First attempted pass at jsObjectBlock

Author: amadeus

syntax/javascript.vim

@@ -30,7 +30,9 @@ syntax match   jsOperator       /[\!\|\&\+\-\<\>\=\%\/\*\~\^]\{1}/
 syntax keyword jsBooleanTrue    true
 syntax keyword jsBooleanFalse   false
 syntax keyword jsModules        import export contained
-syntax keyword jsModuleWords    default from as contained
+syntax keyword jsModules        export contained nextgroup=jsObjectBlock skipwhite skipempty
+syntax keyword jsModuleWords    from as contained
+syntax keyword jsModuleWords    default contained nextgroup=jsObjectBlock skipwhite skipempty
 syntax keyword jsOf             of contained
 syntax keyword jsArgsObj        arguments
 
@@ -185,13 +187,14 @@ endif "DOM/HTML/CSS
 "" end DOM/HTML/CSS specified things
 
 "" Code blocks
-syntax cluster jsExpression contains=jsComment,jsLineComment,jsBlockComment,jsTaggedTemplate,jsTemplateString,jsStringD,jsStringS,jsRegexpString,jsNumber,jsFloat,jsThis,jsStatic,jsSuper,jsOperator,jsBooleanTrue,jsBooleanFalse,jsNull,jsFunction,jsArrowFunction,jsGlobalObjects,jsExceptions,jsFutureKeys,jsDomErrNo,jsDomNodeConsts,jsHtmlEvents,jsDotNotation,jsBracket,jsParen,jsBlock,jsFuncCall,jsUndefined,jsNan,jsKeyword,jsStorageClass,jsPrototype,jsBuiltins,jsNoise,jsCommonJS,jsImportContainer,jsExportContainer,jsArgsObj,jsDecorator,jsAsyncKeyword,jsClassDefinition,jsArrowFunction,jsArrowFuncArgs
+syntax cluster jsExpression contains=jsComment,jsLineComment,jsBlockComment,jsTaggedTemplate,jsTemplateString,jsStringD,jsStringS,jsRegexpString,jsNumber,jsFloat,jsThis,jsStatic,jsSuper,jsOperator,jsBooleanTrue,jsBooleanFalse,jsNull,jsFunction,jsArrowFunction,jsGlobalObjects,jsExceptions,jsFutureKeys,jsDomErrNo,jsDomNodeConsts,jsHtmlEvents,jsDotNotation,jsBracket,jsParen,jsObjectBlock,jsBlock,jsFuncCall,jsUndefined,jsNan,jsKeyword,jsStorageClass,jsPrototype,jsBuiltins,jsNoise,jsCommonJS,jsImportContainer,jsExportContainer,jsArgsObj,jsDecorator,jsAsyncKeyword,jsClassDefinition,jsArrowFunction,jsArrowFuncArgs
 syntax cluster jsAll        contains=@jsExpression,jsLabel,jsConditional,jsRepeat,jsReturn,jsStatement,jsTernaryIf,jsException
 syntax region  jsBracket    matchgroup=jsBrackets     start="\[" end="\]" contains=@jsAll,jsParensErrB,jsParensErrC,jsBracket,jsParen,jsBlock,@htmlPreproc fold
 syntax region  jsParen      matchgroup=jsParens       start="("  end=")"  contains=@jsAll,jsOf,jsParensErrA,jsParensErrC,jsParen,jsBracket,jsBlock,@htmlPreproc fold extend
 syntax region  jsClassBlock matchgroup=jsClassBraces  start="{"  end="}"  contains=jsFuncName,jsClassMethodDefinitions,jsOperator,jsArrowFunction,jsArrowFuncArgs,jsComment,jsBlockComment,jsLineComment,jsGenerator contained fold
 syntax region  jsFuncBlock  matchgroup=jsFuncBraces   start="{"  end="}"  contains=@jsAll,jsParensErrA,jsParensErrB,jsParen,jsBracket,jsBlock,@htmlPreproc,jsClassDefinition fold extend
-syntax region  jsBlock      matchgroup=jsBraces       start="{"  end="}"  contains=@jsAll,jsParensErrA,jsParensErrB,jsParen,jsBracket,jsBlock,jsObjectKey,@htmlPreproc,jsClassDefinition extend
+syntax region  jsBlock      matchgroup=jsBraces       start="{"  end="}"  contains=@jsAll,jsParensErrA,jsParensErrB,jsParen,jsBracket,jsBlock,jsObjectKey,@htmlPreproc,jsClassDefinition,jsObjectBlock extend
+syntax region  jsObjectBlock matchgroup=jsObjectBraces      start="\%()[\r\n\t ]*\)\@<!{"  end="}"  contains=@jsAll,jsObjectKey,jsParensErrB,jsParen,jsNoise extend
 syntax region  jsTernaryIf  matchgroup=jsTernaryIfOperator start=+?+  end=+:+  contains=@jsExpression,jsTernaryIf
 
