Normalize Tailwind colors from SoapboxConfig

app/soapbox/actions/soapbox.js

@@ -41,7 +41,47 @@ export const makeDefaultConfig = features => {
     banner: '',
     brandColor: '', // Empty
     accentColor: '',
-    colors: ImmutableMap(),
+    colors: ImmutableMap({
+      gray: ImmutableMap({
+        50: '#f9fafb',
+        100: '#f3f4f6',
+        200: '#e5e7eb',
+        300: '#d1d5db',
+        400: '#9ca3af',
+        500: '#6b7280',
+        600: '#4b5563',
+        700: '#374151',
+        800: '#1f2937',
+        900: '#111827',
+      }),
+      success: ImmutableMap({
+        50: '#f0fdf4',
+        100: '#dcfce7',
+        200: '#bbf7d0',
+        300: '#86efac',
+        400: '#4ade80',
+        500: '#22c55e',
+        600: '#16a34a',
+        700: '#15803d',
+        800: '#166534',
+        900: '#14532d',
+      }),
+      danger: ImmutableMap({
+        50: '#fef2f2',
+        100: '#fee2e2',
+        200: '#fecaca',
+        300: '#fca5a5',
+        400: '#f87171',
+        500: '#ef4444',
+        600: '#dc2626',
+        700: '#b91c1c',
+        800: '#991b1b',
+        900: '#7f1d1d',
+      }),
+      'gradient-purple': '#b8a3f9',
+      'gradient-blue': '#9bd5ff',
+      'sea-blue': '#2feecc',
+    }),
     customCss: ImmutableList(),
     promoPanel: ImmutableMap({
       items: ImmutableList(),
@@ -73,7 +113,8 @@ export const getSoapboxConfig = createSelector([
   state => state.get('soapbox'),
   state => getFeatures(state.get('instance')),
 ], (soapbox, features) => {
-  return makeDefaultConfig(features).merge(soapbox);
+  const defaultConfig = makeDefaultConfig(features);
+  return soapbox.mergeDeepWith((o, n) => o || n, defaultConfig);
 });
 
 export function rememberSoapboxConfig(host) {

app/soapbox/containers/soapbox.js

@@ -25,7 +25,7 @@ import { createGlobals } from 'soapbox/globals';
 import messages from 'soapbox/locales/messages';
 import { makeGetAccount } from 'soapbox/selectors';
 import SoapboxPropTypes from 'soapbox/utils/soapbox_prop_types';
-import { themeColorsToCSS } from 'soapbox/utils/theme';
+import { generateThemeCss } from 'soapbox/utils/theme';
 
 import { INTRODUCTION_VERSION } from '../actions/onboarding';
 import { preload } from '../actions/preload';
@@ -84,7 +84,7 @@ const mapStateToProps = (state) => {
     dyslexicFont: settings.get('dyslexicFont'),
     demetricator: settings.get('demetricator'),
     locale: validLocale(locale) ? locale : 'en',
-    themeCss: themeColorsToCSS(soapboxConfig.get('brandColor') || '#0482d8', soapboxConfig.get('accentColor', '')),
+    themeCss: generateThemeCss(soapboxConfig),
     brandColor: soapboxConfig.get('brandColor'),
     themeMode: settings.get('themeMode'),
     singleUserMode,

app/soapbox/features/soapbox_config/components/site_preview.js

@@ -3,7 +3,7 @@ import React from 'react';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 
 import { defaultSettings } from 'soapbox/actions/settings';
-import { themeColorsToCSS } from 'soapbox/utils/theme';
+import { generateThemeCss } from 'soapbox/utils/theme';
 
 export default function SitePreview({ soapbox }) {
 
@@ -18,7 +18,7 @@ export default function SitePreview({ soapbox }) {
 
   return (
     <div className={bodyClass}>
-      <style>{`.site-preview {${themeColorsToCSS(soapbox.get('brandColor'), soapbox.get('accentColor'))}}`}</style>
+      <style>{`.site-preview {${generateThemeCss(soapbox)}}`}</style>
       <div className='app-holder'>
         <div>
           <div className='ui'>

app/soapbox/utils/__tests__/tailwind-test.js

@@ -3,10 +3,19 @@ import { Map as ImmutableMap } from 'immutable';
 import { toTailwind, fromLegacyColors, expandPalette } from '../tailwind';
 
 describe('toTailwind()', () => {
+  it('handles empty Soapbox config', () => {
+    const soapboxConfig = ImmutableMap();
+    const result = toTailwind(soapboxConfig);
+    const expected = ImmutableMap({ colors: ImmutableMap() });
+    expect(result).toEqual(expected);
+  });
+
   it('converts brandColor into a Tailwind color palette', () => {
     const soapboxConfig = ImmutableMap({ brandColor: '#0482d8' });
 
     const expected = {
+      brandColor: '#0482d8',
+      colors: {
         primary: {
           50: '#f2f9fd',
           100: '#e6f3fb',
@@ -19,6 +28,7 @@ describe('toTailwind()', () => {
           800: '#024e82',
           900: '#02406a',
         },
+      },
     };
 
     const result = toTailwind(soapboxConfig);
@@ -36,6 +46,8 @@ describe('toTailwind()', () => {
     });
 
     const expected = {
+      brandColor: '#0482d8',
+      colors: {
         primary: {
           50: '#f2f9fd',
           100: '#e6f3fb',
@@ -48,6 +60,7 @@ describe('toTailwind()', () => {
           800: '#024e82',
           900: '#02406a',
         },
+      },
     };
 
