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is-number-strict

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Tiny lib to check if passed argument is strictly number. Strings will not pass!

13 lines (12 loc) 464 B
"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); /** * Checks if value is real number. Supports Number object. * @param {any} num - value to check * @return {boolean} - returns true if value is true number */ function isNumberStrict(num) { var check = num && typeof num.valueOf === 'function' ? num.valueOf() : num; return typeof check === 'number' && Number.isFinite(check); } exports.default = isNumberStrict;