22 lines
469 B
JavaScript
22 lines
469 B
JavaScript
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'use strict';
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var callBound = require('call-bind/callBound');
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var $register = callBound('FinalizationRegistry.prototype.register', true);
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module.exports = $register
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? function isFinalizationRegistry(value) {
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if (!value || typeof value !== 'object') {
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return false;
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}
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try {
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$register(value, {});
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return true;
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} catch (e) {
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return false;
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}
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}
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: function isFinalizationRegistry(value) { // eslint-disable-line no-unused-vars
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return false;
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};
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