/
compat.js
121 lines (91 loc) · 3.25 KB
/
compat.js
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let fs = require('fs')
let path = require('path')
let { spawn } = require('child_process')
let merge = require('lodash/merge')
let fastGlob = require('fast-glob')
let postcss7 = fastGlob.sync(['./**/*.postcss7.*']).filter((file) => !file.startsWith('lib/'))
let postcss8 = fastGlob.sync(['./**/*.postcss8.*']).filter((file) => !file.startsWith('lib/'))
async function run() {
if (process.argv.includes('--prepare')) {
if (postcss8.length > 0) {
console.error('\n\n[ABORT] Already in PostCSS 7 compatibility mode!\n\n')
process.exit(1)
}
let mainPackageJson = require('../package.json')
let compatPackageJson = require('../package.postcss7.json')
// Use postcss7 files
for (let file of postcss7) {
let bareFile = file.replace('.postcss7', '')
let postcss8File = file.replace('.postcss7', '.postcss8')
// Backup
copy(fromRootPath(bareFile), fromRootPath(postcss8File))
// Swap
copy(fromRootPath(file), fromRootPath(bareFile))
}
// Deep merge package.json contents
let packageJson = merge({}, mainPackageJson, compatPackageJson)
// Remove peerDependencies
delete packageJson.peerDependencies
// Cleanup devDependencies
for (let key in packageJson.devDependencies) {
if (key.includes('postcss')) delete packageJson.devDependencies[key]
}
// Use new name
packageJson.name = '@tailwindcss/postcss7-compat'
// Make sure you can publish
packageJson.publishConfig = { access: 'public' }
// Write package.json with the new contents
fs.writeFileSync(fromRootPath('package.json'), JSON.stringify(packageJson, null, 2), 'utf8')
// Nuke node_modules
fs.rmdirSync(fromRootPath('node_modules'), { recursive: true })
// NPM Install with all correct stuff
await npmInstall()
// Print some useful information to make publishing easy
console.log()
console.log('You can safely publish `tailwindcss` in PostCSS 7 compatibility mode:\n')
console.log()
} else if (process.argv.includes('--restore')) {
if (postcss8.length === 0) {
console.error('\n\n[ABORT] Already in latest PostCSS mode!\n\n')
process.exit(1)
}
// Use postcss8 files
for (let file of postcss8) {
let bareFile = file.replace('.postcss8', '')
// Restore
copy(fromRootPath(file), fromRootPath(bareFile))
// Remove
fs.unlinkSync(fromRootPath(file))
}
// Nuke node_modules
fs.rmdirSync(fromRootPath('node_modules'), { recursive: true })
// NPM Install with all correct stuff
await npmInstall()
// Done
console.log()
console.log('Restored from PostCSS 7 mode to latest PostCSS mode!')
console.log()
}
}
run()
// ---
function fromRootPath(...paths) {
return path.resolve(process.cwd(), ...paths)
}
function copy(fromPath, toPath) {
fs.copyFileSync(fromPath, toPath)
}
function npmInstall() {
return new Promise((resolve, reject) => {
let child = spawn('npm', ['install', '--force'])
child.stdout.on('data', (data) => {
console.log(data.toString())
})
child.stderr.on('data', (data) => {
console.error(data.toString())
})
child.on('close', (code, signal) => {
;(signal === 'SIGTERM' ? resolve : code === 0 ? resolve : reject)()
})
})
}