
updatePRTemplate(process.argv.includes('--check'))