getClassPropertyDescriptor Available since v0.9

Returns PropertyDescriptor, from target's prototype that matches given property key.

It accepts the following arguments:

• target: ConstructorOrAbstractConstructor - The target class.
• key: PropertyKey - Name of the property.

import { getClassPropertyDescriptor } from '@aedart/support/reflections';

class A {
    set name(v) {}
    get name() {}
}

getClassPropertyDescriptor(A, 'name'); // see "output"...

The above show example results in the given output:

const output = {
    get: function () { /* ...Not shown... */ },
    set: function (v) { /* ..Not shown... */ },
    enumerable: false,
    configurable: true
};

Note

getClassPropertyDescriptor() returns undefined if requested key does not exist in class' prototype.

Caution

getClassPropertyDescriptor() throws TypeError if target does not have a prototype property.