feat!: use zod v4 (#10922)

* feat: zod 4

* feat: zod v3, but v4

feat: validation error class

Co-authored-by: Qjuh <76154676+Qjuh@users.noreply.github.com>

* chore: bump

---------

Co-authored-by: Jiralite <33201955+Jiralite@users.noreply.github.com>
Co-authored-by: Qjuh <76154676+Qjuh@users.noreply.github.com>

packages/builders/__tests__/util.test.ts

@@ -1,5 +1,13 @@
 import { describe, test, expect } from 'vitest';
-import { enableValidators, disableValidators, isValidationEnabled, normalizeArray } from '../src/index.js';
+import { z } from 'zod/v4';
+import {
+	enableValidators,
+	disableValidators,
+	isValidationEnabled,
+	normalizeArray,
+	ValidationError,
+} from '../src/index.js';
+import { validate } from '../src/util/validation.js';
 
 describe('validation', () => {
 	test('enables validation', () => {
@@ -11,6 +19,17 @@ describe('validation', () => {
 		disableValidators();
 		expect(isValidationEnabled()).toBeFalsy();
 	});
+
+	test('validation error', () => {
+		try {
+			validate(z.never(), 1, true);
+			throw new Error('validation should have failed');
+		} catch (error) {
+			expect(error).toBeInstanceOf(ValidationError);
+			expect((error as ValidationError).message).toBe('✖ Invalid input: expected never, received number');
+			expect((error as ValidationError).cause).toBeInstanceOf(z.ZodError);
+		}
+	});
 });
 
 describe('normalizeArray', () => {

packages/builders/package.json

@@ -69,8 +69,7 @@
 		"discord-api-types": "^0.38.14",
 		"ts-mixer": "^6.0.4",
 		"tslib": "^2.8.1",
-		"zod": "^3.24.2",
-		"zod-validation-error": "^3.4.0"
+		"zod": "^3.25.69"
 	},
 	"devDependencies": {
 		"@discordjs/api-extractor": "workspace:^",

packages/builders/src/Assertions.ts

@@ -1,21 +1,13 @@
 import { Locale } from 'discord-api-types/v10';
-import { z } from 'zod';
+import { z } from 'zod/v4';
 
 export const customIdPredicate = z.string().min(1).max(100);
 
 export const memberPermissionsPredicate = z.coerce.bigint();
 
-export const localeMapPredicate = z
-	.object(
-		Object.fromEntries(Object.values(Locale).map((loc) => [loc, z.string().optional()])) as Record<
-			Locale,
-			z.ZodOptional<z.ZodString>
-		>,
-	)
-	.strict();
-
-export const refineURLPredicate = (allowedProtocols: string[]) => (value: string) => {
-	// eslint-disable-next-line n/prefer-global/url
-	const url = new URL(value);
-	return allowedProtocols.includes(url.protocol);
-};
+export const localeMapPredicate = z.strictObject(
+	Object.fromEntries(Object.values(Locale).map((loc) => [loc, z.string().optional()])) as Record<
+		Locale,
+		z.ZodOptional<z.ZodString>
+	>,
+);

packages/builders/src/components/Assertions.ts

@@ -1,21 +1,20 @@
 import { ButtonStyle, ChannelType, ComponentType, SelectMenuDefaultValueType } from 'discord-api-types/v10';
-import { z } from 'zod';
-import { customIdPredicate, refineURLPredicate } from '../Assertions.js';
+import { z } from 'zod/v4';
+import { customIdPredicate } from '../Assertions.js';
 
 const labelPredicate = z.string().min(1).max(80);
 
 export const emojiPredicate = z
-	.object({
+	.strictObject({
 		id: z.string().optional(),
 		name: z.string().min(2).max(32).optional(),
 		animated: z.boolean().optional(),
 	})
-	.strict()
 	.refine((data) => data.id !== undefined || data.name !== undefined, {
-		message: "Either 'id' or 'name' must be provided",
+		error: "Either 'id' or 'name' must be provided",
 	});
 
-const buttonPredicateBase = z.object({
+const buttonPredicateBase = z.strictObject({
 	type: z.literal(ComponentType.Button),
 	disabled: z.boolean().optional(),
 });
@@ -26,31 +25,22 @@ const buttonCustomIdPredicateBase = buttonPredicateBase.extend({
 	label: labelPredicate,
 });
 
