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node_modules/common-ancestor-path/README.md

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+# common-ancestor-path
+
+Find the common ancestor of 2 or more paths on Windows or Unix
+
+## USAGE
+
+Give it two or more path strings, and it'll do the thing.
+
+```js
+const ancestor = require('common-ancestor-path')
+
+// output /a/b
+console.log(ancestor('/a/b/c/d', '/a/b/x/y/z', '/a/b/c/i/j/k'))
+
+// normalizes separators, but NOT cases, since it matters sometimes
+console.log(ancestor('C:\\a\\b\\c', 'C:\\a\\b\\x'))
+
+// no common ancestor on different windows drive letters
+// so, this returns null
+console.log(ancestor('c:\\a\\b\\c', 'd:\\d\\e\\f'))
+```
+
+## API
+
+`commonAncestorPath(...paths)`
+
+Returns the nearest (deepest) common ancestor path, or `null` if on
+different roots on Windows.