diff options
Diffstat (limited to 'dgbuilder/dgeflows/node_modules/express/node_modules/fresh/index.js')
-rw-r--r-- | dgbuilder/dgeflows/node_modules/express/node_modules/fresh/index.js | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/dgbuilder/dgeflows/node_modules/express/node_modules/fresh/index.js b/dgbuilder/dgeflows/node_modules/express/node_modules/fresh/index.js deleted file mode 100644 index 9c3f47d1..00000000 --- a/dgbuilder/dgeflows/node_modules/express/node_modules/fresh/index.js +++ /dev/null @@ -1,53 +0,0 @@ - -/** - * Expose `fresh()`. - */ - -module.exports = fresh; - -/** - * Check freshness of `req` and `res` headers. - * - * When the cache is "fresh" __true__ is returned, - * otherwise __false__ is returned to indicate that - * the cache is now stale. - * - * @param {Object} req - * @param {Object} res - * @return {Boolean} - * @api public - */ - -function fresh(req, res) { - // defaults - var etagMatches = true; - var notModified = true; - - // fields - var modifiedSince = req['if-modified-since']; - var noneMatch = req['if-none-match']; - var lastModified = res['last-modified']; - var etag = res['etag']; - var cc = req['cache-control']; - - // unconditional request - if (!modifiedSince && !noneMatch) return false; - - // check for no-cache cache request directive - if (cc && cc.indexOf('no-cache') !== -1) return false; - - // parse if-none-match - if (noneMatch) noneMatch = noneMatch.split(/ *, */); - - // if-none-match - if (noneMatch) etagMatches = ~noneMatch.indexOf(etag) || '*' == noneMatch[0]; - - // if-modified-since - if (modifiedSince) { - modifiedSince = new Date(modifiedSince); - lastModified = new Date(lastModified); - notModified = lastModified <= modifiedSince; - } - - return !! (etagMatches && notModified); -}
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