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const { resolve } = require('path')
const { promisify } = require('util')
const stat = promisify(require('fs').stat)
const walkUp = require('walk-up-path')
const fileExists = (file) => stat(file)
.then((stat) => stat.isFile())
.catch(() => false)
const localFileExists = async (dir, binName, root = '/') => {
root = resolve(root).toLowerCase()
for (const path of walkUp(resolve(dir))) {
const binDir = resolve(path, 'node_modules', '.bin')
if (await fileExists(resolve(binDir, binName)))
return binDir
if (path.toLowerCase() === root)
return false
}
return false
}
module.exports = {
fileExists,
localFileExists,
}