source: frontend/node_modules/get-proto/index.js

'use strict';

var reflectGetProto = require('./Reflect.getPrototypeOf');
var originalGetProto = require('./Object.getPrototypeOf');

var getDunderProto = require('dunder-proto/get');

/** @type {import('.')} */
module.exports = reflectGetProto
        ? function getProto(O) {
                // @ts-expect-error TS can't narrow inside a closure, for some reason
                return reflectGetProto(O);
        }
        : originalGetProto
                ? function getProto(O) {
                        if (!O || (typeof O !== 'object' && typeof O !== 'function')) {
                                throw new TypeError('getProto: not an object');
                        }
                        // @ts-expect-error TS can't narrow inside a closure, for some reason
                        return originalGetProto(O);
                }
                : getDunderProto
                        ? function getProto(O) {
                                // @ts-expect-error TS can't narrow inside a closure, for some reason
                                return getDunderProto(O);
                        }
                        : null;