1 files changed, 0 insertions, 149 deletions
diff --git a/backend/node_modules/vary/index.js b/backend/node_modules/vary/index.js
deleted file mode 100644
index 5b5e741..0000000
--- a/backend/node_modules/vary/index.js
+++ /dev/null
@@ -1,149 +0,0 @@
-/*!
- * vary
- * Copyright(c) 2014-2017 Douglas Christopher Wilson
- * MIT Licensed
- */
-
-'use strict'
-
-/**
- * Module exports.
- */
-
-module.exports = vary
-module.exports.append = append
-
-/**
- * RegExp to match field-name in RFC 7230 sec 3.2
- *
- * field-name    = token
- * token         = 1*tchar
- * tchar         = "!" / "#" / "$" / "%" / "&" / "'" / "*"
- *               / "+" / "-" / "." / "^" / "_" / "`" / "|" / "~"
- *               / DIGIT / ALPHA
- *               ; any VCHAR, except delimiters
- */
-
-var FIELD_NAME_REGEXP = /^[!#$%&'*+\-.^_`|~0-9A-Za-z]+$/
-
-/**
- * Append a field to a vary header.
- *
- * @param {String} header
- * @param {String|Array} field
- * @return {String}
- * @public
- */
-
-function append (header, field) {
-  if (typeof header !== 'string') {
-    throw new TypeError('header argument is required')
-  }
-
-  if (!field) {
-    throw new TypeError('field argument is required')
-  }
-
-  // get fields array
-  var fields = !Array.isArray(field)
-    ? parse(String(field))
-    : field
-
-  // assert on invalid field names
-  for (var j = 0; j < fields.length; j++) {
-    if (!FIELD_NAME_REGEXP.test(fields[j])) {
-      throw new TypeError('field argument contains an invalid header name')
-    }
-  }
-
-  // existing, unspecified vary
-  if (header === '*') {
-    return header
-  }
-
-  // enumerate current values
-  var val = header
-  var vals = parse(header.toLowerCase())
-
-  // unspecified vary
-  if (fields.indexOf('*') !== -1 || vals.indexOf('*') !== -1) {
-    return '*'
-  }
-
-  for (var i = 0; i < fields.length; i++) {
-    var fld = fields[i].toLowerCase()
-
-    // append value (case-preserving)
-    if (vals.indexOf(fld) === -1) {
-      vals.push(fld)
-      val = val
-        ? val + ', ' + fields[i]
-        : fields[i]
-    }
-  }
-
-  return val
-}
-
-/**
- * Parse a vary header into an array.
- *
- * @param {String} header
- * @return {Array}
- * @private
- */
-
-function parse (header) {
-  var end = 0
-  var list = []
-  var start = 0
-
-  // gather tokens
-  for (var i = 0, len = header.length; i < len; i++) {
-    switch (header.charCodeAt(i)) {
-      case 0x20: /*   */
-        if (start === end) {
-          start = end = i + 1
-        }
-        break
-      case 0x2c: /* , */
-        list.push(header.substring(start, end))
-        start = end = i + 1
-        break
-      default:
-        end = i + 1
-        break
-    }
-  }
-
-  // final token
-  list.push(header.substring(start, end))
-
-  return list
-}
-
-/**
- * Mark that a request is varied on a header field.
- *
- * @param {Object} res
- * @param {String|Array} field
- * @public
- */
-
-function vary (res, field) {
-  if (!res || !res.getHeader || !res.setHeader) {
-    // quack quack
-    throw new TypeError('res argument is required')
-  }
-
-  // get existing header
-  var val = res.getHeader('Vary') || ''
-  var header = Array.isArray(val)
-    ? val.join(', ')
-    : String(val)
-
-  // set new header
-  if ((val = append(header, field))) {
-    res.setHeader('Vary', val)
-  }
-}