Hi Faizal,

I just tried to use gulp with node 20 and the same error comes up:


1.542 Using gulp config file: "../../gulp.config.js"
2.217 [11:10:47] Using gulpfile /src/_keenthemes/tools/gulpfile.js
2.218 [11:10:47] Starting 'default'...
2.222 [11:10:47] Starting 'cleanTask'...
2.237 [11:10:47] Finished 'cleanTask' after 15 ms
2.237 [11:10:47] Starting 'buildBundleTask'...
2.388 [11:10:47] Finished 'buildBundleTask' after 151 ms
2.388 [11:10:47] Finished 'default' after 170 ms
2.867 Error in plugin "sass"
2.867 Message:
2.867 ../src/sass/style.bundle.css
2.867 Error: TypeError: null: type 'JSNull' is not a subtype of type 'String'
2.873 /src/_keenthemes/tools/node_modules/sass/sass.dart.js:6520
2.873 throw error;
2.873 ^
2.873
2.873 Error: TypeError: null: type 'JSNull' is not a subtype of type 'String'
2.873 at Object.wrapException (/src/_keenthemes/tools/node_modules/sass/sass.dart.js:2286:43)
2.873 at Object._failedAsCheck (/src/_keenthemes/tools/node_modules/sass/sass.dart.js:3798:15)
2.873 at Rti._generalAsCheckImplementation [as _as] (/src/_keenthemes/tools/node_modules/sass/sass.dart.js:3787:9)
2.873 at ArrayIterator.get$current (/src/_keenthemes/tools/node_modules/sass/sass.dart.js:35164:50)
2.873 at Object.get$current$x (/src/_keenthemes/tools/node_modules/sass/sass.dart.js:792:43)
2.873 at _SyncStarIterator.moveNext$0 (/src/_keenthemes/tools/node_modules/sass/sass.dart.js:38096:41)
2.873 at Object.List_List$from (/src/_keenthemes/tools/node_modules/sass/sass.dart.js:6534:49)
2.873 at Object.List_List$unmodifiable (/src/_keenthemes/tools/node_modules/sass/sass.dart.js:6559:22)
2.873 at Object._parseImporter (/src/_keenthemes/tools/node_modules/sass/sass.dart.js:28989:51)
2.873 at /src/_keenthemes/tools/node_modules/sass/sass.dart.js:28755:22 {
2.873 dartException: <ref *1> PluginError: TypeError: null: type 'JSNull' is not a subtype of type 'String'
2.873 at Object.wrapException (/src/_keenthemes/tools/node_modules/sass/sass.dart.js:2286:43)
2.873 at Object._failedAsCheck (/src/_keenthemes/tools/node_modules/sass/sass.dart.js:3798:15)
2.873 at Rti._generalAsCheckImplementation [as _as] (/src/_keenthemes/tools/node_modules/sass/sass.dart.js:3787:9)
2.873 at ArrayIterator.get$current (/src/_keenthemes/tools/node_modules/sass/sass.dart.js:35164:50)
2.873 at Object.get$current$x (/src/_keenthemes/tools/node_modules/sass/sass.dart.js:792:43)
2.873 at _SyncStarIterator.moveNext$0 (/src/_keenthemes/tools/node_modules/sass/sass.dart.js:38096:41)
2.873 at Object.List_List$from (/src/_keenthemes/tools/node_modules/sass/sass.dart.js:6534:49)
2.873 at Object.List_List$unmodifiable (/src/_keenthemes/tools/node_modules/sass/sass.dart.js:6559:22)
2.873 at Object._parseImporter (/src/_keenthemes/tools/node_modules/sass/sass.dart.js:28989:51)
2.873 at /src/_keenthemes/tools/node_modules/sass/sass.dart.js:28755:22 {
2.873 formatted: "Error: TypeError: null: type 'JSNull' is not a subtype of type 'String'",
2.873 status: 3,
2.873 messageFormatted: '../src/sass/style.bundle.css\n' +
2.873 "Error: TypeError: null: type 'JSNull' is not a subtype of type 'String'",
2.873 messageOriginal: "TypeError: null: type 'JSNull' is not a subtype of type 'String'",
2.873 relativePath: '../src/sass/style.bundle.css',
2.873 message: '../src/sass/style.bundle.css\n' +
2.873 "Error: TypeError: null: type 'JSNull' is not a subtype of type 'String'",
2.873 __safety: undefined,
2.873 _stack: undefined,
2.873 plugin: 'gulp-dart-sass',
2.873 showProperties: true,
2.873 showStack: false,
2.873 domainEmitter: Stream {
2.873 _events: [Object: null prototype] {},
2.873 _eventsCount: 0,
2.873 _maxListeners: undefined,
2.873 write: [Function: method],
2.873 end: [Function: method],
2.873 destroy: [Function: method],
2.873 resume: [Function: method],
2.873 pause: [Function: method],
2.873 writable: true,
2.873 readable: true,
2.873 [Symbol(shapeMode)]: false,
2.873 [Symbol(kCapture)]: false
2.873 },
2.873 domainThrown: false,
2.873 '$cachedTrace': _StackTrace {
2.873 _exception: [Circular *1],
2.873 _trace: "Error: TypeError: null: type 'JSNull' is not a subtype of type 'String'\n" +
2.873 ' at Object.wrapException (/src/_keenthemes/tools/node_modules/sass/sass.dart.js:2286:43)\n' +
2.873 ' at Object._failedAsCheck (/src/_keenthemes/tools/node_modules/sass/sass.dart.js:3798:15)\n' +
2.873 ' at Rti._generalAsCheckImplementation [as _as] (/src/_keenthemes/tools/node_modules/sass/sass.dart.js:3787:9)\n' +
2.873 ' at ArrayIterator.get$current (/src/_keenthemes/tools/node_modules/sass/sass.dart.js:35164:50)\n' +
2.873 ' at Object.get$current$x (/src/_keenthemes/tools/node_modules/sass/sass.dart.js:792:43)\n' +
2.873 ' at _SyncStarIterator.moveNext$0 (/src/_keenthemes/tools/node_modules/sass/sass.dart.js:38096:41)\n' +
2.873 ' at Object.List_List$from (/src/_keenthemes/tools/node_modules/sass/sass.dart.js:6534:49)\n' +
2.873 ' at Object.List_List$unmodifiable (/src/_keenthemes/tools/node_modules/sass/sass.dart.js:6559:22)\n' +
2.873 ' at Object._parseImporter (/src/_keenthemes/tools/node_modules/sass/sass.dart.js:28989:51)\n' +
2.873 ' at /src/_keenthemes/tools/node_modules/sass/sass.dart.js:28755:22'
2.873 }
2.873 }
2.873 }
2.873
2.873 Node.js v20.18.1