-const buttonPrimaryPredicate = buttonCustomIdPredicateBase.extend({ style: z.literal(ButtonStyle.Primary) }).strict();
-const buttonSecondaryPredicate = buttonCustomIdPredicateBase
-	.extend({ style: z.literal(ButtonStyle.Secondary) })
-	.strict();
-const buttonSuccessPredicate = buttonCustomIdPredicateBase.extend({ style: z.literal(ButtonStyle.Success) }).strict();
-const buttonDangerPredicate = buttonCustomIdPredicateBase.extend({ style: z.literal(ButtonStyle.Danger) }).strict();
+const buttonPrimaryPredicate = buttonCustomIdPredicateBase.extend({ style: z.literal(ButtonStyle.Primary) });
+const buttonSecondaryPredicate = buttonCustomIdPredicateBase.extend({ style: z.literal(ButtonStyle.Secondary) });
+const buttonSuccessPredicate = buttonCustomIdPredicateBase.extend({ style: z.literal(ButtonStyle.Success) });
+const buttonDangerPredicate = buttonCustomIdPredicateBase.extend({ style: z.literal(ButtonStyle.Danger) });
 
-const buttonLinkPredicate = buttonPredicateBase
-	.extend({
-		style: z.literal(ButtonStyle.Link),
-		url: z
-			.string()
-			.url()
-			.refine(refineURLPredicate(['http:', 'https:', 'discord:'])),
-		emoji: emojiPredicate.optional(),
-		label: labelPredicate,
-	})
-	.strict();
+const buttonLinkPredicate = buttonPredicateBase.extend({
+	style: z.literal(ButtonStyle.Link),
+	url: z.url({ protocol: /^(?:https?|discord)$/ }),
+	emoji: emojiPredicate.optional(),
+	label: labelPredicate,
+});
 
-const buttonPremiumPredicate = buttonPredicateBase
-	.extend({
-		style: z.literal(ButtonStyle.Premium),
-		sku_id: z.string(),
-	})
-	.strict();
+const buttonPremiumPredicate = buttonPredicateBase.extend({
+	style: z.literal(ButtonStyle.Premium),
+	sku_id: z.string(),
+});
 
 export const buttonPredicate = z.discriminatedUnion('style', [
 	buttonLinkPredicate,
@@ -71,7 +61,7 @@ const selectMenuBasePredicate = z.object({
 
 export const selectMenuChannelPredicate = selectMenuBasePredicate.extend({
 	type: z.literal(ComponentType.ChannelSelect),
-	channel_types: z.nativeEnum(ChannelType).array().optional(),
+	channel_types: z.enum(ChannelType).array().optional(),
 	default_values: z
 		.object({ id: z.string(), type: z.literal(SelectMenuDefaultValueType.Channel) })
 		.array()
@@ -84,7 +74,7 @@ export const selectMenuMentionablePredicate = selectMenuBasePredicate.extend({
 	default_values: z
 		.object({
 			id: z.string(),
-			type: z.union([z.literal(SelectMenuDefaultValueType.Role), z.literal(SelectMenuDefaultValueType.User)]),
+			type: z.literal([SelectMenuDefaultValueType.Role, SelectMenuDefaultValueType.User]),
 		})
 		.array()
 		.max(25)
@@ -113,23 +103,25 @@ export const selectMenuStringPredicate = selectMenuBasePredicate
 		type: z.literal(ComponentType.StringSelect),
 		options: selectMenuStringOptionPredicate.array().min(1).max(25),
 	})
-	.superRefine((menu, ctx) => {
+	.check((ctx) => {
 		const addIssue = (name: string, minimum: number) =>
-			ctx.addIssue({
+			ctx.issues.push({
 				code: 'too_small',
 				message: `The number of options must be greater than or equal to ${name}`,
 				inclusive: true,
 				minimum,
 				type: 'number',
 				path: ['options'],
+				origin: 'number',
+				input: minimum,
 			});
 
-		if (menu.max_values !== undefined && menu.options.length < menu.max_values) {
-			addIssue('max_values', menu.max_values);
+		if (ctx.value.max_values !== undefined && ctx.value.options.length < ctx.value.max_values) {
+			addIssue('max_values', ctx.value.max_values);
 		}
 
-		if (menu.min_values !== undefined && menu.options.length < menu.min_values) {
-			addIssue('min_values', menu.min_values);
+		if (ctx.value.min_values !== undefined && ctx.value.options.length < ctx.value.min_values) {
+			addIssue('min_values', ctx.value.min_values);
 		}
 	});
 
@@ -152,14 +144,13 @@ export const actionRowPredicate = z.object({
 			.max(5),
 		z
 			.object({
-				type: z.union([
-					z.literal(ComponentType.ChannelSelect),
-					z.literal(ComponentType.MentionableSelect),
-					z.literal(ComponentType.RoleSelect),
-					z.literal(ComponentType.StringSelect),
-					z.literal(ComponentType.UserSelect),
-					// And this!
-					z.literal(ComponentType.TextInput),
+				type: z.literal([
+					ComponentType.ChannelSelect,
+					ComponentType.MentionableSelect,
+					ComponentType.StringSelect,
+					ComponentType.RoleSelect,
+					ComponentType.TextInput,
+					ComponentType.UserSelect,
 				]),
 			})
 			.array()

