feat: custom css (#3155)

packages/core/src/__mocks__/sign-in-experience.ts

@@ -91,4 +91,5 @@ export const mockSignInExperience: SignInExperience = {
   },
   socialSignInConnectorTargets: ['github', 'facebook', 'wechat'],
   signInMode: SignInMode.SignInAndRegister,
+  customCss: null,
 };

packages/core/src/queries/sign-in-experience.test.ts

@@ -35,7 +35,7 @@ describe('sign-in-experience query', () => {
   it('findDefaultSignInExperience', async () => {
     /* eslint-disable sql/no-unsafe-query */
     const expectSql = `
-      select "tenant_id", "id", "color", "branding", "language_info", "terms_of_use_url", "sign_in", "sign_up", "social_sign_in_connector_targets", "sign_in_mode"
+      select "tenant_id", "id", "color", "branding", "language_info", "terms_of_use_url", "sign_in", "sign_up", "social_sign_in_connector_targets", "sign_in_mode", "custom_css"
       from "sign_in_experiences"
       where "id"=$1
     `;

packages/schemas/alterations/next-1676874936-support-custom-css.ts

@@ -0,0 +1,20 @@
+import { sql } from 'slonik';
+
+import type { AlterationScript } from '../lib/types/alteration.js';
+
+const alteration: AlterationScript = {
+  up: async (pool) => {
+    await pool.query(sql`
+      alter table sign_in_experiences
+        add column if not exists custom_css text;
+    `);
+  },
+  down: async (pool) => {
+    await pool.query(sql`
+      alter table sign_in_experiences
+        drop column custom_css;
+    `);
+  },
+};
+
+export default alteration;

packages/schemas/src/seeds/sign-in-experience.ts

@@ -1,55 +1,55 @@
 import { generateDarkColor } from '@logto/core-kit';
 
-import type { CreateSignInExperience } from '../db-entries/index.js';
+import type { SignInExperience } from '../db-entries/index.js';
 import { SignInMode } from '../db-entries/index.js';
 import { BrandingStyle, SignInIdentifier } from '../foundations/index.js';
 import { defaultTenantId } from './tenant.js';
 
 const defaultPrimaryColor = '#6139F6';
 
-export const createDefaultSignInExperience = (
-  forTenantId: string
-): Readonly<CreateSignInExperience> => ({
-  tenantId: forTenantId,
-  id: 'default',
-  color: {
-    primaryColor: defaultPrimaryColor,
-    isDarkModeEnabled: false,
-    darkPrimaryColor: generateDarkColor(defaultPrimaryColor),
-  },
-  branding: {
-    style: BrandingStyle.Logo,
-    logoUrl: 'https://logto.io/logo.svg',
-    darkLogoUrl: 'https://logto.io/logo-dark.svg',
-  },
-  languageInfo: {
-    autoDetect: true,
-    fallbackLanguage: 'en',
-  },
-  termsOfUseUrl: null,
-  signUp: {
-    identifiers: [SignInIdentifier.Username],
-    password: true,
-    verify: false,
-  },
-  signIn: {
-    methods: [
-      {
-        identifier: SignInIdentifier.Username,
-        password: true,
-        verificationCode: false,
-        isPasswordPrimary: true,
-      },
-    ],
-  },
-  socialSignInConnectorTargets: [],
-  signInMode: SignInMode.SignInAndRegister,
-});
+export const createDefaultSignInExperience = (forTenantId: string): Readonly<SignInExperience> =>
+  Object.freeze({
+    tenantId: forTenantId,
+    id: 'default',
+    color: {
+      primaryColor: defaultPrimaryColor,
+      isDarkModeEnabled: false,
+      darkPrimaryColor: generateDarkColor(defaultPrimaryColor),
+    },
+    branding: {
+      style: BrandingStyle.Logo,
+      logoUrl: 'https://logto.io/logo.svg',
+      darkLogoUrl: 'https://logto.io/logo-dark.svg',
+    },
+    languageInfo: {
+      autoDetect: true,
+      fallbackLanguage: 'en' as const,
+    },
+    termsOfUseUrl: null,
+    signUp: {
+      identifiers: [SignInIdentifier.Username],
+      password: true,
+      verify: false,
+    },
+    signIn: {
+      methods: [
+        {
+          identifier: SignInIdentifier.Username,
+          password: true,
+          verificationCode: false,
+          isPasswordPrimary: true,
+        },
+      ],
+    },
+    socialSignInConnectorTargets: [],
+    signInMode: SignInMode.SignInAndRegister,
+    customCss: null,
+  });
 
 /** @deprecated Use `createDefaultSignInExperience()` instead. */
 export const defaultSignInExperience = createDefaultSignInExperience(defaultTenantId);
 
-export const adminConsoleSignInExperience: CreateSignInExperience = {
+export const adminConsoleSignInExperience: Readonly<SignInExperience> = Object.freeze({
   ...defaultSignInExperience,
   color: {
     ...defaultSignInExperience.color,
@@ -61,4 +61,4 @@ export const adminConsoleSignInExperience: CreateSignInExperience = {
     darkLogoUrl: 'https://logto.io/logo-dark.svg',
     slogan: 'admin_console.welcome.title', // TODO: @simeng should we programmatically support an i18n key for slogan?
   },
-};
+});

packages/schemas/tables/sign_in_experiences.sql

@@ -12,5 +12,6 @@ create table sign_in_experiences (
   sign_up jsonb /* @use SignUp */ not null,
   social_sign_in_connector_targets jsonb /* @use ConnectorTargets */ not null default '[]'::jsonb,
   sign_in_mode sign_in_mode not null default 'SignInAndRegister',
+  custom_css text,
   primary key (tenant_id, id)
 );

packages/ui/src/App.tsx

@@ -1,5 +1,5 @@
 import { SignInMode } from '@logto/schemas';
-import { useEffect } from 'react';
+import { useEffect, useRef } from 'react';
 import { Route, Routes, BrowserRouter, Navigate } from 'react-router-dom';
 
 import AppBoundary from './containers/AppBoundary';
@@ -29,8 +29,13 @@ import './scss/normalized.scss';
 const App = () => {
   const { context, Provider } = usePageContext();
   const { experienceSettings, setLoading, setExperienceSettings } = context;
+  const customCssRef = useRef(document.createElement('style'));
   const [isPreview] = usePreview(context);
 
+  useEffect(() => {
+    document.head.append(customCssRef.current);
+  }, []);
+
   useEffect(() => {
     if (isPreview) {
       return;
@@ -38,6 +43,8 @@ const App = () => {
 
     (async () => {
       const settings = await getSignInExperienceSettings();
+      // eslint-disable-next-line @silverhand/fp/no-mutation
+      customCssRef.current.textContent = settings.customCss;
 
       // Note: i18n must be initialized ahead of page render
       await initI18n(settings.languageInfo);

packages/ui/src/__mocks__/logto.tsx

@@ -209,6 +209,7 @@ export const mockSignInExperience: SignInExperience = {
   },
   socialSignInConnectorTargets: ['BE8QXN0VsrOH7xdWFDJZ9', 'lcXT4o2GSjbV9kg2shZC7'],
   signInMode: SignInMode.SignInAndRegister,
+  customCss: null,
 };
 
 export const mockSignInExperienceSettings: SignInExperienceResponse = {
@@ -230,6 +231,7 @@ export const mockSignInExperienceSettings: SignInExperienceResponse = {
     email: true,
     phone: true,
   },
+  customCss: null,
 };
 
 const usernameSettings = {