From 396974772ce001e19cd95dc9b63cfb7c1c4e4b0c Mon Sep 17 00:00:00 2001
From: "Martin M." <mcm57@gmx.at>
Date: Sat, 18 Jan 2025 23:01:08 +0100
Subject: [PATCH] "common.singleton" causes a warning now for non-onlyWWW
 Adapters

---
 README.md                 |  1 +
 lib/M100_IOPackageJson.js | 37 +++++++++++++++++++++++++++++++++++--
 2 files changed, 36 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 6ae23b7..c8d011a 100644
--- a/README.md
+++ b/README.md
@@ -35,6 +35,7 @@ npx @iobroker/repochecker https://github.com/ioBroker/ioBroker.javascript --loca
 ## Changelog
 ### **WORK IN PROGRESS**
 
+-   (mcm1957) "common.singleton" causes a warning now for non-onlyWWW Adapters.
 -   (mcm1957) "$schema" has been blacklisted at io-package.json.
 -   (mcm1957) Warn if 'common.nondeletable' flag is detected.
 -   (mcm1957) Report request as deprecated package.
diff --git a/lib/M100_IOPackageJson.js b/lib/M100_IOPackageJson.js
index caadfad..208cd80 100644
--- a/lib/M100_IOPackageJson.js
+++ b/lib/M100_IOPackageJson.js
@@ -63,6 +63,20 @@ const blacklistIOPackageJson = {
         msg: '"common.nondeleteable" detected at io-package.json. Please check why this adapter cannot be deleted or updated and remove flag if possible.',
         err: false,
     },
+    'common.singleton': {
+        msg: '"common.singleton" detected for non onlyWWW adapter. Is this really desired?',
+        err: false,
+        condition: {
+            onlyWWW: false,
+        },
+    },
+    'common.singletonHost': {
+        msg: '"common.singletonHost" detected for non onlyWWW adapter. Is this really desired?',
+        err: false,
+        condition: {
+            onlyWWW: false,
+        },
+    },
     'common.subscribe': {
         msg: '"common.subscribe" will be removed with js-controller >= 6. Please remove from io-package.json and adapt code if required.',
         err: true,
@@ -763,13 +777,32 @@ async function checkIOPackageJson(context) {
         let log = '';
         for (const element of blacklist.split('.')) {
             log = `${log}.${element}`;
-            //console.log(`   check ${log}`);
+            // console.log(`   check ${log}`);
             tmp = tmp[element];
             if (!tmp) {
-                //console.log(`   ${log} does not exist`);
+                // console.log(`   ${log} does not exist`);
                 break;
             }
         }
+        if (tmp) {
+            if (blacklistIOPackageJson[blacklist].condition) {
+                for (const condition in blacklistIOPackageJson[blacklist].condition) {
+                    // console.log(
+                    //     `   check condition "${condition}": ${blacklistIOPackageJson[blacklist].condition[condition]}`,
+                    // );
+                    if (condition === 'onlyWWW') {
+                        const onlyWWW = context.ioPackageJson.common.onlyWWW ? true : false; // convert undefined to false
+                        if (onlyWWW !== blacklistIOPackageJson[blacklist].condition[condition]) {
+                            // console.log(`    check failed`);
+                            // console.log(`    ${context.ioPackageJson.common.onlyWWW}`);
+                            // console.log(`    ${onlyWWW}`);
+                            // console.log(`    ${blacklistIOPackageJson[blacklist].condition[condition]}`);
+                            tmp = undefined;
+                        }
+                    }
+                }
+            }
+        }
         if (tmp) {
             if (blacklistIOPackageJson[blacklist].err) {
                 context.errors.push(`[E184] ${blacklistIOPackageJson[blacklist].msg}`);