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const fs = require('node:fs')
const promisify = require('node:util').promisify
const execFile = promisify(require('node:child_process').execFile)
const SUPPORTED_PACKAGE_MANAGERS = new Set(['npm', 'yarn', 'pnpm', 'bun'])
function determinePackageManager(dir) {
try {
const files = fs.readdirSync(dir)
if (files.includes('yarn.lock')) return 'yarn'
if (files.includes('pnpm-lock.yaml')) return 'pnpm'
if (files.includes('bun.lockb')) return 'bun'
return 'npm'
} catch (err) {
console.error(`Failed to read directory ${dir}:`, err)
return 'npm'
}
}
async function runInstall(dir, pm) {
if (!SUPPORTED_PACKAGE_MANAGERS.has(pm)) {
return { success: false, error: `Unsupported package manager: ${pm}` }
}
try {
await execFile(pm, ['install'], { cwd: dir })
return { success: true }
} catch (err) {
return { success: false, error: err.stderr || err.message }
}
}
module.exports = {
determinePackageManager,
runInstall
}
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