@backland/schema/lib/fields/FloatField.js

TypeScript schema declaration and validation library with static type inference

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.FloatField = void 0;
var _utils = require("@backland/utils");
var _FieldType = require("./FieldType");
class FloatField extends _FieldType.FieldType {
  constructor(def = {}) {
    super({
      def: def,
      name: 'float'
    });
    const {
      min,
      max
    } = def;
    (0, _utils.expectedType)({
      max,
      min
    }, 'number', true);
    this.parse = this.applyParser({
      parse: input => {
        (0, _utils.expectedType)({
          value: input
        }, 'number');
        if (max !== undefined && input > max) {
          throw new Error(`${input} is more than the maximum ${max}.`);
        }
        if (min !== undefined && input < min) {
          throw new Error(`${input} is less than the minimum ${min}.`);
        }
        return input;
      },
      preParse(input) {
        if (typeof input === 'string' && input !== '') {
          const asNumber = +input;
          if (!isNaN(asNumber)) return asNumber;
        }
        return input;
      }
    });
  }
  static create = (def = {}) => {
    return new FloatField(def);
  };
  toString = () => `${this.typeName}(${this.def || ''})`;
}
exports.FloatField = FloatField;
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