Hi Faizal,

I just installed node.js 22.12.0 and I get (almost) the same error:

"Using gulp config file: "../../gulp.config.js"
[19:56:09] Using gulpfile C:\Dev\fe\Starterkit\_keenthemes\tools\gulpfile.js
[19:56:10] Starting 'default'...
[19:56:10] Starting 'cleanTask'...
[19:56:10] Finished 'cleanTask' after 321 ms
[19:56:10] Starting 'buildBundleTask'...
[19:56:10] Finished 'buildBundleTask' after 112 ms
[19:56:10] Finished 'default' after 436 ms
(node:20908) [DEP0180] DeprecationWarning: fs.Stats constructor is deprecated.
(Use `node --trace-deprecation ...` to show where the warning was created)
Error in plugin "sass"
Message:
..\src\sass\style.bundle.css
Error: TypeError: null: type 'JSNull' is not a subtype of type 'String'
C:\Dev\fe\Starterkit\_keenthemes\tools\node_modules\sass\sass.dart.js:6520
throw error;
^

Error: TypeError: null: type 'JSNull' is not a subtype of type 'String'
at Object.wrapException (C:\Dev\fe\Starterkit\_keenthemes\tools\node_modules\sass\sass.dart.js:2286:43)
at Object._failedAsCheck (C:\Dev\fe\Starterkit\_keenthemes\tools\node_modules\sass\sass.dart.js:3798:15)
at Rti._generalAsCheckImplementation [as _as] (C:\Dev\fe\Starterkit\_keenthemes\tools\node_modules\sass\sass.dart.js:3787:9)
at ArrayIterator.get$current (C:\Dev\fe\Starterkit\_keenthemes\tools\node_modules\sass\sass.dart.js:35164:50)
at Object.get$current$x (C:\Dev\fe\Starterkit\_keenthemes\tools\node_modules\sass\sass.dart.js:792:43)
at _SyncStarIterator.moveNext$0 (C:\Dev\fe\Starterkit\_keenthemes\tools\node_modules\sass\sass.dart.js:38096:41)
at Object.List_List$from (C:\Dev\fe\Starterkit\_keenthemes\tools\node_modules\sass\sass.dart.js:6534:49)
at Object.List_List$unmodifiable (C:\Dev\fe\Starterkit\_keenthemes\tools\node_modules\sass\sass.dart.js:6559:22)
at Object._parseImporter (C:\Dev\fe\Starterkit\_keenthemes\tools\node_modules\sass\sass.dart.js:28989:51)
at C:\Dev\fe\Starterkit\_keenthemes\tools\node_modules\sass\sass.dart.js:28755:22 {
dartException: <ref *1> PluginError: TypeError: null: type 'JSNull' is not a subtype of type 'String'
at Object.wrapException (C:\Dev\fe\Starterkit\_keenthemes\tools\node_modules\sass\sass.dart.js:2286:43)
at Object._failedAsCheck (C:\Dev\fe\Starterkit\_keenthemes\tools\node_modules\sass\sass.dart.js:3798:15)
at Rti._generalAsCheckImplementation [as _as] (C:\Dev\fe\Starterkit\_keenthemes\tools\node_modules\sass\sass.dart.js:3787:9)
at ArrayIterator.get$current (C:\Dev\fe\Starterkit\_keenthemes\tools\node_modules\sass\sass.dart.js:35164:50)
at Object.get$current$x (C:\Dev\fe\Starterkit\_keenthemes\tools\node_modules\sass\sass.dart.js:792:43)
at _SyncStarIterator.moveNext$0 (C:\Dev\fe\Starterkit\_keenthemes\tools\node_modules\sass\sass.dart.js:38096:41)
