start on instance theming

bin/build-sass.js

@@ -0,0 +1,58 @@
+#!/usr/bin/env node
+
+const sass = require('node-sass')
+const chokidar = require('chokidar')
+const argv = require('yargs').argv
+const path = require('path')
+const debounce = require('lodash/debounce')
+const fs = require('fs')
+const pify = require('pify')
+const writeFile = pify(fs.writeFile.bind(fs))
+const readdir = pify(fs.readdir.bind(fs))
+const render = pify(sass.render.bind(sass))
+
+const globalScss = path.join(__dirname, '../scss/global.scss')
+const defaultThemeScss = path.join(__dirname, '../scss/themes/_default.scss')
+const globalCss = path.join(__dirname, '../assets/global.css')
+const scssDir = path.join(__dirname, '../scss')
+const themesScssDir = path.join(__dirname, '../scss/themes')
+const assetsDir = path.join(__dirname, '../assets')
+
+function doWatch() {
+  chokidar.watch(scssDir).on('change', debounce(() => {
+    compileGlobalSass()
+    compileThemesSass()
+  }, 500))
+  chokidar.watch()
+}
+
+async function compileGlobalSass() {
+  let results = await Promise.all([
+    render({file: defaultThemeScss}),
+    render({file: globalScss})
+  ])
+
+  let css = results.map(_ => _.css).join('\n')
+
+  await writeFile(globalCss, css, 'utf8')
+}
+
+async function compileThemesSass() {
+  let files = (await readdir(themesScssDir)).filter(file => !path.basename(file).startsWith('_'))
+  await Promise.all(files.map(async file => {
+    let res = await render({file: path.join(themesScssDir, file)})
+    await writeFile(path.join(assetsDir, path.basename(file).replace(/\.scss$/, '.css')), res.css, 'utf8')
+  }))
+}
+
+async function main() {
+  await Promise.all([compileGlobalSass(), compileThemesSass()])
+  if (argv.watch) {
+    doWatch()
+  }
+}
+
+Promise.resolve().then(main).catch(err => {
+  console.error(err)
+  process.exit(1)
+})

package.json

@@ -6,13 +6,14 @@
     "dev": "concurrently --kill-others \"npm run build-sass-watch\" \"node server.js\"",
     "build": "npm run build-sass && sapper build",
     "start": "cross-env NODE_ENV=production node server.js",
-    "build-sass": "node-sass scss -o assets",
-    "build-sass-watch": "npm run build-sass && node-sass -w scss -o assets",
+    "build-sass": "node ./bin/build-sass",
+    "build-sass-watch": "node ./bin/build-sass --watch",
     "cy:run": "cypress run",
     "cy:open": "cypress open",
     "test": "run-p --race dev cy:run"
   },
   "dependencies": {
+    "chokidar": "^2.0.0",
     "compression": "^1.7.1",
     "concurrently": "^3.5.1",
     "cross-env": "^5.1.3",
@@ -22,9 +23,11 @@
     "font-awesome-svg-png": "^1.2.2",
     "glob": "^7.1.2",
     "idb": "^2.0.4",
+    "lodash": "^4.17.4",
     "node-fetch": "^1.7.3",
     "node-sass": "^4.7.2",
     "npm-run-all": "^4.1.2",
+    "pify": "^3.0.0",
     "sapper": "^0.3.1",
     "serve-static": "^1.13.1",
     "style-loader": "^0.19.1",
@@ -32,7 +35,8 @@
     "svelte-loader": "^2.3.3",
     "uglifyjs-webpack-plugin": "^1.1.5",
     "url-search-params": "^0.10.0",
-    "webpack": "^3.10.0"
+    "webpack": "^3.10.0",
+    "yargs": "^10.1.1"
   },
   "engines": {
     "node": ">= 8"

routes/_static/themes.js

@@ -0,0 +1,16 @@
+const themes = [
+  {
+    name: 'default',
+    label: 'Royal (default)'
+  },
+  {
+    name: 'scarlet',
+    label: 'Scarlet'
+  },
+  {
+    name: 'hotpants',
+    label: 'Hotpants'
+  }
+]
+
+export { themes }

routes/_utils/store.js

@@ -74,6 +74,14 @@ store.compute(
     }, loggedInInstances[currentInstance])
 })
 
