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6cb3460 Feb 6, 2017
@jdalton @bertyhell
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import baseGetTag from './.internal/baseGetTag.js'
import isObjectLike from './isObjectLike.js'
/**
* Checks if `value` is classified as a `Number` primitive or object.
*
* **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are
* classified as numbers, use the `Number.isFinite` method.
*
* @since 0.1.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a number, else `false`.
* @see isInteger, toInteger, toNumber
* @example
*
* isNumber(3)
* // => true
*
* isNumber(Number.MIN_VALUE)
* // => true
*
* isNumber(Infinity)
* // => true
*
* isNumber('3')
* // => false
*/
function isNumber(value) {
return typeof value == 'number' ||
(isObjectLike(value) && baseGetTag(value) == '[object Number]')
}
export default isNumber
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