feat: File upload support

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

@@ -0,0 +1,59 @@
+import type { APIFileUploadComponent } from 'discord-api-types/v10';
+import { ComponentType } from 'discord-api-types/v10';
+import { describe, test, expect } from 'vitest';
+import { FileUploadBuilder } from '../../src/components/fileUpload/FileUpload.js';
+
+const fileUploadComponent = () => new FileUploadBuilder();
+
+describe('File Upload Components', () => {
+	describe('Assertion Tests', () => {
+		test('GIVEN valid fields THEN builder does not throw', () => {
+			expect(() => {
+				fileUploadComponent().setCustomId('foobar').toJSON();
+			}).not.toThrowError();
+
+			expect(() => {
+				fileUploadComponent().setCustomId('foobar').setMinValues(2).setMaxValues(9).toJSON();
+			}).not.toThrowError();
+		});
+	});
+
+	test('GIVEN invalid fields THEN builder throws', () => {
+		expect(() => fileUploadComponent().toJSON()).toThrowError();
+
+		expect(() => fileUploadComponent().setCustomId('test').setId(4.4).toJSON()).toThrowError();
+
+		expect(() => {
+			fileUploadComponent().setCustomId('a'.repeat(500)).toJSON();
+		}).toThrowError();
+
+		expect(() => {
+			fileUploadComponent().setCustomId('a').setMaxValues(55).toJSON();
+		}).toThrowError();
+
+		expect(() => {
+			fileUploadComponent().setCustomId('a').setMinValues(-1).toJSON();
+		}).toThrowError();
+	});
+
+	test('GIVEN valid input THEN valid JSON outputs are given', () => {
+		const fileUploadData = {
+			type: ComponentType.FileUpload,
+			custom_id: 'custom id',
+			min_values: 5,
+			max_values: 6,
+			required: false,
+		} satisfies APIFileUploadComponent;
+
+		expect(new FileUploadBuilder(fileUploadData).toJSON()).toEqual(fileUploadData);
+
+		expect(
+			fileUploadComponent()
+				.setCustomId(fileUploadData.custom_id)
+				.setMaxValues(fileUploadData.max_values)
+				.setMinValues(fileUploadData.min_values)
+				.setRequired(fileUploadData.required)
+				.toJSON(),
+		).toEqual(fileUploadData);
+	});
+});

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

@@ -1,4 +1,9 @@
-import type { APILabelComponent, APIStringSelectComponent, APITextInputComponent } from 'discord-api-types/v10';
+import type {
+	APIFileUploadComponent,
+	APILabelComponent,
+	APIStringSelectComponent,
+	APITextInputComponent,
+} from 'discord-api-types/v10';
 import { ComponentType, TextInputStyle } from 'discord-api-types/v10';
 import { describe, test, expect } from 'vitest';
 import { LabelBuilder } from '../../src/index.js';
@@ -27,6 +32,14 @@ describe('Label components', () => {
 					)
 					.toJSON(),
 			).not.toThrow();
+
+			expect(() =>
+				new LabelBuilder()
+					.setLabel('label')
+					.setId(5)
+					.setFileUploadComponent((fileUpload) => fileUpload.setCustomId('test'))
+					.toJSON(),
+			).not.toThrow();
 		});
 
 		test('GIVEN invalid fields THEN build does throw', () => {
@@ -40,6 +53,13 @@ describe('Label components', () => {
 					.setStringSelectMenuComponent((stringSelectMenu) => stringSelectMenu)
 					.toJSON(),
 			).toThrow();
+
+			expect(() =>
+				new LabelBuilder()
+					.setLabel('l'.repeat(1_000))
+					.setFileUploadComponent((fileUpload) => fileUpload)
+					.toJSON(),
+			).toThrow();
 		});
 
 		test('GIVEN valid input THEN valid JSON outputs are given', () => {
@@ -73,6 +93,19 @@ describe('Label components', () => {
 				id: 5,
 			} satisfies APILabelComponent;
 
+			const labelWithFileUploadData = {
+				type: ComponentType.Label,
+				component: {
+					type: ComponentType.FileUpload,
+					custom_id: 'custom_id',
+					min_values: 9,
+					required: true,
+				} satisfies APIFileUploadComponent,
+				label: 'label',
+				description: 'description',
+				id: 5,
+			} satisfies APILabelComponent;
+
 			expect(new LabelBuilder(labelWithTextInputData).toJSON()).toEqual(labelWithTextInputData);
 			expect(new LabelBuilder(labelWithStringSelectData).toJSON()).toEqual(labelWithStringSelectData);
 
