static/highlight/es/languages/json.js

   1 /*! `json` grammar compiled for Highlight.js 11.11.1 */
   2 var hljsGrammar = (function () {
   3   'use strict';
   4
   5   /*
   6   Language: JSON
   7   Description: JSON (JavaScript Object Notation) is a lightweight data-interchange format.
   8   Author: Ivan Sagalaev <maniac@softwaremaniacs.org>
   9   Website: http://www.json.org
  10   Category: common, protocols, web
  11   */
  12
  13   function json(hljs) {
  14     const ATTRIBUTE = {
  15       className: 'attr',
  16       begin: /"(\\.|[^\\"\r\n])*"(?=\s*:)/,
  17       relevance: 1.01
  18     };
  19     const PUNCTUATION = {
  20       match: /[{}[\],:]/,
  21       className: "punctuation",
  22       relevance: 0
  23     };
  24     const LITERALS = [
  25       "true",
  26       "false",
  27       "null"
  28     ];
  29     // NOTE: normally we would rely on `keywords` for this but using a mode here allows us
  30     // - to use the very tight `illegal: \S` rule later to flag any other character
  31     // - as illegal indicating that despite looking like JSON we do not truly have
  32     // - JSON and thus improve false-positively greatly since JSON will try and claim
  33     // - all sorts of JSON looking stuff
  34     const LITERALS_MODE = {
  35       scope: "literal",
  36       beginKeywords: LITERALS.join(" "),
  37     };
  38
  39     return {
  40       name: 'JSON',
  41       aliases: ['jsonc'],
  42       keywords:{
  43         literal: LITERALS,
  44       },
  45       contains: [
  46         ATTRIBUTE,
  47         PUNCTUATION,
  48         hljs.QUOTE_STRING_MODE,
  49         LITERALS_MODE,
  50         hljs.C_NUMBER_MODE,
  51         hljs.C_LINE_COMMENT_MODE,
  52         hljs.C_BLOCK_COMMENT_MODE
  53       ],
  54       illegal: '\\S'
  55     };
  56   }
  57
  58   return json;
  59
  60 })();
  61 ;
  62 export default hljsGrammar;