'use strict';
var __importDefault =
  (this && this.__importDefault) ||
  function (mod) {
    return mod && mod.__esModule ? mod : { default: mod };
  };
Object.defineProperty(exports, '__esModule', { value: true });
exports.toNormalizedRealPath =
  exports.removeUplevels =
  exports.stripSnapshot =
  exports.insideSnapshot =
  exports.snapshotify =
  exports.substituteDenominator =
  exports.retrieveDenominator =
  exports.isDotNODE =
  exports.isDotJSON =
  exports.isDotJS =
  exports.isPackageJson =
  exports.normalizePath =
  exports.isRootPath =
  exports.ALIAS_AS_RESOLVABLE =
  exports.ALIAS_AS_RELATIVE =
  exports.STORE_STAT =
  exports.STORE_LINKS =
  exports.STORE_CONTENT =
  exports.STORE_BLOB =
    void 0;
const assert_1 = __importDefault(require('assert'));
const fs_1 = __importDefault(require('fs'));
const path_1 = __importDefault(require('path'));
exports.STORE_BLOB = 0;
exports.STORE_CONTENT = 1;
exports.STORE_LINKS = 2;
exports.STORE_STAT = 3;
exports.ALIAS_AS_RELATIVE = 0; // require("./file.js") // file or directory
exports.ALIAS_AS_RESOLVABLE = 1; // require("package")
const win32 = process.platform === 'win32';
const hasURL = typeof URL !== 'undefined';
function uppercaseDriveLetter(f) {
  if (f.slice(1, 3) !== ':\\') return f;
  return f[0].toUpperCase() + f.slice(1);
}
function removeTrailingSlashes(f) {
  if (f === '/') {
    return f; // dont remove from "/"
  }
  if (f.slice(1) === ':\\') {
    return f; // dont remove from "D:\"
  }
  let last = f.length - 1;
  while (true) {
    const char = f.charAt(last);
    if (char === '\\') {
      f = f.slice(0, -1);
      last -= 1;
    } else if (char === '/') {
      f = f.slice(0, -1);
      last -= 1;
    } else {
      break;
    }
  }
  return f;
}
const isUrl = (p) => hasURL && p instanceof URL;
function pathToString(p, win) {
  let result;
  if (Buffer.isBuffer(p)) {
    result = p.toString();
  } else if (isUrl(p)) {
    result = win ? p.pathname.replace(/^\//, '') : p.pathname;
  } else {
    result = p;
  }
  return result;
}
function isRootPath(p) {
  let file = pathToString(p, false);
  if (file === '.') {
    file = path_1.default.resolve(file);
  }
  return path_1.default.dirname(file) === p;
}
exports.isRootPath = isRootPath;
function normalizePath(f) {
  let file = pathToString(f, win32);
  if (!/^.:$/.test(file)) {
    file = path_1.default.normalize(file);
  } // 'c:' -> 'c:.'
