| 1 | ;
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| 2 |
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| 3 | /**
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| 4 | * Checks whether a value is a boolean
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| 5 | *
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| 6 | * **Aliases** _bool_
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| 7 | *
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| 8 | * @function boolean
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| 9 | *
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| 10 | * @example
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| 11 | * var is = require('predicates');
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| 12 | *
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| 13 | * is.boolean(true); // true
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| 14 | * is.boolean(false);; // true
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| 15 | * is.boolean(0); // false
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| 16 | *
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| 17 | * @param {*} value
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| 18 | * @returns {Boolean}
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| 19 | */
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| 20 | module.exports = function isBoolean(value) {
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| 21 | return typeof value === 'boolean' || Object.prototype.toString.call(value) === '[object Boolean]';
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| 22 | };
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