Add iCloud Mail recipe

recipes/icloud-mail/index.js

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+module.exports = Ferdium => Ferdium;

recipes/icloud-mail/package.json

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+{
+  "id": "icloud-mail",
+  "name": "iCloud Mail",
+  "version": "1.0.0",
+  "license": "MIT",
+  "config": {
+    "serviceURL": "https://www.icloud.com/mail/"
+  }
+}

recipes/icloud-mail/webview.js

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+function _interopRequireDefault(obj) {
+  return obj && obj.__esModule ? obj : { default: obj };
+}
+
+const _path = _interopRequireDefault(require('path'));
+
+module.exports = Ferdium => {
+  const getMessages = root => {
+    // it's either localised "Inbox" name or unread count.
+    const unread = root.querySelector(
+      `.mailbox-list-pane .mailbox-list .mailbox-list-item:first-child p:last-child`,
+    );
+    if (!unread) return;
+    const count = Number.parseInt(unread.textContent) ?? 0;
+    Ferdium.setBadge(count);
+  };
+
+  const getActiveDialogTitle = root => {
+    const activeThread = root.querySelector(
+      `.thread-list .thread-list-item[aria-selected="true"]`,
+    );
+    // if there's a active thread, use partipicant names. if not, use mailbox name (inbox, junk, trash etc.)
+    if (activeThread) {
+      const sender = activeThread.querySelector(
+        '.thread-header .thread-participants',
+      );
+      Ferdium.setDialogTitle(sender.textContent);
+      return;
+    }
+
+    const activeMailbox = root.querySelector(
+      `.mailbox-list-pane .mailbox-list .mailbox-list-item[aria-selected="true"] p`,
+    );
+    Ferdium.setDialogTitle(activeMailbox.textContent);
+  };
+
+  const loopFunc = () => {
+    // they put the mail root in an iframe for some reason
+    const childDocument = document.querySelector(
+      'iframe.child-application#early-child',
+    )?.contentDocument;
+    getMessages(childDocument);
+    getActiveDialogTitle(childDocument);
+  };
+
+  Ferdium.loop(loopFunc);
+
+  Ferdium.injectCSS(_path.default.join(__dirname, 'service.css'));
+};