Question

2

How to convert snake_case to camelCase?

rated 0 times [ 8] [ 6] / answers: 1 / hits: 56826 / 8 Years ago, sun, november 20, 2016, 12:00:00

I have something like

data = {

   'id':'123',

   'employee_name': 'John',

   'employee_type': 'new'  

}



var newObj = _.mapValues(data, function (value, key) {

     var t = _.camelCase(key);

     console.log(t) -> shows employeeName and employeeType



     return _.camelCase(key);

});

I was expecting my newObj will become

data = {

   'id':'123',

   'employeeName': 'John',

   'employeeType': 'new'  

}

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daquanmilesw

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answered 8 Years ago anabeldaliad · Accepted Answer

Use _.mapKeys() instead of _.mapValues():

var data = {

   'id': '123',

   'employee_name': 'John',

   'employee_type': 'new'  

};



var newObj = _.mapKeys(data, (value, key) => _.camelCase(key));



console.log('newObj: ', newObj);

<script src=https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.2/lodash.min.js></script>

If you need to ignore the redundant value param, you can use _.rearg() on _.camelCase() to generate a function that takes the 2nd param (the key) instead of the 1st param (the value).

var data = {

   'id': '123',

   'employee_name': 'John',

   'employee_type': 'new'  

};



var newObj = _.mapKeys(data, _.rearg(_.camelCase, 1));



console.log('newObj: ', newObj);

<script src=https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.2/lodash.min.js></script>