     const result = toTailwind(soapboxConfig);
@@ -72,6 +85,19 @@ describe('fromLegacyColors()', () => {
         800: '#024e82',
         900: '#02406a',
       },
+      // Accent color is generated from brandColor
+      accent: {
+        50: '#f3fbfd',
+        100: '#e7f7fa',
+        200: '#c3ecf4',
+        300: '#9fe1ed',
+        400: '#58cadf',
+        500: '#10b3d1',
+        600: '#0ea1bc',
+        700: '#0c869d',
+        800: '#0a6b7d',
+        900: '#085866',
+      },
     };
 
     const result = fromLegacyColors(soapboxConfig);

app/soapbox/utils/tailwind.ts

@@ -1,6 +1,7 @@
 import { Map as ImmutableMap, fromJS } from 'immutable';
 
 import tintify from 'soapbox/utils/colors';
+import { generateAccent } from 'soapbox/utils/theme';
 
 import type { TailwindColorPalette } from 'soapbox/types/colors';
 
@@ -19,7 +20,7 @@ export const expandPalette = (palette: TailwindColorPalette): TailwindColorPalet
     // Conditionally handle hex color and Tailwind color object
     if (typeof color === 'string' && isHex(color)) {
       result[colorName] = tintify(color);
-    } else if (typeof color === 'object') {
+    } else if (color && typeof color === 'object') {
       result[colorName] = color;
     }
 
@@ -27,18 +28,26 @@ export const expandPalette = (palette: TailwindColorPalette): TailwindColorPalet
   }, {});
 };
 
+// Generate accent color only if brandColor is present
+const maybeGenerateAccentColor = (brandColor: any): string | null => {
+  return isHex(brandColor) ? generateAccent(brandColor) : null;
+};
+
 /** Build a color object from legacy colors */
 export const fromLegacyColors = (soapboxConfig: SoapboxConfig): TailwindColorPalette => {
+  const brandColor = soapboxConfig.get('brandColor');
+  const accentColor = soapboxConfig.get('accentColor');
+
   return expandPalette({
-    primary: soapboxConfig.get('brandColor'),
-    accent: soapboxConfig.get('accentColor'),
+    primary: isHex(brandColor) ? brandColor : null,
+    accent: isHex(accentColor) ? accentColor : maybeGenerateAccentColor(brandColor),
   });
 };
 
 /** Convert Soapbox Config into Tailwind colors */
-export const toTailwind = (soapboxConfig: SoapboxConfig): SoapboxColors => {
+export const toTailwind = (soapboxConfig: SoapboxConfig): SoapboxConfig => {
   const colors: SoapboxColors = ImmutableMap(soapboxConfig.get('colors'));
   const legacyColors: SoapboxColors = ImmutableMap(fromJS(fromLegacyColors(soapboxConfig)));
 
-  return legacyColors.mergeDeep(colors);
+  return soapboxConfig.set('colors', legacyColors.mergeDeep(colors));
 };

app/soapbox/utils/theme.ts

@@ -1,6 +1,8 @@
-import tintify, { hexToRgb } from './colors';
+import { hexToRgb } from './colors';
+import { toTailwind } from './tailwind';
 
-import type { Rgb, Hsl, TailwindColorPalette } from 'soapbox/types/colors';
+import type { Map as ImmutableMap } from 'immutable';
+import type { Rgb, Hsl, TailwindColorPalette, TailwindColorObject } from 'soapbox/types/colors';
 
 // Taken from chromatism.js
 // https://github.com/graypegg/chromatism/blob/master/src/conversions/rgb.js
@@ -59,9 +61,7 @@ function hslToHex(color: Hsl): string {
 }
 
 // Generate accent color from brand color
-const generateAccent = (brandColor: string): string => {
-  console.log(brandColor);
-  console.log(hexToRgb(brandColor));
+export const generateAccent = (brandColor: string): string => {
   const { h } = rgbToHsl(hexToRgb(brandColor));
   return hslToHex({ h: h - 15, s: 86, l: 44 });
 };
@@ -81,7 +81,7 @@ const parseShades = (obj: Record<string, any>, color: string, shades: Record<str
 // Convert colors as CSS variables
 const parseColors = (colors: TailwindColorPalette): TailwindColorPalette => {
   return Object.keys(colors).reduce((obj, color) => {
-    parseShades(obj, color, colors[color]);
+    parseShades(obj, color, colors[color] as TailwindColorObject);
     return obj;
   }, {});
 };
@@ -93,27 +93,6 @@ export const colorsToCss = (colors: TailwindColorPalette): string => {
   }, '');
 };
 
-const legacyColorsToTailwind = (brandColor: string, accentColor: string): TailwindColorPalette => {
-  return {
-    primary: tintify(brandColor),
-    accent: tintify(accentColor ? accentColor : generateAccent(brandColor)),
-    gray: {
-      50: '#f9fafb',
-      100: '#f3f4f6',
-      200: '#e5e7eb',
-      300: '#d1d5db',
-      400: '#9ca3af',
-      500: '#6b7280',
-      600: '#4b5563',
-      700: '#374151',
-      800: '#1f2937',
-      900: '#111827',
-    },
-    'sea-blue': '#2feecc',
-  };
-};
-
-export const themeColorsToCSS = (brandColor: string, accentColor: string): string => {
-  const colors = legacyColorsToTailwind(brandColor, accentColor);
-  return colorsToCss(colors);
+export const generateThemeCss = (soapboxConfig: ImmutableMap<string, any>): string => {
+  return colorsToCss(toTailwind(soapboxConfig).get('colors').toJS() as TailwindColorPalette);
 };