refactor

widget/modules/Ram/Ram.tsx

@@ -0,0 +1,16 @@
+import { Variable } from "astal";
+import calculateRamUsage from "./helpers";
+
+export default function Ram() {
+  const ram_usage = Variable<string>("").poll(5000, () => calculateRamUsage());
+
+  return (
+    <box className="ram">
+      <label
+        className="Ram"
+        onDestroy={() => ram_usage.drop()}
+        label={ram_usage()}
+      />
+    </box>
+  );
+}

widget/modules/Ram/helpers.ts

@@ -0,0 +1,36 @@
+import { GLib } from "astal";
+
+const calculateRamUsage = (): string => {
+  try {
+    const [success, meminfoBytes] = GLib.file_get_contents("/proc/meminfo");
+
+    if (!success || !meminfoBytes) {
+      throw new Error("Failed to read /proc/meminfo or file content is null.");
+    }
+
+    const meminfo = new TextDecoder("utf-8").decode(meminfoBytes);
+
+    const totalMatch = meminfo.match(/MemTotal:\s+(\d+)/);
+    const availableMatch = meminfo.match(/MemAvailable:\s+(\d+)/);
+
+    if (!totalMatch || !availableMatch) {
+      throw new Error("Failed to parse /proc/meminfo for memory values.");
+    }
+
+    const totalRamInBytes = parseInt(totalMatch[1], 10) * 1024;
+    const availableRamInBytes = parseInt(availableMatch[1], 10) * 1024;
+
+    let usedRam = totalRamInBytes - availableRamInBytes;
+    usedRam = isNaN(usedRam) || usedRam < 0 ? 0 : usedRam;
+
+    const ramstring =
+      "    " + Math.floor((usedRam / totalRamInBytes) * 100) + "%";
+
+    return ramstring;
+  } catch (error) {
+    console.error("Error calculating RAM usage:", error);
+    return "";
+  }
+};
+
+export default calculateRamUsage;