TypeScript Evolution — Marius Schulz
TypeScript EvolutionThe TypeScript Evolution series consists of 45 posts: Non-Nullable Types in TypeScriptControl Flow Based Type Analysis in TypeScriptAcquiring Type Declaration Files in TypeScriptRead-Only Properties in TypeScriptTagged Union Types in TypeScriptMore Literal Types in TypeScriptThe never Type in TypeScriptBuilt-In Type Declarations in TypeScriptCompiling async/await to ES3/ES5 in
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Learn programming tools like JavaScript, TypeScript, SQL, and regular expressions fast. Interactive lessons with real code examples.
Effective TypeScript › Item 54: Know How to Iterate Over Objects
Iterating over the keys and values in an object is a common operation that's surprisingly hard to write without type assertions in TypeScript. The difficulty results from a combination of the quirks of JavaScript objects and duck typing. Reading through this item again, I'd add that this is all a good reason to consider using an ES6 Map instead of an object to store key/value pairs! This code runs
React TypeScript Cheatsheets | React TypeScript Cheatsheets
React TypeScript CheatsheetsCheatsheets for experienced React developers getting started with TypeScript
Mapped Type Modifiers in TypeScript
February 10, 2019With TypeScript 2.1, mapped types were added to the language in December 2016. As of 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. #The ? Property Modifier You can make any property of an object type optional by adding a ? after the p
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Reader monad example using fp-ts
