mockfetch.js

gistfile1.txt

import { comments } from "./mock-response.json";

const mockResponse = (response) => {
  return new Promise((resolve) => {
    setTimeout(() => {
      resolve({
        success: 200,
        json: () =>
          new Promise((resolve) => {
            return resolve(response);
          }),
      });
    }, 2000);
  });
};

export const fetch = (url, { body } = {}) => {
  if (url === "/comments/verify") {
    // Simulate a failing fetch
    if (Math.random() > 0.5) {
      return Promise.reject("No connection.");
    }

    if (!body?.postId) {
      return Promise.reject("Missing postId");
    }

    if (typeof body?.isVerified === "undefined") {
      return Promise.reject("Missing isVerified");
    }

    const { postId, isVerified } = body;

    const comment = comments.find((comment) => comment.postId === postId);
    if (!comment) {
      return Promise.reject("No comment found with that postId.");
    }
    comment.isVerified = isVerified;

    return mockResponse({ comment });
  } else if (url === "/comments") {
    return mockResponse({ comments });
  }
};