text: // Copyright 2019 Extreme Networks, Inc.
  //
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  //
  //     http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the License is distributed on an "AS IS" BASIS,
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // See the License for the specific language governing permissions and
  // limitations under the License.
  
  import validator from 'validator';
  
  import { BaseTextField, isJinja } from './base';
  
  export default class NumberField extends BaseTextField {
    static icon = '.5'
  
    fromStateValue(v) {
      if (isJinja(v)) {
        return v;
      }
  
      return v !== '' ? validator.toFloat(v) : void 0;
    }
  
    toStateValue(v) {
      if (isJinja(v)) {
        return v;
      }
  
      return v ? v.toString(10) : '';
    }
  
    validate(v, spec={}) {
      const invalid = super.validate(v, spec);
      if (invalid !== void 0) {
        return invalid;
      }
  
      return v && !validator.isFloat(v) && `'${v}' is not a number`;
    }
  }
  