Repo created

_scripts/_setAppSplashTheme.mjs

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+
+import { readFile, readdir, writeFile } from 'fs/promises'
+import { join } from 'path'
+import { fileURLToPath } from 'url'
+
+
+// sets the splashscreen & icon to one of three predefined themes (this makes it easier to tell, at a glance, which one is open)
+// - release (the default production look)
+// - nightly
+// OR
+// - development
+
+const COLOURS = {
+  RELEASE: {
+    primary: '#f04242',
+    secondary: '#14a4df',
+    back: '#E4E4E4',
+    backDark: '#212121'
+  },
+  // catppucin mocha theme colours
+  NIGHTLY: {
+    primary: '#cdd6f4',
+    secondary: '#cdd6f4',
+    back: '#1e1e2e',
+    backDark: '#1e1e2e'
+  },
+  // inverted release colours
+  DEVELOPMENT: {
+    primary: '#E4E4E4',
+    secondary: '#E4E4E4',
+    back: '#f04242',
+    backDark: '#f04242'
+  },
+  // blue from the logo as the background colour
+  RC: {
+    primary: '#E4E4E4',
+    secondary: '#E4E4E4',
+    back: '#14a4df',
+    backDark: '#14a4df'
+  },
+  // solarised dark
+  FEATURE_BRANCH: {
+    primary: '#E4E4E4',
+    secondary: '#E4E4E4',
+    back: '#204b56',
+    backDark: '#204b56'
+  }
+}
+let colour = 'RELEASE'
+for (const key in COLOURS) {
+  if (process.argv.indexOf(`--${key.toLowerCase().replaceAll('_', '-')}`) !== -1) {
+    colour = key
+  }
+}
+
+const currentTheme = COLOURS[colour]
+
+const scriptDir = fileURLToPath(import.meta.url)
+const drawablePath = join(scriptDir, '../../android/app/src/main/res/drawable/')
+
+const foreground = join(drawablePath, 'ic_launcher_foreground.xml')
+let foregroundXML = (await readFile(foreground)).toString()
+foregroundXML = foregroundXML.replace(/<path android:fillColor="[^"]*?" android:strokeWidth="0\.784519" android:pathData="M 27/g, `<path android:fillColor="${currentTheme.primary}" android:strokeWidth="0.784519" android:pathData="M 27`)
+foregroundXML = foregroundXML.replace(/<path android:fillColor="[^"]*?" android:strokeWidth="0\.784519" android:pathData="M 18/g, `<path android:fillColor="${currentTheme.primary}" android:strokeWidth="0.784519" android:pathData="M 18`)
+foregroundXML = foregroundXML.replace(/<path android:fillColor="[^"]*?" android:strokeWidth="0\.784519" android:pathData="M 28/g, `<path android:fillColor="${currentTheme.secondary}" android:strokeWidth="0.784519" android:pathData="M 28`)
+await writeFile(foreground, foregroundXML)
+
+const background = join(drawablePath, 'ic_launcher_background.xml')
+let backgroundXML = (await readFile(background)).toString()
+backgroundXML = backgroundXML.replace(/android:fillColor="[^"]*?" \/>/g, `android:fillColor="${currentTheme.back}" />`)
+await writeFile(background, backgroundXML)
+
+/**
+ * @warning name is passed into regex unsantised; should never be given user input
+ * @param {string} xml
+ * @param {string} name
+ * @param {string} value
+ */
+function replaceItem(xml, name, value) {
+  return xml.replace(new RegExp(`<item name="android:${name}">[^"]*?<\/item>`), `<item name="android:${name}">${value}</item>`)
+}
+
+async function constructThemePath(isDark = false, version = 0) {
+  const resDirectory = join(scriptDir, '..', '..', 'android/app/src/main/res/')
+  const files = await readdir(resDirectory)
+  const versionsListed = files
+                        .filter(file => file.startsWith(`values${isDark ? '-night-' : '-'}v`))
+                        .map(file => parseInt(file.split('-v')[1]))
+  if (versionsListed.indexOf(version) !== -1) {
+    return join(resDirectory, `values${isDark ? '-night-' : '-'}v${version}`, 'themes.xml')
+  } else {
+    return join(resDirectory, 'values', 'themes.xml')
+  }
+}
+
+async function setValuesForThemeFile(values, isDark = false, version = 0) {
+  const themePath = await constructThemePath(isDark, version)
+  let themeXml = (await readFile(themePath)).toString()
+  for (const key in values) {
+    themeXml = replaceItem(themeXml, key, values[key])
+  }
+  await writeFile(themePath, themeXml)
+}
+
+
+await setValuesForThemeFile({
+  windowSplashScreenBackground: currentTheme.back,
+  windowSplashScreenIconBackgroundColor: currentTheme.back
+}, false, 31)
+
+await setValuesForThemeFile({
+  windowSplashScreenBackground: currentTheme.backDark,
+  windowSplashScreenIconBackgroundColor: currentTheme.backDark
+}, true, 31)
+
+await setValuesForThemeFile({
+  windowSplashScreenBackground: currentTheme.back,
+  windowSplashScreenIconBackgroundColor: currentTheme.back
+}, false, 33)
+
+await setValuesForThemeFile({
+  windowSplashScreenBackground: currentTheme.backDark,
+  windowSplashScreenIconBackgroundColor: currentTheme.backDark
+}, true, 33)