Add highlight group specifically for object colons

jfelchner · jfelchner · commit 4e2e37755a03 · 2016-09-13T14:26:56.000-05:00
diff --git a/syntax/javascript.vim b/syntax/javascript.vim
@@ -75,11 +75,12 @@ endif
 syntax cluster jsRegexpSpecial    contains=jsSpecial,jsRegexpBoundary,jsRegexpBackRef,jsRegexpQuantifier,jsRegexpOr,jsRegexpMod
 
 syntax match   jsObjectKey         contained /\<[0-9a-zA-Z_$]*\>\(\s*:\)\@=/ contains=jsFunctionKey skipwhite skipempty nextgroup=jsObjectValue
+syntax match   jsObjectColon       contained /:/ skipwhite skipempty
 syntax region  jsObjectKeyString   contained start=+"+  skip=+\\\("\|$\)+  end=+"\|$+  contains=jsSpecial,@Spell skipwhite skipempty nextgroup=jsObjectValue
 syntax region  jsObjectKeyString   contained start=+'+  skip=+\\\('\|$\)+  end=+'\|$+  contains=jsSpecial,@Spell skipwhite skipempty nextgroup=jsObjectValue
 syntax region  jsObjectKeyComputed contained matchgroup=jsBrackets start=/\[/ end=/]/ contains=@jsExpression skipwhite skipempty nextgroup=jsObjectValue,jsFuncArgs extend
 syntax match   jsObjectSeparator   contained /,/
-syntax region  jsObjectValue       contained start=/:/ end=/\%(,\|}\)\@=/ contains=@jsExpression extend
+syntax region  jsObjectValue       contained start=/:/ end=/\%(,\|}\)\@=/ contains=jsObjectColon,@jsExpression extend
 syntax match   jsObjectFuncName    contained /\<[a-zA-Z_$][0-9a-zA-Z_$]*\>[\r\n\t ]*(\@=/ skipwhite skipempty nextgroup=jsFuncArgs
 syntax match   jsFunctionKey       contained /\<[a-zA-Z_$][0-9a-zA-Z_$]*\>\(\s*:\s*function\s*\)\@=/
 syntax match   jsObjectMethodType  contained /\%(get\|set\|static\|async\)\%( \k\+\)\@=/ skipwhite skipempty nextgroup=jsObjectFuncName
@@ -285,6 +286,7 @@ if version >= 508 || !exists("did_javascript_syn_inits")
   HiLink jsFloat                Float
   HiLink jsBooleanTrue          Boolean
   HiLink jsBooleanFalse         Boolean
+  HiLink jsObjectColon          jsNoise
   HiLink jsNoise                Noise
   HiLink jsBrackets             Noise
   HiLink jsParens               Noise