+store.compute(
+  'currentTheme',
+  ['currentInstance', 'instanceThemes'],
+  (currentInstance, instanceThemes) => {
+    return instanceThemes[currentInstance] || 'default'
+  }
+)
+
 if (process.browser && process.env.NODE_ENV !== 'production') {
   window.store = store // for debugging
 }

routes/settings/instances/[instanceName].html

@@ -15,20 +15,14 @@
     </div>
     <h2>Theme:</h2>
     <form class="theme-chooser">
+      {{#each themes as theme}}
         <div class="theme-group">
-        <input type="radio" name="current-theme" id="theme-default" value="default">
-        <label for="theme-default">Royal (default)</label>
-      </div>
-      <div class="theme-group">
-        <input type="radio" name="current-theme" id="theme-crimson"
-               value="crimson">
-        <label for="theme-crimson">Crimson and Clover</label>
-      </div>
-      <div class="theme-group">
-        <input type="radio" name="current-theme" id="theme-hotpants"
-               value="hotpants">
-        <label for="theme-hotpants">Hot Pants</label>
+          <input type="radio" id="choice-theme-{{theme.name}}"
+                 value="{{theme.name}}" checked="$currentTheme === theme.name"
+                 bind:group="selectedTheme" on:change="onThemeChange()">
+          <label for="choice-theme-{{theme.name}}">{{theme.label}}</label>
         </div>
+      {{/each}}
     </form>
     {{/if}}
   </SettingsLayout>
@@ -66,6 +60,7 @@
   import Layout from '../../_components/Layout.html'
   import SettingsLayout from '../_components/SettingsLayout.html'
   import { getCurrentUser } from '../../_utils/mastodon/user'
+  import { themes } from '../../_static/themes'
 
   export default {
     components: {
@@ -73,10 +68,26 @@
       SettingsLayout
     },
     store: () => store,
+    data: () => ({
+      themes: themes
+    }),
     oncreate: async function () {
       let currentInstanceData = this.store.get('currentInstanceData')
       let currentUser = await getCurrentUser(currentInstanceData.name, currentInstanceData.access_token)
-      this.set({currentUser: currentUser})
+      this.set({
+        currentUser: currentUser,
+        selectedTheme: this.store.get('currentTheme')
+      })
+    },
+    methods: {
+      onThemeChange () {
+        let newTheme = this.get('selectedTheme')
+        let instanceName = this.store.get('currentInstance')
+        let instanceThemes = this.store.get('instanceThemes')
+        instanceThemes[instanceName] = newTheme
+        this.store.set({instanceThemes: instanceThemes})
+        this.store.save()
+      }
     }
   }
 </script>

scss/themes/_base.scss

@@ -1,11 +1,4 @@
-:root {
-  $main-theme-color: royalblue; // also: crimson, forestgreen, hotpink
-  $anchor-color: $main-theme-color;
-  $main-text-color: #333;
-  $border-color: #dadada;
-  $main-bg-color: white;
-  $secondary-text-color: white;
-
+@mixin baseTheme() {
   --button-primary-bg: lighten($main-theme-color, 7%);
   --button-primary-text: $secondary-text-color;
   --button-primary-border: darken($main-theme-color, 30%);

scss/themes/_default.scss

@@ -0,0 +1,12 @@
+$main-theme-color: royalblue;
+$anchor-color: $main-theme-color;
+$main-text-color: #333;
+$border-color: #dadada;
+$main-bg-color: white;
+$secondary-text-color: white;
+
+@import "_base.scss";
+
+:root {
+  @include baseTheme()
+}

scss/themes/hotpants.scss

@@ -0,0 +1,12 @@
+$main-theme-color: hotpink;
+$anchor-color: $main-theme-color;
+$main-text-color: #333;
+$border-color: #dadada;
+$main-bg-color: white;
+$secondary-text-color: white;
+
+@import "_base.scss";
+
+body.theme-hotpants {
+  @include baseTheme()
+}

scss/themes/scarlet.scss

@@ -0,0 +1,12 @@
+$main-theme-color: crimson;
+$anchor-color: $main-theme-color;
+$main-text-color: #333;
+$border-color: #dadada;
+$main-bg-color: white;
+$secondary-text-color: white;
+
+@import "_base.scss";
+
+body.theme-crimson {
+  @include baseTheme()
+}

templates/2xx.html

@@ -5,7 +5,6 @@
 	<meta name="viewport" content="width=device-width, initial-scale=1">
 	<meta name='theme-color' content='#4169e1'>
 
-	<link rel='stylesheet' href='/theme-default.css'>
 	<link rel='stylesheet' href='/global.css'>
 	<link rel='manifest' href='/manifest.json'>
 	<link rel='icon' type='image/png' href='/favicon.png'>