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1 files changed, 67 insertions, 0 deletions

diff --git a/node_modules/relateurl/lib/relate/relativize.js b/node_modules/relateurl/lib/relate/relativize.js
new file mode 100644
index 00000000..9af9a101
--- /dev/null
+++ b/node_modules/relateurl/lib/relate/relativize.js
@@ -0,0 +1,67 @@
+"use strict";
+
+var pathUtils = require("../util/path");
+
+
+
+/*
+	Get a path relative to the site path.
+*/
+function relatePath(absolutePath, siteAbsolutePath)
+{
+	var relativePath = [];
+	
+	// At this point, it's related to the host/port
+	var related = true;
+	var parentIndex = -1;
+	
+	// Find parents
+	siteAbsolutePath.forEach( function(siteAbsoluteDir, i)
+	{
+		if (related)
+		{
+			if (absolutePath[i] !== siteAbsoluteDir)
+			{
+				related = false;
+			}
+			else
+			{
+				parentIndex = i;
+			}
+		}
+		
+		if (!related)
+		{
+			// Up one level
+			relativePath.push("..");
+		}
+	});
+	
+	// Form path
+	absolutePath.forEach( function(dir, i)
+	{
+		if (i > parentIndex)
+		{
+			relativePath.push(dir);
+		}
+	});
+	
+	return relativePath;
+}
+
+
+
+function relativize(urlObj, siteUrlObj, options)
+{
+	if (urlObj.extra.relation.minimumScheme)
+	{
+		var pathArray = relatePath(urlObj.path.absolute.array, siteUrlObj.path.absolute.array);
+		
+		urlObj.path.relative.array  = pathArray;
+		urlObj.path.relative.string = pathUtils.join(pathArray);
+	}
+}
+
+
+
+module.exports = relativize;