Package Exports

json-stream-merger
json-stream-merger/src/index.js

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Readme

JSON Stream Merger

A Node.js package for merging large JSON files using streams, designed to handle files that are too large to fit in memory.

Features

Stream-based processing for memory-efficient handling of large JSON files
Supports merging multiple JSON files into a single JSON array
No memory limitations as it processes files in chunks
Maintains JSON formatting in the output file

Installation

npm install json-stream-merger

Usage

const { mergeJsonFiles } = require('json-stream-merger');

// Example usage
async function example() {
  try {
    await mergeJsonFiles(
      ['file1.json', 'file2.json', 'file3.json'],
      'merged-output.json'
    );
    console.log('Files merged successfully!');
  } catch (error) {
    console.error('Error merging files:', error);
  }
}

API

`mergeJsonFiles(inputFiles, outputFile)`

Merges multiple JSON files into a single JSON array.

Parameters

inputFiles (string[]): Array of input file paths to merge
outputFile (string): Path where the merged JSON will be written

Returns

Promise: Resolves when all files are merged

Throws

Error: If input files array is empty or invalid

License

MIT