feat: Enforce limit of URLs for link buttons (#11011)

feat: enforce limit of URLs for link buttons

Author: Jiralite

packages/builders/__tests__/components/button.test.ts

@@ -30,7 +30,7 @@ describe('Button Components', () => {
 				button.toJSON();
 			}).not.toThrowError();
 
-			expect(() => new LinkButtonBuilder().setURL('https://google.com')).not.toThrowError();
+			expect(() => new LinkButtonBuilder().setLabel('label').setURL('https://google.com').toJSON()).not.toThrowError();
 		});
 
 		test('GIVEN invalid fields THEN build does throw', () => {
@@ -61,6 +61,13 @@ describe('Button Components', () => {
 			expect(() => new PrimaryButtonBuilder().setCustomId('hi').setDisabled(0).toJSON()).toThrowError();
 			// @ts-expect-error: Invalid emoji
 			expect(() => new PrimaryButtonBuilder().setCustomId('hi').setEmoji('foo').toJSON()).toThrowError();
+
+			expect(() =>
+				new LinkButtonBuilder()
+					.setLabel('label')
+					.setURL(`https://google.com/${'a'.repeat(512)}`)
+					.toJSON(),
+			).toThrowError();
 		});
 
 		test('GiVEN valid input THEN valid JSON outputs are given', () => {

packages/builders/src/components/Assertions.ts

@@ -32,7 +32,7 @@ const buttonDangerPredicate = buttonCustomIdPredicateBase.extend({ style: z.lite
 
 const buttonLinkPredicate = buttonPredicateBase.extend({
 	style: z.literal(ButtonStyle.Link),
-	url: z.url({ protocol: /^(?:https?|discord)$/ }),
+	url: z.url({ protocol: /^(?:https?|discord)$/ }).max(512),
 	emoji: emojiPredicate.optional(),
 	label: labelPredicate,
 });