aboutsummaryrefslogtreecommitdiff
path: root/node_modules/vary/index.js
diff options
context:
space:
mode:
authornanalelfe <nargiza.nosirova@mail.utoronto.ca>2016-07-28 02:20:52 +0000
committernanalelfe <nargiza.nosirova@mail.utoronto.ca>2016-07-28 02:20:52 +0000
commit4cff38c8f7b65dab1fd72ea835ea7288327d1056 (patch)
treeac93acd69e77eef1e352af953d56238d70ea9c5d /node_modules/vary/index.js
parente11dd98c9a55cd1742d221e3b1ea90d31e240fa8 (diff)
Fixed admin bug
Diffstat (limited to 'node_modules/vary/index.js')
-rw-r--r--node_modules/vary/index.js124
1 files changed, 0 insertions, 124 deletions
diff --git a/node_modules/vary/index.js b/node_modules/vary/index.js
deleted file mode 100644
index 21dbaf1..0000000
--- a/node_modules/vary/index.js
+++ /dev/null
@@ -1,124 +0,0 @@
-/*!
- * vary
- * Copyright(c) 2014-2015 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 = "!" / "#" / "$" / "%" / "&" / "'" / "*"
- * / "+" / "-" / "." / "^" / "_" / "`" / "|" / "~"
- * / DIGIT / ALPHA
- * ; any VCHAR, except delimiters
- */
-
-var fieldNameRegExp = /^[!#$%&'\*\+\-\.\^_`\|~0-9A-Za-z]+$/
-
-/**
- * Append a field to a vary header.
- *
- * @param {String} header
- * @param {String|Array} field
- * @return {String}
- * @api 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 i = 0; i < fields.length; i++) {
- if (!fieldNameRegExp.test(fields[i])) {
- 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}
- * @api private
- */
-
-function parse(header) {
- return header.trim().split(/ *, */);
-}
-
-/**
- * Mark that a request is varied on a header field.
- *
- * @param {Object} res
- * @param {String|Array} field
- * @api 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);
- }
-}