Run results for: Object camelCase conversion test

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:137.0) Gecko/20100101 Firefox/137.0

Browser: Firefox 137

Operating system: Linux

Device Platform: Desktop

Date tested: yesterday

Test name	Executions per second
Objects	41977.4 Ops/sec
Objects with cache	80946.6 Ops/sec
Arrays	188971.6 Ops/sec
Objects alternative	37165.3 Ops/sec
Objects with cache alternative	81728.9 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

function snakeToCamel(str) {
    return str.replace(/(?!^)_(.)/g, (_, char) => char.toUpperCase());
}

function objKeysToCamelCase(obj) {
    return Object.fromEntries(Object.entries(obj).map(([key, value]) => [snakeToCamel(key), value]))
}

const cache = new Map();

function objKeysToCamelCaseCached(obj) {
  	const entries = Object.entries(obj).map(([key, value]) => {
      	const cachedKey = cache.get(key);
      
		if (cachedKey) {
        	newKey = cachedKey; 
        } else {
			newKey = snakeToCamel(key);
          	cache.set(key, newKey);
        }
      
		return [newKey, value];
    });

    return Object.fromEntries(entries);
}

const columns = ["firstName", "lastName", "jobTitle", "jobType", "sex", "ip"];

function createObjFromColumns(columns, values) {
    return Object.fromEntries(columns.map((column, index) => [column, values[index]]))
}

class User {
	constructor(firstName, lastName, jobTitle, jobType, sex, ip) {
        this.firstName = firstName;
        this.lastName = lastName;
        this.jobTitle = jobTitle;
        this.jobType = jobType;
        this.sex = sex;
        this.ip = ip;
    }
}

