OK

data/concepts

@@ -0,0 +1,12 @@
+middleware
+requests
+responses
+helpers
+views
+routes
+apps
+templates
+static files
+tests
+models
+controllers

data/language-features

@@ -0,0 +1,25 @@
+default parameters
+template literals
+destructuring assignment
+arrow functions
+promises
+block-scoped variable declarations
+classes
+modules
+async/await
+decorators
+the exponent operator
+String.prototype.padStart
+symbols
+object spread
+observables
+Object.values
+generators
+getters and setters
+WeakMap
+proxies
+dynamic import
+pattern matching
+partial application
+closures
+hoisting

index.js

@@ -0,0 +1,28 @@
+#!/usr/bin/env node
+
+const {
+  resolve
+} = require('path')
+
+const fs = require('fs')
+
+const {
+  promisify
+} = require('util')
+
+const readFile = promisify(fs.readFile)
+
+const conceptsFile = resolve(__dirname, 'data', 'concepts')
+const languageFeaturesFile = resolve(__dirname, 'data', 'language-features')
+
+const getRandomLine = filename => readFile(filename)
+  .then(buffer => buffer.toString())
+  .then(file => file.split('\n'))
+  .then(lines => lines[Math.floor(Math.random() * (lines.length - 1))])
+
+const concept = getRandomLine(conceptsFile)
+const feature = getRandomLine(languageFeaturesFile)
+
+Promise.all([concept, feature])
+  .then(([concept, feature]) =>
+    console.log(`let's replace all our ${concept} with ${feature}`))

package.json

@@ -0,0 +1,12 @@
+{
+  "name": "luka",
+  "version": "1.0.3",
+  "description": "generate good advice for building future-proof web applications",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "chee <chee@snake.dog> (https://snaek.org/)",
+  "license": "GPL-3.0+",
+  "bin": "index.js"
+}