Use injection script with ENV variables instead manual update

scripts/README.md

@@ -36,3 +36,17 @@ Customize Intercom Messenger by adding logo and brand colors
 3. Add API key in Github > Secrets and Variables > Actions as `INTERCOM_APP_ID`
 4. In your deploy scripts add `pnpm run build:inject-intercom` after your pnpm build / vite build command.
 5. If you are using with the Amplitude deployment scripts, your build command may look like the following: `pnpm build && pnpm run build:inject-amplitude && pnpm run build:inject-intercom`
+
+### Smartbanner
+Smartbanner to show download links to iOS and/or Android native apps on mobile devices.
+
+<b>To use with dydxprotocol/v4-web:</b>
+1. iOS app App Store link or Android app Google Play link.
+2. Add configurations in Github > Secrets and Variables > Actions as 
+    `SMARTBANNER_APP_NAME` for app name
+    `SMARTBANNER_ORG_NAME` for organization name
+    `SMARTBANNER_ICON_URL` for icon image
+    `SMARTBANNER_APPSTORE_URL` for iOS App Store link
+    `SMARTBANNER_GOOGLEPLAY_URL` for Android Google Play link
+3. In your deploy scripts add `pnpm run build:inject-smartbanner` after your pnpm build / vite build command.
+4. If you are using with the Amplitude deployment scripts, your build command may look like the following: `pnpm build && pnpm run build:inject-smartbanner`

scripts/inject-smartbanner.js

@@ -0,0 +1,59 @@
+/* eslint-disable no-console */
+import fs from 'fs/promises';
+import path from 'path';
+import { fileURLToPath } from 'url';
+
+const SMARTBANNER_APP_NAME = process.env.SMARTBANNER_APP_NAME;
+const SMARTBANNER_ORG_NAME = process.env.SMARTBANNER_ORG_NAME;
+const SMARTBANNER_ICON_URL = process.env.SMARTBANNER_ICON_URL;
+const SMARTBANNER_APPSTORE_URL = process.env.SMARTBANNER_APPSTORE_URL;
+const SMARTBANNER_GOOGLEPLAY_URL = process.env.SMARTBANNER_GOOGLEPLAY_URL;
+
+const currentPath = fileURLToPath(import.meta.url);
+const projectRoot = path.dirname(currentPath);
+const htmlFilePath = path.resolve(projectRoot, '../dist/index.html');
+const smartbannerFilePath = path.resolve(projectRoot, '../dist/smartbanner.html');
+
+if (
+  SMARTBANNER_APP_NAME &&
+  SMARTBANNER_ORG_NAME &&
+  SMARTBANNER_ICON_URL &&
+  (SMARTBANNER_APPSTORE_URL || SMARTBANNER_GOOGLEPLAY_URL)
+) {
+  try {
+    const html = await fs.readFile(htmlFilePath, 'utf-8');
+    let smartbanner = await fs.readFile(smartbannerFilePath, 'utf-8');
+    smartbanner = smartbanner
+      .replace('SMARTBANNER_APP_NAME', SMARTBANNER_APP_NAME)
+      .replace('SMARTBANNER_ORG_NAME', SMARTBANNER_ORG_NAME)
+      .replace('SMARTBANNER_ICON_URL', SMARTBANNER_ICON_URL);
+
+    /* hardcoded injection depending on whether the app is available on App Store and/or Google Play */
+
+    if (SMARTBANNER_APPSTORE_URL) {
+      smartbanner += `\n<meta name="smartbanner:button-url-apple" content="${SMARTBANNER_APPSTORE_URL}">`;
+    }
+    if (SMARTBANNER_GOOGLEPLAY_URL) {
+      smartbanner += `\n<meta name="smartbanner:button-url-google" content="${SMARTBANNER_GOOGLEPLAY_URL}">`;
+    }
+    if (SMARTBANNER_APPSTORE_URL) {
+      if (SMARTBANNER_GOOGLEPLAY_URL) {
+        smartbanner += `\n<meta name="smartbanner:enabled-platforms" content="android,ios">`;
+      } else {
+        smartbanner += `\n<meta name="smartbanner:enabled-platforms" content="ios">`;
+      }
+    } else {
+      if (SMARTBANNER_GOOGLEPLAY_URL) {
+        smartbanner += `\n<meta name="smartbanner:enabled-platforms" content="android">`;
+      }
+    }
+
+    const injectedHtml = html.replace('</head>', `${smartbanner}\n</head>`);
+
+    await fs.writeFile(htmlFilePath, injectedHtml, 'utf-8');
+
+    console.log('Smartbanner scripts successfully injected.');
+  } catch (err) {
+    console.error('Error injecting Smartbanner scripts:', err);
+  }
+}