packages/builders/src/components/textInput/Assertions.ts

@@ -1,12 +1,12 @@
 import { ComponentType, TextInputStyle } from 'discord-api-types/v10';
-import { z } from 'zod';
+import { z } from 'zod/v4';
 import { customIdPredicate } from '../../Assertions.js';
 
 export const textInputPredicate = z.object({
 	type: z.literal(ComponentType.TextInput),
 	custom_id: customIdPredicate,
 	label: z.string().min(1).max(45),
-	style: z.nativeEnum(TextInputStyle),
+	style: z.enum(TextInputStyle),
 	min_length: z.number().min(0).max(4_000).optional(),
 	max_length: z.number().min(1).max(4_000).optional(),
 	placeholder: z.string().max(100).optional(),

packages/builders/src/components/v2/Assertions.ts

@@ -1,15 +1,9 @@
 import { ComponentType, SeparatorSpacingSize } from 'discord-api-types/v10';
-import { z } from 'zod';
-import { refineURLPredicate } from '../../Assertions.js';
+import { z } from 'zod/v4';
 import { actionRowPredicate } from '../Assertions.js';
 
 const unfurledMediaItemPredicate = z.object({
-	url: z
-		.string()
-		.url()
-		.refine(refineURLPredicate(['http:', 'https:', 'attachment:']), {
-			message: 'Invalid protocol for media URL. Must be http:, https:, or attachment:',
-		}),
+	url: z.url({ protocol: /^(?:https?|attachment)$/ }),
 });
 
 export const thumbnailPredicate = z.object({
@@ -19,12 +13,7 @@ export const thumbnailPredicate = z.object({
 });
 
 const unfurledMediaItemAttachmentOnlyPredicate = z.object({
-	url: z
-		.string()
-		.url()
-		.refine(refineURLPredicate(['attachment:']), {
-			message: 'Invalid protocol for file URL. Must be attachment:',
-		}),
+	url: z.url({ protocol: /^attachment$/ }),
 });
 
 export const filePredicate = z.object({
@@ -34,7 +23,7 @@ export const filePredicate = z.object({
 
 export const separatorPredicate = z.object({
 	divider: z.boolean().optional(),
-	spacing: z.nativeEnum(SeparatorSpacingSize).optional(),
+	spacing: z.enum(SeparatorSpacingSize).optional(),
 });
 
 export const textDisplayPredicate = z.object({
@@ -73,5 +62,5 @@ export const containerPredicate = z.object({
 		)
 		.min(1),
 	spoiler: z.boolean().optional(),
-	accent_color: z.number().int().min(0).max(0xffffff).nullish(),
+	accent_color: z.int().min(0).max(0xffffff).nullish(),
 });

packages/builders/src/index.ts

@@ -87,6 +87,7 @@ export * from './util/componentUtil.js';
 export * from './util/normalizeArray.js';
 export * from './util/resolveBuilder.js';
 export { disableValidators, enableValidators, isValidationEnabled } from './util/validation.js';
+export * from './util/ValidationError.js';
 
 export * from './Assertions.js';
 

packages/builders/src/interactions/commands/chatInput/Assertions.ts

@@ -3,8 +3,7 @@ import {
 	InteractionContextType,
 	ApplicationCommandOptionType,
 } from 'discord-api-types/v10';
-import type { ZodTypeAny } from 'zod';
-import { z } from 'zod';
+import { z } from 'zod/v4';
 import { localeMapPredicate, memberPermissionsPredicate } from '../../../Assertions.js';
 import { ApplicationCommandOptionAllowedChannelTypes } from './mixins/ApplicationCommandOptionChannelTypesMixin.js';
 
@@ -24,26 +23,17 @@ const sharedNameAndDescriptionPredicate = z.object({
 });
 
 const numericMixinNumberOptionPredicate = z.object({
-	max_value: z.number().safe().optional(),
-	min_value: z.number().safe().optional(),
+	max_value: z.float32().optional(),
+	min_value: z.float32().optional(),
 });
 
 const numericMixinIntegerOptionPredicate = z.object({
-	max_value: z.number().safe().int().optional(),
-	min_value: z.number().safe().int().optional(),
+	max_value: z.int().optional(),
+	min_value: z.int().optional(),
 });
 
 const channelMixinOptionPredicate = z.object({
-	channel_types: z
-		.union(
-			ApplicationCommandOptionAllowedChannelTypes.map((type) => z.literal(type)) as unknown as [
-				ZodTypeAny,
-				ZodTypeAny,
-				...ZodTypeAny[],
-			],
-		)
-		.array()
-		.optional(),
+	channel_types: z.literal(ApplicationCommandOptionAllowedChannelTypes).array().optional(),
 });
 
 const autocompleteMixinOptionPredicate = z.object({
@@ -52,7 +42,7 @@ const autocompleteMixinOptionPredicate = z.object({
 });
 
 const choiceValueStringPredicate = z.string().min(1).max(100);
-const choiceValueNumberPredicate = z.number().safe();
+const choiceValueNumberPredicate = z.number();
 const choiceBasePredicate = z.object({
 	name: choiceValueStringPredicate,
 	name_localizations: localeMapPredicate.optional(),
@@ -74,7 +64,7 @@ const choiceNumberMixinPredicate = choiceBaseMixinPredicate.extend({
 	choices: choiceNumberPredicate.array().max(25).optional(),
 });
 
