node-input-validator/src/rules/lt.js

validation library for nodejs, inspired by laravel.

const { pathIndex } = require('../lib/ObjectIndex');
const numeric = require('./numeric');

module.exports = async function lt(field, value, anotherField) {
  const anotherFieldValue = pathIndex(this.inputs, anotherField);

  if (!(await numeric(field, anotherFieldValue))) {
    return false;
  }

  if (Number(value) < Number(anotherFieldValue)) {
    return true;
  }

  return false;
};