feat: Discord's local RPC servers

arRPC (https://github.com/OpenAsar/arrpc)

src/util/arRPC/process/native/index.js

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+'use strict';
+
+const linux = require('./linux.js');
+const win32 = require('./win32.js');
+module.exports = { win32, linux };

src/util/arRPC/process/native/linux.js

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+'use strict';
+
+const { exec } = require('child_process');
+const { readlink } = require('fs/promises');
+
+const getProcesses = () =>
+  new Promise(res =>
+    exec(`ps a -o "%p;%c;%a"`, async (e, out) => {
+      res(
+        (
+          await Promise.all(
+            out
+              .toString()
+              .split('\n')
+              .slice(1, -1)
+
+              .map(async x => {
+                const split = x.trim().split(';');
+                // If (split.length === 1) return;
+
+                const pid = parseInt(split[0].trim());
+                /* Unused
+                const cmd = split[1].trim();
+                const argv = split.slice(2).join(';').trim();
+                */
+
+                const path = await readlink(`/proc/${pid}/exe`).catch(() => {}); // Read path from /proc/{pid}/exe symlink
+
+                return [pid, path];
+              }),
+          )
+        ).filter(x => x && x[1]),
+      );
+    }),
+  );
+
+module.exports = { getProcesses };

src/util/arRPC/process/native/win32.js

@@ -0,0 +1,25 @@
+'use strict';
+
+const { exec } = require('child_process');
+
+const getProcesses = () =>
+  new Promise(res =>
+    exec(`wmic process get ProcessID,ExecutablePath /format:csv`, (e, out) => {
+      res(
+        out
+          .toString()
+          .split('\r\n')
+          .slice(2)
+
+          .map(x => {
+            // eslint-disable-next-line newline-per-chained-call
+            const parsed = x.trim().split(',').slice(1).reverse();
+            parsed[0] = parseInt(parsed[0]) || parsed[0]; // Pid to int
+            return parsed;
+          })
+          .filter(x => x[1]),
+      );
+    }),
+  );
+
+module.exports = { getProcesses };