isFloat.js
840 字节
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = isFloat;
var _assertString = require('./util/assertString');
var _assertString2 = _interopRequireDefault(_assertString);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var float = /^(?:[-+])?(?:[0-9]+)?(?:\.[0-9]*)?(?:[eE][\+\-]?(?:[0-9]+))?$/;
function isFloat(str, options) {
(0, _assertString2.default)(str);
options = options || {};
if (str === '' || str === '.') {
return false;
}
return float.test(str) && (!options.hasOwnProperty('min') || str >= options.min) && (!options.hasOwnProperty('max') || str <= options.max) && (!options.hasOwnProperty('lt') || str < options.lt) && (!options.hasOwnProperty('gt') || str > options.gt);
}
module.exports = exports['default'];