-const basicOptionTypes = [
+const basicOptionTypesPredicate = z.literal([
 	ApplicationCommandOptionType.Attachment,
 	ApplicationCommandOptionType.Boolean,
 	ApplicationCommandOptionType.Channel,
@@ -84,11 +74,7 @@ const basicOptionTypes = [
 	ApplicationCommandOptionType.Role,
 	ApplicationCommandOptionType.String,
 	ApplicationCommandOptionType.User,
-] as const;
-
-const basicOptionTypesPredicate = z.union(
-	basicOptionTypes.map((type) => z.literal(type)) as unknown as [ZodTypeAny, ZodTypeAny, ...ZodTypeAny[]],
-);
+]);
 
 export const basicOptionPredicate = sharedNameAndDescriptionPredicate.extend({
 	required: z.boolean().optional(),
@@ -105,14 +91,23 @@ const autocompleteOrNumberChoicesMixinOptionPredicate = z.discriminatedUnion('au
 	choiceNumberMixinPredicate,
 ]);
 
-export const channelOptionPredicate = basicOptionPredicate.merge(channelMixinOptionPredicate);
+export const channelOptionPredicate = z.object({
+	...basicOptionPredicate.shape,
+	...channelMixinOptionPredicate.shape,
+});
 
-export const integerOptionPredicate = basicOptionPredicate
-	.merge(numericMixinIntegerOptionPredicate)
+export const integerOptionPredicate = z
+	.object({
+		...basicOptionPredicate.shape,
+		...numericMixinIntegerOptionPredicate.shape,
+	})
 	.and(autocompleteOrNumberChoicesMixinOptionPredicate);
 
-export const numberOptionPredicate = basicOptionPredicate
-	.merge(numericMixinNumberOptionPredicate)
+export const numberOptionPredicate = z
+	.object({
+		...basicOptionPredicate.shape,
+		...numericMixinNumberOptionPredicate.shape,
+	})
 	.and(autocompleteOrNumberChoicesMixinOptionPredicate);
 
 export const stringOptionPredicate = basicOptionPredicate
@@ -123,9 +118,9 @@ export const stringOptionPredicate = basicOptionPredicate
 	.and(autocompleteOrStringChoicesMixinOptionPredicate);
 
 const baseChatInputCommandPredicate = sharedNameAndDescriptionPredicate.extend({
-	contexts: z.array(z.nativeEnum(InteractionContextType)).optional(),
+	contexts: z.array(z.enum(InteractionContextType)).optional(),
 	default_member_permissions: memberPermissionsPredicate.optional(),
-	integration_types: z.array(z.nativeEnum(ApplicationIntegrationType)).optional(),
+	integration_types: z.array(z.enum(ApplicationIntegrationType)).optional(),
 	nsfw: z.boolean().optional(),
 });
 

packages/builders/src/interactions/commands/chatInput/mixins/ApplicationCommandOptionChannelTypesMixin.ts

@@ -17,7 +17,7 @@ export const ApplicationCommandOptionAllowedChannelTypes = [
 /**
  * Allowed channel types used for a channel option.
  */
-export type ApplicationCommandOptionAllowedChannelTypes = (typeof ApplicationCommandOptionAllowedChannelTypes)[number];
+export type ApplicationCommandOptionAllowedChannelType = (typeof ApplicationCommandOptionAllowedChannelTypes)[number];
 
 export interface ApplicationCommandOptionChannelTypesData
 	extends Pick<APIApplicationCommandChannelOption, 'channel_types'> {}
@@ -36,7 +36,7 @@ export class ApplicationCommandOptionChannelTypesMixin {
 	 *
 	 * @param channelTypes - The channel types
 	 */
-	public addChannelTypes(...channelTypes: RestOrArray<ApplicationCommandOptionAllowedChannelTypes>) {
+	public addChannelTypes(...channelTypes: RestOrArray<ApplicationCommandOptionAllowedChannelType>) {
 		this.data.channel_types ??= [];
 		this.data.channel_types.push(...normalizeArray(channelTypes));
 
