Is there a way to change the key-value pair format into an array? I have received data in the following format and need to convert it into an array within a .TS file.
countryNew: {
IN: 159201
BD: 82500
PK: 14237
UA: 486
RU: 9825
}
This needs to be transformed to...
countryNew: [
{countryCode: 'IN' , value : 159201},
{countryCode: 'BD' , value : 82500},
{countryCode: 'PK' , value : 14237},
{countryCode: 'UA' , value : 486},
{countryCode: 'RU' , value : 9825},
]
Converting objects to arrays is made simple by using the Object.keys() and Array.prototype.map() methods
const countries = {
US: 300000,
CA: 100000,
MX: 50000,
BR: 75000,
};
const convertedArray = Object.keys(countries)
.map(key => ({ country: key, population: countries[key] }));
console.log(convertedArray);To use Object.keys and Array.map efficiently, utilize the following structure:
const cities = Object.keys(cityData).map((city) => {
return {cityCode: city, population: cityData[city]}
})
Consider utilizing the Object.entries method:
const countryInfo = {
US: 3256,
CA: 985,
MX: 574,
BR: 1028,
AR: 437,
};
const output = Object.entries(countryInfo).map(item => ({countryCode: item[0] , population : item[1]}));
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