progress

Author: bradwestfall

lessons/01-js-and-node/lecture/index.js

@@ -1,95 +1,17 @@
-console.log("let's get started")
-
-/**
- * Intro
- */
-
-// EcmaScript, JavaScript, Node
-
-/**
- * Versions
- */
-
-// Node Versions
-// https://nodejs.dev/en/about/releases/
-
-/**
- * Globals
- */
-
-// https://nodejs.org/docs/latest/api/globals.html
-// console.log(process.versions)
-// console.log('process.cwd():', process.cwd())
-// console.log('__dirname:', __dirname)
-// console.log('__filename:', __filename)
-
-/**
- * Modules
- */
-
-// CommonJS
-// ESModules
-
-/**
- * Env
- */
-
-// require('dotenv').config()
-// console.log(process.env.SECRET) // from .env
-
-// // Community standard
-// // "lecture-1": "NODE_ENV=development node lessons/01-js-and-node/lecture",
-// console.log(process.env.NODE_ENV)
-
-/**
- * Scope
- */
-
-// var x = [5, 6, 7]
-// function scope() {
-//   for (var i = 0; i < x.length; i++) {
-//     var item = x[i]
-//     console.log(item)
-//   }
-
-//   console.log(i)
-//   console.log(item)
-// }
-// scope()
-
-/**
- * Object and Array Literals
- */
-
-/**
- * Function Types
- */
-
-/**
- * Expressions and Expression Chaining
- */
-
-/**
- * Map, Filter, Reduce, Find, Includes
- */
-
-/**
- * File System
- */
-
-// const fs = require('fs')
-// const path = require('path')
-// const dataPath = path.join(__dirname, `data.csv`)
-// const data = fs.readFileSync(dataPath, 'utf8')
-
-// let json = data
-//   .split('\n')
-//   .map((item) => {
-//     const [id, name] = item.split(',')
-//     return `{ "id": ${id}, "name": "${name}" }`
-//   })
-//   .join(',\n')
-
-// json = `{ "users": [${json}] }`
-
-// console.log(JSON.parse(json))
+const fs = require('fs')
+const path = require('path')
+const dataPath = path.join(__dirname, `data.csv`)
+const data = fs.readFileSync(dataPath, 'utf8')
+
+let json = data
+  .split('\n')
+  .map((item) => {
+    const [id, name] = item.split(',')
+    return id ? `{ "id": ${id}, "name": "${name.trim()}" }` : false
+  })
+  .filter(Boolean)
+  .join(',\n')
+
+json = `{ "users": [${json}] }`
+
+console.log(JSON.parse(json))

lessons/02-promises/lecture/index.ts

@@ -1,11 +1,20 @@
 import fs from 'fs'
-import path from 'path'
-// const fsPromises = require('fs').promises // the way the docs show
-// import { promises as fsPromises } from 'fs' // the esm version
-// import fetch from 'node-fetch'
 
-const dataPath = path.join(__dirname, `data.csv`)
+function getVehicle(url: string) {
+  return fetch(url).then((response) => response.json())
+}
 
-// Let's make this asynchronous
-const data = fs.readFileSync(dataPath, 'utf8')
-console.log(data)
+function getPersonVehicles(id: number): Promise<string[]> {
+  return fetch(`https://swapi.dev/api/people/${id}`)
+    .then((response) => response.json() as Record<string, any>)
+    .then((data) => data.vehicles)
+}
+
+getPersonVehicles(1)
+  .then((vehicles) => {
+    const promises = vehicles.map((url) => getVehicle(url))
+    return Promise.all(promises)
+  })
+  .then((allVehicles) => {
+    console.log(allVehicles)
+  })

lessons/04-async-await/lecture/index.ts

@@ -4,42 +4,42 @@
   Part 1
 *****************************************/
 
-function getVehicle(url: string) {
-  return fetch(url).then((response) => response.json())
-}
+// async function getVehicle(url: string) {
+//   return await fetch(url).then((response) => response.json())
+// }
 
-function getPersonVehicles(id: number): Promise<string[]> {
-  return fetch(`https://swapi.dev/api/people/${id}`)
-    .then((response) => response.json() as Record<string, any>)
-    .then((data) => data.vehicles)
-}
+// async function getPersonVehicles(id: number): Promise<string[]> {
+//   const data = (await fetch(`https://swapi.dev/api/people/${id}`).then((response) =>
+//     response.json()
+//   )) as any
+
+//   return data.vehicles as string[]
+// }
 
-getPersonVehicles(1)
-  .then((vehicles) => {
-    const p = vehicles.map((url) => getVehicle(url))
-    return Promise.all(p)
-  })
-  .then((allVehicles) => {
-    console.log(allVehicles)
-  })
+// async function main() {
+//   const vehicles = await getPersonVehicles(1)
+//   const p = vehicles.map((url) => getVehicle(url))
+//   const data = await Promise.all(p)
+//   console.log(data)
+// }
+
+// main()
 
 /****************************************
   Part 2
 *****************************************/
 
-// function signup(user: User) {
-//   return createAccount()
-//     .then((account) => {
-//       return addAccountUser(account.accountId, user)
-//     })
-//     .then((user) => {
-//       // emailUser(user)
-//       // logNewUserStats(account.accountId)
-//     })
-// }
-
-// signup({ name: 'brad' }).then(() => {
-//   console.log('✅ User Added')
-// })
+function signup(user: User) {
+  return createAccount()
+    .then((account) => {
+      return addAccountUser(account.accountId, user)
+    })
+    .then((user) => {
+      // emailUser(user)
+      // logNewUserStats(account.accountId)
+    })
+}
 
-// // Remember "top-level" await
+signup({ name: 'brad' }).then(() => {
+  console.log('✅ User Added')
+})