fix(JSON) null/booleans are keywords but should be literals

Author: shikhar13012001

Diff for: CHANGES.md

@@ -6,7 +6,7 @@ Supported Node.js versions:
 
 
 Grammars:
-
+- fix(json) changed null/booleans from `keyword` to `literal` [shikhar13012001][]
 - enh(gml) reorganized and added additional keywords [Bluecoreg][]
 - enh(csharp) Added support for the new `scoped` keyword in C# (#3571) [David Pine][]
 - enh(scala) add `transparent` keyword [Matt Bovel][]
@@ -22,6 +22,7 @@ Grammars:
 - Added 3rd party Oak grammar to SUPPORTED_LANGUAGES [Tim Smith][]
 - enh(python) add `match` and `case` keywords [Avrumy Lunger][]
 
+[shikhar13012001]: https://github.com/shikhar13012001
 [Bluecoreg]: https://github.com/Bluecoreg
 [Matt Bovel]: https://github.com/mbovel
 [David Schach]: https://github.com/dschach

Diff for: package-lock.json

@@ -17,24 +17,31 @@ export default function(hljs) {
     className: "punctuation",
     relevance: 0
   };
-  // normally we would rely on `keywords` for this but using a mode here allows us
-  // to use the very tight `illegal: \S` rule later to flag any other character
-  // as illegal indicating that despite looking like JSON we do not truly have
-  // JSON and thus improve false-positively greatly since JSON will try and claim
-  // all sorts of JSON looking stuff
-  const LITERALS = { beginKeywords: [
+  const LITERALS = [
     "true",
     "false",
     "null"
-  ].join(" ") };
+  ];
+  // NOTE: normally we would rely on `keywords` for this but using a mode here allows us
+  // - to use the very tight `illegal: \S` rule later to flag any other character
+  // - as illegal indicating that despite looking like JSON we do not truly have
+  // - JSON and thus improve false-positively greatly since JSON will try and claim
+  // - all sorts of JSON looking stuff
+  const LITERALS_MODE = {
+    scope: "literal",
+    beginKeywords: LITERALS.join(" "),
+  };
 
   return {
     name: 'JSON',
+    keywords:{
+      literal: LITERALS,
+    },
     contains: [
       ATTRIBUTE,
       PUNCTUATION,
       hljs.QUOTE_STRING_MODE,
-      LITERALS,
+      LITERALS_MODE,
       hljs.C_NUMBER_MODE,
       hljs.C_LINE_COMMENT_MODE,
       hljs.C_BLOCK_COMMENT_MODE

Diff for: src/languages/json.js

@@ -3,5 +3,5 @@
 <span class="hljs-attribute">Content-Type</span><span class="hljs-punctuation">: </span>application/json; charset=utf-8
 <span class="hljs-attribute">Content-Length</span><span class="hljs-punctuation">: </span>19
 
-<span class="language-json"><span class="hljs-punctuation">{</span><span class="hljs-attr">&quot;status&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-string">&quot;ok&quot;</span><span class="hljs-punctuation">,</span> <span class="hljs-attr">&quot;extended&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-keyword">true</span><span class="hljs-punctuation">}</span>
-</span>
+<span class="language-json"><span class="hljs-punctuation">{</span><span class="hljs-attr">&quot;status&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-string">&quot;ok&quot;</span><span class="hljs-punctuation">,</span> <span class="hljs-attr">&quot;extended&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-literal"><span class="hljs-keyword">true</span></span><span class="hljs-punctuation">}</span>
+</span>

Diff for: test/markup/http/default.expect.txt

@@ -3,12 +3,12 @@
   <span class="hljs-punctuation">{</span>
     <span class="hljs-attr">&quot;title&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-string">&quot;apples&quot;</span><span class="hljs-punctuation">,</span> <span class="hljs-comment">// yum</span>
     <span class="hljs-attr">&quot;count&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">[</span><span class="hljs-number">12000</span><span class="hljs-punctuation">,</span> <span class="hljs-number">20000</span><span class="hljs-punctuation">]</span><span class="hljs-punctuation">,</span> <span class="hljs-comment">/* so many? */</span>
-    <span class="hljs-attr">&quot;description&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span><span class="hljs-attr">&quot;text&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-string">&quot;...&quot;</span><span class="hljs-punctuation">,</span> <span class="hljs-attr">&quot;sensitive&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-keyword">false</span><span class="hljs-punctuation">}</span>
+    <span class="hljs-attr">&quot;description&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span><span class="hljs-attr">&quot;text&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-string">&quot;...&quot;</span><span class="hljs-punctuation">,</span> <span class="hljs-attr">&quot;sensitive&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-literal"><span class="hljs-keyword">false</span></span><span class="hljs-punctuation">}</span>
   <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span>
   <span class="hljs-punctuation">{</span>
     <span class="hljs-attr">&quot;title&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-string">&quot;oranges&quot;</span><span class="hljs-punctuation">,</span>
-    <span class="hljs-attr">&quot;count&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">[</span><span class="hljs-number">17500</span><span class="hljs-punctuation">,</span> <span class="hljs-keyword">null</span><span class="hljs-punctuation">]</span><span class="hljs-punctuation">,</span>
-    <span class="hljs-attr">&quot;description&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span><span class="hljs-attr">&quot;text&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-string">&quot;...&quot;</span><span class="hljs-punctuation">,</span> <span class="hljs-attr">&quot;sensitive&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-keyword">false</span><span class="hljs-punctuation">}</span>
+    <span class="hljs-attr">&quot;count&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">[</span><span class="hljs-number">17500</span><span class="hljs-punctuation">,</span> <span class="hljs-literal"><span class="hljs-keyword">null</span></span><span class="hljs-punctuation">]</span><span class="hljs-punctuation">,</span>
+    <span class="hljs-attr">&quot;description&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span><span class="hljs-attr">&quot;text&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-string">&quot;...&quot;</span><span class="hljs-punctuation">,</span> <span class="hljs-attr">&quot;sensitive&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-literal"><span class="hljs-keyword">false</span></span><span class="hljs-punctuation">}</span>
   <span class="hljs-punctuation">}</span>
   <span class="hljs-comment">// {</span>
   <span class="hljs-comment">//   &quot;title&quot; : &quot;brocolli&quot;</span>