chore(ts): move an exception handler in order to catch exceptions fro…

…m custom routes

Part of #27
Relate to #48

examples/ts/express/mysql/app.ts

@@ -1,4 +1,5 @@
 import express from 'express'
+import { NextFunction, Request, Response } from 'express'
 import mysql from 'mysql'
 
 const routes = require('./routes')
@@ -37,6 +38,11 @@ const pool = mysql.createPool({
 routes.register(app, pool)
 custom_routes.register(app, pool)
 
+app.use((error: any, req: Request, res: Response, next: NextFunction) => {
+    console.error(error)
+    res.status(500).json({ "error": "Internal Server Error" })
+})
+
 const port = process.env.PORT || 3000
 app.listen(port, () => {
     console.log(`Listen on ${port}`)

examples/ts/express/mysql/custom_routes.ts

@@ -7,4 +7,8 @@ exports.register = (app: Express, pool: Pool) => {
         res.json({ "custom": true })
     })
 
+    app.get('/custom/exception', (req: Request, res: Response, next: NextFunction) => {
+        throw new Error('expected err')
+    })
+
 }

examples/ts/express/mysql/routes.ts

@@ -192,10 +192,6 @@ const register = (app: Express, pool: Pool) => {
         )
     })
 
-    app.use((error: any, req: Request, res: Response, next: NextFunction) => {
-        console.error(error)
-        res.status(500).json({ "error": "Internal Server Error" })
-    })
 }
 
 exports.register = register

src/templates/app.ts.ejs

@@ -5,6 +5,7 @@ function removeExtension(filename) {
 }
 -%>
 import express from 'express'
+import { NextFunction, Request, Response } from 'express'
 import mysql from 'mysql'
 
 const routes = require('./routes')
@@ -53,6 +54,11 @@ routes.register(app, pool)
 <%- routerName %>.register(app, pool)
 <% }) -%>
 
+app.use((error: any, req: Request, res: Response, next: NextFunction) => {
+    console.error(error)
+    res.status(500).json({ "error": "Internal Server Error" })
+})
+
 const port = process.env.PORT || 3000
 app.listen(port, () => {
     console.log(`Listen on ${port}`)

src/templates/routes.ts.ejs

@@ -89,10 +89,6 @@ endpoints.forEach(function(endpoint) {
     })
 })
 %>
-    app.use((error: any, req: Request, res: Response, next: NextFunction) => {
-        console.error(error)
-        res.status(500).json({ "error": "Internal Server Error" })
-    })
 }
 
 exports.register = register