function createObjFromValues(values) {
	return new User(...values) 
}

const dataObj = [{
    "first_name": "Pedro",
    "last_name": "Heaney",
    "job_title": "Senior Intranet Officer",
    "job_type": "Specialist",
    "sex": "female",
    "ip": "183.166.63.121"
},
{
    "first_name": "Domingo",
    "last_name": "Morissette",
    "job_title": "Regional Solutions Liaison",
    "job_type": "Executive",
    "sex": "female",
    "ip": "74.138.114.186"
},
{
    "first_name": "Jammie",
    "last_name": "Steuber",
    "job_title": "Human Quality Coordinator",
    "job_type": "Agent",
    "sex": "female",
    "ip": "246.201.18.70"
},
{
    "first_name": "Beverly",
    "last_name": "Price",
    "job_title": "Legacy Creative Coordinator",
    "job_type": "Producer",
    "sex": "female",
    "ip": "118.47.49.154"
},
{
    "first_name": "Kathryn",
    "last_name": "Hayes-Sanford",
    "job_title": "Product Tactics Supervisor",
    "job_type": "Consultant",
    "sex": "male",
    "ip": "122.157.72.181"
},
{
    "first_name": "Caterina",
    "last_name": "Walter",
    "job_title": "Senior Integration Manager",
    "job_type": "Assistant",
    "sex": "female",
    "ip": "118.193.86.90"
},
{
    "first_name": "Beaulah",
    "last_name": "Hirthe",
    "job_title": "Corporate Group Agent",
    "job_type": "Supervisor",
    "sex": "female",
    "ip": "141.95.14.30"
},
{
    "first_name": "Jennyfer",
    "last_name": "Schamberger",
    "job_title": "Internal Research Supervisor",
    "job_type": "Designer",
    "sex": "female",
    "ip": "125.191.241.202"
},
{
    "first_name": "Dashawn",
    "last_name": "Lubowitz",
    "job_title": "Internal Directives Coordinator",
    "job_type": "Developer",
    "sex": "female",
    "ip": "13.4.43.29"
},
{
    "first_name": "Deven",
    "last_name": "Franecki",
    "job_title": "Investor Tactics Analyst",
    "job_type": "Analyst",
    "sex": "male",
    "ip": "80.135.70.239"
},
{
    "first_name": "Verna",
    "last_name": "Witting",
    "job_title": "National Identity Administrator",
    "job_type": "Strategist",
    "sex": "male",
    "ip": "89.31.73.192"
},
{
    "first_name": "Beverly",
    "last_name": "Zieme",
    "job_title": "Internal Assurance Liaison",
    "job_type": "Director",
    "sex": "female",
    "ip": "44.223.7.248"
},
{
    "first_name": "Lynn",
    "last_name": "Legros",
    "job_title": "Senior Research Architect",
    "job_type": "Liaison",
    "sex": "female",
    "ip": "210.59.97.220"
},
{
    "first_name": "Roscoe",
    "last_name": "Breitenberg",
    "job_title": "Lead Usability Facilitator",
    "job_type": "Technician",
    "sex": "male",
    "ip": "251.191.56.168"
},
{
    "first_name": "Janessa",
    "last_name": "Mann",
    "job_title": "Customer Response Executive",
    "job_type": "Administrator",
    "sex": "male",
    "ip": "249.114.54.13"
},
{
    "first_name": "Gabrielle",
    "last_name": "Gerlach",
    "job_title": "District Operations Producer",
    "job_type": "Liaison",
    "sex": "female",
    "ip": "135.222.197.158"
},
{
    "first_name": "Amina",
    "last_name": "Farrell",
    "job_title": "Direct Tactics Director",
    "job_type": "Agent",
    "sex": "male",
    "ip": "25.249.119.95"
},
{
    "first_name": "Kelly",
    "last_name": "Langosh",
    "job_title": "Product Factors Consultant",
    "job_type": "Director",
    "sex": "female",
    "ip": "248.137.14.38"
},
{
    "first_name": "Darrin",
    "last_name": "Feeney",
    "job_title": "Central Intranet Coordinator",
    "job_type": "Producer",
    "sex": "female",
    "ip": "122.29.87.2"
},
{
    "first_name": "Durward",
    "last_name": "Schowalter",
    "job_title": "Human Accounts Facilitator",
    "job_type": "Supervisor",
    "sex": "male",
    "ip": "24.240.169.7"
},
{
    "first_name": "Junior",
    "last_name": "Rice",
    "job_title": "Direct Factors Administrator",
    "job_type": "Agent",
    "sex": "female",
    "ip": "228.55.135.81"
},
{
    "first_name": "Triston",
    "last_name": "Koepp",
    "job_title": "Investor Intranet Associate",
    "job_type": "Architect",
    "sex": "female",
    "ip": "130.34.36.173"
},
{
    "first_name": "Hilario",
    "last_name": "Jacobi",
    "job_title": "District Response Analyst",
    "job_type": "Assistant",
    "sex": "female",
    "ip": "222.209.166.146"
},
{
    "first_name": "Aiden",
    "last_name": "Rowe",
    "job_title": "Dynamic Web Specialist",
    "job_type": "Designer",
    "sex": "male",
    "ip": "130.117.131.39"
},
{
    "first_name": "Titus",
    "last_name": "Vandervort",
    "job_title": "International Interactions Liaison",
    "job_type": "Facilitator",
    "sex": "female",
    "ip": "142.241.239.23"
},
{
    "first_name": "Kole",
    "last_name": "Douglas",
    "job_title": "Corporate Functionality Officer",
    "job_type": "Assistant",
    "sex": "male",
    "ip": "0.251.249.142"
},
{