@@ -104,6 +137,15 @@ describe('Label components', () => {
 					.setId(5)
 					.toJSON(),
 			).toEqual(labelWithStringSelectData);
+
+			expect(
+				new LabelBuilder()
+					.setFileUploadComponent((fileUpload) => fileUpload.setCustomId('custom_id').setMinValues(9).setRequired())
+					.setLabel('label')
+					.setDescription('description')
+					.setId(5)
+					.toJSON(),
+			).toEqual(labelWithFileUploadData);
 		});
 	});
 });

packages/builders/src/components/Components.ts

@@ -17,6 +17,7 @@ import {
 } from './button/CustomIdButton.js';
 import { LinkButtonBuilder } from './button/LinkButton.js';
 import { PremiumButtonBuilder } from './button/PremiumButton.js';
+import { FileUploadBuilder } from './fileUpload/FileUpload.js';
 import { LabelBuilder } from './label/Label.js';
 import { ChannelSelectMenuBuilder } from './selectMenu/ChannelSelectMenu.js';
 import { MentionableSelectMenuBuilder } from './selectMenu/MentionableSelectMenu.js';
@@ -55,7 +56,11 @@ export type MessageComponentBuilder =
 /**
  * The builders that may be used for modals.
  */
-export type ModalComponentBuilder = ActionRowBuilder | LabelBuilder | ModalActionRowComponentBuilder;
+export type ModalComponentBuilder =
+	| ActionRowBuilder
+	| FileUploadBuilder
+	| LabelBuilder
+	| ModalActionRowComponentBuilder;
 
 /**
  * Any button builder
@@ -92,7 +97,7 @@ export type AnyActionRowComponentBuilder = MessageActionRowComponentBuilder | Mo
 /**
  * Any modal component builder.
  */
-export type AnyModalComponentBuilder = LabelBuilder | TextDisplayBuilder;
+export type AnyModalComponentBuilder = FileUploadBuilder | LabelBuilder | TextDisplayBuilder;
 
 /**
  * Components here are mapped to their respective builder.
@@ -162,6 +167,10 @@ export interface MappedComponentTypes {
 	 * The label component type is associated with a {@link LabelBuilder}.
 	 */
 	[ComponentType.Label]: LabelBuilder;
+	/**
+	 * The file upload component type is associated with a {@link FileUploadBuilder}.
+	 */
+	[ComponentType.FileUpload]: FileUploadBuilder;
 }
 
 /**
@@ -192,8 +201,6 @@ export function createComponentBuilder(
 		return data;
 	}
 
-	// should be removed in https://github.com/discordjs/discord.js/pull/11108
-	// eslint-disable-next-line @typescript-eslint/switch-exhaustiveness-check
 	switch (data.type) {
 		case ComponentType.ActionRow:
 			return new ActionRowBuilder(data);
@@ -227,9 +234,10 @@ export function createComponentBuilder(
 			return new ContainerBuilder(data);
 		case ComponentType.Label:
 			return new LabelBuilder(data);
+		case ComponentType.FileUpload:
+			return new FileUploadBuilder(data);
 		default:
-			// should be uncommented in https://github.com/discordjs/discord.js/pull/11108
-			/* // @ts-expect-error This case can still occur if we get a newer unsupported component type */
+			// @ts-expect-error This case can still occur if we get a newer unsupported component type
 			throw new Error(`Cannot properly serialize component type: ${data.type}`);
 	}
 }

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

@@ -0,0 +1,12 @@
+import { ComponentType } from 'discord-api-types/v10';
+import { z } from 'zod';
+import { customIdPredicate } from '../../Assertions';
+
+export const fileUploadPredicate = z.object({
+	type: z.literal(ComponentType.FileUpload),
+	id: z.int().min(0).optional(),
+	custom_id: customIdPredicate,
+	min_values: z.int().min(0).max(10).optional(),
+	max_values: z.int().min(1).max(10).optional(),
+	required: z.boolean().optional(),
+});

