@ms-cloudpack/path-string-parsing - npm Package Compare versions

Comparing version 1.2.0 to 1.2.1

lib/normalizeRelativePath.d.ts

 /**
  * Normalize a path:
- * - If it's empty, undefined, or `'.'`, return `'.'`.
+ * - If it's empty, undefined, or `.`, return `.`.
  * - If it's relative, normalize slashes and ensure it starts with `./`.
+ * - If it starts with `/`, add a leading `.` (this is an absolute path but is sometimes treated
+ *   as package-relative)
+ * - If it's an absolute Windows path (starts with a drive letter), throw an error.
  * - If it's absolute, throw an error (since this likely indicates a bug in the calling code).
@@ -6,0 +9,0 @@ *

lib/normalizeRelativePath.js

 import { slash } from './slash.js';
 /**
  * Normalize a path:
- * - If it's empty, undefined, or `'.'`, return `'.'`.
+ * - If it's empty, undefined, or `.`, return `.`.
  * - If it's relative, normalize slashes and ensure it starts with `./`.
+ * - If it starts with `/`, add a leading `.` (this is an absolute path but is sometimes treated
+ *   as package-relative)
+ * - If it's an absolute Windows path (starts with a drive letter), throw an error.
  * - If it's absolute, throw an error (since this likely indicates a bug in the calling code).
@@ -14,12 +17,22 @@ *
     }
-    // Throw if the path is absolute.
-    // NOTE: Don't use the `path` module because this function is used by `parseImportString`, which
-    // is used in the browser by the overlay.
-    if (originalPath[0] === '/' || /^[a-zA-Z]:[\\/]/.test(originalPath)) {
-        throw new Error(`Expected a relative path, but received an absolute path: ${originalPath}`);
+    // Throw on an absolute Windows path: this is definitely absolute regardless of the context it
+    // came from, and if the calling code attempts to join it to another path as if it was relative,
+    // that will have bad results. It's more likely on Windows that we could unintentionally end up
+    // with an absolute path since there's no way to do relative paths across drive letters
+    // (path.relative() will return an absolute path), so we throw here to make it clear that
+    // Cloudpack needs to have specific handling for any cases where that might be possible.
+    if (/^[a-zA-Z]:[\\/]/.test(originalPath)) {
+        throw new Error(`Received an absolute path where a relative path was expected: ${originalPath}.\n` +
+            'This indicates a bug in Cloudpack, likely due to calling path.relative() with two Windows paths ' +
+            'on different drives (which returns an absolute path) and then assuming the result is relative.');
     }
     // Ensure we have the right slashes.
-    originalPath = slash(originalPath);
-    return originalPath.startsWith('./') ? originalPath : `./${originalPath}`;
+    const normalizedPath = slash(originalPath);
+    if (normalizedPath[0] === '/') {
+        // Technically a path starting with / is absolute, but it's possible that package.json
+        // entry points like "main" could also use a leading slash to indicate the package root.
+        return '.' + normalizedPath;
+    }
+    return normalizedPath.startsWith('./') ? normalizedPath : `./${normalizedPath}`;
 }
 //# sourceMappingURL=normalizeRelativePath.js.map

package.json

 {
   "name": "@ms-cloudpack/path-string-parsing",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "description": "Common path-related string parsing utilities for Cloudpack",
@@ -5,0 +5,0 @@ "license": "MIT",

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19240

increased by15.22%

Lines of code

170

increased by10.39%

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0

decreased by-100%

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