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node_modules/highlight.js/lib/languages/elm.js

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+/*
+Language: Elm
+Author: Janis Voigtlaender <janis.voigtlaender@gmail.com>
+Website: https://elm-lang.org
+Category: functional
+*/
+
+/** @type LanguageFn */
+function elm(hljs) {
+  const COMMENT = {
+    variants: [
+      hljs.COMMENT('--', '$'),
+      hljs.COMMENT(
+        /\{-/,
+        /-\}/,
+        {
+          contains: ['self']
+        }
+      )
+    ]
+  };
+
+  const CONSTRUCTOR = {
+    className: 'type',
+    begin: '\\b[A-Z][\\w\']*', // TODO: other constructors (built-in, infix).
+    relevance: 0
+  };
+
+  const LIST = {
+    begin: '\\(',
+    end: '\\)',
+    illegal: '"',
+    contains: [
+      {
+        className: 'type',
+        begin: '\\b[A-Z][\\w]*(\\((\\.\\.|,|\\w+)\\))?'
+      },
+      COMMENT
+    ]
+  };
+
+  const RECORD = {
+    begin: /\{/,
+    end: /\}/,
+    contains: LIST.contains
+  };
+
+  const CHARACTER = {
+    className: 'string',
+    begin: '\'\\\\?.',
+    end: '\'',
+    illegal: '.'
+  };
+
+  return {
+    name: 'Elm',
+    keywords:
+      'let in if then else case of where module import exposing ' +
+      'type alias as infix infixl infixr port effect command subscription',
+    contains: [
+
+      // Top-level constructions.
+
+      {
+        beginKeywords: 'port effect module',
+        end: 'exposing',
+        keywords: 'port effect module where command subscription exposing',
+        contains: [
+          LIST,
+          COMMENT
+        ],
+        illegal: '\\W\\.|;'
+      },
+      {
+        begin: 'import',
+        end: '$',
+        keywords: 'import as exposing',
+        contains: [
+          LIST,
+          COMMENT
+        ],
+        illegal: '\\W\\.|;'
+      },
+      {
+        begin: 'type',
+        end: '$',
+        keywords: 'type alias',
+        contains: [
+          CONSTRUCTOR,
+          LIST,
+          RECORD,
+          COMMENT
+        ]
+      },
+      {
+        beginKeywords: 'infix infixl infixr',
+        end: '$',
+        contains: [
+          hljs.C_NUMBER_MODE,
+          COMMENT
+        ]
+      },
+      {
+        begin: 'port',
+        end: '$',
+        keywords: 'port',
+        contains: [COMMENT]
+      },
+
+      // Literals and names.
+
+      CHARACTER,
+      hljs.QUOTE_STRING_MODE,
+      hljs.C_NUMBER_MODE,
+      CONSTRUCTOR,
+      hljs.inherit(hljs.TITLE_MODE, {
+        begin: '^[_a-z][\\w\']*'
+      }),
+      COMMENT,
+
+      {
+        begin: '->|<-'
+      } // No markup, relevance booster
+    ],
+    illegal: /;/
+  };
+}
+
+module.exports = elm;