From 98bfdbaa06f32c3a6c05ce829be949cab39fd879 Mon Sep 17 00:00:00 2001
From: Thomas Forgione <thomas@forgione.fr>
Date: Fri, 17 Feb 2023 06:50:27 +0100
Subject: [PATCH] Better install

---
 README.md         | 4 +---
 index.js          | 6 ++++++
 package-lock.json | 3 +++
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 9f1a34c..efb3836 100644
--- a/README.md
+++ b/README.md
@@ -5,9 +5,7 @@ _Helps locating elements in simple HTML pages_
 ## Installation
 
 ```sh
-git clone https://gitea.tforgione.fr/tforgione/locator
-cd locator
-npm install
+npm install --global git+https://gitea.tforgione.fr/tforgione/locator.git
 ```
 
 ## Usage
diff --git a/index.js b/index.js
index 5e6c453..16c629b 100644
--- a/index.js
+++ b/index.js
@@ -6,6 +6,12 @@ const puppeteer = require('puppeteer');
 
 async function main() {
 
+    if (process.argv[2] === undefined) {
+        console.error("This program expects an argument.");
+        console.error("USAGE: locator <path-to-HTML-file>");
+        process.exit(1);
+    }
+
     // Path to the HTML file to analyse (given as relative path from current directory)
     // We need the full path so that puppeteer is able to access it
     const path = process.argv[2].startsWith('/') ? process.argv[2] : process.cwd() + '/' + process.argv[2];
diff --git a/package-lock.json b/package-lock.json
index d47791a..6ccb661 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,6 +10,9 @@
       "license": "ISC",
       "dependencies": {
         "puppeteer": "^19.7.1"
+      },
+      "bin": {
+        "locator": "index.js"
       }
     },
     "node_modules/@babel/code-frame": {