Function getStatic

getStatic<T extends object>(instance: T, key: string): any

Get a static property from a class instance.

Type Parameters

T extends object

Parameters

instance: T
The instance of the class.
key: string
The name of the static property to retrieve.

Returns any

The value of the static property.

Remarks

This function retrieves a static property from the class of the given instance. It traverses the prototype chain to find the property in the class constructor. If the property is not found, it throws an error.

Throws

Error if the property is not found.

Example

class MyClass {
    static myStaticProperty = "Hello, world!";
    static get myProperty() {
        return this.myStaticProperty;
    }
}
const instance = new MyClass();
const value = getStatic(instance, "myStaticProperty");
console.log(value); // "Hello, world!"
const method = getStatic(instance, "myProperty");
console.log(method); // "Hello, world!"
const notFound = getStatic(instance, "nonExistent"); // Error: Static property "nonExistent" not found in prototype chain.