From 4a8c6d8a8ba7ea4705c3683d9e9358046aac4789 Mon Sep 17 00:00:00 2001
From: Henry Zhu <hi@henryzoo.com>
Date: Mon, 7 Mar 2016 08:31:48 -0500
Subject: [PATCH] Merge pull request babel/babel-eslint#270 from
 danez/cleanup-monkey

remove monkey-patching of patternVisitor as unused
---
 eslint/babel-eslint-parser/index.js | 22 ----------------------
 1 file changed, 22 deletions(-)

diff --git a/eslint/babel-eslint-parser/index.js b/eslint/babel-eslint-parser/index.js
index 58d3114753..67ec4e5337 100644
--- a/eslint/babel-eslint-parser/index.js
+++ b/eslint/babel-eslint-parser/index.js
@@ -92,22 +92,6 @@ function monkeypatch() {
     referencer = referencer.default;
   }
 
-  // monkeypatch escope/pattern-visitor
-  var patternVisitorLoc;
-  var patternVisitorMod;
-  var patternVisitor;
-  try {
-    patternVisitorLoc = Module._resolveFilename("./pattern-visitor", escopeMod);
-    patternVisitorMod = createModule(patternVisitorLoc);
-    patternVisitor = require(patternVisitorLoc);
-    if (patternVisitor.__esModule) {
-      patternVisitor = patternVisitor.default;
-    }
-  } catch (err) {
-    // When eslint uses old escope, we cannot find pattern visitor.
-    // Fallback to the old way.
-  }
-
   // reference Definition
   var definitionLoc;
   try {
@@ -304,12 +288,6 @@ function monkeypatch() {
     }
   };
 
-  if (patternVisitor) {
-    patternVisitor.prototype.SpreadProperty = function (node) {
-      this.visit(node.argument);
-    };
-  }
-
   // visit flow type in VariableDeclaration
   var variableDeclaration = referencer.prototype.VariableDeclaration;
   referencer.prototype.VariableDeclaration = function(node) {