Read-Only Array and Tuple Types in TypeScript
TypeScript 3.4 added a bit of syntactic sugar to the language that makes it easier to work with read-only array and tuple types.
Recent Articles
The --showConfig Compiler Option in TypeScript
TypeScript 3.2 added a new --showConfig compiler flag to the tsc executable. It calculates the effective tsconfig.json file and prints it to the console.
Setting the Node.js Version for an Azure DevOps Build
A quick explanation of how to set a specific Node.js version for an Azure DevOps build using the Node.js Tool Installer task.
The unknown Type in TypeScript
TypeScript 3.0 introduced a new unknown type which is the type-safe counterpart of the any type.
Importing JSON Modules in TypeScript
TypeScript 2.9 introduced a new --resolveJsonModule compiler option that lets us import JSON modules from within TypeScript modules.
Passing Generics to JSX Elements in TypeScript
TypeScript 2.9 added the ability to specify type arguments for generic JSX elements.
Mapped Type Modifiers in TypeScript
With TypeScript 2.8, mapped types have gained the ability to add or remove a particular modifier from a property. Previously, it was only possible to add modifiers to properties, but not remove them.
Conditional Types in TypeScript
TypeScript 2.8 introduced conditional types, a powerful and exciting addition to the type system.
JavaScript Promises in Depth
I'm proud to present "JavaScript Promises in Depth", my fourth egghead.io course!
Using Promise.prototype.finally() in TypeScript
ES2018 introduced a new Promise.prototype.finally() method to the standard library. Here's how to use it in TypeScript.
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