static/highlight/languages/elm.js

   1 /*! `elm` grammar compiled for Highlight.js 11.11.1 */
   2   (function(){
   3     var hljsGrammar = (function () {
   4   'use strict';
   5
   6   /*
   7   Language: Elm
   8   Author: Janis Voigtlaender <janis.voigtlaender@gmail.com>
   9   Website: https://elm-lang.org
  10   Category: functional
  11   */
  12
  13   /** @type LanguageFn */
  14   function elm(hljs) {
  15     const COMMENT = { variants: [
  16       hljs.COMMENT('--', '$'),
  17       hljs.COMMENT(
  18         /\{-/,
  19         /-\}/,
  20         { contains: [ 'self' ] }
  21       )
  22     ] };
  23
  24     const CONSTRUCTOR = {
  25       className: 'type',
  26       begin: '\\b[A-Z][\\w\']*', // TODO: other constructors (built-in, infix).
  27       relevance: 0
  28     };
  29
  30     const LIST = {
  31       begin: '\\(',
  32       end: '\\)',
  33       illegal: '"',
  34       contains: [
  35         {
  36           className: 'type',
  37           begin: '\\b[A-Z][\\w]*(\\((\\.\\.|,|\\w+)\\))?'
  38         },
  39         COMMENT
  40       ]
  41     };
  42
  43     const RECORD = {
  44       begin: /\{/,
  45       end: /\}/,
  46       contains: LIST.contains
  47     };
  48
  49     const CHARACTER = {
  50       className: 'string',
  51       begin: '\'\\\\?.',
  52       end: '\'',
  53       illegal: '.'
  54     };
  55
  56     const KEYWORDS = [
  57       "let",
  58       "in",
  59       "if",
  60       "then",
  61       "else",
  62       "case",
  63       "of",
  64       "where",
  65       "module",
  66       "import",
  67       "exposing",
  68       "type",
  69       "alias",
  70       "as",
  71       "infix",
  72       "infixl",
  73       "infixr",
  74       "port",
  75       "effect",
  76       "command",
  77       "subscription"
  78     ];
  79
  80     return {
  81       name: 'Elm',
  82       keywords: KEYWORDS,
  83       contains: [
  84
  85         // Top-level constructions.
  86
  87         {
  88           beginKeywords: 'port effect module',
  89           end: 'exposing',
  90           keywords: 'port effect module where command subscription exposing',
  91           contains: [
  92             LIST,
  93             COMMENT
  94           ],
  95           illegal: '\\W\\.|;'
  96         },
  97         {
  98           begin: 'import',
  99           end: '$',
 100           keywords: 'import as exposing',
 101           contains: [
 102             LIST,
 103             COMMENT
 104           ],
 105           illegal: '\\W\\.|;'
 106         },
 107         {
 108           begin: 'type',
 109           end: '$',
 110           keywords: 'type alias',
 111           contains: [
 112             CONSTRUCTOR,
 113             LIST,
 114             RECORD,
 115             COMMENT
 116           ]
 117         },
 118         {
 119           beginKeywords: 'infix infixl infixr',
 120           end: '$',
 121           contains: [
 122             hljs.C_NUMBER_MODE,
 123             COMMENT
 124           ]
 125         },
 126         {
 127           begin: 'port',
 128           end: '$',
 129           keywords: 'port',
 130           contains: [ COMMENT ]
 131         },
 132
 133         // Literals and names.
 134         CHARACTER,
 135         hljs.QUOTE_STRING_MODE,
 136         hljs.C_NUMBER_MODE,
 137         CONSTRUCTOR,
 138         hljs.inherit(hljs.TITLE_MODE, { begin: '^[_a-z][\\w\']*' }),
 139         COMMENT,
 140
 141         { // No markup, relevance booster
 142           begin: '->|<-' }
 143       ],
 144       illegal: /;/
 145     };
 146   }
 147
 148   return elm;
 149
 150 })();
 151
 152     hljs.registerLanguage('elm', hljsGrammar);
 153   })();