lodash/test/toPlainObject.spec.ts

import assert from 'node:assert';
import lodashStable from 'lodash';
import { args } from './utils';
import toPlainObject from '../src/toPlainObject';

describe('toPlainObject', () => {
    it('should flatten inherited string keyed properties', () => {
        function Foo() {
            this.b = 2;
        }
        Foo.prototype.c = 3;

        const actual = lodashStable.assign({ a: 1 }, toPlainObject(new Foo()));
        assert.deepStrictEqual(actual, { a: 1, b: 2, c: 3 });
    });

    it('should convert `arguments` objects to plain objects', () => {
        const actual = toPlainObject(args),
            expected = { '0': 1, '1': 2, '2': 3 };

        assert.deepStrictEqual(actual, expected);
    });

    it('should convert arrays to plain objects', () => {
        const actual = toPlainObject(['a', 'b', 'c']),
            expected = { '0': 'a', '1': 'b', '2': 'c' };

        assert.deepStrictEqual(actual, expected);
    });
});