'use strict';
var __importDefault =
  (this && this.__importDefault) ||
  function (mod) {
    return mod && mod.__esModule ? mod : { default: mod };
  };
Object.defineProperty(exports, '__esModule', { value: true });
exports.knownArchs =
  exports.targetArchs =
  exports.hostArch =
  exports.knownPlatforms =
  exports.hostPlatform =
  exports.hostAbi =
  exports.toFancyArch =
  exports.toFancyPlatform =
  exports.isValidNodeRange =
  exports.abiToNodeRange =
    void 0;
var fs_1 = __importDefault(require('fs'));
var child_process_1 = require('child_process');
function getHostAbi() {
  return 'm' + process.versions.modules;
}
function abiToNodeRange(abi) {
  if (/^m?14/.test(abi)) return 'node0.12';
  if (/^m?46/.test(abi)) return 'node4';
  if (/^m?47/.test(abi)) return 'node5';
  if (/^m?48/.test(abi)) return 'node6';
  if (/^m?51/.test(abi)) return 'node7';
  if (/^m?57/.test(abi)) return 'node8';
  if (/^m?59/.test(abi)) return 'node9';
  if (/^m?64/.test(abi)) return 'node10';
  if (/^m?67/.test(abi)) return 'node11';
  if (/^m?72/.test(abi)) return 'node12';
  if (/^m?79/.test(abi)) return 'node13';
  if (/^m?83/.test(abi)) return 'node14';
  return abi;
}
exports.abiToNodeRange = abiToNodeRange;
function isValidNodeRange(nodeRange) {
  if (nodeRange === 'latest') return true;
  if (!/^node/.test(nodeRange)) return false;
  return true;
}
exports.isValidNodeRange = isValidNodeRange;
function toFancyPlatform(platform) {
  if (platform === 'darwin') return 'macos';
  if (platform === 'lin') return 'linux';
  if (platform === 'mac') return 'macos';
  if (platform === 'osx') return 'macos';
  if (platform === 'win32') return 'win';
  if (platform === 'windows') return 'win';
  return platform;
}
exports.toFancyPlatform = toFancyPlatform;
function detectAlpine() {
  var _a;
  var platform = process.platform;
  if (platform !== 'linux') {
    return false;
  }
  // https://github.com/sass/node-sass/issues/1589#issuecomment-265292579
  var ldd =
    (
      (_a = (0, child_process_1.spawnSync)('ldd').stderr) === null ||
      _a === void 0
    ) ?
      void 0
    : _a.toString();
  if (ldd == null) {
    return fs_1.default.readdirSync('/lib').some(function (file) {
      return file.startsWith('libc.musl');
    });
  }
  if (/\bmusl\b/.test(ldd)) {
    return true;
  }
  var lddNode = (0, child_process_1.spawnSync)('ldd', [
    process.execPath,
  ]).stdout.toString();
  return /\bmusl\b/.test(lddNode);
}
var isAlpine = detectAlpine();
function getHostPlatform() {
  var platform = process.platform;
  if (isAlpine) {
    return 'alpine';
  }
  return toFancyPlatform(platform);
}
function getKnownPlatforms() {
  return ['alpine', 'freebsd', 'linux', 'linuxstatic', 'macos', 'win'];
}
function toFancyArch(arch) {
  if (arch === 'arm') return 'armv7';
  if (arch === 'ia32') return 'x86';
  if (arch === 'x86_64') return 'x64';
  return arch;
}
exports.toFancyArch = toFancyArch;
function getHostArch() {
  return toFancyArch(process.arch);
}
function getTargetArchs() {
  var arch = getHostArch();
  if (arch === 'x64') {
    return ['x64', 'x86'];
  }
  return [arch];
}
function getKnownArchs() {
  return ['x64', 'x86', 'armv7', 'arm64', 'ppc64', 's390x'];
}
exports.hostAbi = getHostAbi();
exports.hostPlatform = getHostPlatform();
exports.knownPlatforms = getKnownPlatforms();
exports.hostArch = getHostArch();
exports.targetArchs = getTargetArchs();
exports.knownArchs = getKnownArchs();
//# sourceMappingURL=system.js.map