Port test-path-resolve.

Author: goto-bus-stop

index.js

@@ -38,45 +38,56 @@ function normalizeStringPosix(path, allowAboveRoot) {
   var dots = 0;
   var code;
   for (var i = 0; i <= path.length; ++i) {
-    if (i < path.length) code = path.charCodeAt(i);else if (code === 47 /*/*/) break;else code = 47 /*/*/;
+    if (i < path.length)
+      code = path.charCodeAt(i);
+    else if (code === 47 /*/*/)
+      break;
+    else
+      code = 47 /*/*/;
     if (code === 47 /*/*/) {
-        if (lastSlash === i - 1 || dots === 1) {
-          // NOOP
-        } else if (lastSlash !== i - 1 && dots === 2) {
-          if (res.length < 2 || lastSegmentLength !== 2 || res.charCodeAt(res.length - 1) !== 46 /*.*/ || res.charCodeAt(res.length - 2) !== 46 /*.*/) {
-              if (res.length > 2) {
-                var lastSlashIndex = res.lastIndexOf('/');
-                if (lastSlashIndex !== res.length - 1) {
-                  if (lastSlashIndex === -1) {
-                    res = '';
-                    lastSegmentLength = 0;
-                  } else {
-                    res = res.slice(0, lastSlashIndex);
-                    lastSegmentLength = res.length - 1 - res.lastIndexOf('/');
-                  }
-                  lastSlash = i;
-                  dots = 0;
-                  continue;
-                }
-              } else if (res.length === 2 || res.length === 1) {
+      if (lastSlash === i - 1 || dots === 1) {
+        // NOOP
+      } else if (lastSlash !== i - 1 && dots === 2) {
+        if (res.length < 2 || lastSegmentLength !== 2 || res.charCodeAt(res.length - 1) !== 46 /*.*/ || res.charCodeAt(res.length - 2) !== 46 /*.*/) {
+          if (res.length > 2) {
+            var lastSlashIndex = res.lastIndexOf('/');
+            if (lastSlashIndex !== res.length - 1) {
+              if (lastSlashIndex === -1) {
                 res = '';
                 lastSegmentLength = 0;
-                lastSlash = i;
-                dots = 0;
-                continue;
+              } else {
+                res = res.slice(0, lastSlashIndex);
+                lastSegmentLength = res.length - 1 - res.lastIndexOf('/');
               }
+              lastSlash = i;
+              dots = 0;
+              continue;
             }
-          if (allowAboveRoot) {
-            if (res.length > 0) res += '/..';else res = '..';
-            lastSegmentLength = 2;
+          } else if (res.length === 2 || res.length === 1) {
+            res = '';
+            lastSegmentLength = 0;
+            lastSlash = i;
+            dots = 0;
+            continue;
           }
-        } else {
-          if (res.length > 0) res += '/' + path.slice(lastSlash + 1, i);else res = path.slice(lastSlash + 1, i);
-          lastSegmentLength = i - lastSlash - 1;
         }
-        lastSlash = i;
-        dots = 0;
-      } else if (code === 46 /*.*/ && dots !== -1) {
+        if (allowAboveRoot) {
+          if (res.length > 0)
+            res += '/..';
+          else
+            res = '..';
+          lastSegmentLength = 2;
+        }
+      } else {
+        if (res.length > 0)
+          res += '/' + path.slice(lastSlash + 1, i);
+        else
+          res = path.slice(lastSlash + 1, i);
+        lastSegmentLength = i - lastSlash - 1;
+      }
+      lastSlash = i;
+      dots = 0;
+    } else if (code === 46 /*.*/ && dots !== -1) {
       ++dots;
     } else {
       dots = -1;
@@ -106,8 +117,11 @@ var posix = {
 
     for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
       var path;
-      if (i >= 0) path = arguments[i];else {
-        if (cwd === undefined) cwd = process.cwd();
+      if (i >= 0)
+        path = arguments[i];
+      else {
+        if (cwd === undefined)
+          cwd = process.cwd();
         path = cwd;
       }
 
@@ -129,7 +143,10 @@ var posix = {
     resolvedPath = normalizeStringPosix(resolvedPath, !resolvedAbsolute);
 
     if (resolvedAbsolute) {
-      if (resolvedPath.length > 0) return '/' + resolvedPath;else return '/';
+      if (resolvedPath.length > 0)
+        return '/' + resolvedPath;
+      else
+        return '/';
     } else if (resolvedPath.length > 0) {
       return resolvedPath;
     } else {

test/index.js

@@ -3,3 +3,4 @@ require('./test-path-dirname');
 require('./test-path-extname');
 require('./test-path-join');
 require('./test-path-relative');
+require('./test-path-resolve');

test/test-path-resolve.js

@@ -0,0 +1,45 @@
+'use strict';
+var tape = require('tape');
+var path = require('../');
+
+var windowsTests =
+    // arguments                               result
+    [[['c:/blah\\blah', 'd:/games', 'c:../a'], 'c:\\blah\\a'],
+     [['c:/ignore', 'd:\\a/b\\c/d', '\\e.exe'], 'd:\\e.exe'],
+     [['c:/ignore', 'c:/some/file'], 'c:\\some\\file'],
+     [['d:/ignore', 'd:some/dir//'], 'd:\\ignore\\some\\dir'],
+     [['.'], process.cwd()],
+     [['//server/share', '..', 'relative\\'], '\\\\server\\share\\relative'],
+     [['c:/', '//'], 'c:\\'],
+     [['c:/', '//dir'], 'c:\\dir'],
+     [['c:/', '//server/share'], '\\\\server\\share\\'],
+     [['c:/', '//server//share'], '\\\\server\\share\\'],
+     [['c:/', '///some//dir'], 'c:\\some\\dir'],
+     [['C:\\foo\\tmp.3\\', '..\\tmp.3\\cycles\\root.js'],
+      'C:\\foo\\tmp.3\\cycles\\root.js']
+    ];
+var posixTests =
+    // arguments                    result
+    [[['/var/lib', '../', 'file/'], '/var/file'],
+     [['/var/lib', '/../', 'file/'], '/file'],
+     [['a/b/c/', '../../..'], process.cwd()],
+     [['.'], process.cwd()],
+     [['/some/dir', '.', '/absolute/'], '/absolute'],
+     [['/foo/tmp.3/', '../tmp.3/cycles/root.js'], '/foo/tmp.3/cycles/root.js']
+    ];
+
+tape('path.posix.resolve', function (t) {
+  posixTests.forEach(function (p) {
+    var actual = path.posix.resolve.apply(null, p[0]);
+    t.strictEqual(actual, p[1]);
+  });
+  t.end();
+});
+
+tape('path.win32.resolve', { skip: true }, function (t) {
+  windowsTests.forEach(function (p) {
+    var actual = path.win32.resolve.apply(null, p[0]);
+    t.strictEqual(actual, p[1]);
+  });
+  t.end();
+});