packages/builders/src/components/fileUpload/FileUpload.ts

@@ -0,0 +1,109 @@
+import type { APIFileUploadComponent } from 'discord-api-types/v10';
+import { ComponentType } from 'discord-api-types/v10';
+import { validate } from '../../util/validation.js';
+import { ComponentBuilder } from '../Component.js';
+import { fileUploadPredicate } from './Assertions.js';
+
+/**
+ * A builder that creates API-compatible JSON data for file uploads.
+ */
+export class FileUploadBuilder extends ComponentBuilder<APIFileUploadComponent> {
+	/**
+	 * @internal
+	 */
+	protected readonly data: Partial<APIFileUploadComponent>;
+
+	/**
+	 * Creates a new file upload.
+	 *
+	 * @param data - The API data to create this file upload with
+	 * @example
+	 * Creating a file upload from an API data object:
+	 * ```ts
+	 * const fileUpload = new FileUploadBuilder({
+	 * 	custom_id: "file_upload",
+	 *  min_values: 2,
+	 *  max_values: 5,
+	 * });
+	 * ```
+	 * @example
+	 * Creating a file upload using setters and API data:
+	 * ```ts
+	 * const fileUpload = new FileUploadBuilder({
+	 * 	custom_id: "file_upload",
+	 *  min_values: 2,
+	 *  max_values: 5,
+	 * }).setRequired();
+	 * ```
+	 */
+	public constructor(data: Partial<APIFileUploadComponent> = {}) {
+		super();
+		this.data = { ...structuredClone(data), type: ComponentType.FileUpload };
+	}
+
+	/**
+	 * Sets the custom id for this file upload.
+	 *
+	 * @param customId - The custom id to use
+	 */
+	public setCustomId(customId: string) {
+		this.data.custom_id = customId;
+		return this;
+	}
+
+	/**
+	 * Sets the minimum number of file uploads required.
+	 *
+	 * @param minValues - The minimum values that must be uploaded
+	 */
+	public setMinValues(minValues: number) {
+		this.data.min_values = minValues;
+		return this;
+	}
+
+	/**
+	 * Clears the minimum values.
+	 */
+	public clearMinValues() {
+		this.data.min_values = undefined;
+		return this;
+	}
+
+	/**
+	 * Sets the maximum number of file uploads required.
+	 *
+	 * @param maxValues - The maximum values that must be uploaded
+	 */
+	public setMaxValues(maxValues: number) {
+		this.data.max_values = maxValues;
+		return this;
+	}
+
+	/**
+	 * Clears the maximum values.
+	 */
+	public clearMaxValues() {
+		this.data.max_values = undefined;
+		return this;
+	}
+
+	/**
+	 * Sets whether this file upload is required.
+	 *
+	 * @param required - Whether this file upload is required
+	 */
+	public setRequired(required = true) {
+		this.data.required = required;
+		return this;
+	}
+
+	/**
+	 * {@inheritDoc ComponentBuilder.toJSON}
+	 */
+	public toJSON(validationOverride?: boolean): APIFileUploadComponent {
+		const clone = structuredClone(this.data);
+		validate(fileUploadPredicate, clone, validationOverride);
+
+		return clone as APIFileUploadComponent;
+	}
+}

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

@@ -8,6 +8,7 @@ import {
 	selectMenuStringPredicate,
 	selectMenuUserPredicate,
 } from '../Assertions';
+import { fileUploadPredicate } from '../fileUpload/Assertions';
 import { textInputPredicate } from '../textInput/Assertions';
 
 export const labelPredicate = z.object({
@@ -22,5 +23,6 @@ export const labelPredicate = z.object({
 		selectMenuRolePredicate,
 		selectMenuMentionablePredicate,
 		selectMenuChannelPredicate,
+		fileUploadPredicate,
 	]),
 });

packages/builders/src/components/label/Label.ts

@@ -1,5 +1,6 @@
 import type {
 	APIChannelSelectComponent,
+	APIFileUploadComponent,
 	APILabelComponent,
 	APIMentionableSelectComponent,
 	APIRoleSelectComponent,
@@ -12,6 +13,7 @@ import { resolveBuilder } from '../../util/resolveBuilder.js';
 import { validate } from '../../util/validation.js';
 import { ComponentBuilder } from '../Component.js';
 import { createComponentBuilder } from '../Components.js';
+import { FileUploadBuilder } from '../fileUpload/FileUpload.js';
 import { ChannelSelectMenuBuilder } from '../selectMenu/ChannelSelectMenu.js';
 import { MentionableSelectMenuBuilder } from '../selectMenu/MentionableSelectMenu.js';
 import { RoleSelectMenuBuilder } from '../selectMenu/RoleSelectMenu.js';
@@ -23,6 +25,7 @@ import { labelPredicate } from './Assertions.js';
 export interface LabelBuilderData extends Partial<Omit<APILabelComponent, 'component'>> {
 	component?:
 		| ChannelSelectMenuBuilder
+		| FileUploadBuilder
 		| MentionableSelectMenuBuilder
 		| RoleSelectMenuBuilder
 		| StringSelectMenuBuilder
@@ -67,7 +70,6 @@ export class LabelBuilder extends ComponentBuilder<APILabelComponent> {
 
 		this.data = {
 			...structuredClone(rest),
-			// @ts-expect-error fixed in https://github.com/discordjs/discord.js/pull/11108
 			component: component ? createComponentBuilder(component) : undefined,
 			type: ComponentType.Label,
 		};
@@ -182,6 +184,18 @@ export class LabelBuilder extends ComponentBuilder<APILabelComponent> {
 		return this;
 	}
 
+	/**
+	 * Sets a file upload component to this label.
+	 *
+	 * @param input - A function that returns a component builder or an already built builder
+	 */
+	public setFileUploadComponent(
+		input: APIFileUploadComponent | FileUploadBuilder | ((builder: FileUploadBuilder) => FileUploadBuilder),
+	): this {
+		this.data.component = resolveBuilder(input, FileUploadBuilder);
+		return this;
+	}
+
 	/**
 	 * {@inheritDoc ComponentBuilder.toJSON}
 	 */

packages/builders/src/index.ts

@@ -4,6 +4,9 @@ export * from './components/button/CustomIdButton.js';
 export * from './components/button/LinkButton.js';
 export * from './components/button/PremiumButton.js';
 
+export * from './components/fileUpload/FileUpload.js';
+export * from './components/fileUpload/Assertions.js';
+
 export * from './components/label/Label.js';
 export * from './components/label/Assertions.js';