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• Making FPV drones for Ukrainian army,October 25, 2023

  I, with my frined from Polar Bear commerce, are making FPV drones for Ukrainian army

  • #fpv

• Type safe navigation,September 30, 2023

  Here you will learn how to create type safe navigation with mutually recursive utility types

  • #mutually recursive types
  • #navigation

• Generate literal type for numbers range in TypeScript,January 13, 2023

  How to generate numbers range as a literal type

  • #number
  • #range
  • #template literals

• Find key duplicates in dictionary data structure,November 20, 2022

  How to create dictionary data structure with unique keys inside nested leafs

• Undocumented features,October 21, 2022

  Here you can find some undocumented features of TypeScript

• (updated) Useful TypeScript patterns,September 28, 2022

  Here you can find some useful patterns in TS which will save your time

  • #generics

• String combinations,September 10, 2022

  Imagine you have two arrays of strings and you need to create a new array where each elements will be a concatenation of elements from both arrays

• Unsafe TypeScript. Part 2,September 2, 2022

  Here you can find an information about unsafe intersections in TypeScript and why using interfaces with all optional properties should be considered as a bad practice

• HEX Validation in TypeScript (UPDATED),August 28, 2022

  Static type validator for HEX values

  • #template literals
  • #hex
  • #tuples

• TypeScript utils,August 24, 2022

  Utils for mapping interfaces

• Want to help Ukraine?,February 24, 2022

  Ukraine

• Key path manipulations and functional patterns,February 21, 2022

  You will find how to invert key path and several functional patterns in React

  • #recursion
  • #react
  • #fp

• Handle Props in React in TypeScript,February 11, 2022

  Make illegal React props unrepresentable (updated)

  • #illegal state
  • #react
  • #props

• Make enums safe again (updated),January 11, 2022

  You will learn how to make numerical enum safe again

  • #enums
  • #tuples

• Resolving generics in TypeScript,December 26, 2021

  In this article you will learn TypeScript resolves generics

  • #generics

• Validation of static email string,December 13, 2021

  In this article you will learn how to validate template literal type of email string

  • #template literal type

• Recursive data structure,November 17, 2021

  How to put a limit on recursive data structure ?

  • #tuples

• Rest operator in tuples (updated),October 20, 2021

  Use rest operator one after another in tuple type representation

  • #tuples

• Typescript: Type Inference on function arguments (huge update),September 18, 2021

  Infer deep nested function arguments

  • #infer

• How to flatten a tuple type in TypeScript?,September 12, 2021

  Flat literal deep nested tuple

  • #recursive
  • #tuples

• Define a recursive array of even length in TypeScript,September 4, 2021

  Define a union of tuples with even length

  • #recursive
  • #tuples

• Safer TypeScript,September 2, 2021

  Some tips and tricks about safer types

  • #safe types

• Typing the inheritance chain,August 31, 2021

  Recursive typing of inheritance

  • #recursive

• Currying React components in TypeScript,July 20, 2021

  React: functional approach

  • #fp
  • #curry
  • #react

• Compute permutations in TypeScript,July 7, 2021

  Compute permutations of enum keys and other unions

  • #union
  • #partial
  • #recursion
  • #tuples

• Type negation in TypeScript,July 7, 2021

  I want any type except ...

  • #generic
  • #negation

• Mutations in typescript,June 30, 2021

  TypeScript is more about immutability

  • #fp
  • #mutations

• OOP typings in TypeScript,June 24, 2021

  Typings for classes

  • #oop
  • #inheritance

• Deep pick typings (updated) in TypeScript,May 28, 2021

  I will try to implement smth similar to lodash.get typings

  • #deeppick

• Functional programming. Typing compose and pipe functions in TypeScript,May 8, 2021

  TypeScript typings for compose and pipe functions

  • #fp

• Callbacks,April 30, 2021

  How to properly type callbacks in TypeScript

  • #callback
  • #infer

• Type validators in TypeScript,April 27, 2021

  How to implements several type validators in generic way

  • #type validation

• Linked list in TypeScript,April 26, 2021

  Linked List with recursive types

  • #recursive
  • #data structure

• Handle literal arrays/tuples types in TypeScript,April 9, 2021

  Variadic tuple types: filter, map, reduce, findIndex etc ...

  • #array
  • #tuples

• Working with Dates in TypeScript,March 21, 2021

  Type dates literal strings

  • #template literals

• How to flatten union in TypeScript,February 11, 2021

  Here you can find information about union flattening

  • #union
  • #flatten

• How to chain callbacks in TypeScript,February 10, 2021

  Here you can find information about typing callbacks

  • #callback
  • #union
  • #tuples

• Publish subscribe pattern in TypeScript,January 25, 2021

  Type safe publish subscribe pattern

  • #pattern

• Working with template literals in TypeScript,January 22, 2021

  Here you can find some advanced examples with template literals

  • #template literals

• Api requests in TypeScript,January 11, 2021

  Make type safe api requests with TypeScript

  • #pattern

• Transform Union type to Tuple type in TypeScript,January 2, 2021

  How to transform unions to array

  • #union
  • #array
  • #transform

• Type state pattern in TypeScript,December 23, 2020

  Type safe handler

  • #pattern
  • #Map
  • #callback

• Compare array arguments,December 18, 2020

  Compare length of arrays as arguments in TypeScript

  • #array
  • #arguments
  • #narrow

• Math operations in TypeScript,December 13, 2020

  How to make math operations either on number or bigint in TypeScript.

  • #number
  • #bigint
  • #math

• Handle unions in React components in TypeScript,November 18, 2020

  How to work with unions

  • #union
  • #react