devkits-csv-json-converter

@devkits/csv-json-converter

Convert CSV to JSON and JSON to CSV. Handle quoted fields, custom delimiters. Zero-dependency data converter for developers.

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Installation

npm install @devkits/csv-json-converter

Usage

const { csvToJson, jsonToCsv, parseCSV } = require('@devkits/csv-json-converter');

// CSV to JSON with headers
const csv = `name,age,city
Alice,30,NYC
Bob,25,LA`;

const json = csvToJson(csv);
// [
//   { name: 'Alice', age: '30', city: 'NYC' },
//   { name: 'Bob', age: '25', city: 'LA' }
// ]

// JSON to CSV
const jsonData = [
  { name: 'Alice', age: '30', city: 'NYC' },
  { name: 'Bob', age: '25', city: 'LA' }
];

const csvOut = jsonToCsv(jsonData);
// 'name,age,city\nAlice,30,NYC\nBob,25,LA'

// Custom delimiter (tab-separated)
const tsv = `name\tage
Alice\t30`;
const jsonFromTsv = csvToJson(tsv, { delimiter: '\t' });

// Parse CSV without headers
const data = csvToJson('Alice,30\nBob,25', { header: false });
// [['Alice', '30'], ['Bob', '25']]

API

csvToJson(csv, options)

Converts CSV string to JSON array.

Options:

• delimiter: Field delimiter (default: ,)
• header: Use first row as headers (default: true)

jsonToCsv(json, options)

Converts JSON array to CSV string.

Options:

• delimiter: Field delimiter (default: ,)
• includeHeader: Include header row (default: true)

parseCSV(text, delimiter)

Parses CSV to array of rows (low-level function).

escapeCSV(value)

Escapes a value for CSV output.

arraysToCsv(rows, delimiter)

Converts array of arrays to CSV string.

Features

• Handles quoted fields (including commas inside quotes)
• Handles escaped quotes ("" inside quoted fields)
• Handles newlines inside quoted fields
• Custom delimiter support (comma, tab, semicolon, pipe)
• Header row support
• Null/undefined handling
• Zero dependencies

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License

MIT