isFloat.js 982 B

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  1. 'use strict';
  2. Object.defineProperty(exports, "__esModule", {
  3. value: true
  4. });
  5. exports.default = isFloat;
  6. var _assertString = require('./util/assertString');
  7. var _assertString2 = _interopRequireDefault(_assertString);
  8. var _alpha = require('./alpha');
  9. function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  10. function isFloat(str, options) {
  11. (0, _assertString2.default)(str);
  12. options = options || {};
  13. var float = new RegExp('^(?:[-+])?(?:[0-9]+)?(?:\\' + (options.locale ? _alpha.decimal[options.locale] : '.') + '[0-9]*)?(?:[eE][\\+\\-]?(?:[0-9]+))?$');
  14. if (str === '' || str === '.' || str === '-' || str === '+') {
  15. return false;
  16. }
  17. 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);
  18. }
  19. module.exports = exports['default'];