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Last change
on this file was 9af201e, checked in by MBK <marija.karapandzova@…>, 11 days ago |
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Fix frontend appearance
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-
Property mode
set to
100644
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File size:
711 bytes
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| [9af201e] | 1 | 'use strict';
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| 2 |
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| 3 | var callBound = require('call-bound');
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| 4 | var $boolToStr = callBound('Boolean.prototype.toString');
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| 5 | var $toString = callBound('Object.prototype.toString');
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| 6 |
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| 7 | /** @type {import('.')} */
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| 8 | var tryBooleanObject = function booleanBrandCheck(value) {
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| 9 | try {
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| 10 | $boolToStr(value);
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| 11 | return true;
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| 12 | } catch (e) {
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| 13 | return false;
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| 14 | }
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| 15 | };
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| 16 | var boolClass = '[object Boolean]';
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| 17 | var hasToStringTag = require('has-tostringtag/shams')();
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| 18 |
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| 19 | /** @type {import('.')} */
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| 20 | module.exports = function isBoolean(value) {
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| 21 | if (typeof value === 'boolean') {
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| 22 | return true;
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| 23 | }
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| 24 | if (value === null || typeof value !== 'object') {
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| 25 | return false;
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| 26 | }
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| 27 | return hasToStringTag ? tryBooleanObject(value) : $toString(value) === boolClass;
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| 28 | };
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