May 17, 2021TypeScript — Wrapping Up the Frontend Masters TutorialGenerics, Type Parameter Constraints, Dictionaries in TS, etc. — Generics Reusable components are incredibly important when programming. Creating a component that can work over a variety of types rather than a single one is key. Generics allows users to consume these components and use their own types.² Generics parameterize types the way that functions parameterize values. …Typescript4 min readTypescript4 min read
May 17, 2021Converting from JavaScript to TypeScriptFirst step — Changing Javascript Files to TypeScript Files Compile project in ‘loose mode’ and get tests to pass. [Rename all .js files to .ts ???] ← so scary! In the tsconfig.json file, add “noImplicitAny”: false, under “compilerOptions”. Say no to implicit any In configuration , change— “noImplicitAny: true”. If this is set to true, it will provide errors on any arguments or variables…JavaScript2 min readJavaScript2 min read
May 14, 2021Learning More TypeScript FundamentalsFollowing Along with Mike North’s Frontend Masters Tutorial I recently wrote a post on my first steps of learning TypeScript; that blog is available here. This article will be another step in what I’m sure will be a long journey of learning TS. The tutorial that I’m following along with…Typescript5 min readTypescript5 min read
May 11, 2021TypeScript — For BeginnersA Strongly Typed, Object Oriented, Compiled Language — TypeScript is a strict syntactical superset of JavaScript. It takes the JS language and adds new features and advantages to it. Browsers can’t execute TypeScript (neither can Node.js), so Typescript acts as a compiler that you run over your code to compile TypeScript code to JavaScript. …Typescript8 min readTypescript8 min read
May 9, 2021GraphQL — A Query Language — Part 1Moving Away From REST API’s to Get Data From an API to Your Application — First thing to know: GraphQL is a specification (how it should work and look), not an implementation. There is no installing GraphQL, you implement it using a server library, a client framework like Apollo and playgrounds like GraphiQL or Graphcool to test out your queries. GraphQL key points: server-side runtime …GraphQL6 min readGraphQL6 min read
May 2, 2021Learning Node.js — Part 7Relationship Models — In our applications, we will develop multiple Models to represent our data. Our data, by default, can and will be connected in a multitude of ways, our objects will be related. To support the associations that our Models have with each-other, Mongoose has to be told in what ways our…Mongodb4 min readMongodb4 min read
Apr 27, 2021Learning Node.js — Part 6Validating Data in MongoDB — “In computer science, data validation is the process of ensuring data has undergone data cleansing to ensure they have, that is, that they are both correct and useful. It uses routines, often called “validation rules”, “validation constraints”, or “check routines”, that check for correctness, meaningfulness, and security of data that…Validation2 min readValidation2 min read
Apr 23, 2021Learning Node.js — Part 5Building our Backend Database w/ MongoDB — MongoDB MongoDb is a document database², aka a NoSQL database. It’s not a relational database. There are no tables, schemas, views, records or columns¹ in a NoSQL db, instead the data is split up into collections, which are a lot like tables. These collections store documents, which resemble records (row in…Mongodb7 min readMongodb7 min read
Apr 21, 2021Learning Node.js — Part 4JavaScript Asynchronous Programming / Callback Functions / Promises / Async and Await — Synchronous Programming → Blocking . Each statement in your code will executed one after the other. Each statement must wait until the previous statement has completed executing. Asynchronous Programming → Non-Blocking (does not mean concurrent or multi-threaded). The programs we are building are single-threaded. …Nodejs4 min readNodejs4 min read
Apr 18, 2021Learning Node.js — Part 3Deeper Dive into Express — Middleware, Environments, Configuration, Environment Variables, Debugging, Templating Engines, Database Integration, Properly Restructuring Our Express Routes/Files — Express Middleware Express is a bunch of middleware functions. Middleware functions are called sequentially. Every route handler function ( (req, res) => {res.send(‘Hello World’)} ) is technically a middleware function.Node5 min readNode5 min read
