chore: typescript conversion

1 files changed, 40 insertions, 0 deletions

diff --git a/src/webview/badge.ts b/src/webview/badge.ts
new file mode 100644
index 000000000..fc420b903
--- /dev/null
+++ b/src/webview/badge.ts
@@ -0,0 +1,40 @@
+import { ipcRenderer } from 'electron';
+
+const debug = require('debug')('Ferdi:Plugin:BadgeHandler');
+
+export class BadgeHandler {
+  countCache: { direct: number; indirect: number; };
+
+  constructor() {
+    this.countCache = {
+      direct: 0,
+      indirect: 0,
+    };
+  }
+
+  _normalizeNumber(count: string | number) {
+    // Parse number to integer
+    // This will correct errors that recipes may introduce, e.g.
+    // by sending a String instead of an integer
+    const parsedNumber = parseInt(count.toString(), 10);
+    const adjustedNumber = Number.isNaN(parsedNumber) ? 0 : parsedNumber;
+    return Math.max(adjustedNumber, 0);
+  }
+
+  setBadge(direct: number, indirect: number) {
+    if (this.countCache.direct === direct
+        && this.countCache.indirect === indirect) {
+      return;
+    }
+
+    const count = {
+      direct: this._normalizeNumber(direct),
+      indirect: this._normalizeNumber(indirect),
+    };
+
+    debug('Sending badge count to host', count);
+    ipcRenderer.sendToHost('message-counts', count);
+
+    Object.assign(this.countCache, count);
+  }
+}