@@ -48,7 +48,7 @@ export class ApplicationCommandOptionChannelTypesMixin {
 	 *
 	 * @param channelTypes - The channel types
 	 */
-	public setChannelTypes(...channelTypes: RestOrArray<ApplicationCommandOptionAllowedChannelTypes>) {
+	public setChannelTypes(...channelTypes: RestOrArray<ApplicationCommandOptionAllowedChannelType>) {
 		this.data.channel_types = normalizeArray(channelTypes);
 		return this;
 	}

packages/builders/src/interactions/commands/chatInput/options/ApplicationCommandOptionBase.ts

@@ -4,7 +4,7 @@ import type {
 	APIApplicationCommandOption,
 	ApplicationCommandOptionType,
 } from 'discord-api-types/v10';
-import type { z } from 'zod';
+import type { z } from 'zod/v4';
 import { validate } from '../../../../util/validation.js';
 import type { SharedNameAndDescriptionData } from '../../SharedNameAndDescription.js';
 import { SharedNameAndDescription } from '../../SharedNameAndDescription.js';
@@ -24,7 +24,7 @@ export abstract class ApplicationCommandOptionBase
 	/**
 	 * @internal
 	 */
-	protected static readonly predicate: z.ZodTypeAny = basicOptionPredicate;
+	protected static readonly predicate: z.ZodType = basicOptionPredicate;
 
 	/**
 	 * @internal

packages/builders/src/interactions/commands/contextMenu/Assertions.ts

@@ -1,5 +1,5 @@
 import { ApplicationCommandType, ApplicationIntegrationType, InteractionContextType } from 'discord-api-types/v10';
-import { z } from 'zod';
+import { z } from 'zod/v4';
 import { localeMapPredicate, memberPermissionsPredicate } from '../../../Assertions.js';
 
 const namePredicate = z
@@ -8,8 +8,8 @@ const namePredicate = z
 	.max(32)
 	.regex(/^(?:(?: *[\p{P}\p{L}\p{N}\p{sc=Devanagari}\p{sc=Thai}\p{Extended_Pictographic}\p{Emoji_Component}]) *)+$/u);
 
-const contextsPredicate = z.array(z.nativeEnum(InteractionContextType));
-const integrationTypesPredicate = z.array(z.nativeEnum(ApplicationIntegrationType));
+const contextsPredicate = z.array(z.enum(InteractionContextType));
+const integrationTypesPredicate = z.array(z.enum(ApplicationIntegrationType));
 
 const baseContextMenuCommandPredicate = z.object({
 	contexts: contextsPredicate.optional(),

packages/builders/src/interactions/modals/Assertions.ts

@@ -1,5 +1,5 @@
 import { ComponentType } from 'discord-api-types/v10';
-import { z } from 'zod';
+import { z } from 'zod/v4';
 import { customIdPredicate } from '../../Assertions.js';
 
 const titlePredicate = z.string().min(1).max(45);

packages/builders/src/messages/Assertions.ts

@@ -1,5 +1,5 @@
 import { AllowedMentionsTypes, ComponentType, MessageFlags, MessageReferenceType } from 'discord-api-types/v10';
-import { z } from 'zod';
+import { z } from 'zod/v4';
 import { embedPredicate } from './embed/Assertions.js';
 import { pollPredicate } from './poll/Assertions.js';
 
@@ -17,7 +17,7 @@ export const attachmentPredicate = z.object({
 
 export const allowedMentionPredicate = z
 	.object({
-		parse: z.nativeEnum(AllowedMentionsTypes).array().optional(),
+		parse: z.enum(AllowedMentionsTypes).array().optional(),
 		roles: z.string().array().max(100).optional(),
 		users: z.string().array().max(100).optional(),
 		replied_user: z.boolean().optional(),
@@ -29,7 +29,7 @@ export const allowedMentionPredicate = z
 				(data.parse?.includes(AllowedMentionsTypes.Role) && data.roles?.length)
 			),
 		{
-			message:
+			error:
 				'Cannot specify both parse: ["users"] and non-empty users array, or parse: ["roles"] and non-empty roles array. These are mutually exclusive',
 		},
 	);
@@ -39,7 +39,7 @@ export const messageReferencePredicate = z.object({
 	fail_if_not_exists: z.boolean().optional(),
 	guild_id: z.string().optional(),
 	message_id: z.string(),
-	type: z.nativeEnum(MessageReferenceType).optional(),
+	type: z.enum(MessageReferenceType).optional(),
 });
 
