Add `Last-Modified' headers to improve caching

2016-07-26 10:24:53 +08:00
parent d465142275
commit dbaca66b2c
2 changed files with 6 additions and 0 deletions
@@ -11,6 +11,8 @@ var clone = require('clone'),
 module.exports = function(options, allowedFonts) {
  var app = express().disable('x-powered-by');

+  var lastModified = new Date().toUTCString();
+
  var fontPath = options.paths.fonts;

  var getFontPbf = function(name, range, callback) {
@@ -51,6 +53,7 @@ module.exports = function(options, allowedFonts) {
        return res.status(400).send('');
      } else {
        res.header('Content-type', 'application/x-protobuf');
+        res.header('Last-Modified', lastModified);
        return res.send(concated);
      }
    });