fix

book/node_modules/highlight.js/lib/languages/apache.js

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+/*
+Language: Apache config
+Author: Ruslan Keba <rukeba@gmail.com>
+Contributors: Ivan Sagalaev <maniac@softwaremaniacs.org>
+Website: https://httpd.apache.org
+Description: language definition for Apache configuration files (httpd.conf & .htaccess)
+Category: config, web
+Audit: 2020
+*/
+
+/** @type LanguageFn */
+function apache(hljs) {
+  const NUMBER_REF = {
+    className: 'number',
+    begin: /[$%]\d+/
+  };
+  const NUMBER = {
+    className: 'number',
+    begin: /\b\d+/
+  };
+  const IP_ADDRESS = {
+    className: "number",
+    begin: /\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}(:\d{1,5})?/
+  };
+  const PORT_NUMBER = {
+    className: "number",
+    begin: /:\d{1,5}/
+  };
+  return {
+    name: 'Apache config',
+    aliases: [ 'apacheconf' ],
+    case_insensitive: true,
+    contains: [
+      hljs.HASH_COMMENT_MODE,
+      {
+        className: 'section',
+        begin: /<\/?/,
+        end: />/,
+        contains: [
+          IP_ADDRESS,
+          PORT_NUMBER,
+          // low relevance prevents us from claming XML/HTML where this rule would
+          // match strings inside of XML tags
+          hljs.inherit(hljs.QUOTE_STRING_MODE, { relevance: 0 })
+        ]
+      },
+      {
+        className: 'attribute',
+        begin: /\w+/,
+        relevance: 0,
+        // keywords aren’t needed for highlighting per se, they only boost relevance
+        // for a very generally defined mode (starts with a word, ends with line-end
+        keywords: { _: [
+          "order",
+          "deny",
+          "allow",
+          "setenv",
+          "rewriterule",
+          "rewriteengine",
+          "rewritecond",
+          "documentroot",
+          "sethandler",
+          "errordocument",
+          "loadmodule",
+          "options",
+          "header",
+          "listen",
+          "serverroot",
+          "servername"
+        ] },
+        starts: {
+          end: /$/,
+          relevance: 0,
+          keywords: { literal: 'on off all deny allow' },
+          contains: [
+            {
+              scope: "punctuation",
+              match: /\\\n/
+            },
+            {
+              className: 'meta',
+              begin: /\s\[/,
+              end: /\]$/
+            },
+            {
+              className: 'variable',
+              begin: /[\$%]\{/,
+              end: /\}/,
+              contains: [
+                'self',
+                NUMBER_REF
+              ]
+            },
+            IP_ADDRESS,
+            NUMBER,
+            hljs.QUOTE_STRING_MODE
+          ]
+        }
+      }
+    ],
+    illegal: /\S/
+  };
+}
+
+module.exports = apache;