Typescript. Access Modifiers
public // by default
private // only inside class
protected // only inside class and its inheritors
readonly // readonly
a little bit of
Typescript. Abstract classes and Interfaces
Пантелеев СтаниславABSTRACT CLASSES EXAMPLE abstract class Prayer { abstract pray: string; abstract makeSins(): void; doPray(): string { return this.pray; } } class Muslim extends Prayer {
TypeScript. Class Inheritance
Пантелеев Станиславenum Sex { Man, Woman } class Man { name: string = «DefaultName»; family: string = «DefaultFamily»; age: number = 18; readonly sex: Sex.Man constructor(name:
Typescript. Class
Пантелеев Станиславenum Sex { Man, Woman } class Man { name: string = «DefaultName»; family: string = «DefaultFamily»; age: number = 18; readonly sex: Sex.Man constructor(name:
Typescript. Functions
Пантелеев Станиславwith defining data types (e.g. annotations) function add(a: number, b: number): number { return a + b; } without annotations function add2(a, b) { return
Typescript. Datatypes
Пантелеев Станислав// — BOOLEAN let b: boolean = true; console.log(‘boolean ‘ + b + ‘ typeof ‘ + typeof b); // — STRING let s: string
Typescript. noEmitOnError and target
Пантелеев СтаниславnoEmitOnError
lets write this piece of code
index.ts
let x = 0; console.log(x); var x = 1; console.log(x);
on compling with tsc index.ts
JS. Prettier. How do i apply Prettier to all project ?
Пантелеев Станиславoption 1
npm prettier —write «**/*.js»
option 2 add it to the scripts
{ … «scripts»: { «prettier»: «prettier —write ‘**/*.{ts,js,css,html}'» } … }
Typescript. Exploring tsconfig.json
Пантелеев СтаниславAll options can be found in official documentation, so lets take a look on some of them. How to create tsconfig.json we have seen in
Typescript. Create project in webstorm
Пантелеев СтаниславLets take an example from previous post and do the following steps
Add to project tsconfig.json
and edit it like this for example, point