From cf04d4da15faf83e48803fd8b8cf59a3679b782d Mon Sep 17 00:00:00 2001
From: b1ek <me@blek.codes>
Date: Thu, 4 May 2023 23:44:10 +1000
Subject: [PATCH] improve ps

---
 src/emulator/commands/ps.js | 14 +++++++++-----
 src/lib/sleep.js            |  1 +
 2 files changed, 10 insertions(+), 5 deletions(-)
 create mode 100644 src/lib/sleep.js

diff --git a/src/emulator/commands/ps.js b/src/emulator/commands/ps.js
index ad1947b..b2e2a49 100644
--- a/src/emulator/commands/ps.js
+++ b/src/emulator/commands/ps.js
@@ -1,20 +1,24 @@
 const { Terminal } = require("xterm");
+const sleep = require('../../lib/sleep');
 
 /**
  * 
  * @param {string[]} argv 
  * @param {Terminal} terminal 
  */
-module.exports = (argv, terminal) => {
+module.exports = async (argv, terminal) => {
     if (argv.indexOf('--help') != -1) {
         terminal.write(
 `Usage: ${argv[0]} [OPTIONS]
 Show current process list`);
         return;
     }
-    terminal.write(
-`\tPID\tTTY\tTIME\tCMD
- 42\tpts/0\t00:00:00\tzsh
- 43\tpts/0\t00:00:00\tps
+    terminal.write('PID\tTTY\tTIME\t\tCMD');
+
+    await sleep(5);
+
+    terminal.write(`
+1\tpts/0\t00:00:00\tzsh
+2\tpts/0\t00:00:00\tps
 `);
 }
\ No newline at end of file
diff --git a/src/lib/sleep.js b/src/lib/sleep.js
new file mode 100644
index 0000000..8d255e6
--- /dev/null
+++ b/src/lib/sleep.js
@@ -0,0 +1 @@
+module.exports = (timeout) => new Promise(r => setTimeout(r, timeout));
\ No newline at end of file