validator.js-asserts/src/asserts/json-assert.js

A set of extra asserts for validator.js.

'use strict';

/**
 * Module dependencies.
 */

const { Violation } = require('validator.js');

/**
 * Export `JsonAssert`.
 */

module.exports = function jsonAssert() {
  /**
   * Class name.
   */

  this.__class__ = 'JSON';

  /**
   * Validation algorithm.
   */

  this.validate = value => {
    try {
      JSON.parse(value);
    } catch (e) {
      throw new Violation(this, value);
    }

    return true;
  };

  return this;
};