path: refactor for less indentation

This just switches the statements in a way that it reduces the overall indentation. The function has a very deep indentation in general and this should improve the readability. PR-URL: #26917 Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com>

Author: BridgeAR

lib/path.js

@@ -165,63 +165,63 @@ const win32 = {
  const code = path.charCodeAt(0);
 
  // Try to match a root
- if (len > 1) {
+ if (len === 1) {
  if (isPathSeparator(code)) {
- // Possible UNC root
-
- // If we started with a separator, we know we at least have an
- // absolute path of some kind (UNC or otherwise)
+ // `path` contains just a path separator
+ rootEnd = 1;
  isAbsolute = true;
+ }
+ } else if (isPathSeparator(code)) {
+ // Possible UNC root
 
- if (isPathSeparator(path.charCodeAt(1))) {
- // Matched double path separator at beginning
- let j = 2;
- let last = j;
- // Match 1 or more non-path separators
- while (j < len && !isPathSeparator(path.charCodeAt(j))) {
+ // If we started with a separator, we know we at least have an
+ // absolute path of some kind (UNC or otherwise)
+ isAbsolute = true;
+
+ if (isPathSeparator(path.charCodeAt(1))) {
+ // Matched double path separator at beginning
+ let j = 2;
+ let last = j;
+ // Match 1 or more non-path separators
+ while (j < len && !isPathSeparator(path.charCodeAt(j))) {
+ j++;
+ }
+ if (j < len && j !== last) {
+ const firstPart = path.slice(last, j);
+ // Matched!
+ last = j;
+ // Match 1 or more path separators
+ while (j < len && isPathSeparator(path.charCodeAt(j))) {
  j++;
  }
  if (j < len && j !== last) {
- const firstPart = path.slice(last, j);
  // Matched!
  last = j;
- // Match 1 or more path separators
- while (j < len && isPathSeparator(path.charCodeAt(j))) {
+ // Match 1 or more non-path separators
+ while (j < len && !isPathSeparator(path.charCodeAt(j))) {
  j++;
  }
- if (j < len && j !== last) {
- // Matched!
- last = j;
- // Match 1 or more non-path separators
- while (j < len && !isPathSeparator(path.charCodeAt(j))) {
- j++;
- }
- if (j === len || j !== last) {
- // We matched a UNC root
- device = `\\\\${firstPart}\\${path.slice(last, j)}`;
- rootEnd = j;
- }
+ if (j === len || j !== last) {
+ // We matched a UNC root
+ device = `\\\\${firstPart}\\${path.slice(last, j)}`;
+ rootEnd = j;
  }
  }
- } else {
- rootEnd = 1;
- }
- } else if (isWindowsDeviceRoot(code) &&
- path.charCodeAt(1) === CHAR_COLON) {
- // Possible device root
- device = path.slice(0, 2);
- rootEnd = 2;
- if (len > 2 && isPathSeparator(path.charCodeAt(2))) {
- // Treat separator following drive name as an absolute path
- // indicator
- isAbsolute = true;
- rootEnd = 3;
  }
+ } else {
+ rootEnd = 1;
+ }
+ } else if (isWindowsDeviceRoot(code) &&
+ path.charCodeAt(1) === CHAR_COLON) {
+ // Possible device root
+ device = path.slice(0, 2);
+ rootEnd = 2;
+ if (len > 2 && isPathSeparator(path.charCodeAt(2))) {
+ // Treat separator following drive name as an absolute path
+ // indicator
+ isAbsolute = true;
+ rootEnd = 3;
  }
- } else if (isPathSeparator(code)) {
- // `path` contains just a path separator
- rootEnd = 1;
- isAbsolute = true;
  }
 
  if (device.length > 0) {