typescript type object
type Dictionary = {
[key: string]: any
}define object properties typescript
interface ISomeObject {
subPropertie1: string,
subPropertie2: number,
}
interface IProperties {
property1: string,
property2: boolean,
property3: number[],
property4: ISomeObject,
property5: ISomeObject[],
}
function (args:IProperties): void { // Sample Usage
console.log(args.property1);
}typescript class type t
class GenericNumber<T> {
zeroValue: T;
add: (x: T, y: T) => T;
}
let myGenericNumber = new GenericNumber<number>();
myGenericNumber.zeroValue = 0;
myGenericNumber.add = function(x, y) { return x + y; };typescript object type
//is not strict mode
let endedCoord: {x: number, y: number} = {
x: -1,
y: -1,
}angular type of string
if(typeof myVariable === 'string'){
//do
}object type in typescript
declare function create(o: object | null): void;
// OKcreate({ prop: 0 });create(null);create(undefined); // with `--strictNullChecks` flag enabled, undefined is not a subtype of nullArgument of type 'undefined' is not assignable to parameter of type 'object | null'.2345Argument of type 'undefined' is not assignable to parameter of type 'object | null'.
create(42);Argument of type '42' is not assignable to parameter of type 'object | null'.2345Argument of type '42' is not assignable to parameter of type 'object | null'.create("string");Argument of type '"string"' is not assignable to parameter of type 'object | null'.2345Argument of type '"string"' is not assignable to parameter of type 'object | null'.create(false);Argument of type 'false' is not assignable to parameter of type 'object | null'.2345Argument of type 'false' is not assignable to parameter of type 'object | null'.TryCopyright © 2021 Codeinu
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