From b90adc4ceee58d665241fbba41f932553ebbce67 Mon Sep 17 00:00:00 2001
From: as <as@as.local>
Date: Thu, 6 Aug 2020 16:41:17 +0800
Subject: [PATCH] when run into different context,this judge will be wrong.

---
 lib/url-pattern.js     | 2 +-
 package.json           | 2 +-
 src/url-pattern.coffee | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/url-pattern.js b/lib/url-pattern.js
index 0d635c2..509a33e 100644
--- a/lib/url-pattern.js
+++ b/lib/url-pattern.js
@@ -348,7 +348,7 @@ var slice = [].slice;
       this.names = arg1.names;
       return;
     }
-    this.isRegex = arg1 instanceof RegExp;
+    this.isRegex = Object.prototype.toString.call(arg1) === '[object RegExp]';
     if (!(('string' === typeof arg1) || this.isRegex)) {
       throw new TypeError('argument must be a regex or a string');
     }
diff --git a/package.json b/package.json
index 7cb6ee7..6986df7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "url-pattern",
-  "version": "1.0.3",
+  "version": "1.0.4",
   "description": "easier than regex string matching patterns for urls and other strings. turn strings into data or data into strings.",
   "keywords": [
     "url",
diff --git a/src/url-pattern.coffee b/src/url-pattern.coffee
index 10b6904..c060283 100644
--- a/src/url-pattern.coffee
+++ b/src/url-pattern.coffee
@@ -350,7 +350,7 @@
       @names = arg1.names
       return
 
-    @isRegex = arg1 instanceof RegExp
+    @isRegex = Object.prototype.toString.call(arg1) is '[object RegExp]'
 
     unless ('string' is typeof arg1) or @isRegex
       throw new TypeError 'argument must be a regex or a string'