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-rw-r--r--dgbuilder/dgeflows/node_modules/serve-favicon/index.js167
1 files changed, 0 insertions, 167 deletions
diff --git a/dgbuilder/dgeflows/node_modules/serve-favicon/index.js b/dgbuilder/dgeflows/node_modules/serve-favicon/index.js
deleted file mode 100644
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--- a/dgbuilder/dgeflows/node_modules/serve-favicon/index.js
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@@ -1,167 +0,0 @@
-/*!
- * serve-favicon
- * Copyright(c) 2010 Sencha Inc.
- * Copyright(c) 2011 TJ Holowaychuk
- * Copyright(c) 2014 Douglas Christopher Wilson
- * MIT Licensed
- */
-
-/**
- * Module dependencies.
- * @private
- */
-
-var etag = require('etag');
-var fresh = require('fresh');
-var fs = require('fs');
-var ms = require('ms');
-var parseUrl = require('parseurl');
-var path = require('path');
-var resolve = path.resolve;
-
-/**
- * Module variables.
- * @private
- */
-
-var maxMaxAge = 60 * 60 * 24 * 365 * 1000; // 1 year
-
-/**
- * Serves the favicon located by the given `path`.
- *
- * @public
- * @param {String|Buffer} path
- * @param {Object} options
- * @return {Function} middleware
- */
-
-module.exports = function favicon(path, options){
- options = options || {};
-
- var buf;
- var icon; // favicon cache
- var maxAge = calcMaxAge(options.maxAge);
- var stat;
-
- if (!path) throw new TypeError('path to favicon.ico is required');
-
- if (Buffer.isBuffer(path)) {
- buf = new Buffer(path.length);
- path.copy(buf);
-
- icon = createIcon(buf, maxAge);
- } else if (typeof path === 'string') {
- path = resolve(path);
- stat = fs.statSync(path);
- if (stat.isDirectory()) throw createIsDirError(path);
- } else {
- throw new TypeError('path to favicon.ico must be string or buffer');
- }
-
- return function favicon(req, res, next){
- if (parseUrl(req).pathname !== '/favicon.ico') {
- next();
- return;
- }
-
- if ('GET' !== req.method && 'HEAD' !== req.method) {
- var status = 'OPTIONS' === req.method ? 200 : 405;
- res.writeHead(status, {'Allow': 'GET, HEAD, OPTIONS'});
- res.end();
- return;
- }
-
- if (icon) return send(req, res, icon);
-
- fs.readFile(path, function(err, buf){
- if (err) return next(err);
- icon = createIcon(buf, maxAge);
- send(req, res, icon);
- });
- };
-};
-
-/**
- * Calculate the max-age from a configured value.
- *
- * @private
- * @param {string|number} val
- * @return {number}
- */
-
-function calcMaxAge(val) {
- var num = typeof val === 'string'
- ? ms(val)
- : val;
-
- return num != null
- ? Math.min(Math.max(0, num), maxMaxAge)
- : maxMaxAge
-}
-
-/**
- * Create icon data from Buffer and max-age.
- *
- * @private
- * @param {Buffer} buf
- * @param {number} maxAge
- * @return {object}
- */
-
-function createIcon(buf, maxAge) {
- return {
- body: buf,
- headers: {
- 'Cache-Control': 'public, max-age=' + ~~(maxAge / 1000),
- 'ETag': etag(buf)
- }
- };
-}
-
-/**
- * Create EISDIR error.
- *
- * @private
- * @param {string} path
- * @return {Error}
- */
-
-function createIsDirError(path) {
- var error = new Error('EISDIR, illegal operation on directory \'' + path + '\'');
- error.code = 'EISDIR';
- error.errno = 28;
- error.path = path;
- error.syscall = 'open';
- return error;
-}
-
-/**
- * Send icon data in response to a request.
- *
- * @private
- * @param {IncomingMessage} req
- * @param {OutgoingMessage} res
- * @param {object} icon
- */
-
-function send(req, res, icon) {
- var headers = icon.headers;
-
- // Set headers
- var keys = Object.keys(headers);
- for (var i = 0; i < keys.length; i++) {
- var key = keys[i];
- res.setHeader(key, headers[key]);
- }
-
- if (fresh(req.headers, res._headers)) {
- res.statusCode = 304;
- res.end();
- return;
- }
-
- res.statusCode = 200;
- res.setHeader('Content-Length', icon.body.length);
- res.setHeader('Content-Type', 'image/x-icon');
- res.end(icon.body);
-}