at Object.List_List$from (C:\Dev\fe\Starterkit\_keenthemes\tools\node_modules\sass\sass.dart.js:6534:49)
at Object.List_List$unmodifiable (C:\Dev\fe\Starterkit\_keenthemes\tools\node_modules\sass\sass.dart.js:6559:22)
at Object._parseImporter (C:\Dev\fe\Starterkit\_keenthemes\tools\node_modules\sass\sass.dart.js:28989:51)
at C:\Dev\fe\Starterkit\_keenthemes\tools\node_modules\sass\sass.dart.js:28755:22 {
formatted: "Error: TypeError: null: type 'JSNull' is not a subtype of type 'String'",
status: 3,
messageFormatted: '\x1B[4m..\\src\\sass\\style.bundle.css\x1B[24m\n' +
"Error: TypeError: null: type 'JSNull' is not a subtype of type 'String'",
messageOriginal: "TypeError: null: type 'JSNull' is not a subtype of type 'String'",
relativePath: '..\\src\\sass\\style.bundle.css',
message: '..\\src\\sass\\style.bundle.css\n' +
"Error: TypeError: null: type 'JSNull' is not a subtype of type 'String'",
__safety: undefined,
_stack: undefined,
plugin: 'gulp-dart-sass',
showProperties: true,
showStack: false,
domainEmitter: Stream {
_events: [Object: null prototype] {},
_eventsCount: 0,
_maxListeners: undefined,
write: [Function: method],
end: [Function: method],
destroy: [Function: method],
resume: [Function: method],
pause: [Function: method],
writable: true,
readable: true,
[Symbol(shapeMode)]: false,
[Symbol(kCapture)]: false
},
domainThrown: false,
'$cachedTrace': _StackTrace {
_exception: [Circular *1],
_trace: "Error: TypeError: null: type 'JSNull' is not a subtype of type 'String'\n" +
' at Object.wrapException (C:\\Dev\\fe\\Starterkit\\_keenthemes\\tools\\node_modules\\sass\\sass.dart.js:2286:43)\n' +
' at Object._failedAsCheck (C:\\Dev\\fe\\Starterkit\\_keenthemes\\tools\\node_modules\\sass\\sass.dart.js:3798:15)\n' +
' at Rti._generalAsCheckImplementation [as _as] (C:\\Dev\\fe\\Starterkit\\_keenthemes\\tools\\node_modules\\sass\\sass.dart.js:3787:9)\n' +
' at ArrayIterator.get$current (C:\\Dev\\fe\\Starterkit\\_keenthemes\\tools\\node_modules\\sass\\sass.dart.js:35164:50)\n' +
' at Object.get$current$x (C:\\Dev\\fe\\Starterkit\\_keenthemes\\tools\\node_modules\\sass\\sass.dart.js:792:43)\n' +
' at _SyncStarIterator.moveNext$0 (C:\\Dev\\fe\\Starterkit\\_keenthemes\\tools\\node_modules\\sass\\sass.dart.js:38096:41)\n' +
' at Object.List_List$from (C:\\Dev\\fe\\Starterkit\\_keenthemes\\tools\\node_modules\\sass\\sass.dart.js:6534:49)\n' +
' at Object.List_List$unmodifiable (C:\\Dev\\fe\\Starterkit\\_keenthemes\\tools\\node_modules\\sass\\sass.dart.js:6559:22)\n' +
' at Object._parseImporter (C:\\Dev\\fe\\Starterkit\\_keenthemes\\tools\\node_modules\\sass\\sass.dart.js:28989:51)\n' +
' at C:\\Dev\\fe\\Starterkit\\_keenthemes\\tools\\node_modules\\sass\\sass.dart.js:28755:22'
}
}
}"