update
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MIT License
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Copyright (c) 2022 Jordan Harband
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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'use strict'
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const debug = (
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typeof process === 'object' &&
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process.env &&
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process.env.NODE_DEBUG &&
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/\bsemver\b/i.test(process.env.NODE_DEBUG)
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) ? (...args) => console.error('SEMVER', ...args)
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: () => {}
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module.exports = debug
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'use strict';
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var test = require('tape');
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var hasSymbols = require('../');
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var runSymbolTests = require('./tests');
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test('interface', function (t) {
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t.equal(typeof hasSymbols, 'function', 'is a function');
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t.equal(typeof hasSymbols(), 'boolean', 'returns a boolean');
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t.end();
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});
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test('Symbols are supported', { skip: !hasSymbols() }, function (t) {
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runSymbolTests(t);
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t.end();
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});
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test('Symbols are not supported', { skip: hasSymbols() }, function (t) {
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t.equal(typeof Symbol, 'undefined', 'global Symbol is undefined');
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t.equal(typeof Object.getOwnPropertySymbols, 'undefined', 'Object.getOwnPropertySymbols does not exist');
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t.end();
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});
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'use strict';
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var test = require('tape');
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var setDunderProto = require('../set');
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test('setDunderProto', { skip: !setDunderProto }, function (t) {
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if (!setDunderProto) {
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throw 'should never happen; this is just for type narrowing'; // eslint-disable-line no-throw-literal
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}
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// @ts-expect-error
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t['throws'](function () { setDunderProto(); }, TypeError, 'throws if no arguments');
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// @ts-expect-error
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t['throws'](function () { setDunderProto(undefined); }, TypeError, 'throws with undefined and nothing');
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// @ts-expect-error
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t['throws'](function () { setDunderProto(undefined, undefined); }, TypeError, 'throws with undefined and undefined');
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// @ts-expect-error
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t['throws'](function () { setDunderProto(null); }, TypeError, 'throws with null and undefined');
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// @ts-expect-error
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t['throws'](function () { setDunderProto(null, undefined); }, TypeError, 'throws with null and undefined');
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/** @type {{ inherited?: boolean }} */
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var obj = {};
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t.ok('toString' in obj, 'object initially has toString');
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setDunderProto(obj, null);
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t.notOk('toString' in obj, 'object no longer has toString');
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t.notOk('inherited' in obj, 'object lacks inherited property');
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setDunderProto(obj, { inherited: true });
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t.equal(obj.inherited, true, 'object has inherited property');
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t.end();
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});
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test('no dunder proto', { skip: !!setDunderProto }, function (t) {
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if ('__proto__' in Object.prototype) {
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t['throws'](
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// @ts-expect-error
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function () { ({}).__proto__ = null; }, // eslint-disable-line no-proto
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Error,
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'throws when setting Object.prototype.__proto__'
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);
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} else {
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t.notOk('__proto__' in Object.prototype, 'no __proto__ in Object.prototype');
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}
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t.end();
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});
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