⚡ Add credentials file

packages/nodes-base/credentials/DiscordOAuth2Api.credentials.ts

@@ -0,0 +1,56 @@
+import {
+	ICredentialType,
+	NodePropertyTypes,
+} from 'n8n-workflow';
+
+const scopes = [
+	'bot',
+	'connections',
+	'guilds',
+	'identify',
+	'webhook.incoming',
+];
+
+export class DiscordOAuth2Api implements ICredentialType {
+	name = 'discordOAuth2Api';
+	extends = [
+		'oAuth2Api',
+	];
+	displayName = 'Discord OAuth2 API';
+	documentationUrl = 'discord';
+	properties = [
+		{
+			displayName: 'Authorization URL',
+			name: 'authUrl',
+			type: 'hidden' as NodePropertyTypes,
+			default: 'https://discord.com/api/oauth2/authorize',
+			required: true,
+		},
+		{
+			displayName: 'Access Token URL',
+			name: 'accessTokenUrl',
+			type: 'hidden' as NodePropertyTypes,
+			default: 'https://discord.com/api/oauth2/token',
+			required: true,
+		},
+		{
+			displayName: 'Scope',
+			name: 'scope',
+			type: 'hidden' as NodePropertyTypes,
+			default: scopes.join(' '),
+		},
+		// https://discordapi.com/permissions.html#104448
+		{
+			displayName: 'Auth URI Query Parameters',
+			name: 'authQueryParameters',
+			type: 'hidden' as NodePropertyTypes,
+			default: 'permissions=104448',
+		},
+		{
+			displayName: 'Authentication',
+			name: 'authentication',
+			type: 'hidden' as NodePropertyTypes,
+			default: 'header',
+		},
+	];
+}