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datakit

Simple toolkit for reading and writing data CSV and JSON files in JavaScript and TypeScript under Node.js.

Click here for API docs.

Click here to support my work

Install

Install using npm:

npm install --save datakit

Read and write CSV files (JavaScript)

Ready to see some code?

Here's an example of transforming a CSV file using JavaScript:

const { readCsv, writeCsv } = require("datakit");

function transform(record) {
    // Your function to transform a data record.
}

async function main() {
    const data = await readCsv("./some/file.csv");
    const transformed = data.map(transform);
    await writeCsv("./an/output/file.csv", transformed);
}

main()
    .then(() => console.log("Done"))
    .catch(err => {
        console.error("Something went wrong.");
        console.error(err && err.stack || err);
    });

Read and write JSON files (TypeScript)

Here's a similar code example using TypeScript.

This time we are reading and writing JSON files:

import { readJson, writeJson } from "datakit";

function transform(record: InputT): OutputT {
    // Your function to transform a data record.
}

async function main(): Promise<void> {
    const data = await readJson("./some/file.json");
    const transformed = data.map(transform);
    await writeJson("./an/output/file.json", transformed);
}

main()
    .then(() => console.log("Done"))
    .catch(err => {
        console.error("Something went wrong.");
        console.error(err && err.stack || err);
    });

Need to do more?

Consider using Data-Forge for data transformation, analysis and visualization in JavaScript and TypeScript.

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Support the developer

Click here to support the developer.

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Simple toolkit for reading and writing data CSV and JSON files in JavaScript and TypeScript under Node.js.

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