1 files changed, 33 insertions, 0 deletions
diff --git a/lib/internal/loader/search.js b/lib/internal/loader/search.js
new file mode 100644
index 00000000000..f0ec34ae4e7
--- /dev/null
+++ b/lib/internal/loader/search.js
@@ -0,0 +1,33 @@
+'use strict';
+
+const { URL } = require('url');
+const CJSmodule = require('module');
+const errors = require('internal/errors');
+const { resolve } = process.binding('module_wrap');
+
+module.exports = (target, base) => {
+  target = `${target}`;
+  if (base === undefined) {
+    // We cannot search without a base.
+    throw new errors.Error('ERR_MISSING_MODULE', target);
+  }
+  base = `${base}`;
+  try {
+    return resolve(target, base);
+  } catch (e) {
+    e.stack; // cause V8 to generate stack before rethrow
+    let error = e;
+    try {
+      const questionedBase = new URL(base);
+      const tmpMod = new CJSmodule(questionedBase.pathname, null);
+      tmpMod.paths = CJSmodule._nodeModulePaths(
+        new URL('./', questionedBase).pathname);
+      const found = CJSmodule._resolveFilename(target, tmpMod);
+      error = new errors.Error('ERR_MODULE_RESOLUTION_LEGACY', target,
+                               base, found);
+    } catch (problemChecking) {
+      // ignore
+    }
+    throw error;
+  }
+};