From 082a91fa76feab7dc6d4e4a033169b2dbaea1c49 Mon Sep 17 00:00:00 2001
From: Damyan Ivanov <dmn@debian.org>
Date: Sat, 19 Feb 2022 08:30:39 +0000
Subject: [PATCH] debug messages in development environment

---
 lib/App/LazyShoppingList/Web.pm |  1 +
 public/javascripts/lsl.js       | 10 +++++++++-
 views/index.tt                  |  2 +-
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/lib/App/LazyShoppingList/Web.pm b/lib/App/LazyShoppingList/Web.pm
index b2ecbf1..e51c314 100644
--- a/lib/App/LazyShoppingList/Web.pm
+++ b/lib/App/LazyShoppingList/Web.pm
@@ -15,6 +15,7 @@ set charset => 'UTF-8';
 
 # main web-application
 get '/' => sub {
+    set environment => $ENV{PLACK_ENV};
     template 'index' => { 'title' => 'App::REST::LazyShoppingList' };
 };
 
diff --git a/public/javascripts/lsl.js b/public/javascripts/lsl.js
index c594a44..d1656d4 100644
--- a/public/javascripts/lsl.js
+++ b/public/javascripts/lsl.js
@@ -1,12 +1,17 @@
 "use strict";
 (function(){
+var uri_base, environment, devel_env;   // filled on page load from an HTML attribute
 var ui_icon_class_re = new RegExp('\\bui-icon-\\S+\\b');
 var uri_id_re = new RegExp('/(\\d+)$');
-var uri_base;   // filled on page load from an HTML attribute
 var lists_version = -1;
 var lists = [];
 var selected_list;
 
+function debug(...args) {
+    if (devel_env)
+        console.debug.apply(console, args);
+}
+
 function uri_id(uri) {
     var m = uri.match(uri_id_re);
     return m ? m[1] : null;
@@ -171,6 +176,9 @@ function handle_list_item_state_changed(ev) {
 }
 $(function(){
     uri_base = $('#page').attr('lsl-uri-base');
+    environment = $('#page').attr('lsl-environment');
+    devel_env = environment == 'development';
+
     $(document).ajaxStart(function(){
         $(document).addClass('blocked');
         window.setTimeout(
diff --git a/views/index.tt b/views/index.tt
index 0b7a8ce..d1f4637 100644
--- a/views/index.tt
+++ b/views/index.tt
@@ -1,4 +1,4 @@
-<div id="page" class="loading-lists" lsl-uri-base="<% request.uri_base %>">
+<div id="page" class="loading-lists" lsl-uri-base="<% request.uri_base %>" lsl-environment="<% settings.environment %>" >
   <div id="sidebar">
     <ul id="sidebar-items">
       <li id="lists-sidebar-item">
-- 
2.39.5