dynatype 1.0.3

The package helps developers make the process easy by validating the response of type JSON. The person using this package does not need to worry about any exception in JSON Map Entries. He can define [...]

example/dynatype_example.dart

import 'dart:convert';

import 'package:dynatype/dynacheck.dart';
import 'package:dynatype/dynatype.dart';

//This is My json List which i will receive in response or request.
//You can try removing fields and text it.
final json = {
  "book": '{"name": "200","author":"Lin god"}',
  "language": "english",
  "language2": "english",
  "publish": 1988
};

void main() {
  //Here i am defining the fields i required.
  final List<DynaType> _requiredMain = [
    DynaType(key: "book", type: String),
    DynaType(key: "language", type: String),
    DynaType(key: "language2", type: String),
    DynaType(key: "publish", type: int),
  ];

  final List<DynaType> _requiredBook = [
    DynaType(key: "name", type: String),
    DynaType(key: "author", type: String),
  ];

  //this is the [instance.verifyFields()] function which returns the missing, null and wrong data type Keys.
  DynaCheck main = DynaCheck(data: json, presence: _requiredMain);

  if (main.verifyFields().isEmpty) {
    //Data always accepts Map you cannot pass an object inside the data as it a request.
    DynaCheck book = DynaCheck(
        data: jsonDecode(json["book"].toString()), presence: _requiredBook);
    if (book.verifyFields().isEmpty) {
      print("The response is correct");
    } else {
      print("Missing or incorrect fields ${book.verifyFields().notFound.dyna}");
    }
  }
}