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index.mjs
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index.mjs
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import { existsSync, promises as fs, readFileSync } from 'node:fs'
import { createRequire } from 'node:module'
import { dirname, join } from 'node:path'
export { loadPackageJSON, isPackageListed } from './dist/shared.mjs'
const _require = createRequire(import.meta.url)
export function resolveModule(name, options) {
try {
return _require.resolve(name, options)
}
catch (e) {
return undefined
}
}
export function importModule(path) {
return import(path).then((i) => {
if (i && i.default && i.default.__esModule)
return i.default
return i
})
}
export function isPackageExists(name, options) {
return !!resolvePackage(name, options)
}
function getPackageJsonPath(name, options) {
const entry = resolvePackage(name, options)
if (!entry)
return
return searchPackageJSON(entry)
}
export async function getPackageInfo(name, options) {
const packageJsonPath = getPackageJsonPath(name, options)
if (!packageJsonPath)
return
const pkg = JSON.parse(await fs.readFile(packageJsonPath, 'utf8'))
return {
name,
version: pkg.version,
rootPath: dirname(packageJsonPath),
packageJsonPath,
packageJson: pkg,
}
}
export function getPackageInfoSync(name, options) {
const packageJsonPath = getPackageJsonPath(name, options)
if (!packageJsonPath)
return
const pkg = JSON.parse(readFileSync(packageJsonPath, 'utf8'))
return {
name,
version: pkg.version,
rootPath: dirname(packageJsonPath),
packageJsonPath,
packageJson: pkg,
}
}
function resolvePackage(name, options = {}) {
try {
return _require.resolve(`${name}/package.json`, options)
}
catch {
}
try {
return _require.resolve(name, options)
}
catch (e) {
if (e.code !== 'MODULE_NOT_FOUND')
console.error(e)
return false
}
}
function searchPackageJSON(dir) {
let packageJsonPath
while (true) {
if (!dir)
return
const newDir = dirname(dir)
if (newDir === dir)
return
dir = newDir
packageJsonPath = join(dir, 'package.json')
if (existsSync(packageJsonPath))
break
}
return packageJsonPath
}