After fixing all autofixable errors eslint still complains at module devObjecs.js.
Please check - normally eslint has very few false positives.
E:\GitHub\iobroker-community-adapters\ioBroker.fronius\main.js
24:11 error '__dirname' is already defined as a built-in global variable no-redeclare
33:11 error 'apiTest' is assigned a value but never used no-unused-vars
162:39 error 'apiTest' is not defined no-undef
218:38 error 'error' is defined but never used. Allowed unused args must match /^_/u no-unused-vars
224:26 error 'error' is defined but never used. Allowed unused args must match /^_/u no-unused-vars
252:34 error 'error' is defined but never used. Allowed unused args must match /^_/u no-unused-vars
263:26 error 'apiTest' is not defined no-undef
282:26 error 'error' is defined but never used. Allowed unused args must match /^_/u no-unused-vars
298:41 error Do not access Object.prototype method 'hasOwnProperty' from target object no-prototype-builtins
299:43 error Do not access Object.prototype method 'hasOwnProperty' from target object no-prototype-builtins
300:46 error Do not access Object.prototype method 'hasOwnProperty' from target object no-prototype-builtins
303:38 error Do not access Object.prototype method 'hasOwnProperty' from target object no-prototype-builtins
304:40 error Do not access Object.prototype method 'hasOwnProperty' from target object no-prototype-builtins
346:24 error 'apiTest' is not defined no-undef
351:20 error 'apiTest' is not defined no-undef
356:20 error 'apiTest' is not defined no-undef
361:20 error 'apiTest' is not defined no-undef
366:20 error 'apiTest' is not defined no-undef
426:38 error Do not access Object.prototype method 'hasOwnProperty' from target object no-prototype-builtins
426:68 error Do not access Object.prototype method 'hasOwnProperty' from target object no-prototype-builtins
432:38 error Do not access Object.prototype method 'hasOwnProperty' from target object no-prototype-builtins
432:70 error Do not access Object.prototype method 'hasOwnProperty' from target object no-prototype-builtins
473:45 error Do not access Object.prototype method 'hasOwnProperty' from target object no-prototype-builtins
573:33 error 's1current' is defined but never used no-unused-vars
573:44 error 's2current' is defined but never used no-unused-vars
577:43 error Do not access Object.prototype method 'hasOwnProperty' from target object no-prototype-builtins
653:26 error 'apiTest' is not defined no-undef
694:24 error 'apiTest' is not defined no-undef
700:20 error 'apiTest' is not defined no-undef
706:20 error 'apiTest' is not defined no-undef
749:26 error 'apiTest' is not defined no-undef
786:26 error 'apiTest' is not defined no-undef
828:26 error 'apiTest' is not defined no-undef
870:24 error 'apiTest' is not defined no-undef
875:20 error 'apiTest' is not defined no-undef
880:20 error 'apiTest' is not defined no-undef
885:20 error 'apiTest' is not defined no-undef
1071:24 error 'apiTest' is not defined no-undef
1077:20 error 'apiTest' is not defined no-undef
1083:20 error 'apiTest' is not defined no-undef
1121:24 error 'apiTest' is not defined no-undef
1126:20 error 'apiTest' is not defined no-undef
1316:15 error Do not access Object.prototype method 'hasOwnProperty' from target object no-prototype-builtins
1316:75 error Do not access Object.prototype method 'hasOwnProperty' from target object no-prototype-builtins
1318:17 error Do not access Object.prototype method 'hasOwnProperty' from target object no-prototype-builtins
1318:53 error Do not access Object.prototype method 'hasOwnProperty' from target object no-prototype-builtins
1337:19 error Do not access Object.prototype method 'hasOwnProperty' from target object no-prototype-builtins
1337:56 error Do not access Object.prototype method 'hasOwnProperty' from target object no-prototype-builtins
1339:9 error Unexpected var, use let or const instead no-var
1355:43 error Do not access Object.prototype method 'hasOwnProperty' from target object no-prototype-builtins
1357:17 error Unexpected var, use let or const instead no-var
1357:21 error 'val' is already defined no-redeclare
1372:13 error Unexpected var, use let or const instead no-var
1372:17 error 'val' is already defined no-redeclare
✖ 69 problems (69 errors, 0 warnings)
After fixing all autofixable errors eslint still complains at module devObjecs.js. Please check - normally eslint has very few false positives.