typescript interface function
interface IEmployee {
empCode: number;
empName: string;
getSalary: (number) => number; // arrow function
getManagerName(number): string;
}typescript interface function
interface IEmployee {
empCode: number;
empName: string;
getSalary: (number) => number; // arrow function
getManagerName(number): string;
}typescript class interface
interface IPerson {
name: string
age: number
hobby?: string[]
}
class Person implements IPerson {
name: string
age: number
hobby?: string[]
constructor(name: string, age: number, hobby: string[]) {
this.name = name
this.age = age
this.hobby = hobby
}
}
const output = new Person('john doe', 23, ['swimming', 'traveling', 'badminton'])
console.log(output)typescript interface
interface Foo {
bar: string;
qux: number;
}
// Creates object implementing interface:
const MyFoo = <Foo> {
bar: "Hello",
qux: 7
}
// Or:
const MyFoo: Foo = {
bar: "Hello",
qux: 7
}typescript interface
// https://stackoverflow.com/a/41967120
// `I` Prefix not recommended :
// Ref : https://stackoverflow.com/a/41967120,
// https://github.com/Microsoft/TypeScript/wiki/Coding-guidelines
interface SquareConfig {
color?: string;
width?: number;
[propName: string]: any;
}
interface StringArray {
[index: number]: string;
}
let myArray: StringArray;
myArray = ["Bob", "Fred"];
let myStr: string = myArray[0];typescript interface
interface LabeledValue {
label: string;
}
function printLabel(labeledObj: LabeledValue) {
console.log(labeledObj.label);
}
let myObj = { size: 10, label: "Size 10 Object" };
printLabel(myObj);TryCopyright © 2021 Codeinu
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