From 9340fd51e48576a75adc919bff65dbc4a5d4c99b Mon Sep 17 00:00:00 2001
From: Colin McDonnell <colinmcd94@gmail.com>
Date: Wed, 4 Oct 2023 14:51:14 -0700
Subject: [PATCH] Lazy emojiRegex

---
 deno/lib/types.ts | 6 +++++-
 src/types.ts      | 6 +++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/deno/lib/types.ts b/deno/lib/types.ts
index 80939da3b..673ab1ec9 100644
--- a/deno/lib/types.ts
+++ b/deno/lib/types.ts
@@ -570,7 +570,8 @@ const emailRegex =
 //   /^[a-z0-9.!#$%&’*+/=?^_`{|}~-]+@[a-z0-9-]+(?:\.[a-z0-9\-]+)*$/i;
 
 // from https://thekevinscott.com/emojis-in-javascript/#writing-a-regular-expression
-const emojiRegex = /^(\p{Extended_Pictographic}|\p{Emoji_Component})+$/u;
+const _emojiRegex = `^(\\p{Extended_Pictographic}|\\p{Emoji_Component})+$`;
+let emojiRegex: RegExp;
 
 const ipv4Regex =
   /^(((25[0-5])|(2[0-4][0-9])|(1[0-9]{2})|([0-9]{1,2}))\.){3}((25[0-5])|(2[0-4][0-9])|(1[0-9]{2})|([0-9]{1,2}))$/;
@@ -710,6 +711,9 @@ export class ZodString extends ZodType<string, ZodStringDef> {
           status.dirty();
         }
       } else if (check.kind === "emoji") {
+        if (!emojiRegex) {
+          emojiRegex = new RegExp(_emojiRegex, "u");
+        }
         if (!emojiRegex.test(input.data)) {
           ctx = this._getOrReturnCtx(input, ctx);
           addIssueToContext(ctx, {
diff --git a/src/types.ts b/src/types.ts
index 20bb60dae..567936b76 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -570,7 +570,8 @@ const emailRegex =
 //   /^[a-z0-9.!#$%&’*+/=?^_`{|}~-]+@[a-z0-9-]+(?:\.[a-z0-9\-]+)*$/i;
 
 // from https://thekevinscott.com/emojis-in-javascript/#writing-a-regular-expression
-const emojiRegex = /^(\p{Extended_Pictographic}|\p{Emoji_Component})+$/u;
+const _emojiRegex = `^(\\p{Extended_Pictographic}|\\p{Emoji_Component})+$`;
+let emojiRegex: RegExp;
 
 const ipv4Regex =
   /^(((25[0-5])|(2[0-4][0-9])|(1[0-9]{2})|([0-9]{1,2}))\.){3}((25[0-5])|(2[0-4][0-9])|(1[0-9]{2})|([0-9]{1,2}))$/;
@@ -710,6 +711,9 @@ export class ZodString extends ZodType<string, ZodStringDef> {
           status.dirty();
         }
       } else if (check.kind === "emoji") {
+        if (!emojiRegex) {
+          emojiRegex = new RegExp(_emojiRegex, "u");
+        }
         if (!emojiRegex.test(input.data)) {
           ctx = this._getOrReturnCtx(input, ctx);
           addIssueToContext(ctx, {