pm-info/dist/index.cjs.js

A simple utility to get the package manager information which used in the project

'use strict';

var path = require('path');
var fs = require('fs');
var loadYml = require('load-yml');

function asyncGeneratorStep(n, t, e, r, o, a, c) {
  try {
    var i = n[a](c),
      u = i.value;
  } catch (n) {
    return void e(n);
  }
  i.done ? t(u) : Promise.resolve(u).then(r, o);
}
function _asyncToGenerator(n) {
  return function () {
    var t = this,
      e = arguments;
    return new Promise(function (r, o) {
      var a = n.apply(t, e);
      function _next(n) {
        asyncGeneratorStep(a, r, o, _next, _throw, "next", n);
      }
      function _throw(n) {
        asyncGeneratorStep(a, r, o, _next, _throw, "throw", n);
      }
      _next(void 0);
    });
  };
}

var PACKAGE_LOCK_FILE = "package-lock.json";
var YARN_INTEGRITY_FILE = ".yarn-integrity";
var MODULES_YAML_FILE = ".modules.yaml";
var RECENTLY_UPDATES_FILE = ".recently_updates.txt";
function pmInfo() {
  return _pmInfo.apply(this, arguments);
}
function _pmInfo() {
  _pmInfo = _asyncToGenerator(function* () {
    var cwd = arguments.length > 0 && arguments[0] !== void 0 ? arguments[0] : process.cwd();
    var NODE_MODULES_PATH = path.join(cwd, "node_modules");
    if (fs.existsSync(path.join(NODE_MODULES_PATH, YARN_INTEGRITY_FILE)))
      return {
        name: "yarn"
      };
    if (fs.existsSync(path.join(NODE_MODULES_PATH, RECENTLY_UPDATES_FILE)))
      return {
        name: "cnpm"
      };
    try {
      var modules = yield loadYml.loadYml(path.join(NODE_MODULES_PATH, MODULES_YAML_FILE));
      return modules ? normalizePMSpec(modules.packageManager) : null;
    } catch (err) {
      if (err.code !== "ENOENT")
        throw err;
    }
    if (fs.existsSync(NODE_MODULES_PATH) || fs.existsSync(path.join(cwd, PACKAGE_LOCK_FILE)))
      return {
        name: "npm"
      };
    return null;
  });
  return _pmInfo.apply(this, arguments);
}
function pmInfoSync() {
  var cwd = arguments.length > 0 && arguments[0] !== void 0 ? arguments[0] : process.cwd();
  var NODE_MODULES_PATH = path.join(cwd, "node_modules");
  if (fs.existsSync(path.join(NODE_MODULES_PATH, YARN_INTEGRITY_FILE)))
    return {
      name: "yarn"
    };
  if (fs.existsSync(path.join(NODE_MODULES_PATH, RECENTLY_UPDATES_FILE)))
    return {
      name: "cnpm"
    };
  try {
    var modules = loadYml.loadYmlSync(path.join(NODE_MODULES_PATH, MODULES_YAML_FILE));
    return modules ? normalizePMSpec(modules.packageManager) : null;
  } catch (err) {
    if (err.code !== "ENOENT")
      throw err;
  }
  if (fs.existsSync(NODE_MODULES_PATH) || fs.existsSync(path.join(cwd, PACKAGE_LOCK_FILE)))
    return {
      name: "npm"
    };
  return null;
}
function normalizePMSpec(pm) {
  if (pm[0] === "@") {
    var woPrefix = pm.slice(1);
    var _parts = woPrefix.split("@");
    return {
      name: "@".concat(_parts[0]),
      version: _parts[1]
    };
  }
  var parts = pm.split("@");
  return {
    name: parts[0],
    version: parts[1]
  };
}

exports.normalizePMSpec = normalizePMSpec;
exports.pmInfo = pmInfo;
exports.pmInfoSync = pmInfoSync;