Sort JSON by key

sortjson

#!/usr/bin/env node

'use strict';

// Read stdin JSON, sort keys and pretty format to stdout

var stdin = process.stdin,
  stdout = process.stdout,
  chunks = [];

stdin.setEncoding('utf8');
stdin.on('data', chunks.push.bind(chunks));
stdin.on('end', function () {
  var data, json, result;
  result = {};
  data = chunks.join();
  json = JSON.parse(data);
  if (typeof json === 'object') {
    result = {};
    Object.keys(json).sort().forEach(function (key) {
      result[key] = json[key];
    });
  } else {
    result = json;
  }
  result = JSON.stringify(result, null, 2);
  stdout.write(result);
  stdout.write('\n');
});