JSFiddle - React, Tailwind, and code Playground

by rootd

JavaScript

fetch('https://nominatim.openstreetmap.org/search.php?q=Краснодарский край&polygon_geojson=1&format=json')
  .then((response) => {
    return response.json();
  })
  .then((data) => {    
    const result = data[0].geojson.coordinates[0].map(item => {
             return {
               lat: item[1],
               lng: item[0]
             };
           });
          
           console.log(result);
  });