source: imaps-frontend/node_modules/is-finalizationregistry/index.js@ 0c6b92a

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Last change on this file since 0c6b92a was 0c6b92a, checked in by stefan toskovski <stefantoska84@…>, 5 weeks ago

Pred finalna verzija

  • Property mode set to 100644
File size: 835 bytes
RevLine 
[d565449]1'use strict';
2
3var callBound = require('call-bind/callBound');
4
[0c6b92a]5/** @type {undefined | ((value: ThisParameterType<typeof FinalizationRegistry.prototype.register>, ...args: Parameters<typeof FinalizationRegistry.prototype.register>) => ReturnType<typeof FinalizationRegistry.prototype.register>)} */
[d565449]6var $register = callBound('FinalizationRegistry.prototype.register', true);
7
[0c6b92a]8/** @type {import('.')} */
[d565449]9module.exports = $register
10 ? function isFinalizationRegistry(value) {
11 if (!value || typeof value !== 'object') {
12 return false;
13 }
14 try {
[0c6b92a]15 // @ts-expect-error TS can't figure out that it's always truthy here
16 $register(value, {}, null);
[d565449]17 return true;
18 } catch (e) {
19 return false;
20 }
21 }
[0c6b92a]22 // @ts-ignore unused var
[d565449]23 : function isFinalizationRegistry(value) { // eslint-disable-line no-unused-vars
24 return false;
25 };
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