From dbff156d07e199437cab8c11d66fc9006846cc70 Mon Sep 17 00:00:00 2001
From: gvergnaud <gabriel.vergnaud@gmail.com>
Date: Thu, 15 Feb 2024 10:04:51 -0500
Subject: [PATCH] fix: Make sure regeneratorRuntime isn't included in the cjs
 build

---
 src/patterns.ts | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/patterns.ts b/src/patterns.ts
index 9da71283..fa11bd59 100644
--- a/src/patterns.ts
+++ b/src/patterns.ts
@@ -128,10 +128,18 @@ function chainable<pattern extends Matcher<any, any, any, any, any>>(
 
 const variadic = <pattern extends {}>(pattern: pattern): Variadic<pattern> =>
   Object.assign(pattern, {
-    *[Symbol.iterator]() {
-      yield Object.assign(pattern, {
+    [Symbol.iterator](): Iterator<pattern, void, undefined> {
+      let i = 0;
+      const variadicPattern = Object.assign(pattern, {
         [symbols.isVariadic]: true,
       });
+      const values: IteratorResult<pattern, void>[] = [
+        { value: variadicPattern, done: false },
+        { done: true, value: undefined },
+      ];
+      return {
+        next: () => values[i++] ?? values.at(-1)!,
+      };
     },
   });