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Converting a comma separated string to separate arrays within an object JavaScript
Suppose, we have a string like this −
const str = 'dress/cotton/black, dress/leather/red, dress/fabric, houses/restaurant/small, houses/school/big, person/james';
We are required to write a JavaScript function that takes in one such string. The function should then prepare an object of arrays like this −
const output = {
dress = ["cotton","leather","black","red","fabric"];
houses = ["restaurant","school","small","big"];
person = ["james"];
};Example
const str = 'dress/cotton/black, dress/leather/red, dress/fabric, houses/restaurant/small, houses/school/big, person/james';
const buildObject = (str = '') => {
const result = {};
const strArr = str.split(', ');
strArr.forEach(el => {
const values = el.split('/');
const key = values.shift();
result[key] = (result[key] || []).concat(values);
});
return result;
};
console.log(buildObject(str));Output
And the output in the console will be −
{
dress: [ 'cotton', 'black', 'leather', 'red', 'fabric' ],
houses: [ 'restaurant', 'small', 'school', 'big' ],
person: [ 'james' ]
}
Updated on 23-Nov-2020 06:15:45
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