Dataweave: Fixed keywords being highlighted as functions (#3113)

components/prism-dataweave.js

@@ -30,12 +30,12 @@
 			pattern: /\/(?:[^\\\/\r\n]|\\[^\r\n])+\//,
 			greedy: true
 		},
+		'keyword': /\b(?:and|as|at|case|do|else|fun|if|input|is|match|not|ns|null|or|output|type|unless|update|using|var)\b/,
 		'function': /\b[A-Z_]\w*(?=\s*\()/i,
 		'number': /-?\b\d+(?:\.\d+)?(?:e[+-]?\d+)?\b/i,
 		'punctuation': /[{}[\];(),.:@]/,
 		'operator': /<<|>>|->|[<>~=]=?|!=|--?-?|\+\+?|!|\?/,
 		'boolean': /\b(?:false|true)\b/,
-		'keyword': /\b(?:and|as|at|case|do|else|fun|if|input|is|match|not|ns|null|or|output|type|unless|update|using|var)\b/
 	};
 
 }(Prism));

tests/languages/dataweave/keywords_feature.test

@@ -15,11 +15,15 @@ update {
 if(true or false and not true) do {
 
 }
-else 
+else
 payload match {
     case a is String ->  x as String
 }
 
+null
+unless
+using
+
 ----------------------------------------------------
 
 [
@@ -89,7 +93,7 @@ payload match {
 
 	["punctuation", "}"],
 
-	["function", "if"],
+	["keyword", "if"],
 	["punctuation", "("],
 	["boolean", "true"],
 	["keyword", "or"],
@@ -105,7 +109,7 @@ payload match {
 
 	["keyword", "else"],
 
-	" \r\npayload ",
+	"\r\npayload ",
 	["keyword", "match"],
 	["punctuation", "{"],
 
@@ -118,7 +122,11 @@ payload match {
 	["keyword", "as"],
 	" String\r\n",
 
-	["punctuation", "}"]
+	["punctuation", "}"],
+
+	["keyword", "null"],
+	["keyword", "unless"],
+	["keyword", "using"]
 ]
 
 ----------------------------------------------------