 const baseMessagePredicate = z.object({
@@ -55,13 +55,13 @@ const basicActionRowPredicate = z.object({
 	type: z.literal(ComponentType.ActionRow),
 	components: z
 		.object({
-			type: z.union([
-				z.literal(ComponentType.Button),
-				z.literal(ComponentType.ChannelSelect),
-				z.literal(ComponentType.MentionableSelect),
-				z.literal(ComponentType.RoleSelect),
-				z.literal(ComponentType.StringSelect),
-				z.literal(ComponentType.UserSelect),
+			type: z.literal([
+				ComponentType.Button,
+				ComponentType.ChannelSelect,
+				ComponentType.MentionableSelect,
+				ComponentType.RoleSelect,
+				ComponentType.StringSelect,
+				ComponentType.UserSelect,
 			]),
 		})
 		.array(),
@@ -75,15 +75,10 @@ const messageNoComponentsV2Predicate = baseMessagePredicate
 		poll: pollPredicate.optional(),
 		components: basicActionRowPredicate.array().max(5).optional(),
 		flags: z
-			.number()
+			.int()
 			.optional()
-			.refine((flags) => {
-				// If we have flags, ensure we don't have the ComponentsV2 flag
-				if (flags) {
-					return (flags & MessageFlags.IsComponentsV2) === 0;
-				}
-
-				return true;
+			.refine((flags) => !flags || (flags & MessageFlags.IsComponentsV2) === 0, {
+				error: 'Cannot set content, embeds, stickers, or poll with IsComponentsV2 flag set',
 			}),
 	})
 	.refine(
@@ -94,22 +89,22 @@ const messageNoComponentsV2Predicate = baseMessagePredicate
 			(data.attachments !== undefined && data.attachments.length > 0) ||
 			(data.components !== undefined && data.components.length > 0) ||
 			(data.sticker_ids !== undefined && data.sticker_ids.length > 0),
-		{ message: 'Messages must have content, embeds, a poll, attachments, components or stickers' },
+		{ error: 'Messages must have content, embeds, a poll, attachments, components or stickers' },
 	);
 
 const allTopLevelComponentsPredicate = z
 	.union([
 		basicActionRowPredicate,
 		z.object({
-			type: z.union([
+			type: z.literal([
 				// Components v2
-				z.literal(ComponentType.Container),
-				z.literal(ComponentType.File),
-				z.literal(ComponentType.MediaGallery),
-				z.literal(ComponentType.Section),
-				z.literal(ComponentType.Separator),
-				z.literal(ComponentType.TextDisplay),
-				z.literal(ComponentType.Thumbnail),
+				ComponentType.Container,
+				ComponentType.File,
+				ComponentType.MediaGallery,
+				ComponentType.Section,
+				ComponentType.Separator,
+				ComponentType.TextDisplay,
+				ComponentType.Thumbnail,
 			]),
 		}),
 	])
@@ -119,7 +114,9 @@ const allTopLevelComponentsPredicate = z
 
 const messageComponentsV2Predicate = baseMessagePredicate.extend({
 	components: allTopLevelComponentsPredicate,
-	flags: z.number().refine((flags) => (flags & MessageFlags.IsComponentsV2) === MessageFlags.IsComponentsV2),
+	flags: z.int().refine((flags) => (flags & MessageFlags.IsComponentsV2) === MessageFlags.IsComponentsV2, {
+		error: 'Must set IsComponentsV2 flag to use Components V2',
+	}),
 	// These fields cannot be set
 	content: z.string().length(0).nullish(),
 	embeds: z.array(z.never()).nullish(),

packages/builders/src/messages/embed/Assertions.ts

@@ -1,20 +1,11 @@
-import { z } from 'zod';
-import { refineURLPredicate } from '../../Assertions.js';
+import { z } from 'zod/v4';
 import { embedLength } from '../../util/componentUtil.js';
 
 const namePredicate = z.string().max(256);
 
-const URLPredicate = z
-	.string()
-	.url()
-	.refine(refineURLPredicate(['http:', 'https:']), { message: 'Invalid protocol for URL. Must be http: or https:' });
+const URLPredicate = z.url({ protocol: /^https?$/ });
 
-const URLWithAttachmentProtocolPredicate = z
-	.string()
-	.url()
-	.refine(refineURLPredicate(['http:', 'https:', 'attachment:']), {
-		message: 'Invalid protocol for URL. Must be http:, https:, or attachment:',
-	});
+const URLWithAttachmentProtocolPredicate = z.url({ protocol: /^(?:https?|attachment)$/ });
 
 export const embedFieldPredicate = z.object({
 	name: namePredicate,
@@ -39,7 +30,7 @@ export const embedPredicate = z
 		description: z.string().min(1).max(4_096).optional(),
 		url: URLPredicate.optional(),
 		timestamp: z.string().optional(),
-		color: z.number().int().min(0).max(0xffffff).optional(),
+		color: z.int().min(0).max(0xffffff).optional(),
 		footer: embedFooterPredicate.optional(),
 		image: z.object({ url: URLWithAttachmentProtocolPredicate }).optional(),
 		thumbnail: z.object({ url: URLWithAttachmentProtocolPredicate }).optional(),
@@ -56,7 +47,7 @@ export const embedPredicate = z
 			embed.image !== undefined ||
 			embed.thumbnail !== undefined,
 		{
-			message: 'Embed must have at least a title, description, a field, a footer, an author, an image, OR a thumbnail.',
+			error: 'Embed must have at least a title, description, a field, a footer, an author, an image, OR a thumbnail.',
 		},
 	)
-	.refine((embed) => embedLength(embed) <= 6_000, { message: 'Embeds must not exceed 6000 characters in total.' });
+	.refine((embed) => embedLength(embed) <= 6_000, { error: 'Embeds must not exceed 6000 characters in total.' });

