@jsonfilter() example

JsonFilterExample.ts

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

@JsonFilter({value: 'studentFilter'})
class Student {
  @JsonProperty({value: 'stdName'}) @JsonClassType({type: () => [String]})
  name: string;
  @JsonProperty() @JsonClassType({type: () => [Number]})
  age: number;
  @JsonProperty() @JsonClassType({type: () => [String]})
  college: string;
  @JsonProperty() @JsonClassType({type: () => [String]})
  city: string;

  constructor(name: string, age: number, college: string, city: string) {
    this.name = name;
    this.age = age;
    this.college = college;
    this.city = city;
  }
}

const student = new Student('Mohit', 30, 'ABCD', 'Varanasi');
const objectMapper = new ObjectMapper();
const jsonData = objectMapper.stringify<Student>(student, {
  filters: {
    studentFilter: {
      type: JsonFilterType.SERIALIZE_ALL_EXCEPT,
      values: ['stdName', 'city']
    }
  }
});
console.log(jsonData);
// {"age":30,"college":"ABCD"}