Run results for: Object to Arrayss

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:75.0) Gecko/20100101 Firefox/75.0

Browser: Firefox 75

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Current Method	109788.9 Ops/sec
My Method (removed empty check)	402850.2 Ops/sec
Yashish Method	359501.7 Ops/sec

Script Preparation code:

function obj2Array2(obj, prefix) {
    var arr = [];

    _.forIn(obj, function (value, key) {
      if (_.isObject(value) && !_.isEmpty(value)) {
        arr = _.concat(arr, obj2Array2(value, key));
      }
      else {
        arr.push(key);
        try {
          arr.push(JSON.stringify(value));
        }
        catch (e) {
          arr.push(value);
        }
      }

    });


    if (_.isString(prefix) && !_.isEmpty(prefix)) {
      return _.map(arr, function (arg, index) {
        if (index % 2 === 0) { return `${prefix}.${arg}`; }
        return arg;
      });
    }

    return arr;
  }

function obj2Array (object, prefix) {
    var arr = [];
	
  	Object.keys(object).forEach(function (key) {
		const value = object[key];
		
		if (typeof value === 'object') {
            let prefixedKey = (prefix && `${prefix}.${key}`) || key,
                
                returnedArray = obj2Array(value, prefixedKey);

            arr = arr.concat(returnedArray);

            return;
        }

        arr.push((prefix && `${prefix}.${key}`) || key);
        arr.push(JSON.stringify(value));

	});

    return arr;
}

function obj2Array3(obj, prefix, arr = []) {
    if (!obj) { return arr; }


    const usePrefix = prefix && typeof prefix === 'string';


    usePrefix && (prefix += '.');


    Object.keys(obj).forEach(function (key) {
      const value = obj[key];

      usePrefix && (key = prefix + key);

      if (typeof value === 'object') {
        obj2Array3(value, key, arr);
      }

      else {
        arr.push(key, JSON.stringify(value));
      }
    });


    return arr;

  }

    var objToTest = {
      user: {
        id: 123,
        data: {
            username: 'marvin',
            email: 'marvin@heartofgold.ship'
        },
        tags: ['robot', 'depressed', 'brain the size of a planet']
      }
    }

Tests:

Current Method
obj2Array2(objToTest);
My Method (removed empty check)
obj2Array(objToTest);
Yashish Method
obj2Array3(objToTest);

Run results for: Object to Arrayss

Converts object to array.

Current Method

My Method (removed empty check)

Yashish Method