1 | ;
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2 | var IS_PURE = require('../internals/is-pure');
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3 | var global = require('../internals/global');
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4 | var fails = require('../internals/fails');
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5 | var WEBKIT = require('../internals/engine-webkit-version');
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6 |
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7 | // Forced replacement object prototype accessors methods
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8 | module.exports = IS_PURE || !fails(function () {
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9 | // This feature detection crashes old WebKit
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10 | // https://github.com/zloirock/core-js/issues/232
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11 | if (WEBKIT && WEBKIT < 535) return;
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12 | var key = Math.random();
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13 | // In FF throws only define methods
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14 | // eslint-disable-next-line no-undef, no-useless-call, es/no-legacy-object-prototype-accessor-methods -- required for testing
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15 | __defineSetter__.call(null, key, function () { /* empty */ });
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16 | delete global[key];
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17 | });
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