@JsonAlias() example

JsonAliasExample.ts

import { JsonProperty, JsonClassType, JsonAlias, ObjectMapper } from 'jackson-js';

class Book {
  @JsonProperty() @JsonClassType({type: () => [String]})
  name: string;
  @JsonProperty() @JsonClassType({type: () => [String]})
  @JsonAlias({values: ['bkcat', 'mybkcat']})
  category: string;
}

class Writer {
  @JsonProperty() @JsonClassType({type: () => [Number]})
  id: number;
  @JsonProperty() @JsonClassType({type: () => [String]})
  name: string;
  @JsonProperty() @JsonClassType({type: () => [Array, [Book]]})
  books: Book[] = [];
}

const objectMapper = new ObjectMapper();
// eslint-disable-next-line max-len
const jsonData = '{"id":1,"name":"John","books":[{"name":"Learning TypeScript","bkcat":"Web Development"},{"name":"Learning Spring","mybkcat":"Java"}]}';
const writer = objectMapper.parse<Writer>(jsonData, {mainCreator: () => [Writer]});
console.log(writer);
/*
Writer {
  books: [
    Book { name: 'Learning TypeScript', category: 'Web Development' },
    Book { name: 'Learning Spring', category: 'Java' }
  ],
  id: 1,
  name: 'John'
}
*/