From e4de8af189735e2f6227898419bda7fdb50e35a2 Mon Sep 17 00:00:00 2001
From: Brendan <2bndy5@gmail.com>
Date: Sun, 10 Nov 2024 02:39:20 -0800
Subject: [PATCH] add colors to node scanner example

---
 examples/node/package.json  |  3 +++
 examples/node/ts/scanner.ts | 14 +++++++++++++-
 yarn.lock                   |  5 +++++
 3 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/examples/node/package.json b/examples/node/package.json
index 3063869..70a5753 100644
--- a/examples/node/package.json
+++ b/examples/node/package.json
@@ -15,5 +15,8 @@
         "build": "npx tsc",
         "lint": "yarn run eslint ./ts/*.ts && yarn run prettier ./ts/*.ts --check",
         "format": "yarn run prettier --write ./ts/*"
+    },
+    "dependencies": {
+        "ansi-colors": "^4.1.3"
     }
 }
diff --git a/examples/node/ts/scanner.ts b/examples/node/ts/scanner.ts
index c9a3f09..4160f0a 100644
--- a/examples/node/ts/scanner.ts
+++ b/examples/node/ts/scanner.ts
@@ -1,6 +1,7 @@
 import * as readline from "readline/promises";
 import * as fs from "fs";
 import * as timer from "timers/promises";
+import * as colors from "ansi-colors";
 import { RF24, CrcLength, DataRate, FifoState } from "@rf24/rf24";
 
 const io = readline.createInterface({
@@ -133,7 +134,18 @@ export class App {
     // finish printing current cache of signals
     for (let i = channel; i < CHANNELS; i++) {
       const total = caches[i];
-      process.stdout.write(total > 0 ? total.toString(16) : "-");
+      if (total == 0) {
+        process.stdout.write("-");
+      }
+      else if (total < 5) {
+        process.stdout.write(colors.green(total.toString(16).toUpperCase()));
+      }
+      else if (total < 10) {
+        process.stdout.write(colors.yellow(total.toString(16).toUpperCase()));
+      }
+      else {
+        process.stdout.write(colors.red(total.toString(16).toUpperCase()));
+      }
     }
   }
 
diff --git a/yarn.lock b/yarn.lock
index 37fc14a..ba87490 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -298,6 +298,11 @@ ajv@^6.12.4:
     json-schema-traverse "^0.4.1"
     uri-js "^4.2.2"
 
+ansi-colors@^4.1.3:
+  version "4.1.3"
+  resolved "https://registry.yarnpkg.com/ansi-colors/-/ansi-colors-4.1.3.tgz#37611340eb2243e70cc604cad35d63270d48781b"
+  integrity sha512-/6w/C21Pm1A7aZitlI5Ni/2J6FFQN8i1Cvz3kHABAAbw93v/NlvKdVOqz7CCWz/3iv/JplRSEEZ83XION15ovw==
+
 ansi-styles@^4.1.0:
   version "4.3.0"
   resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-4.3.0.tgz#edd803628ae71c04c85ae7a0906edad34b648937"