    "first_name": "Oral",
    "last_name": "Durgan",
    "job_title": "Legacy Factors Associate",
    "job_type": "Technician",
    "sex": "male",
    "ip": "95.9.35.12"
},
{
    "first_name": "Marilou",
    "last_name": "Parisian",
    "job_title": "Principal Configuration Producer",
    "job_type": "Specialist",
    "sex": "male",
    "ip": "103.48.32.68"
},
{
    "first_name": "Marcella",
    "last_name": "Reynolds",
    "job_title": "Legacy Optimization Coordinator",
    "job_type": "Analyst",
    "sex": "male",
    "ip": "211.224.113.10"
},
{
    "first_name": "Kayla",
    "last_name": "Wehner",
    "job_title": "Principal Intranet Supervisor",
    "job_type": "Technician",
    "sex": "male",
    "ip": "103.106.36.197"
},
{
    "first_name": "Albina",
    "last_name": "Lakin-Mohr",
    "job_title": "National Branding Officer",
    "job_type": "Orchestrator",
    "sex": "male",
    "ip": "118.192.12.224"
},
{
    "first_name": "Otis",
    "last_name": "Ratke",
    "job_title": "Internal Configuration Engineer",
    "job_type": "Designer",
    "sex": "female",
    "ip": "171.94.245.95"
},
{
    "first_name": "Rebecca",
    "last_name": "Kerluke",
    "job_title": "Principal Configuration Officer",
    "job_type": "Officer",
    "sex": "male",
    "ip": "219.3.153.26"
},
{
    "first_name": "Gaston",
    "last_name": "Schmitt",
    "job_title": "Dynamic Solutions Manager",
    "job_type": "Consultant",
    "sex": "male",
    "ip": "242.26.243.223"
},
{
    "first_name": "Keely",
    "last_name": "Rippin",
    "job_title": "Customer Markets Associate",
    "job_type": "Officer",
    "sex": "female",
    "ip": "139.100.249.29"
},
{
    "first_name": "Jabari",
    "last_name": "Roob",
    "job_title": "Chief Tactics Liaison",
    "job_type": "Orchestrator",
    "sex": "female",
    "ip": "66.236.109.152"
},
{
    "first_name": "Esta",
    "last_name": "Krajcik",
    "job_title": "Regional Implementation Consultant",
    "job_type": "Designer",
    "sex": "male",
    "ip": "149.201.144.125"
},
{
    "first_name": "Kaci",
    "last_name": "Jenkins",
    "job_title": "Direct Configuration Engineer",
    "job_type": "Director",
    "sex": "female",
    "ip": "63.4.3.154"
},
{
    "first_name": "Jerrell",
    "last_name": "Corwin",
    "job_title": "Direct Program Officer",
    "job_type": "Producer",
    "sex": "male",
    "ip": "227.222.114.140"
},
{
    "first_name": "Carey",
    "last_name": "Wolf",
    "job_title": "National Metrics Associate",
    "job_type": "Manager",
    "sex": "male",
    "ip": "64.141.1.229"
},
{
    "first_name": "Emelie",
    "last_name": "Price",
    "job_title": "Dynamic Optimization Orchestrator",
    "job_type": "Supervisor",
    "sex": "female",
    "ip": "137.54.159.130"
},
{
    "first_name": "Demetrius",
    "last_name": "Prohaska",
    "job_title": "Investor Usability Representative",
    "job_type": "Manager",
    "sex": "female",
    "ip": "185.24.161.238"
},
{
    "first_name": "Henderson",
    "last_name": "Koch-Paucek",
    "job_title": "Customer Communications Architect",
    "job_type": "Technician",
    "sex": "female",
    "ip": "246.28.199.148"
},
{
    "first_name": "Aliza",
    "last_name": "Donnelly",
    "job_title": "Legacy Group Developer",
    "job_type": "Facilitator",
    "sex": "female",
    "ip": "227.160.180.161"
},
{
    "first_name": "Leo",
    "last_name": "Considine",
    "job_title": "Forward Usability Representative",
    "job_type": "Supervisor",
    "sex": "male",
    "ip": "15.63.26.124"
},
{
    "first_name": "Fernando",
    "last_name": "Shanahan",
    "job_title": "Global Communications Manager",
    "job_type": "Associate",
    "sex": "female",
    "ip": "14.251.175.43"
},
{
    "first_name": "Hortense",
    "last_name": "Muller",
    "job_title": "Customer Communications Strategist",
    "job_type": "Planner",
    "sex": "female",
    "ip": "228.208.250.208"
},
{
    "first_name": "Nicholaus",
    "last_name": "Little",
    "job_title": "Chief Division Director",
    "job_type": "Strategist",
    "sex": "male",
    "ip": "27.83.193.114"
},
{
    "first_name": "Litzy",
    "last_name": "Langosh",
    "job_title": "Forward Data Planner",
    "job_type": "Supervisor",
    "sex": "female",
    "ip": "194.171.200.146"
},
{
    "first_name": "Buddy",
    "last_name": "Quitzon",
    "job_title": "Customer Implementation Developer",
    "job_type": "Director",
    "sex": "male",
    "ip": "163.61.72.73"
}
];

const dataArray = dataObj.map(item => Object.values(item));

Tests:

Objects
dataObj.map(obj => objKeysToCamelCase(obj));
Objects with cache
dataObj.map(obj => objKeysToCamelCaseCached(obj));
Arrays
dataArray.map(arr => createObjFromColumns(columns, arr));
Classes from arrays
dataArray.map(arr => createObjFromValues(arr));

Run results for: Object camelCase conversion test

Objects

Objects with cache

Arrays

Classes from arrays