packages/builders/src/messages/poll/Assertions.ts

@@ -1,5 +1,5 @@
 import { PollLayoutType } from 'discord-api-types/v10';
-import { z } from 'zod';
+import { z } from 'zod/v4';
 import { emojiPredicate } from '../../components/Assertions';
 
 export const pollQuestionPredicate = z.object({ text: z.string().min(1).max(300) });
@@ -16,5 +16,5 @@ export const pollPredicate = z.object({
 	answers: z.array(pollAnswerPredicate).min(1).max(10),
 	duration: z.number().min(1).max(768).optional(),
 	allow_multiselect: z.boolean().optional(),
-	layout_type: z.nativeEnum(PollLayoutType).optional(),
+	layout_type: z.enum(PollLayoutType).optional(),
 });

packages/builders/src/util/ValidationError.ts

@@ -0,0 +1,21 @@
+import { z } from 'zod/v4';
+
+/**
+ * An error that is thrown when validation fails.
+ */
+export class ValidationError extends Error {
+	/**
+	 * The underlying cause of the validation error.
+	 */
+	public override readonly cause: z.ZodError;
+
+	/**
+	 * @internal
+	 */
+	public constructor(error: z.ZodError) {
+		super(z.prettifyError(error));
+
+		this.name = 'ValidationError';
+		this.cause = error;
+	}
+}

packages/builders/src/util/validation.ts

@@ -1,5 +1,5 @@
-import type { z } from 'zod';
-import { fromZodError } from 'zod-validation-error';
+import type { z } from 'zod/v4';
+import { ValidationError } from './ValidationError.js';
 
 let validationEnabled = true;
 
@@ -35,21 +35,23 @@ export function isValidationEnabled() {
  * @param value - The value to parse
  * @param validationOverride - Force validation to run/not run regardless of your global preference
  * @returns The result from parsing
+ * @throws {@link ValidationError}
+ * Throws if the value does not pass validation, if enabled.
  * @internal
  */
-export function validate<Validator extends z.ZodTypeAny>(
+export function validate<Validator extends z.ZodType>(
 	validator: Validator,
 	value: unknown,
 	validationOverride?: boolean,
 ): z.output<Validator> {
-	if (validationOverride === false || !isValidationEnabled()) {
-		return value;
+	if (validationOverride === false || (validationOverride === undefined && !isValidationEnabled())) {
+		return value as z.output<Validator>;
 	}
 
 	const result = validator.safeParse(value);
 
 	if (!result.success) {
-		throw fromZodError(result.error);
+		throw new ValidationError(result.error);
 	}
 
 	return result.data;

packages/discord.js/src/structures/ApplicationCommand.js

@@ -579,7 +579,7 @@ class ApplicationCommand extends Base {
    * {@link ApplicationCommandOptionType.Number} option
    * @property {ApplicationCommandOptionChoice[]} [choices] The choices of the option for the user to pick from
    * @property {ApplicationCommandOption[]} [options] Additional options if this option is a subcommand (group)
-   * @property {ApplicationCommandOptionAllowedChannelTypes[]} [channelTypes] When the option type is channel,
+   * @property {ApplicationCommandOptionAllowedChannelType[]} [channelTypes] When the option type is channel,
    * the allowed types of channels that can be selected
    * @property {number} [minValue] The minimum value for an {@link ApplicationCommandOptionType.Integer} or
    * {@link ApplicationCommandOptionType.Number} option
@@ -653,6 +653,6 @@ class ApplicationCommand extends Base {
 exports.ApplicationCommand = ApplicationCommand;
 
