sdmpr/src/examples/example3.ts

Simple Data Mapper

// This example demonstrates the collect method
import { SimpleDataMapper } from "../SimpleDataMapper"

const log = (msg: string, obj: any) => {
  console.log(msg, JSON.stringify(obj, null, 2))
}
const data1 = {
  first_name: "Pixie", last_name: "Dorry", age: 3, gender: "F",
  addresses: [
    {
      street: "123 Str",
      city_name: "San Diego",
      state_name: "CA",
      postal_code: "92120"
    }
  ]
}
const mapper1 = SimpleDataMapper.create()
  .collect(["first_name", "last_name"], "fullName1")
  .collect(["first_name", "last_name"], (data: any[]) => {
    // You have full control here!
    return {
      fullName2: `${data[0]} ${data[1] && data[1].toUpperCase()}`,
      extra: {
        info: "Just shows that you can add anything if you like!",
        now: new Date()
      }
    }
  })

const transformedData1 = mapper1.transform(data1)

log("Data1->", data1)
log("TransformedData1->", transformedData1)

/*
Sample Output:

TransformedData1-> {
  "fullName1": "Pixie Dorry",
  "fullName2": "Pixie DORRY",
  "extra": {
    "info": "Just shows that you can add anything if you like!",
    "now": "2019-08-26T06:35:12.397Z"
  }
}
*/