| 1 | /**
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| 2 | * Checks if the value is a boolean or a Boolean object.
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| 3 | * @param {any} value
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| 4 | * @returns {boolean}
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| 5 | */
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| 6 | function isBoolean(value) {
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| 7 | return typeof value === 'boolean' || value instanceof Boolean;
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| 8 | }
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| 9 |
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| 10 | /**
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| 11 | * Checks if the value is a number or a Number object.
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| 12 | * @param {any} value
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| 13 | * @returns {boolean}
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| 14 | */
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| 15 | function isNumber(value) {
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| 16 | return typeof value === 'number' || value instanceof Number;
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| 17 | }
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| 18 |
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| 19 | /**
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| 20 | * Checks if the value is a RegExp object.
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| 21 | * @param {any} value
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| 22 | * @returns {boolean}
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| 23 | */
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| 24 | function isRegExp(value) {
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| 25 | return value instanceof RegExp;
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| 26 | }
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| 27 |
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| 28 | /**
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| 29 | * Checks if the value is a string or a String object.
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| 30 | * @param {any} value
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| 31 | * @returns {boolean}
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| 32 | */
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| 33 | function isString(value) {
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| 34 | return typeof value === 'string' || value instanceof String;
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| 35 | }
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| 36 |
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| 37 | /**
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| 38 | * Checks if the value is an object.
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| 39 | * @param {any} value
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| 40 | * @returns {boolean}
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| 41 | */
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| 42 | function isObject(value) {
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| 43 | return typeof value === 'object' && value !== null;
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| 44 | }
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| 45 |
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| 46 | module.exports = {
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| 47 | isBoolean,
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| 48 | isNumber,
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| 49 | isRegExp,
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| 50 | isString,
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| 51 | isObject,
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| 52 | };
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