Code files

Chapter01/enhancing-stack-traces/app/content.js

@@ -0,0 +1,5 @@
+function content (opts, c = 20) {
+  return --c ? content(opts, c) : opts.ohoh
+}
+
+module.exports = content

Chapter01/enhancing-stack-traces/app/index.js

@@ -0,0 +1,7 @@
+const express = require('express')
+const routes = require('./routes')
+const app = express()
+
+app.use(routes)
+
+app.listen(3000)

Chapter01/enhancing-stack-traces/app/package.json

@@ -0,0 +1,15 @@
+{
+  "name": "app",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.15.2"
+  }
+}

Chapter01/enhancing-stack-traces/app/routes.js

@@ -0,0 +1,9 @@
+const content = require('./content')
+const {Router} = require('express')
+const router = new Router()
+
+router.get('/', (req, res) => {
+  res.send(content())
+})
+
+module.exports = router

Chapter01/enhancing-stack-traces/async-stack-app/content.js

@@ -0,0 +1,9 @@
+function content (opts, c = 20) {
+  function produce (cb) {
+    if (--c) setTimeout(produce, 10, cb)
+    cb(null, opts.ohoh)
+  }
+  return produce
+}
+
+module.exports = content

Chapter01/enhancing-stack-traces/async-stack-app/index.js

@@ -0,0 +1,10 @@
+if (process.env.NODE_ENV !== 'production') {
+  require('longjohn')
+}
+const express = require('express')
+const routes = require('./routes')
+const app = express()
+
+app.use(routes)
+
+app.listen(3000)

Chapter01/enhancing-stack-traces/async-stack-app/package.json

@@ -0,0 +1,18 @@
+{
+  "name": "app",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.15.2"
+  },
+  "devDependencies": {
+    "longjohn": "^0.2.12"
+  }
+}

Chapter01/enhancing-stack-traces/async-stack-app/routes.js

@@ -0,0 +1,15 @@
+const content = require('./content')
+const {Router} = require('express')
+const router = new Router()
+
+router.get('/', (req, res) => {
+  content()((err, html) => { 
+    if (err) {
+      res.send(500)
+      return
+    } 
+    res.send(html)
+  })
+})
+
+module.exports = router

Chapter01/enhancing-stack-traces/infinite-stack-in-dev-app/content.js

@@ -0,0 +1,5 @@
+function content (opts, c = 20) {
+  return --c ? content(opts, c) : opts.ohoh
+}
+
+module.exports = content

Chapter01/enhancing-stack-traces/infinite-stack-in-dev-app/index.js

@@ -0,0 +1,10 @@
+if (process.env.NODE_ENV !== 'production') {
+  Error.stackTraceLimit = Infinity
+}
+const express = require('express')
+const routes = require('./routes')
+const app = express()
+
+app.use(routes)
+
+app.listen(3000)

Chapter01/enhancing-stack-traces/infinite-stack-in-dev-app/package.json

@@ -0,0 +1,15 @@
+{
+  "name": "app",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.15.2"
+  }
+}

Chapter01/enhancing-stack-traces/infinite-stack-in-dev-app/routes.js

@@ -0,0 +1,9 @@
+const content = require('./content')
+const {Router} = require('express')
+const router = new Router()
+
+router.get('/', (req, res) => {
+  res.send(content())
+})
+
+module.exports = router

Chapter01/enhancing-stack-traces/pretty-stack-app/content.js

@@ -0,0 +1,5 @@
+function content (opts, c = 20) {
+  return --c ? content(opts, c) : opts.ohoh
+}
+
+module.exports = content

Chapter01/enhancing-stack-traces/pretty-stack-app/index.js

@@ -0,0 +1,8 @@
+require('cute-stack')()
+const express = require('express')
+const routes = require('./routes')
+const app = express()
+
+app.use(routes)
+
+app.listen(3000)

Chapter01/enhancing-stack-traces/pretty-stack-app/package.json

@@ -0,0 +1,17 @@
+{
+  "name": "app",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "cute-stack": "^1.4.3",
+    "express": "^4.15.2"
+  },
+  "devDependencies": {}
+}

Chapter01/enhancing-stack-traces/pretty-stack-app/routes.js

@@ -0,0 +1,9 @@
+const content = require('./content')
+const {Router} = require('express')
+const router = new Router()
+
+router.get('/', (req, res) => {
+  res.send(content())
+})
+
+module.exports = router