fix: reset pattern index after testing an input

Otherwise, we flip flop between validations
See #1181 (comment)

Author: vladfrangu

deno/utils/internals.ts

@@ -40,4 +40,14 @@ export type DistributiveOmit<T, K extends DistributiveKeys<T>> =
 
 type Omit_<T, K> = Omit<T, Extract<keyof T, K>>;
 
-export const urlSafeCharacters = /^[\d%A-Za-z-]+$/g;
+const pattern = /^[\d%A-Za-z-]+$/g;
+
+export const urlSafeCharacters = {
+	test(input: string) {
+		const result = pattern.test(input);
+
+		pattern.lastIndex = 0;
+
+		return result;
+	},
+};

tests/v10/routes-escaping.ts

@@ -0,0 +1,12 @@
+import { strictEqual } from 'node:assert';
+import { Routes } from '../../v10';
+
+const expected = '/channels/1320466398597615666/messages/1320622300642545705/reactions/%F0%9F%95%99/@me';
+
+strictEqual(Routes.channelMessageOwnReaction('1320466398597615666', '1320622300642545705', '%F0%9F%95%99'), expected);
+strictEqual(Routes.channelMessageOwnReaction('1320466398597615666', '1320622300642545705', '%F0%9F%95%99'), expected);
+strictEqual(Routes.channelMessageOwnReaction('1320466398597615666', '1320622300642545705', '%F0%9F%95%99'), expected);
+
+const emoji = '🕙';
+
+strictEqual(Routes.channelMessageOwnReaction('1320466398597615666', '1320622300642545705', emoji), expected);

utils/internals.ts

@@ -40,4 +40,14 @@ export type DistributiveOmit<T, K extends DistributiveKeys<T>> =
 
 type Omit_<T, K> = Omit<T, Extract<keyof T, K>>;
 
-export const urlSafeCharacters = /^[\d%A-Za-z-]+$/g;
+const pattern = /^[\d%A-Za-z-]+$/g;
+
+export const urlSafeCharacters = {
+	test(input: string) {
+		const result = pattern.test(input);
+
+		pattern.lastIndex = 0;
+
+		return result;
+	},
+};