Using JavaScript and the PapaParse library, you can easily convert CSV data into an array

Question

Using JavaScript and the PapaParse library, you can easily convert CSV data into an array

My current task involves using Papaparse to convert a csv file into a json object.

The API requires the data to be structured like this:

"data": [
        {
            "id": 1,
            "nombre": "AGUASBLANCAS-AGB",
            "descripcion": "-",
            "it_unidad_generadora": 0
        },
        {
            "id": 425,
            "nombre": "AGUASBLANCAS-AGBQ",
            "descripcion": "-",
            "it_unidad_generadora": 403
        }
    ]

However, after using Papaparse, the csv gets converted into an array of arrays representing each row like this:

"data":  [
    0: ["ID", "NOMBRE", "DESCRIPCIÓN", "IT UNIDAD GENERADORA"]
    1: ["1", "AGUASBLANCAS-AGB", "-", "0"]
    2: ["425", "AGUASBLANCAS-AGBQ", "-", "403"]
    ]

I am looking for a way to transform this into a JSON array of objects using Papaparse, rather than an array of arrays representing each row. Can anyone provide guidance on achieving this?

javascript json papaparse

Answer 1

Answer №1

For more information, check out the documentation at:

To convert the result into an array of objects, all you need to do is set header: true in the options.

const parsedData = Papa.parse(data, { header: true });

Answer 2

For more information, check out the documentation at:

To convert the result into an array of objects, all you need to do is set header: true in the options.

const parsedData = Papa.parse(data, { header: true });

Answer 3

Answer №2

Try out a different library instead of Papaparse, such as https://www.npmjs.com/package/csvtojson

This alternative library has garnered impressive download numbers and might be just what you need for handling your data.

Answer 4

Try out a different library instead of Papaparse, such as https://www.npmjs.com/package/csvtojson

This alternative library has garnered impressive download numbers and might be just what you need for handling your data.

Answer 5

Answer №3

Here is how I tackled the problem:

I employed Papa.parse(event.target.files[0], {complete: async results => {
    let keys = results.data[0];
    // My goal was to eliminate special characters, spaces, and more
    keys = results.data[0].map(v => v.toLowerCase().replace(/ /g,"_").normalize('NFD').replace(/[\u0300-\u036f]/g,""));

    let values = results.data.slice(1);
    let objects = values.map(array => {
      let object = {};
      keys.forEach((key, i) => object[key] = array[i]);
      return object;
    });
    // I then proceeded to call my API with the data successfully
    await uploadCSV(type, objects);
  }
});

Although it wasn't related to Papaparse configuration, I used JavaScript to generate objects with specific keys extracted from the first row of the array.

Answer 6

Here is how I tackled the problem:

I employed Papa.parse(event.target.files[0], {complete: async results => {
    let keys = results.data[0];
    // My goal was to eliminate special characters, spaces, and more
    keys = results.data[0].map(v => v.toLowerCase().replace(/ /g,"_").normalize('NFD').replace(/[\u0300-\u036f]/g,""));

    let values = results.data.slice(1);
    let objects = values.map(array => {
      let object = {};
      keys.forEach((key, i) => object[key] = array[i]);
      return object;
    });
    // I then proceeded to call my API with the data successfully
    await uploadCSV(type, objects);
  }
});

Although it wasn't related to Papaparse configuration, I used JavaScript to generate objects with specific keys extracted from the first row of the array.

Answer 7

Answer №4

Although I don't frequently utilize paparse, the following document may be beneficial: https://github.com/PolymerVis/papa-parse/blob/master/README.md

Answer 8

Although I don't frequently utilize paparse, the following document may be beneficial: https://github.com/PolymerVis/papa-parse/blob/master/README.md

Using JavaScript and the PapaParse library, you can easily convert CSV data into an array

Answer №1

Answer №2

Answer №3

Answer №4

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