From ab54a690a698b58e7bb048c62aced9d3553318fd Mon Sep 17 00:00:00 2001
From: przemek-nowicki <nowicki.przemek@gmail.com>
Date: Wed, 4 May 2022 16:13:11 +0200
Subject: [PATCH] listen and provide callback handler on SIGPIPE signal

---
 .gitignore   | 28 ++++++++++++++++++++++++++++
 .npmignore   | 26 ++++++++++++++++++++++++++
 README.md    | 10 +++++++++-
 index.js     | 32 ++++++++++++++++++++++++++++++++
 package.json | 30 ++++++++++++++++++++++++++++++
 5 files changed, 125 insertions(+), 1 deletion(-)
 create mode 100644 .gitignore
 create mode 100644 .npmignore
 create mode 100644 index.js
 create mode 100644 package.json

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..0f53990
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,28 @@
+# Logs #
+/logs
+*.log
+*.log*
+
+# Node files #
+node_modules/
+npm-debug.log
+yarn-error.log
+
+# OS generated files #
+.DS_Store
+Thumbs.db
+
+# Typing #
+typings/
+
+# Dist #
+dist/
+
+# IDE #
+.idea/
+*.swp
+.awcache
+
+# Generated source-code #
+src/**/*.js.map
+coverage/
\ No newline at end of file
diff --git a/.npmignore b/.npmignore
new file mode 100644
index 0000000..c37eac4
--- /dev/null
+++ b/.npmignore
@@ -0,0 +1,26 @@
+# Logs #
+/logs
+*.log
+*.log*
+
+# Node files #
+node_modules/
+npm-debug.log
+yarn-error.log
+
+# OS generated files #
+.DS_Store
+Thumbs.db
+
+# Typing #
+typings/
+
+# IDE #
+.idea/
+*.swp
+.awcache
+
+# Generated source-code #
+test/
+coverage/
+
diff --git a/README.md b/README.md
index 3ce6b4e..b7ce109 100644
--- a/README.md
+++ b/README.md
@@ -2,8 +2,16 @@
 
 **RnR** - is tiny lib to refresh node setup on runtime without restarting the node server.
 
+# Install
+
+```sh
+npm install --save runtime-node-refresh
+```
+
+# Usage
+ 
 It may be very usefult when you want to refresh/update your environment variables let's say your log level without restarting node server.
 
-Note: RnR is using node signals which means it's not working on Worker threads.
+Note: RnR is using node signals which means it does not work on Worker threads.
 
 
diff --git a/index.js b/index.js
new file mode 100644
index 0000000..39b189b
--- /dev/null
+++ b/index.js
@@ -0,0 +1,32 @@
+'use strict';
+
+let cbToCall;
+const process = global.process
+
+const isProcessOk =  (process) => {
+  return process &&
+    typeof process === 'object' &&
+    typeof process.kill === 'function' &&
+    typeof process.pid === 'number' &&
+    typeof process.on === 'function'
+}
+
+const reloadCbFn = (cb) => {
+  cbToCall = cb;
+};
+
+process.on('SIGPIPE', () => {
+  if (typeof cbToCall === 'function') {
+    cbToCall();  
+  } else {
+    console.error('SIGPIPE triggered but no callback provided to execute!');
+  }
+});
+
+if (!isProcessOk(process)) {
+  module.exports = () => {
+    return () => {}
+  }
+} else {
+  module.exports = reloadCbFn;
+}
\ No newline at end of file
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..4b86f2c
--- /dev/null
+++ b/package.json
@@ -0,0 +1,30 @@
+{
+  "name": "runtime-node-refresh",
+  "version": "1.0.0",
+  "description": "Refresh node environment variables on runtime without restarting the node server.",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/przemek-nowicki/runtime-node-refresh.git"
+  },
+  "keywords": [
+    "refresh",
+    "env",
+    "update",
+    "env",
+    "runtime",
+    "refresh",
+    "node",
+    "refresh",
+    "envs"
+  ],
+  "author": "nowicki.przemek@gmail.com",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/przemek-nowicki/runtime-node-refresh/issues"
+  },
+  "homepage": "https://github.com/przemek-nowicki/runtime-node-refresh#readme"
+}