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355 lines (286 loc) · 8.66 KB
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#!/usr/bin/env node
import { spawn } from 'node:child_process'
import fs from 'node:fs'
import path from 'node:path'
import process from 'node:process'
import { fileURLToPath } from 'node:url'
import * as p from '@clack/prompts'
interface PackageJson {
name: string
description?: string
scripts?: Record<string, string>
}
interface WorkspaceEntry {
name: string
packageJsonPath: string
}
interface AppInfo {
name: string
packageName: string
description: string
scripts: string[]
}
interface RunMessageContext {
app: AppInfo
script: string
}
interface ModeConfig {
action: Mode
intro: string
noAppsMessage: string
appSelectMessage: string
scriptMatcher: (scriptName: string) => boolean
selectionMode: 'single' | 'multiple'
completionMessage?: string
getRunMessage?: (context: RunMessageContext) => string
showRunMessageWhenSingleApp?: boolean
}
type Mode = 'build' | 'dev' | 'serve'
const currentDir = path.dirname(fileURLToPath(import.meta.url))
const rootDir = path.resolve(currentDir, '..')
const isWindows = process.platform === 'win32'
const validModes: Mode[] = ['build', 'dev', 'serve']
const modeConfigs: Record<Mode, ModeConfig> = {
build: {
action: 'build',
intro: 'Select apps to build',
noAppsMessage: 'No apps found with build script',
appSelectMessage: 'Which apps do you want to build?',
scriptMatcher: isBuildScript,
selectionMode: 'multiple',
completionMessage: 'Build complete!',
getRunMessage: ({ app, script }) => `Building "${app.name}" with script "${script}"...`,
},
dev: {
action: 'dev',
intro: 'Select an app to run',
noAppsMessage: 'No apps found with dev script',
appSelectMessage: 'Which app do you want to run?',
scriptMatcher: isDevScript,
selectionMode: 'single',
getRunMessage: ({ app }) => `Starting ${app.packageName}...`,
},
serve: {
action: 'serve',
intro: 'Select an app to serve',
noAppsMessage: 'No apps found with serve script',
appSelectMessage: 'Which app do you want to serve?',
scriptMatcher: isServeScript,
selectionMode: 'single',
getRunMessage: ({ app, script }) => `Serving "${app.name}" with script "${script}"...`,
},
}
let childProcess: ReturnType<typeof spawn> | null = null
process.on('SIGINT', () => {
childProcess?.kill('SIGINT')
})
function isBuildScript(scriptName: string): boolean {
return scriptName === 'build' || scriptName.startsWith('build:')
}
function isDevScript(scriptName: string): boolean {
return scriptName === 'dev' || scriptName.startsWith('dev:')
}
function isServeScript(scriptName: string): boolean {
return scriptName === 'serve' || scriptName.startsWith('serve:')
}
function getWorkspaceEntries(): WorkspaceEntry[] {
const entries: WorkspaceEntry[] = []
const appsDir = path.resolve(rootDir, 'apps')
if (fs.existsSync(appsDir)) {
const apps = fs.readdirSync(appsDir, { withFileTypes: true })
for (const app of apps) {
if (!app.isDirectory()) {
continue
}
const packageJsonPath = path.join(appsDir, app.name, 'package.json')
if (!fs.existsSync(packageJsonPath)) {
continue
}
entries.push({
name: app.name,
packageJsonPath,
})
}
}
const docsPackageJsonPath = path.resolve(rootDir, 'docs', 'package.json')
if (fs.existsSync(docsPackageJsonPath)) {
entries.push({
name: 'docs',
packageJsonPath: docsPackageJsonPath,
})
}
return entries
}
function readPackageJson(packageJsonPath: string): PackageJson {
return JSON.parse(fs.readFileSync(packageJsonPath, 'utf-8')) as PackageJson
}
function getApps(scriptMatcher: (scriptName: string) => boolean): AppInfo[] {
const apps: AppInfo[] = []
for (const entry of getWorkspaceEntries()) {
const packageJson = readPackageJson(entry.packageJsonPath)
const scripts = Object.keys(packageJson.scripts ?? {}).filter(scriptMatcher)
if (scripts.length === 0) {
continue
}
apps.push({
name: entry.name,
packageName: packageJson.name,
description: packageJson.description || '',
scripts,
})
}
return apps
}
function getAppChoices(apps: AppInfo[]): Array<{ value: string, label: string, hint: string }> {
return apps.map(app => ({
value: app.packageName,
