source: frontend/node_modules/es-shim-unscopables/test/with.js

/* eslint no-restricted-syntax: 0, no-with: 0, strict: 0 */

var test = require('tape');

var shimUnscopables = require('../');

test('`with` statement', { skip: typeof Symbol !== 'function' || !Symbol.unscopables }, function (t) {
        // @ts-expect-error this variable is declared in case unscopables doesn't work
        var entries;
        // @ts-expect-error this variable is declared in case unscopables doesn't work
        var concat;
        // @ts-expect-error `with` unsupported
        with ([]) {
                t.equal(concat, Array.prototype.concat, 'concat is dynamically bound');
                t.notEqual(entries, Array.prototype.entries, 'entries is not dynamically bound');
        }

        /** @type {Record<PropertyKey, unknown>} */
        var obj = {
                foo: 1,
                bar: 2
        };
        // @ts-expect-error this variable is declared in case unscopables doesn't work
        var foo;
        // @ts-expect-error this variable is declared in case unscopables doesn't work
        var bar;
        obj[Symbol.unscopables] = { foo: true };
        // @ts-expect-error `with` unsupported
        with (obj) {
                t.equal(foo, undefined);
                t.equal(bar, obj.bar);
        }

        shimUnscopables('concat');

        // @ts-expect-error `with` unsupported
        with ([]) {
                t.notEqual(concat, Array.prototype.concat, 'concat is no longer dynamically bound');
                t.notEqual(entries, Array.prototype.entries, 'entries is still not dynamically bound');
        }

        t.end();
});