feat(CDN): add role icon endpoint (#64)

Co-authored-by: Vlad Frangu <kingdgrizzle@gmail.com>

packages/rest/__tests__/CDN.test.ts

@@ -64,6 +64,10 @@ test('guildIcon dynamic-not-animated', () => {
 	expect(cdn.icon(id, hash, { dynamic: true })).toBe(`${base}/icons/${id}/${hash}.png`);
 });
 
+test('role icon default', () => {
+	expect(cdn.roleIcon(id, hash)).toBe(`${base}/role-icons/${id}/${hash}.png`);
+});
+
 test('splash default', () => {
 	expect(cdn.splash(id, hash)).toBe(`${base}/splashes/${id}/${hash}.png`);
 });

packages/rest/src/lib/CDN.ts

@@ -107,6 +107,16 @@ export class CDN {
 		return this.makeURL(`/icons/${guildId}/${iconHash}`, options);
 	}
 
+	/**
+	 * Generates a URL for the icon of a role
+	 * @param roleId The id of the role that has the icon
+	 * @param roleIconHash The hash provided by Discord for this role icon
+	 * @param options Optional options for the role icon
+	 */
+	public roleIcon(roleId: string, roleIconHash: string, options?: ImageURLOptions): string {
+		return this.makeURL(`/role-icons/${roleId}/${roleIconHash}`, options);
+	}
+
 	/**
 	 * Generates a guild invite splash URL for a guild's invite splash.
 	 * @param guildId The guild id that has the invite splash