package.build.esm.path.js Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of utils Show documentation
Utilities for all Sentry JavaScript SDKs
The newest version!
// Slightly modified (no IE8 support, ES6) and transcribed to TypeScript
// https://github.com/calvinmetcalf/rollup-plugin-node-builtins/blob/63ab8aacd013767445ca299e468d9a60a95328d7/src/es6/path.js
//
// Copyright Joyent, Inc.and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

/** JSDoc */
function normalizeArray(parts, allowAboveRoot) {
  // if the path tries to go above the root, `up` ends up > 0
  let up = 0;
  for (let i = parts.length - 1; i >= 0; i--) {
    const last = parts[i];
    if (last === '.') {
      parts.splice(i, 1);
    } else if (last === '..') {
      parts.splice(i, 1);
      up++;
    } else if (up) {
      parts.splice(i, 1);
      up--;
    }
  }

  // if the path is allowed to go above the root, restore leading ..s
  if (allowAboveRoot) {
    for (; up--; up) {
      parts.unshift('..');
    }
  }

  return parts;
}

// Split a filename into [root, dir, basename, ext], unix version
// 'root' is just a slash, or nothing.
const splitPathRe = /^(\S+:\\|\/?)([\s\S]*?)((?:\.{1,2}|[^/\\]+?|)(\.[^./\\]*|))(?:[/\\]*)$/;
/** JSDoc */
function splitPath(filename) {
  // Truncate files names greater than 1024 characters to avoid regex dos
  // https://github.com/getsentry/sentry-javascript/pull/8737#discussion_r1285719172
  const truncated = filename.length > 1024 ? `${filename.slice(-1024)}` : filename;
  const parts = splitPathRe.exec(truncated);
  return parts ? parts.slice(1) : [];
}

// path.resolve([from ...], to)
// posix version
/** JSDoc */
function resolve(...args) {
  let resolvedPath = '';
  let resolvedAbsolute = false;

  for (let i = args.length - 1; i >= -1 && !resolvedAbsolute; i--) {
    const path = i >= 0 ? args[i] : '/';

    // Skip empty entries
    if (!path) {
      continue;
    }

    resolvedPath = `${path}/${resolvedPath}`;
    resolvedAbsolute = path.charAt(0) === '/';
  }

  // At this point the path should be resolved to a full absolute path, but
  // handle relative paths to be safe (might happen when process.cwd() fails)

  // Normalize the path
  resolvedPath = normalizeArray(
    resolvedPath.split('/').filter(p => !!p),
    !resolvedAbsolute,
  ).join('/');

  return (resolvedAbsolute ? '/' : '') + resolvedPath || '.';
}

/** JSDoc */
function trim(arr) {
  let start = 0;
  for (; start < arr.length; start++) {
    if (arr[start] !== '') {
      break;
    }
  }

  let end = arr.length - 1;
  for (; end >= 0; end--) {
    if (arr[end] !== '') {
      break;
    }
  }

  if (start > end) {
    return [];
  }
  return arr.slice(start, end - start + 1);
}

// path.relative(from, to)
// posix version
/** JSDoc */
function relative(from, to) {
  /* eslint-disable no-param-reassign */
  from = resolve(from).slice(1);
  to = resolve(to).slice(1);
  /* eslint-enable no-param-reassign */

  const fromParts = trim(from.split('/'));
  const toParts = trim(to.split('/'));

  const length = Math.min(fromParts.length, toParts.length);
  let samePartsLength = length;
  for (let i = 0; i < length; i++) {
    if (fromParts[i] !== toParts[i]) {
      samePartsLength = i;
      break;
    }
  }

  let outputParts = [];
  for (let i = samePartsLength; i < fromParts.length; i++) {
    outputParts.push('..');
  }

  outputParts = outputParts.concat(toParts.slice(samePartsLength));

  return outputParts.join('/');
}

// path.normalize(path)
// posix version
/** JSDoc */
function normalizePath(path) {
  const isPathAbsolute = isAbsolute(path);
  const trailingSlash = path.slice(-1) === '/';

  // Normalize the path
  let normalizedPath = normalizeArray(
    path.split('/').filter(p => !!p),
    !isPathAbsolute,
  ).join('/');

  if (!normalizedPath && !isPathAbsolute) {
    normalizedPath = '.';
  }
  if (normalizedPath && trailingSlash) {
    normalizedPath += '/';
  }

  return (isPathAbsolute ? '/' : '') + normalizedPath;
}

// posix version
/** JSDoc */
function isAbsolute(path) {
  return path.charAt(0) === '/';
}

// posix version
/** JSDoc */
function join(...args) {
  return normalizePath(args.join('/'));
}

/** JSDoc */
function dirname(path) {
  const result = splitPath(path);
  const root = result[0] || '';
  let dir = result[1];

  if (!root && !dir) {
    // No dirname whatsoever
    return '.';
  }

  if (dir) {
    // It has a dirname, strip trailing slash
    dir = dir.slice(0, dir.length - 1);
  }

  return root + dir;
}

/** JSDoc */
function basename(path, ext) {
  let f = splitPath(path)[2] || '';
  if (ext && f.slice(ext.length * -1) === ext) {
    f = f.slice(0, f.length - ext.length);
  }
  return f;
}

export { basename, dirname, isAbsolute, join, normalizePath, relative, resolve };
//# sourceMappingURL=path.js.map