 /**
- * @external ApplicationCommandOptionAllowedChannelTypes
- * @see {@link https://discord.js.org/docs/packages/builders/stable/ApplicationCommandOptionAllowedChannelTypes:TypeAlias}
+ * @external ApplicationCommandOptionAllowedChannelType
+ * @see {@link https://discord.js.org/docs/packages/builders/stable/ApplicationCommandOptionAllowedChannelType:TypeAlias}
  */

packages/discord.js/typings/index.d.ts

@@ -2,7 +2,7 @@ import { Buffer } from 'node:buffer';
 import { ChildProcess } from 'node:child_process';
 import { Stream } from 'node:stream';
 import { MessagePort, Worker } from 'node:worker_threads';
-import { ApplicationCommandOptionAllowedChannelTypes, MessageActionRowComponentBuilder } from '@discordjs/builders';
+import { ApplicationCommandOptionAllowedChannelType, MessageActionRowComponentBuilder } from '@discordjs/builders';
 import { Collection, ReadonlyCollection } from '@discordjs/collection';
 import { BaseImageURLOptions, ImageURLOptions, RawFile, REST, RESTOptions, EmojiURLOptions } from '@discordjs/rest';
 import { Awaitable, JSONEncodable } from '@discordjs/util';
@@ -4823,13 +4823,13 @@ export type ApplicationCommandData =
   | UserApplicationCommandData;
 
 export interface ApplicationCommandChannelOptionData extends BaseApplicationCommandOptionsData {
-  channelTypes?: readonly ApplicationCommandOptionAllowedChannelTypes[];
-  channel_types?: readonly ApplicationCommandOptionAllowedChannelTypes[];
+  channelTypes?: readonly ApplicationCommandOptionAllowedChannelType[];
+  channel_types?: readonly ApplicationCommandOptionAllowedChannelType[];
   type: CommandOptionChannelResolvableType;
 }
 
 export interface ApplicationCommandChannelOption extends BaseApplicationCommandOptionsData {
-  channelTypes?: readonly ApplicationCommandOptionAllowedChannelTypes[];
+  channelTypes?: readonly ApplicationCommandOptionAllowedChannelType[];
   type: ApplicationCommandOptionType.Channel;
 }
 

pnpm-lock.yaml

@@ -759,11 +759,8 @@ importers:
         specifier: ^2.8.1
         version: 2.8.1
       zod:
-        specifier: ^3.24.2
-        version: 3.24.3
-      zod-validation-error:
-        specifier: ^3.4.0
-        version: 3.4.0(zod@3.24.3)
+        specifier: ^3.25.69
+        version: 3.25.69
     devDependencies:
       '@discordjs/api-extractor':
         specifier: workspace:^
@@ -13998,24 +13995,18 @@ packages:
   zlib-sync@0.1.10:
     resolution: {integrity: sha512-t7/pYg5tLBznL1RuhmbAt8rNp5tbhr+TSrJFnMkRtrGIaPJZ6Dc0uR4u3OoQI2d6cGlVI62E3Gy6gwkxyIqr/w==}
 
-  zod-validation-error@3.4.0:
-    resolution: {integrity: sha512-ZOPR9SVY6Pb2qqO5XHt+MkkTRxGXb4EVtnjc9JpXUOtUB1T9Ru7mZOT361AN3MsetVe7R0a1KZshJDZdgp9miQ==}
-    engines: {node: '>=18.0.0'}
-    peerDependencies:
-      zod: ^3.18.0
-
   zod-validation-error@3.4.1:
     resolution: {integrity: sha512-1KP64yqDPQ3rupxNv7oXhf7KdhHHgaqbKuspVoiN93TT0xrBjql+Svjkdjq/Qh/7GSMmgQs3AfvBT0heE35thw==}
     engines: {node: '>=18.0.0'}
     peerDependencies:
       zod: ^3.24.4
 
-  zod@3.24.3:
-    resolution: {integrity: sha512-HhY1oqzWCQWuUqvBFnsyrtZRhyPeR7SUGv+C4+MsisMuVfSPx8HpwWqH8tRahSlt6M3PiFAcoeFhZAqIXTxoSg==}
-
   zod@3.25.39:
     resolution: {integrity: sha512-yrva2T2x4R+FMFTPBVD/YPS7ct8njqjnV93zNx/MlwqLAxcnxwRGbXWyWF63/nErl3rdRd8KARObon7BiWzabQ==}
 
+  zod@3.25.69:
+    resolution: {integrity: sha512-cjUx+boz8dfYGssYKLGNTF5VUF6NETpcZCDTN3knhUUXQTAAvErzRhV3pgeCZm2YsL4HOwtEHPonlsshPu2I0A==}
+
   zwitch@2.0.4:
     resolution: {integrity: sha512-bXE4cR/kVZhKZX/RjPEflHaKVhUVl85noU3v6b8apfQEc1x4A+zBxjZ4lN8LqGd6WZ3dl98pY4o717VFmoPp+A==}
 
@@ -29506,16 +29497,12 @@ snapshots:
     dependencies:
       nan: 2.22.0
 
-  zod-validation-error@3.4.0(zod@3.24.3):
-    dependencies:
-      zod: 3.24.3
-
   zod-validation-error@3.4.1(zod@3.25.39):
     dependencies:
       zod: 3.25.39
 
-  zod@3.24.3: {}
-
   zod@3.25.39: {}
 
+  zod@3.25.69: {}
+
   zwitch@2.0.4: {}