1 files changed, 45 insertions, 0 deletions
diff --git a/node_modules/resolve/lib/node-modules-paths.js b/node_modules/resolve/lib/node-modules-paths.js
new file mode 100644
index 00000000..a4bde6a9
--- /dev/null
+++ b/node_modules/resolve/lib/node-modules-paths.js
@@ -0,0 +1,45 @@
+var path = require('path');
+var fs = require('fs');
+var parse = path.parse || require('path-parse');
+
+module.exports = function nodeModulesPaths(start, opts) {
+    var modules = opts && opts.moduleDirectory
+        ? [].concat(opts.moduleDirectory)
+        : ['node_modules'];
+
+    // ensure that `start` is an absolute path at this point,
+    // resolving against the process' current working directory
+    var absoluteStart = path.resolve(start);
+
+    if (opts && opts.preserveSymlinks === false) {
+        try {
+            absoluteStart = fs.realpathSync(absoluteStart);
+        } catch (err) {
+            if (err.code !== 'ENOENT') {
+                throw err;
+            }
+        }
+    }
+
+    var prefix = '/';
+    if (/^([A-Za-z]:)/.test(absoluteStart)) {
+        prefix = '';
+    } else if (/^\\\\/.test(absoluteStart)) {
+        prefix = '\\\\';
+    }
+
+    var paths = [absoluteStart];
+    var parsed = parse(absoluteStart);
+    while (parsed.dir !== paths[paths.length - 1]) {
+        paths.push(parsed.dir);
+        parsed = parse(parsed.dir);
+    }
+
+    var dirs = paths.reduce(function (dirs, aPath) {
+        return dirs.concat(modules.map(function (moduleDir) {
+            return path.join(prefix, aPath, moduleDir);
+        }));
+    }, []);
+
+    return opts && opts.paths ? dirs.concat(opts.paths) : dirs;
+};