From c46de29c7942bab9560559c9d278bcb0373c6f0e Mon Sep 17 00:00:00 2001
From: RamIdeas <5822355+RamIdeas@users.noreply.github.com>
Date: Fri, 6 Nov 2020 18:04:58 +0000
Subject: [PATCH 1/3] test for function with `typeof` not `instanceof`

allows environments (e.g. jest) to override the global Function constructor
---
 src/tokeniser.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/tokeniser.ts b/src/tokeniser.ts
index af7b215..f330a6e 100644
--- a/src/tokeniser.ts
+++ b/src/tokeniser.ts
@@ -21,7 +21,7 @@ const tokenise = (str: string, tokens: Token[] = []): Token[] => {
       match: match[0],
       val: match.slice(1, 2),
       otherVal: match.slice(2),
-      regex: rule.regex instanceof Function ? rule.regex(match) : rule.regex
+      regex: typeof rule.regex === 'function' ? rule.regex(match) : rule.regex
     })
 
     if (match[0].length < str.length) {

From 71dc258ba4cf0d77c3f5b7c56a394fc43b0b7c05 Mon Sep 17 00:00:00 2001
From: RamIdeas <5822355+RamIdeas@users.noreply.github.com>
Date: Fri, 13 Nov 2020 01:41:04 +0000
Subject: [PATCH 2/3] check for RegExp duck-type

using `constructor.name` rather than `instanceof`
---
 src/Path.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Path.ts b/src/Path.ts
index 2e7159e..ae227b3 100644
--- a/src/Path.ts
+++ b/src/Path.ts
@@ -329,7 +329,7 @@ export class Path<T extends Record<string, any> = Record<string, any>> {
 
   private getParams(type: string | RegExp): string[] {
     const predicate =
-      type instanceof RegExp
+      type.constructor.name === 'RegExp'
         ? (t: Token) => type.test(t.type)
         : (t: Token) => t.type === type
 

From c5f4e6d920c3d43a2a886c2891134b26a374aa7d Mon Sep 17 00:00:00 2001
From: RamIdeas <5822355+RamIdeas@users.noreply.github.com>
Date: Fri, 13 Nov 2020 01:47:11 +0000
Subject: [PATCH 3/3] differentiate regex using `typeof string`

rather than `instanceof RegExp`
---
 src/Path.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Path.ts b/src/Path.ts
index ae227b3..38e0ecf 100644
--- a/src/Path.ts
+++ b/src/Path.ts
@@ -329,7 +329,7 @@ export class Path<T extends Record<string, any> = Record<string, any>> {
 
   private getParams(type: string | RegExp): string[] {
     const predicate =
-      type.constructor.name === 'RegExp'
+      typeof type !== 'string'
         ? (t: Token) => type.test(t.type)
         : (t: Token) => t.type === type