Index: frontend/node_modules/compressible/index.js
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--- frontend/node_modules/compressible/index.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/compressible/index.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
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+/*!
+ * compressible
+ * Copyright(c) 2013 Jonathan Ong
+ * Copyright(c) 2014 Jeremiah Senkpiel
+ * Copyright(c) 2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var db = require('mime-db')
+
+/**
+ * Module variables.
+ * @private
+ */
+
+var COMPRESSIBLE_TYPE_REGEXP = /^text\/|\+(?:json|text|xml)$/i
+var EXTRACT_TYPE_REGEXP = /^\s*([^;\s]*)(?:;|\s|$)/
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = compressible
+
+/**
+ * Checks if a type is compressible.
+ *
+ * @param {string} type
+ * @return {Boolean} compressible
+ * @public
+ */
+
+function compressible (type) {
+  if (!type || typeof type !== 'string') {
+    return false
+  }
+
+  // strip parameters
+  var match = EXTRACT_TYPE_REGEXP.exec(type)
+  var mime = match && match[1].toLowerCase()
+  var data = db[mime]
+
+  // return database information
+  if (data && data.compressible !== undefined) {
+    return data.compressible
+  }
+
+  // fallback to regexp or unknown
+  return COMPRESSIBLE_TYPE_REGEXP.test(mime) || undefined
+}