 "" catch errors caused by wrong parenthesis
@@ -207,8 +210,8 @@ exe 'syntax match jsArrowFunction /=>/ skipwhite nextgroup=jsFuncBlock contains=
 syntax match   jsGenerator       contained /\*/ nextgroup=jsFuncName,jsFuncArgs skipwhite skipempty
 syntax match   jsFuncName        contained /\<[a-zA-Z_$][0-9a-zA-Z_$]*/ nextgroup=jsFuncArgs skipwhite skipempty
 " These versions of jsFuncName is for use in object declarations with no key
-" syntax match   jsFuncName        contained /\%(^[\r\n\t ]*\)\@<=[*\r\n\t ]*[a-zA-Z_$][0-9a-zA-Z_$]*[\r\n\t ]*(\@=/ nextgroup=jsFuncArgs skipwhite skipempty containedin=jsBlock contains=jsGenerator
-" syntax match   jsFuncName        contained /\%(,[\r\n\t ]*\)\@<=[*\r\n\t ]*[a-zA-Z_$][0-9a-zA-Z_$]*[\r\n\t ]*(\@=/ nextgroup=jsFuncArgs skipwhite skipempty containedin=jsBlock contains=jsGenerator
+syntax match   jsFuncName        contained /\%(^[\r\n\t ]*\)\@<=[*\r\n\t ]*[a-zA-Z_$][0-9a-zA-Z_$]*[\r\n\t ]*(\@=/ nextgroup=jsFuncArgs skipwhite skipempty containedin=jsObjectBlock contains=jsGenerator
+syntax match   jsFuncName        contained /\%(,[\r\n\t ]*\)\@<=[*\r\n\t ]*[a-zA-Z_$][0-9a-zA-Z_$]*[\r\n\t ]*(\@=/ nextgroup=jsFuncArgs skipwhite skipempty containedin=jsObjectBlock contains=jsGenerator
 syntax region  jsFuncArgs        contained matchgroup=jsFuncParens start='(' end=')' contains=jsFuncArgCommas,jsFuncArgRest,jsComment,jsLineComment,jsStringS,jsStringD,jsNumber,jsFuncArgDestructuring,jsArrowFunction,jsParen,jsArrowFuncArgs nextgroup=jsFuncBlock keepend skipwhite skipempty
 syntax match   jsFuncArgCommas   contained ','
 syntax match   jsFuncArgRest     contained /\%(\.\.\.[a-zA-Z_$][0-9a-zA-Z_$]*\))/ contains=jsFuncArgRestDots
@@ -305,6 +308,7 @@ if version >= 508 || !exists("did_javascript_syn_inits")
   HiLink jsFuncParens           Noise
   HiLink jsClassBraces          Noise
   HiLink jsClassNoise           Noise
+  HiLink jsObjectBraces         Noise
   HiLink jsSpecial              Special
   HiLink jsTemplateVar          Special
   HiLink jsTemplateBraces       jsBraces