case转换

[Huauauaa]

_{Sent from PPHub}

[Huauauaa]

function camel (data) {
  if (typeof data != 'object' || !data) return data  
  if (Array.isArray(data)) {
    return data.map(item => camel(item))
  }
  
  const newData = {}
  for (let key in data) {
    let newKey = key.replace(/_([a-z])/g, (p, m) => m.toUpperCase())
    newData[newKey] = camel(data[key])
  }
  return newData
}

[Huauauaa]

// case.js
import _ from 'lodash';

function camelCase(str) {
  return _.camelCase(str);
  // return str.replace(/_([a-z])/g, (p, m) => m.toUpperCase());
}

export function toCamel(data) {
  if (typeof data === 'string') {
    return camelCase(data);
  }
  if (typeof data !== 'object' || !data) {
    return data;
  }
  if (Array.isArray(data)) {
    return data.map((item) => toCamel(item));
  }

  return Object.keys(data).reduce((res, key) => {
    let value = data[key];
    if (typeof value === 'object') {
      value = toCamel(value);
    }
    res[camelCase(key)] = value;
    return res;
  }, {});
}

// case.test.js
import { toCamel } from '../case';

test('toCamel', () => {
  expect(toCamel(null)).toBe(null);
  expect(toCamel(undefined)).toBe(undefined);
  expect(toCamel(1)).toBe(1);
  expect(toCamel(0)).toBe(0);
  expect(toCamel('first_name')).toBe('firstName');
  expect(toCamel(true)).toBe(true);
  expect(toCamel(true)).toBe(true);
  expect(toCamel([])).toStrictEqual([]);
  expect(toCamel({})).toStrictEqual({});
  expect(toCamel({ firstName: null })).toStrictEqual({
    firstName: null,
  });
  expect(toCamel({ firstName: undefined })).toStrictEqual({
    firstName: undefined,
  });
  expect(toCamel({ firstName: 'Harvey' })).toStrictEqual({
    firstName: 'Harvey',
  });
  expect(toCamel({ first_name: 'Harvey' })).toStrictEqual({
    firstName: 'Harvey',
  });
  expect(toCamel({ First_Name: 'Harvey' })).toStrictEqual({
    firstName: 'Harvey',
  });
  expect(toCamel([{ first_name: 'Harvey' }])).toStrictEqual([
    {
      firstName: 'Harvey',
    },
  ]);
  expect(
    toCamel({ first_name: 'Harvey', favorite_thing: ['reading'] }),
  ).toStrictEqual({
    firstName: 'Harvey',
    favoriteThing: ['reading'],
  });
});