1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 | 1x 105x 88x 88x 1x 105x 105x 17x 88x 4x 88x 4x 88x | // Check if a variable is numeric even if string const is = { numeric: num => !isNaN(num), boolean: bool => /^(true|false)$/i.test(bool), json: str => /^[\{\[]/.test(str) && /[\}\]]$/.test(str) }; module.exports = (str = '') => { Iif (typeof str !== 'string') { return str; } if (is.numeric(str)) { return +str; } if (is.boolean(str)) { str = /true/i.test(str); } if (is.json(str)) { str = JSON.parse(str); } return str; }; |