legacy-extends/dist/esm/index.js

Helper to extend a class including defining super_ and superConstruct (optional) on the derived class. Compatible with Node.js inherits and handles es6 classes using Reflect API

function ensureProperties(names, self, args) {
    if (self[names[0]] !== args[0]) {
        const length = names.length;
        for(let index = 0; index < length; index++){
            self[names[index]] = args[index];
        }
    }
}
const hasProp = {}.hasOwnProperty;
function extendLegacy(child_, parent_, options) {
    const child = child_;
    const parent = parent_;
    const initialize = options && options.ensureProperties && options.ensureProperties.length ? ensureProperties.bind(null, options.ensureProperties) : null;
    for(const key in parent){
        if (hasProp.call(parent, key)) child[key] = parent[key];
    }
    function ctor() {}
    ctor.prototype = parent.prototype;
    child.prototype = new ctor();
    child.prototype.constructor = child;
    const khild = child;
    khild.super_ = parent.prototype;
    khild.superConstruct = function construct() {
        // biome-ignore lint/complexity/noArguments: Apply arguments
        parent.prototype.constructor.apply(this, arguments);
        // biome-ignore lint/complexity/noArguments: Apply arguments
        !initialize || initialize(this, arguments);
        return this;
    };
}
function extendReflect(child_, parent_, options) {
    const child = child_;
    const parent = parent_;
    const initialize = options && options.ensureProperties && options.ensureProperties.length ? ensureProperties.bind(null, options.ensureProperties) : null;
    Reflect.setPrototypeOf(child.prototype, parent.prototype);
    Reflect.setPrototypeOf(child, parent);
    const khild = child;
    khild.super_ = parent.prototype;
    khild.superConstruct = function construct() {
        // biome-ignore lint/complexity/noArguments: Apply arguments
        const self = Reflect.construct(parent, arguments, child);
        // biome-ignore lint/complexity/noArguments: Apply arguments
        !initialize || initialize(self, arguments);
        return self;
    };
}
export default typeof Reflect === 'undefined' ? extendLegacy : extendReflect;