@react-native-kakao/core/lib/module/util/kFetch.js

React Native Kakao Core SDK

import returnFetch from 'return-fetch';
import { kCreateWebError } from './kCreateWebError';

// Use as a replacer of `RequestInit`

// Use as a replacer of `Response`

// this resembles the default behavior of axios json parser
// https://github.com/axios/axios/blob/21a5ad34c4a5956d81d338059ac0dd34a19ed094/lib/defaults/index.js#L25
const parseJsonSafely = text => {
  try {
    return JSON.parse(text);
  } catch (e) {
    if (e.name !== 'SyntaxError') {
      throw e;
    }
    return text.trim();
  }
};
function jsonToFormUrlEncoded(json) {
  return Object.keys(json).map(key => key + '=' + json[key]).join('&');
}

// Write your own high order function to serialize request body and deserialize response body.
const returnFetchJson = (args, formUrlEncoded = false) => {
  const fetch = returnFetch(args);
  return async (url, init) => {
    var _init$method;
    const response = await fetch(url, {
      ...init,
      body: (init === null || init === void 0 ? void 0 : init.body) && (!formUrlEncoded ? JSON.stringify(init.body) : jsonToFormUrlEncoded(init.body)),
      headers: {
        ...((init === null || init === void 0 || (_init$method = init.method) === null || _init$method === void 0 ? void 0 : _init$method.toLowerCase()) === 'post' ? {
          'Content-type': formUrlEncoded ? 'application/x-www-form-urlencoded;charset=utf-8' : 'application/json;charset=utf-8'
        } : {}),
        ...(init === null || init === void 0 ? void 0 : init.headers)
      }
    });
    if (response.status === 401) {
      throw kCreateWebError({
        code: -401 + '',
        isAuthFailed: true,
        msg: 'this access token does not exist'
      });
    }
    const body = parseJsonSafely(await response.text());
    return {
      headers: response.headers,
      ok: response.ok,
      redirected: response.redirected,
      status: response.status,
      statusText: response.statusText,
      type: response.type,
      url: response.url,
      body
    };
  };
};
export const kFetch = returnFetchJson({}, false);
export const kFetchFormUrlEncoded = returnFetchJson({}, true);
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