✨ feat [CLI]: --pm2 to offload EASY API to pm2` #2374

Author: smashah

bin/server.js

@@ -1,3 +1,40 @@
 #! /usr/bin/env node
-// require('./index.js');
-require('../dist/cli');
+const pm2Index = process.argv.findIndex(arg => arg === "--pm2");
+const sIdIndex = process.argv.findIndex(arg => arg === "--session-id");
+const nameIndex = process.argv.findIndex(arg => arg === "--name");
+const getVal = (index) => index !== -1 && process.argv[index + 1]
+const getBool = (index) => !((index !== -1 && process.argv[index + 1]) === false)
+const procName = getVal(sIdIndex || nameIndex) || "@OPEN-WA EASY API";
+const CLI = '../dist/cli'
+async function start() {
+    if (getBool(pm2Index)) {
+        const { spawn } = require("child_process");
+        try {
+            const pm2 = spawn('pm2');
+            await new Promise((resolve, reject) => {
+                pm2.on('error', reject);
+                pm2.stdout.on('data', () => resolve(true));
+            })
+            const pm2Flags = (getVal(pm2Index) || "").split(" ");
+            const cliFlags = (process.argv.slice(2) || []);
+            spawn("pm2", [
+                "start",
+                require.resolve(CLI),
+                '--name',
+                procName,
+                ...pm2Flags,
+                '--',
+                ...cliFlags.filter(x=>!pm2Flags.includes(x))
+            ], {
+                stdio: "inherit",
+                detached: true
+            })
+        } catch (error) {
+            if (error.errorno === -2) console.error("pm2 not found. Please install with the following command: npm install -g pm2");
+        }
+    } else {
+        require(CLI);
+    }
+}
+
+start()

src/cli/cli-options.ts

@@ -241,6 +241,12 @@ Merge<Merge<{
     type: Boolean,
     description: "Expose a tunnel to your EASY API session - this is for testing and it is unsecured."
 },
+{
+    name: 'pm2',
+    type: Boolean,
+    typeLabel: '{yellow {underline "--max-memory-restart 300M"}}',
+    description: "Offload the EASY API to local instance of pm2. You can add pm2 specific arguments also if you want."
+},
 {
     name: 'help',
     description: 'Print this usage guide.'