tstosc/dist/util/path.js

A transpiler that convert TypeScript to SuperCollider's SCLang.

const isValidPath__posix_default_option = {
  platform: "posix"
};
const isValidPath__windows_default_option = {
  platform: "windows",
  length_limit: 260,
  is_forward_slash_valid_separator: true
};
function isValidPath(s, option = {}) {
  if (s.length == 0) {
    return false;
  }
  option.type ??= "dir";
  option.platform ??= process.platform == "win32" ? "windows" : "posix";
  switch (option.platform) {
    case "posix": {
      option = { ...isValidPath__posix_default_option, ...option };
      return checkPOSIXPathType(
        s,
        option
      ) != 3 /* invalid */;
    }
    case "windows": {
      option = { ...isValidPath__windows_default_option, ...option };
      return checkWindowsPathType(
        s,
        option
      ) != 7 /* invalid */;
    }
    default:
      throw TypeError(`Unknown platform "${option.platform}".`);
  }
}
function isValidWindowsPath(s, option) {
  return isValidPath(s, { ...option, platform: "windows" });
}
function checkPOSIXPathType(s, option) {
  if (s.length == 0 || s.length > (option.length_limit ?? Number.POSITIVE_INFINITY)) {
    return 3 /* invalid */;
  }
  const name_invalid_regex = /\n\0/;
  function isValidNameSlashNamePath(name) {
    const name_group = name.split("/");
    for (const f of name_group.slice(0, -1)) {
      if (name_invalid_regex.test(f)) {
        return false;
      }
    }
    if (/\n/.test(name_group.at(-1))) {
      return false;
    }
    return true;
  }
  function returnIfValidNameSlashNamePath(name, type_when_valid) {
    return isValidNameSlashNamePath(name) ? type_when_valid : 3 /* invalid */;
  }
  if (s[0] == "/") {
    return returnIfValidNameSlashNamePath(s.slice(1), 0 /* absolute_path */);
  }
  if (s[0] == "~" && s[1] == "/") {
    return returnIfValidNameSlashNamePath(s.slice(2), 2 /* home_directory_relative_path */);
  }
  return returnIfValidNameSlashNamePath(s, 1 /* working_directory_relative_path */);
}
var POSIXPathType = /* @__PURE__ */ ((POSIXPathType2) => {
  POSIXPathType2[POSIXPathType2["absolute_path"] = 0] = "absolute_path";
  POSIXPathType2[POSIXPathType2["working_directory_relative_path"] = 1] = "working_directory_relative_path";
  POSIXPathType2[POSIXPathType2["home_directory_relative_path"] = 2] = "home_directory_relative_path";
  POSIXPathType2[POSIXPathType2["invalid"] = 3] = "invalid";
  return POSIXPathType2;
})(POSIXPathType || {});
function checkWindowsPathType(s, option) {
  if (s.length == 0 || s.length > (option.length_limit ?? Number.POSITIVE_INFINITY)) {
    return 7 /* invalid */;
  }
  const name_invalid_regex = /[<>:"/|?*\x01-\x1f]/;
  const isSepChar = option.is_forward_slash_valid_separator ? (c) => c == "\\" || c == "/" : (c) => c == "\\";
  const sep_char_regex = option.is_forward_slash_valid_separator ? /[\\/]/ : /[\\]/;
  function isInvalidName(name) {
    return name_invalid_regex.test(name);
  }
  function isValidNameSlashNamePath(name) {
    for (const f of name.split(sep_char_regex)) {
      if (isInvalidName(f)) {
        return false;
      }
    }
    return true;
  }
  function returnIfValidNameSlashNamePath(name, type_when_valid) {
    return isValidNameSlashNamePath(name) ? type_when_valid : 7 /* invalid */;
  }
  function isAlphabet(c) {
    return "a" < c && c < "z" || "A" < c && c < "Z";
  }
  if (s[0] == "\\") {
    if (s[1] == "\\") {
      return (s[2] == "." || s[2] == "?") && s[3] == "\\" ? returnIfValidNameSlashNamePath(s.slice(4), 0 /* device_path */) : returnIfValidNameSlashNamePath(s.slice(2), 1 /* unc_path */);
    }
    return returnIfValidNameSlashNamePath(s.slice(1), 4 /* root_relative_path */);
  }
  if (isAlphabet(s[0]) && s[1] == ":") {
    return isSepChar(s[2]) ? returnIfValidNameSlashNamePath(s.slice(3), 2 /* dos_path */) : returnIfValidNameSlashNamePath(s.slice(2), 5 /* drive_relative_path */);
  }
  if (!isInvalidName(s[0])) {
    return /^(CON|PRN|AUX|NUL|LPT[1-9]|COM[1-9])$/i.test(s) ? 3 /* legacy_device */ : returnIfValidNameSlashNamePath(s, 6 /* working_directory_relative_path */);
  }
  return 7 /* invalid */;
}
var WindowsPathType = /* @__PURE__ */ ((WindowsPathType2) => {
  WindowsPathType2[WindowsPathType2["device_path"] = 0] = "device_path";
  WindowsPathType2[WindowsPathType2["unc_path"] = 1] = "unc_path";
  WindowsPathType2[WindowsPathType2["dos_path"] = 2] = "dos_path";
  WindowsPathType2[WindowsPathType2["legacy_device"] = 3] = "legacy_device";
  WindowsPathType2[WindowsPathType2["root_relative_path"] = 4] = "root_relative_path";
  WindowsPathType2[WindowsPathType2["drive_relative_path"] = 5] = "drive_relative_path";
  WindowsPathType2[WindowsPathType2["working_directory_relative_path"] = 6] = "working_directory_relative_path";
  WindowsPathType2[WindowsPathType2["invalid"] = 7] = "invalid";
  WindowsPathType2[WindowsPathType2["trivial_path"] = 2 /* dos_path */] = "trivial_path";
  return WindowsPathType2;
})(WindowsPathType || {});

export { POSIXPathType, WindowsPathType, checkPOSIXPathType, checkWindowsPathType, isValidPath, isValidPath__posix_default_option, isValidPath__windows_default_option, isValidWindowsPath };