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frontend/node_modules/refractor/lang/erb.js

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+'use strict'
+var refractorRuby = require('./ruby.js')
+var refractorMarkupTemplating = require('./markup-templating.js')
+module.exports = erb
+erb.displayName = 'erb'
+erb.aliases = []
+function erb(Prism) {
+  Prism.register(refractorRuby)
+  Prism.register(refractorMarkupTemplating)
+  ;(function (Prism) {
+    Prism.languages.erb = {
+      delimiter: {
+        pattern: /^(\s*)<%=?|%>(?=\s*$)/,
+        lookbehind: true,
+        alias: 'punctuation'
+      },
+      ruby: {
+        pattern: /\s*\S[\s\S]*/,
+        alias: 'language-ruby',
+        inside: Prism.languages.ruby
+      }
+    }
+    Prism.hooks.add('before-tokenize', function (env) {
+      var erbPattern =
+        /<%=?(?:[^\r\n]|[\r\n](?!=begin)|[\r\n]=begin\s(?:[^\r\n]|[\r\n](?!=end))*[\r\n]=end)+?%>/g
+      Prism.languages['markup-templating'].buildPlaceholders(
+        env,
+        'erb',
+        erbPattern
+      )
+    })
+    Prism.hooks.add('after-tokenize', function (env) {
+      Prism.languages['markup-templating'].tokenizePlaceholders(env, 'erb')
+    })
+  })(Prism)
+}