fatsify核心功能示例测试!!!

node_modules/fastify/lib/headRoute.js

@@ -0,0 +1,33 @@
+'use strict'
+function headRouteOnSendHandler (req, reply, payload, done) {
+  // If payload is undefined
+  if (payload === undefined) {
+    reply.header('content-length', '0')
+    done(null, null)
+    return
+  }
+
+  if (typeof payload.resume === 'function') {
+    payload.on('error', (err) => {
+      reply.log.error({ err }, 'Error on Stream found for HEAD route')
+    })
+    payload.resume()
+    done(null, null)
+    return
+  }
+
+  const size = '' + Buffer.byteLength(payload)
+
+  reply.header('content-length', size)
+
+  done(null, null)
+}
+
+function parseHeadOnSendHandlers (onSendHandlers) {
+  if (onSendHandlers == null) return headRouteOnSendHandler
+  return Array.isArray(onSendHandlers) ? [...onSendHandlers, headRouteOnSendHandler] : [onSendHandlers, headRouteOnSendHandler]
+}
+
+module.exports = {
+  parseHeadOnSendHandlers
+}