normalize.js

/* 
   query {
    characters {
      info {
        count
      }
      results {
        id
        name
      }
    }
    character(id: "1") {
      name
      id
    }
  }
*/

function normalizeResult(result) {
  const rootQueryObject = {};
  const denestedObjects = [];

  for (key in result) {
    rootQueryObject[key] = `loql__${key}`;
    recurse({ data: result[key], parentKey: key });
  }

  function recurse({ data, parentKey }) {
    const result = {};
    for (key in data) {
      const value = data[key];
      if (Array.isArray(value)) {
        let childKey = parentKey + '_' + key;
        result[key] = value.map((subArrayVal) => {
          if (typeof subArrayVal === 'object' && subArrayVal !== null) {
            const uniqueKey = childKey + '_' + subArrayVal.id;
            return recurse({ data: subArrayVal, parentKey: uniqueKey });
          }
          return subArrayVal;
        });
      } else if (typeof value === 'object' && value !== null) {
        let childKey = parentKey + '_' + key;
        result[key] = recurse({ data: value, parentKey: childKey });
      } else {
        result[key] = value;
      }
    }

    denestedObjects.push({ [parentKey]: result });
    return 'loql__' + parentKey;
  }

  return { rootQueryObject, denestedObjects };
}

const data = {
  data: {
    characters: {
      info: {
        count: 671,
      },
      results: [
        {
          id: '1',
          name: 'Rick Sanchez',
        },
        {
          id: '2',
          name: 'Morty Smith',
        },
        {
          id: '3',
          name: 'Summer Smith',
        },
        {
          id: '4',
          name: 'Beth Smith',
        },
        {
          id: '5',
          name: 'Jerry Smith',
        },
        {
          id: '6',
          name: 'Abadango Cluster Princess',
        },
        {
          id: '7',
          name: 'Abradolf Lincler',
        },
        {
          id: '8',
          name: 'Adjudicator Rick',
        },
        {
          id: '9',
          name: 'Agency Director',
        },
        {
          id: '10',
          name: 'Alan Rails',
        },
        {
          id: '11',
          name: 'Albert Einstein',
        },
        {
          id: '12',
          name: 'Alexander',
        },
        {
          id: '13',
          name: 'Alien Googah',
        },
        {
          id: '14',
          name: 'Alien Morty',
        },
        {
          id: '15',
          name: 'Alien Rick',
        },
        {
          id: '16',
          name: 'Amish Cyborg',
        },
        {
          id: '17',
          name: 'Annie',
        },
        {
          id: '18',
          name: 'Antenna Morty',
        },
        {
          id: '19',
          name: 'Antenna Rick',
        },
        {
          id: '20',
          name: 'Ants in my Eyes Johnson',
        },
      ],
    },
    character: {
      name: 'Rick Sanchez',
      id: '1',
    },
  },
};

const { rootQueryObject, denestedObjects } = normalizeResult(data.data);
console.log('ROOT QUERY: ', rootQueryObject);
denestedObjects.forEach((o) => console.log(o));