fix: 避免每次云函数每次调用都重新初始化 nestjs app 实例，降低云函数时间

serverless-components · Mar 15, 2021 · 4fecfb4 · 4fecfb4
1 parent e0484f9
commit 4fecfb4
Showing 1 changed file with 7 additions and 3 deletions.
diff --git a/src/_shims/handler.js b/src/_shims/handler.js
@@ -3,12 +3,16 @@ const { createServer, proxy } = require('tencent-serverless-http')
 const userSls = path.join(__dirname, '..', 'sls.js')
 const getApp = require(userSls)
 
+let app
 let server
 
 exports.handler = async (event, context) => {
-  const nestApp = await getApp()
-  await nestApp.init()
-  const app = nestApp.getHttpAdapter().getInstance()
+
+  if (!app) {
+    const nestApp = await getApp()
+    await nestApp.init()
+    app = nestApp.getHttpAdapter().getInstance()
+  }
 
   // attach event and context to request
   app.request.__SLS_EVENT__ = event