label: app.name,
hint: app.description,
}))
}
function getAppByPackageName(apps: AppInfo[], packageName: string): AppInfo {
const app = apps.find(item => item.packageName === packageName)
if (!app) {
throw new Error(`App not found: ${packageName}`)
}
return app
}
function resolvePromptValue<T>(value: T | symbol): T {
if (p.isCancel(value)) {
p.cancel('Operation cancelled')
process.exit(0)
}
return value
}
async function selectScript(app: AppInfo, action: Mode): Promise<string> {
if (app.scripts.length === 1) {
return app.scripts[0]
}
const script = await p.select({
message: `Select ${action} script for "${app.name}":`,
options: app.scripts.map(name => ({
value: name,
label: name,
})),
})
return resolvePromptValue(script)
}
async function runPackageScript(packageName: string, script: string): Promise<void> {
return new Promise((resolve, reject) => {
childProcess = spawn('pnpm', ['--filter', packageName, 'run', script], {
stdio: 'inherit',
cwd: rootDir,
shell: isWindows,
})
childProcess.on('close', (code) => {
childProcess = null
if (code === 0 || code === null) {
resolve()
return
}
reject(new Error(`Process exited with code ${code}`))
})
childProcess.on('error', (error) => {
childProcess = null
reject(error)
})
})
}
async function selectApps(apps: AppInfo[], message: string, selectionMode: ModeConfig['selectionMode']): Promise<AppInfo[]> {
if (selectionMode === 'multiple') {
const selectedPackageNames = resolvePromptValue(await p.multiselect({
message,
options: getAppChoices(apps),
required: true,
}))
return selectedPackageNames.map(packageName => getAppByPackageName(apps, packageName))
}
const selectedPackageName = resolvePromptValue(await p.select({
message,
options: getAppChoices(apps),
}))
return [getAppByPackageName(apps, selectedPackageName)]
}
async function runSelectedApps(apps: AppInfo[], config: ModeConfig, showRunMessage: boolean): Promise<void> {
for (const app of apps) {
const script = await selectScript(app, config.action)
if (showRunMessage) {
const runMessage = config.getRunMessage?.({
app,
script,
})
if (runMessage) {
p.log.info(runMessage)
}
}
await runPackageScript(app.packageName, script)
}
}
async function runMode(config: ModeConfig): Promise<void> {
p.intro(config.intro)
const apps = getApps(config.scriptMatcher)
if (apps.length === 0) {
p.log.error(config.noAppsMessage)
process.exit(1)
}
if (apps.length === 1) {
p.log.info(`Only one app found: ${apps[0].name}`)
await runSelectedApps([apps[0]], config, config.showRunMessageWhenSingleApp ?? false)
if (config.completionMessage) {
p.outro(config.completionMessage)
}
return
}
const selectedApps = await selectApps(apps, config.appSelectMessage, config.selectionMode)
await runSelectedApps(selectedApps, config, true)
if (config.completionMessage) {
p.outro(config.completionMessage)
}
}
function parseModeArg(argv: string[]): string | undefined {
for (let index = 0; index < argv.length; index += 1) {
const arg = argv[index]
if (arg === '--mode' || arg === '-m') {
return argv[index + 1]
}
if (arg.startsWith('--mode=')) {
return arg.slice('--mode='.length)
}
if (arg.startsWith('-m=')) {
return arg.slice('-m='.length)
}
}
return undefined
}
function hasHelpArg(argv: string[]): boolean {
return argv.includes('--help') || argv.includes('-h')
}
function isMode(value: string | undefined): value is Mode {
return value !== undefined && validModes.includes(value as Mode)
}
function printHelp(): void {
console.log(`Usage: tsx scripts/cli.ts --mode=<${validModes.join('|')}>`)
console.log('Examples:')
console.log(' pnpm dev')
console.log(' pnpm build')
console.log(' pnpm serve')
console.log(' pnpm cli -- --mode=dev')
}
async function main(): Promise<void> {
const argv = process.argv.slice(2)
const modeArg = parseModeArg(argv)
if (hasHelpArg(argv)) {
printHelp()
return
}
if (!isMode(modeArg)) {
p.log.error(`Invalid or missing mode. Expected one of: ${validModes.join(', ')}`)
printHelp()
process.exit(1)
}
await runMode(modeConfigs[modeArg])
}
main().catch((error: Error) => {
p.log.error(error.message)
process.exit(1)
})
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