  if (win32) {
    file = uppercaseDriveLetter(file);
  }
  return removeTrailingSlashes(file);
}
exports.normalizePath = normalizePath;
function isPackageJson(file) {
  return path_1.default.basename(file) === 'package.json';
}
exports.isPackageJson = isPackageJson;
function isDotJS(file) {
  return path_1.default.extname(file) === '.js';
}
exports.isDotJS = isDotJS;
function isDotJSON(file) {
  return path_1.default.extname(file) === '.json';
}
exports.isDotJSON = isDotJSON;
function isDotNODE(file) {
  return path_1.default.extname(file) === '.node';
}
exports.isDotNODE = isDotNODE;
function replaceSlashes(file, slash) {
  if (/^.:\\/.test(file)) {
    if (slash === '/') {
      return file.slice(2).replace(/\\/g, '/');
    }
  } else if (/^\//.test(file)) {
    if (slash === '\\') {
      return `C:${file.replace(/\//g, '\\')}`;
    }
  }
  return file;
}
function injectSnapshot(file) {
  if (/^.:\\/.test(file)) {
    // C:\path\to
    if (file.length === 3) {
      // C:\
      file = file.slice(0, -1);
    }
    // by convention, on windows we use C:\\snapshot
    return `C:\\snapshot${file.slice(2)}`;
  }
  if (/^\//.test(file)) {
    // /home/user/project
    if (file.length === 1) {
      // /
      file = file.slice(0, -1);
    }
    return `/snapshot${file}`;
  }
  return file;
}
function longestCommonLength(s1, s2) {
  const length = Math.min(s1.length, s2.length);
  for (let i = 0; i < length; i += 1) {
    if (s1.charCodeAt(i) !== s2.charCodeAt(i)) {
      return i;
    }
  }
  return length;
}
function withoutNodeModules(file) {
  return file.split(
    `${path_1.default.sep}node_modules${path_1.default.sep}`
  )[0];
}
function retrieveDenominator(files) {
  (0, assert_1.default)(files.length > 0);
  let s1 = withoutNodeModules(files[0]) + path_1.default.sep;
  for (let i = 1; i < files.length; i += 1) {
    const s2 = withoutNodeModules(files[i]) + path_1.default.sep;
    s1 = s1.slice(0, longestCommonLength(s1, s2));
  }
  if (s1 === '') {
    return win32 ? 2 : 0;
  }
  return s1.lastIndexOf(path_1.default.sep);
}
exports.retrieveDenominator = retrieveDenominator;
function substituteDenominator(f, denominator) {
  const rootLength = win32 ? 2 : 0;
  return f.slice(0, rootLength) + f.slice(denominator);
}
exports.substituteDenominator = substituteDenominator;
function snapshotify(file, slash) {
  return injectSnapshot(replaceSlashes(file, slash));
}
exports.snapshotify = snapshotify;
function insideSnapshot(f) {
  f = pathToString(f, win32);
  if (typeof f !== 'string') {
    return false;
  }
  if (win32) {
    const slice112 = f.slice(1, 12);
    return (
      slice112 === ':\\snapshot\\' ||
      slice112 === ':/snapshot\\' ||
      slice112 === ':\\snapshot/' ||
      slice112 === ':/snapshot/' ||
      slice112 === ':\\snapshot' ||
      slice112 === ':/snapshot'
    );
  }
  const slice010 = f.slice(0, 10);
  return slice010 === '/snapshot/' || slice010 === '/snapshot';
}
exports.insideSnapshot = insideSnapshot;
function stripSnapshot(f) {
  const file = normalizePath(f);
  if (/^.:\\snapshot$/.test(file)) {
    return `${file[0]}:\\**\\`;
  }
  if (/^.:\\snapshot\\/.test(file)) {
    return `${file[0]}:\\**${file.slice(11)}`;
  }
  if (/^\/snapshot$/.test(file)) {
    return '/**/';
  }
  if (/^\/snapshot\//.test(file)) {
    return `/**${file.slice(9)}`;
  }
  return f; // not inside
}
exports.stripSnapshot = stripSnapshot;
function removeUplevels(f) {
  if (win32) {
    while (true) {
      if (f.slice(0, 3) === '..\\') {
        f = f.slice(3);
      } else if (f === '..') {
        f = '.';
      } else {
        break;
      }
    }
    return f;
  }
  while (true) {
    if (f.slice(0, 3) === '../') {
      f = f.slice(3);
    } else if (f === '..') {
      f = '.';
    } else {
      break;
    }
  }
  return f;
}
exports.removeUplevels = removeUplevels;
function toNormalizedRealPath(requestPath) {
  const file = normalizePath(requestPath);
  if (fs_1.default.existsSync(file)) {
    return fs_1.default.realpathSync(file);
  }
  return file;
}
exports.toNormalizedRealPath = toNormalizedRealPath;
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