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'use strict'; const fs = require('node:fs'); const path = require('node:path'); const process = require('node:process'); const macro = require('quansync/macro'); const constants = require('./constants.cjs'); function _interopDefaultCompat (e) { return e && typeof e === 'object' && 'default' in e ? e.default : e; } const fs__default = /*#__PURE__*/_interopDefaultCompat(fs); const path__default = /*#__PURE__*/_interopDefaultCompat(path); const process__default = /*#__PURE__*/_interopDefaultCompat(process); const isFile = macro.quansync({ sync: (path2) => { try { return fs__default.statSync(path2).isFile(); } catch { return false; } }, async: async (path2) => { try { return (await fs__default.promises.stat(path2)).isFile(); } catch { return false; } } }); function getUserAgent() { const userAgent = process__default.env.npm_config_user_agent; if (!userAgent) { return null; } const name = userAgent.split("/")[0]; return constants.AGENTS.includes(name) ? name : null; } function* lookup(cwd = process__default.cwd()) { let directory = path__default.resolve(cwd); const { root } = path__default.parse(directory); while (directory && directory !== root) { yield directory; directory = path__default.dirname(directory); } } const parsePackageJson = macro.quansync(function* (filepath, onUnknown) { return !filepath || !(yield isFile(filepath)) ? null : handlePackageManager(filepath, onUnknown); }); const detect = macro.quansync(function* (options = {}) { const { cwd, onUnknown } = options; for (const directory of lookup(cwd)) { for (const lock of Object.keys(constants.LOCKS)) { if (yield isFile(path__default.join(directory, lock))) { const name = constants.LOCKS[lock]; const result2 = yield parsePackageJson(path__default.join(directory, "package.json"), onUnknown); if (result2) return result2; else return { name, agent: name }; } } const result = yield parsePackageJson(path__default.join(directory, "package.json"), onUnknown); if (result) return result; } return null; }); const detectSync = detect.sync; function handlePackageManager(filepath, onUnknown) { try { const pkg = JSON.parse(fs__default.readFileSync(filepath, "utf8")); let agent; if (typeof pkg.packageManager === "string") { const [name, ver] = pkg.packageManager.replace(/^\^/, "").split("@"); let version = ver; if (name === "yarn" && Number.parseInt(ver) > 1) { agent = "yarn@berry"; version = "berry"; return { name, agent, version }; } else if (name === "pnpm" && Number.parseInt(ver) < 7) { agent = "pnpm@6"; return { name, agent, version }; } else if (constants.AGENTS.includes(name)) { agent = name; return { name, agent, version }; } else { return onUnknown?.(pkg.packageManager) ?? null; } } } catch { } return null; } exports.detect = detect; exports.detectSync = detectSync; exports.getUserAgent = getUserAgent;

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